[pygnulib] autopep8 (fixing indentation, style, etc.)

1 files changed, 988 insertions, 959 deletions

diff --git a/pygnulib/GLEmiter.py b/pygnulib/GLEmiter.py
index 3895f4d514..6df6eca7b6 100644
--- a/pygnulib/GLEmiter.py
+++ b/pygnulib/GLEmiter.py
@@ -56,30 +56,30 @@ relpath = os.path.relpath
 # Define GLEmiter class
 #===============================================================================
 class GLEmiter(object):
-  '''This class is used to emit the contents of necessary files.'''
-  
-  def __init__(self, config):
-    '''GLEmiter.__init__(config) -> GLEmiter
-    
-    Create GLEmiter instance.'''
-    self.info = GLInfo()
-    if type(config) is not GLConfig:
-      raise(TypeError('config must be a GLConfig, not %s' % \
-        type(config).__name__))
-    self.config = config
-    
-  def __repr__(self):
-    '''x.__repr__() <==> repr(x)'''
-    result = '<pygnulib.GLEmiter %s>' % hex(id(self))
-    return(result)
-    
-  def copyright_notice(self):
-    '''GLEmiter.copyright_notice() -> string
-    
-    Emit a header for a generated file.'''
-    emit = string()
-    emit += "# %s" % self.info.copyright()
-    emit += """
+    '''This class is used to emit the contents of necessary files.'''
+
+    def __init__(self, config):
+        '''GLEmiter.__init__(config) -> GLEmiter
+
+        Create GLEmiter instance.'''
+        self.info = GLInfo()
+        if type(config) is not GLConfig:
+            raise(TypeError('config must be a GLConfig, not %s' %
+                            type(config).__name__))
+        self.config = config
+
+    def __repr__(self):
+        '''x.__repr__() <==> repr(x)'''
+        result = '<pygnulib.GLEmiter %s>' % hex(id(self))
+        return(result)
+
+    def copyright_notice(self):
+        '''GLEmiter.copyright_notice() -> string
+
+        Emit a header for a generated file.'''
+        emit = string()
+        emit += "# %s" % self.info.copyright()
+        emit += """
 #
 # This file is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
@@ -100,284 +100,288 @@ class GLEmiter(object):
 # the same distribution terms as the rest of that program.
 #
 # Generated by gnulib-tool.\n"""
-    if type(emit) is bytes:
-      emit = emit.decode(ENCS['default'])
-    return(constants.nlconvert(emit))
-    
-  def autoconfSnippet(self, module, fileassistant, toplevel,
-    disable_libtool, disable_gettext, replace_auxdir, indentation):
-    '''GLEmiter.autoconfSnippet(module, toplevel,
-      disable_libtool, disable_gettext, replace_auxdir,
-      indentation) -> string
-    
-    Emit the autoconf snippet of a module.
-    GLConfig: include_guard_prefix.
-    
-    module is a GLModule instance, which is processed.
-    fileassistant is a GLFileAssistant instance, which is used to get temporary
-      directories and sed transformer.
-    toplevel is a bool variable, False means a subordinate use of pygnulib.
-    disable_libtool is a bool variable; it tells whether to disable libtool
-      handling even if it has been specified through the GLConfig class.
-    disable_gettext is a bool variable; it tells whether to disable
-      AM_GNU_GETTEXT invocations.
-    replace_auxdir is a bool variable; it tells whether to replace
-      'build-aux' directory in AC_CONFIG_FILES.
-    indentation is a string which contain spaces to prepend on each line.'''
-    emit = string()
-    if type(module) is not GLModule:
-      raise(TypeError('module must be a GLModule, not %s' % \
-        type(module).__name__))
-    if type(fileassistant) is not GLFileAssistant:
-      raise(TypeError('fileassistant must be a GLFileAssistant, not %s' % \
-        type(fileassistant).__name__))
-    if type(toplevel) is not bool:
-      raise(TypeError('toplevel must be a bool, not %s' % \
-        type(toplevel).__name__))
-    if type(disable_libtool) is not bool:
-      raise(TypeError('disable_libtool must be a bool, not %s' % \
-        type(disable_libtool).__name__))
-    if type(disable_gettext) is not bool:
-      raise(TypeError('disable_gettext must be a bool, not %s' % \
-        type(disable_gettext).__name__))
-    if type(indentation) is bytes or type(indentation) is string:
-      if type(indentation) is bytes:
-        indentation = indentation.decode(ENCS['default'])
-    else: # if indentation has not bytes or string type
-      raise(TypeError('indentation must be a string, not %s' % \
-        type(indentation).__name__))
-    if not indentation.isspace():
-      raise(ValueError('indentation must contain only whitespaces'))
-    auxdir = self.config['auxdir']
-    libtool = self.config['libtool']
-    include_guard_prefix = self.config['include_guard_prefix']
-    if str(module) in ['gnumakefile', 'maintainer-makefile']:
-      # These modules are meant to be used only in the top-level directory.
-      flag = toplevel
-    else: # if not str(module) in ['gnumakefile', 'maintainer-makefile']
-      flag = True
-    if flag:
-      snippet = module.getAutoconfSnippet()
-      snippet = snippet.replace('${gl_include_guard_prefix}',
-        include_guard_prefix)
-      lines = [line for line in snippet.split('\n') if line.strip()]
-      snippet = '%s\n' % '\n'.join(lines)
-      transformer = fileassistant.transformers.get('aux', '')
-      pattern = compiler('(^.*?$)', re.S | re.M)
-      snippet = pattern.sub('%s\\1' % indentation, snippet)
-      if transformer:
-        args = ['sed', '-e', transformer]
-        path = fileassistant.tmpfilename('snippet')
-        with codecs.open(path, 'wb', 'UTF-8') as file:
-          file.write(snippet)
-        stdin = codecs.open(path, 'rb', 'UTF-8')
-        snippet = sp.check_output(args, stdin=stdin, shell=False)
-        snippet = snippet.decode("UTF-8")
-        os.remove(path)
-      if disable_libtool:
-        snippet = snippet.replace('$gl_cond_libtool', 'false')
-        snippet = snippet.replace('gl_libdeps', 'gltests_libdeps')
-        snippet = snippet.replace('gl_ltlibdeps', 'gltests_ltlibdeps')
-      if disable_gettext:
-        snippet = snippet.replace('AM_GNU_GETTEXT([external])', 'dnl you must \
+        if type(emit) is bytes:
+            emit = emit.decode(ENCS['default'])
+        return(constants.nlconvert(emit))
+
+    def autoconfSnippet(self, module, fileassistant, toplevel,
+                        disable_libtool, disable_gettext, replace_auxdir, indentation):
+        '''GLEmiter.autoconfSnippet(module, toplevel,
+          disable_libtool, disable_gettext, replace_auxdir,
+          indentation) -> string
+
+        Emit the autoconf snippet of a module.
+        GLConfig: include_guard_prefix.
+
+        module is a GLModule instance, which is processed.
+        fileassistant is a GLFileAssistant instance, which is used to get temporary
+          directories and sed transformer.
+        toplevel is a bool variable, False means a subordinate use of pygnulib.
+        disable_libtool is a bool variable; it tells whether to disable libtool
+          handling even if it has been specified through the GLConfig class.
+        disable_gettext is a bool variable; it tells whether to disable
+          AM_GNU_GETTEXT invocations.
+        replace_auxdir is a bool variable; it tells whether to replace
+          'build-aux' directory in AC_CONFIG_FILES.
+        indentation is a string which contain spaces to prepend on each line.'''
+        emit = string()
+        if type(module) is not GLModule:
+            raise(TypeError('module must be a GLModule, not %s' %
+                            type(module).__name__))
+        if type(fileassistant) is not GLFileAssistant:
+            raise(TypeError('fileassistant must be a GLFileAssistant, not %s' %
+                            type(fileassistant).__name__))
+        if type(toplevel) is not bool:
+            raise(TypeError('toplevel must be a bool, not %s' %
+                            type(toplevel).__name__))
+        if type(disable_libtool) is not bool:
+            raise(TypeError('disable_libtool must be a bool, not %s' %
+                            type(disable_libtool).__name__))
+        if type(disable_gettext) is not bool:
+            raise(TypeError('disable_gettext must be a bool, not %s' %
+                            type(disable_gettext).__name__))
+        if type(indentation) is bytes or type(indentation) is string:
+            if type(indentation) is bytes:
+                indentation = indentation.decode(ENCS['default'])
+        else:  # if indentation has not bytes or string type
+            raise(TypeError('indentation must be a string, not %s' %
+                            type(indentation).__name__))
+        if not indentation.isspace():
+            raise(ValueError('indentation must contain only whitespaces'))
+        auxdir = self.config['auxdir']
+        libtool = self.config['libtool']
+        include_guard_prefix = self.config['include_guard_prefix']
+        if str(module) in ['gnumakefile', 'maintainer-makefile']:
+            # These modules are meant to be used only in the top-level directory.
+            flag = toplevel
+        else:  # if not str(module) in ['gnumakefile', 'maintainer-makefile']
+            flag = True
+        if flag:
+            snippet = module.getAutoconfSnippet()
+            snippet = snippet.replace('${gl_include_guard_prefix}',
+                                      include_guard_prefix)
+            lines = [line for line in snippet.split('\n') if line.strip()]
+            snippet = '%s\n' % '\n'.join(lines)
+            transformer = fileassistant.transformers.get('aux', '')
+            pattern = compiler('(^.*?$)', re.S | re.M)
+            snippet = pattern.sub('%s\\1' % indentation, snippet)
+            if transformer:
+                args = ['sed', '-e', transformer]
+                path = fileassistant.tmpfilename('snippet')
+                with codecs.open(path, 'wb', 'UTF-8') as file:
+                    file.write(snippet)
+                stdin = codecs.open(path, 'rb', 'UTF-8')
+                snippet = sp.check_output(args, stdin=stdin, shell=False)
+                snippet = snippet.decode("UTF-8")
+                os.remove(path)
+            if disable_libtool:
+                snippet = snippet.replace('$gl_cond_libtool', 'false')
+                snippet = snippet.replace('gl_libdeps', 'gltests_libdeps')
+                snippet = snippet.replace('gl_ltlibdeps', 'gltests_ltlibdeps')
+            if disable_gettext:
+                snippet = snippet.replace('AM_GNU_GETTEXT([external])', 'dnl you must \
 add AM_GNU_GETTEXT([external]) or similar to configure.ac.')
-      emit += snippet
-      if str(module) == 'alloca' and libtool and not disable_libtool:
-        emit += 'changequote(,)dnl\n'
-        emit += "LTALLOCA=`echo \"$ALLOCA\" | sed -e 's/\\.[^.]* /.lo \
+            emit += snippet
+            if str(module) == 'alloca' and libtool and not disable_libtool:
+                emit += 'changequote(,)dnl\n'
+                emit += "LTALLOCA=`echo \"$ALLOCA\" | sed -e 's/\\.[^.]* /.lo \
 /g;s/\\.[^.]*$/.lo/'`\n"
-        emit += 'changequote([, ])dnl\n'
-        emit += 'AC_SUBST([LTALLOCA])'
-    if replace_auxdir:
-      regex = 'AC_CONFIG_FILES\\(\\[(.*?)\\:build-aux/(.*?)\\]\\)'
-      repl = 'AC_CONFIG_FILES([\\1:%s/\\2])' % auxdir
-      pattern = compiler(regex, re.S | re.M)
-      emit = pattern.sub(repl, emit)
-    lines = [line for line in emit.split('\n') if line.strip()]
-    emit = '%s\n' % '\n'.join(lines)
-    emit = constants.nlconvert(emit)
-    if type(emit) is bytes:
-      emit = emit.decode(ENCS['default'])
-    return(emit)
-    
-  def autoconfSnippets(self, modules, moduletable, fileassistant,
-    verifier, toplevel, disable_libtool, disable_gettext, replace_auxdir):
-    '''GLEmiter.autoconfSnippets(modules, fileassistant,
-      verifier, toplevel, disable_libtool, disable_gettext,
-      replace_auxdir) -> string
-    
-    Collect and emit the autoconf snippets of a set of modules.
-    GLConfig: conddeps.
-    
-    basemodules argument represents list of modules; every module in this list
-      must be a GLModule instance; this list of modules is used to sort all
-      modules after they were processed.
-    modules argument represents list of modules; every module in this list must
-      be a GLModule instance.
-    moduletable is a GLModuleTable instance, which contains necessary
-      information about dependencies of the modules.
-    fileassistant is a GLFileAssistant instance, which is used to get temporary
-      directories and sed transformers.
-    verifier is an integer, which can be 0, 1 or 2.
-      if verifier == 0, then process every module;
-      if verifier == 1, then process only non-tests modules;
-      if verifier == 2, then process only tests modules.
-    toplevel is a bool variable, False means a subordinate use of pygnulib.
-    disable_libtool is a bool variable; it tells whether to disable libtool
-      handling even if it has been specified through the GLConfig class.
-    disable_gettext is a bool variable; it tells whether to disable
-      AM_GNU_GETTEXT invocations.
-    replace_auxdir is a bool variable; it tells whether to replace
-      'build-aux' directory in AC_CONFIG_FILES.'''
-    emit = string()
-    for module in modules:
-      if type(module) is not GLModule:
-        raise(TypeError('each module must be a GLModule instance'))
-    if type(moduletable) is not GLModuleTable:
-      raise(TypeError('moduletable must be a GLFileAssistant, not %s' % \
-        type(moduletable).__name__))
-    if type(fileassistant) is not GLFileAssistant:
-      raise(TypeError('fileassistant must be a GLFileAssistant, not %s' % \
-        type(fileassistant).__name__))
-    if type(verifier) is not int:
-      raise(TypeError('verifier must be an int, not %s' % \
-        type(verifier).__name__))
-    if not (0 <= verifier <= 2):
-      raise(ValueError('verifier must be 0, 1 or 2, not %d' % verifier))
-    if type(toplevel) is not bool:
-      raise(TypeError('toplevel must be a bool, not %s' % \
-        type(toplevel).__name__))
-    if type(disable_libtool) is not bool:
-      raise(TypeError('disable_libtool must be a bool, not %s' % \
-        type(disable_libtool).__name__))
-    if type(disable_gettext) is not bool:
-      raise(TypeError('disable_gettext must be a bool, not %s' % \
-        type(disable_gettext).__name__))
-    if type(replace_auxdir) is not bool:
-      raise(TypeError('replace_auxdir must be a bool, not %s' % \
-        type(replace_auxdir).__name__))
-    auxdir = self.config['auxdir']
-    conddeps = self.config['conddeps']
-    macro_prefix = self.config['macro_prefix']
-    if not conddeps:
-      # Ignore the conditions, and enable all modules unconditionally.
-      for module in modules:
-        if verifier == 0:
-          solution = True
-        elif verifier == 1:
-          solution = module.isNonTests()
-        elif verifier == 2:
-          solution = module.isTests()
-        if solution:
-          emit += self.autoconfSnippet(module, fileassistant, toplevel,
-            disable_libtool, disable_gettext, replace_auxdir, '  ')
-    else: # if conddeps
-      # Emit the autoconf code for the unconditional modules.
-      for module in modules:
-        if verifier == 0:
-          solution = True
-        elif verifier == 1:
-          solution = module.isNonTests()
-        elif verifier == 2:
-          solution = module.isTests()
-        if solution:
-          if not moduletable.isConditional(module):
-            emit += self.autoconfSnippet(module, fileassistant, toplevel,
-              disable_libtool, disable_gettext, replace_auxdir, '  ')
-      # Initialize the shell variables indicating that the modules are enabled.
-      for module in modules:
-        if verifier == 0:
-          solution = True
-        elif verifier == 1:
-          solution = module.isNonTests()
-        elif verifier == 2:
-          solution = module.isTests()
-        if solution:
-          if moduletable.isConditional(module):
-            shellvar = module.getShellVar()
-            emit += '  %s=false\n' % module.getShellVar()
-      # Emit the autoconf code for the conditional modules, each in a separate
-      # function. This makes it possible to support cycles among conditional
-      # modules.
-      for module in modules:
-        if verifier == 0:
-          solution = True
-        elif verifier == 1:
-          solution = module.isNonTests()
-        elif verifier == 2:
-          solution = module.isTests()
-        if solution:
-          if moduletable.isConditional(module):
-            shellfunc = module.getShellFunc()
-            shellvar = module.getShellVar()
-            emit += '  %s ()\n' % shellfunc
-            emit += '  {\n'
-            emit += '    if ! $%s; then\n' % shellvar
-            emit += self.autoconfSnippet(module, fileassistant, toplevel,
-              disable_libtool, disable_gettext, replace_auxdir, '      ')
-            emit += '      %s=true\n' % shellvar
-            dependencies = module.getDependencies()
-            depmodules = [pair[0] for pair in dependencies]
-            # Intersect dependencies with the modules list.
-            depmodules = [dep for dep in depmodules if dep in modules]
-            for depmodule in depmodules:
-              if moduletable.isConditional(depmodule):
-                shellfunc = depmodule.getShellFunc()
-                condition = moduletable.getCondition(module, depmodule)
-                if condition != None:
-                  emit += '  if %s; then\n' % condition
-                  emit += '    %s\n' % shellfunc
-                  emit += '  fi\n'
-                else: # if condition == None
-                  emit += '  %s\n' % shellfunc
-              else: # if not moduletable.isConditional(depmodule)
-                # The autoconf code for $dep has already been emitted above and
-                # therefore is already executed when this code is run.
-                pass
-      # Define the Automake conditionals.
-      emit += '  m4_pattern_allow([^%s_GNULIB_ENABLED_])\n' % macro_prefix
-      for module in modules:
-        if verifier == 0:
-          solution = True
-        elif verifier == 1:
-          solution = module.isNonTests()
-        elif verifier == 2:
-          solution = module.isTests()
-        if solution:
-          condname = module.getConditionalName()
-          shellvar = module.getShellVar()
-          emit += '  AM_CONDITIONAL([%s], [$%s])\n' % (condname, shellvar)
-    lines = [line for line in emit.split('\n') if line.strip()]
-    emit = '%s\n' % '\n'.join(lines)
-    emit = constants.nlconvert(emit)
-    if type(emit) is bytes:
-      emit = emit.decode(ENCS['default'])
-    return(emit)
-    
-  def po_Makevars(self):
-    '''GLEmiter.po_Makevars() -> string
-    
-    Emit the contents of po/ makefile parameterization.
-    GLConfig: pobase, podomain.'''
-    emit = string()
-    pobase = self.config['pobase']
-    podomain = self.config['podomain']
-    top_subdir = string()
-    source = '%s/' % os.path.normpath(pobase)
-    if os.path.sep in source:
-      for directory in source.split(os.path.sep):
-        if directory != '':
-          top_subdir += '../'
-    top_subdir = os.path.normpath(top_subdir)
-    emit += "## DO NOT EDIT! GENERATED AUTOMATICALLY!\n"
-    emit += "%s\n" % self.copyright_notice()
-    emit += "# Usually the message domain is the same as the package name.\n"
-    emit += "# But here it has a '-gnulib' suffix.\n"
-    emit += "DOMAIN = %s-gnulib\n\n" % podomain
-    emit += "# These two variables depend on the location of this directory.\n"
-    emit += "subdir = %s\n" % pobase
-    emit += "top_subdir = %s\n" % top_subdir
-    emit += """
+                emit += 'changequote([, ])dnl\n'
+                emit += 'AC_SUBST([LTALLOCA])'
+        if replace_auxdir:
+            regex = 'AC_CONFIG_FILES\\(\\[(.*?)\\:build-aux/(.*?)\\]\\)'
+            repl = 'AC_CONFIG_FILES([\\1:%s/\\2])' % auxdir
+            pattern = compiler(regex, re.S | re.M)
+            emit = pattern.sub(repl, emit)
+        lines = [line for line in emit.split('\n') if line.strip()]
+        emit = '%s\n' % '\n'.join(lines)
+        emit = constants.nlconvert(emit)
+        if type(emit) is bytes:
+            emit = emit.decode(ENCS['default'])
+        return(emit)
+
+    def autoconfSnippets(self, modules, moduletable, fileassistant,
+                         verifier, toplevel, disable_libtool, disable_gettext, replace_auxdir):
+        '''GLEmiter.autoconfSnippets(modules, fileassistant,
+          verifier, toplevel, disable_libtool, disable_gettext,
+          replace_auxdir) -> string
+
+        Collect and emit the autoconf snippets of a set of modules.
+        GLConfig: conddeps.
+
+        basemodules argument represents list of modules; every module in this list
+          must be a GLModule instance; this list of modules is used to sort all
+          modules after they were processed.
+        modules argument represents list of modules; every module in this list must
+          be a GLModule instance.
+        moduletable is a GLModuleTable instance, which contains necessary
+          information about dependencies of the modules.
+        fileassistant is a GLFileAssistant instance, which is used to get temporary
+          directories and sed transformers.
+        verifier is an integer, which can be 0, 1 or 2.
+          if verifier == 0, then process every module;
+          if verifier == 1, then process only non-tests modules;
+          if verifier == 2, then process only tests modules.
+        toplevel is a bool variable, False means a subordinate use of pygnulib.
+        disable_libtool is a bool variable; it tells whether to disable libtool
+          handling even if it has been specified through the GLConfig class.
+        disable_gettext is a bool variable; it tells whether to disable
+          AM_GNU_GETTEXT invocations.
+        replace_auxdir is a bool variable; it tells whether to replace
+          'build-aux' directory in AC_CONFIG_FILES.'''
+        emit = string()
+        for module in modules:
+            if type(module) is not GLModule:
+                raise(TypeError('each module must be a GLModule instance'))
+        if type(moduletable) is not GLModuleTable:
+            raise(TypeError('moduletable must be a GLFileAssistant, not %s' %
+                            type(moduletable).__name__))
+        if type(fileassistant) is not GLFileAssistant:
+            raise(TypeError('fileassistant must be a GLFileAssistant, not %s' %
+                            type(fileassistant).__name__))
+        if type(verifier) is not int:
+            raise(TypeError('verifier must be an int, not %s' %
+                            type(verifier).__name__))
+        if not (0 <= verifier <= 2):
+            raise(ValueError('verifier must be 0, 1 or 2, not %d' % verifier))
+        if type(toplevel) is not bool:
+            raise(TypeError('toplevel must be a bool, not %s' %
+                            type(toplevel).__name__))
+        if type(disable_libtool) is not bool:
+            raise(TypeError('disable_libtool must be a bool, not %s' %
+                            type(disable_libtool).__name__))
+        if type(disable_gettext) is not bool:
+            raise(TypeError('disable_gettext must be a bool, not %s' %
+                            type(disable_gettext).__name__))
+        if type(replace_auxdir) is not bool:
+            raise(TypeError('replace_auxdir must be a bool, not %s' %
+                            type(replace_auxdir).__name__))
+        auxdir = self.config['auxdir']
+        conddeps = self.config['conddeps']
+        macro_prefix = self.config['macro_prefix']
+        if not conddeps:
+            # Ignore the conditions, and enable all modules unconditionally.
+            for module in modules:
+                if verifier == 0:
+                    solution = True
+                elif verifier == 1:
+                    solution = module.isNonTests()
+                elif verifier == 2:
+                    solution = module.isTests()
+                if solution:
+                    emit += self.autoconfSnippet(module, fileassistant, toplevel,
+                                                 disable_libtool, disable_gettext, replace_auxdir, '  ')
+        else:  # if conddeps
+            # Emit the autoconf code for the unconditional modules.
+            for module in modules:
+                if verifier == 0:
+                    solution = True
+                elif verifier == 1:
+                    solution = module.isNonTests()
+                elif verifier == 2:
+                    solution = module.isTests()
+                if solution:
+                    if not moduletable.isConditional(module):
+                        emit += self.autoconfSnippet(module, fileassistant, toplevel,
+                                                     disable_libtool, disable_gettext, replace_auxdir, '  ')
+            # Initialize the shell variables indicating that the modules are enabled.
+            for module in modules:
+                if verifier == 0:
+                    solution = True
+                elif verifier == 1:
+                    solution = module.isNonTests()
+                elif verifier == 2:
+                    solution = module.isTests()
+                if solution:
+                    if moduletable.isConditional(module):
+                        shellvar = module.getShellVar()
+                        emit += '  %s=false\n' % module.getShellVar()
+            # Emit the autoconf code for the conditional modules, each in a separate
+            # function. This makes it possible to support cycles among conditional
+            # modules.
+            for module in modules:
+                if verifier == 0:
+                    solution = True
+                elif verifier == 1:
+                    solution = module.isNonTests()
+                elif verifier == 2:
+                    solution = module.isTests()
+                if solution:
+                    if moduletable.isConditional(module):
+                        shellfunc = module.getShellFunc()
+                        shellvar = module.getShellVar()
+                        emit += '  %s ()\n' % shellfunc
+                        emit += '  {\n'
+                        emit += '    if ! $%s; then\n' % shellvar
+                        emit += self.autoconfSnippet(module, fileassistant, toplevel,
+                                                     disable_libtool, disable_gettext, replace_auxdir, '      ')
+                        emit += '      %s=true\n' % shellvar
+                        dependencies = module.getDependencies()
+                        depmodules = [pair[0] for pair in dependencies]
+                        # Intersect dependencies with the modules list.
+                        depmodules = [
+                            dep for dep in depmodules if dep in modules]
+                        for depmodule in depmodules:
+                            if moduletable.isConditional(depmodule):
+                                shellfunc = depmodule.getShellFunc()
+                                condition = moduletable.getCondition(
+                                    module, depmodule)
+                                if condition != None:
+                                    emit += '  if %s; then\n' % condition
+                                    emit += '    %s\n' % shellfunc
+                                    emit += '  fi\n'
+                                else:  # if condition == None
+                                    emit += '  %s\n' % shellfunc
+                            # if not moduletable.isConditional(depmodule)
+                            else:
+                                # The autoconf code for $dep has already been emitted above and
+                                # therefore is already executed when this code is run.
+                                pass
+            # Define the Automake conditionals.
+            emit += '  m4_pattern_allow([^%s_GNULIB_ENABLED_])\n' % macro_prefix
+            for module in modules:
+                if verifier == 0:
+                    solution = True
+                elif verifier == 1:
+                    solution = module.isNonTests()
+                elif verifier == 2:
+                    solution = module.isTests()
+                if solution:
+                    condname = module.getConditionalName()
+                    shellvar = module.getShellVar()
+                    emit += '  AM_CONDITIONAL([%s], [$%s])\n' % (
+                        condname, shellvar)
+        lines = [line for line in emit.split('\n') if line.strip()]
+        emit = '%s\n' % '\n'.join(lines)
+        emit = constants.nlconvert(emit)
+        if type(emit) is bytes:
+            emit = emit.decode(ENCS['default'])
+        return(emit)
+
+    def po_Makevars(self):
+        '''GLEmiter.po_Makevars() -> string
+
+        Emit the contents of po/ makefile parameterization.
+        GLConfig: pobase, podomain.'''
+        emit = string()
+        pobase = self.config['pobase']
+        podomain = self.config['podomain']
+        top_subdir = string()
+        source = '%s/' % os.path.normpath(pobase)
+        if os.path.sep in source:
+            for directory in source.split(os.path.sep):
+                if directory != '':
+                    top_subdir += '../'
+        top_subdir = os.path.normpath(top_subdir)
+        emit += "## DO NOT EDIT! GENERATED AUTOMATICALLY!\n"
+        emit += "%s\n" % self.copyright_notice()
+        emit += "# Usually the message domain is the same as the package name.\n"
+        emit += "# But here it has a '-gnulib' suffix.\n"
+        emit += "DOMAIN = %s-gnulib\n\n" % podomain
+        emit += "# These two variables depend on the location of this directory.\n"
+        emit += "subdir = %s\n" % pobase
+        emit += "top_subdir = %s\n" % top_subdir
+        emit += """
 # These options get passed to xgettext.
 XGETTEXT_OPTIONS = \\
   --keyword=_ --flag=_:1:pass-c-format \\
@@ -417,93 +421,93 @@ EXTRA_LOCALE_CATEGORIES =
 # package uses functions taking also a message context, like pgettext(), or
 # if in $(XGETTEXT_OPTIONS) you define keywords with a context argument.
 USE_MSGCTXT = no\n"""
-    if type(emit) is bytes:
-      emit = emit.decode(ENCS['default'])
-    return(constants.nlconvert(emit))
-    
-  def po_POTFILES_in(self, files):
-    '''GLEmiter.po_POTFILES_in(files) -> string
-    
-    Emit the file list to be passed to xgettext.
-    GLConfig: sourcebase.'''
-    emit = string()
-    sourcebase = self.config['sourcebase']
-    sourcebase = '%s%s' % (self.sourcebase, os.path.sep)
-    if type(sourcebase) is bytes:
-      sourcebase = sourcebase.decode(ENCS['default'])
-    files = [substart('lib/', sourcebase, file) for file in files]
-    files = [file for file in files if file.startswith(sourcebase)]
-    emit += "## DO NOT EDIT! GENERATED AUTOMATICALLY!\n"
-    emit += "%s\n" % self.copyright_notice()
-    emit += "# List of files which contain translatable strings.\n"
-    emit += '\n'.join(files)
-    emit += '\n'
-    if type(emit) is bytes:
-      emit = emit.decode(ENCS['default'])
-    return(constants.nlconvert(emit))
-    
-  def initmacro_start(self, macro_prefix_arg):
-    '''GLEmiter.initmacro_start(macro_prefix_arg) -> string
-    
-    Emit the first few statements of the gl_INIT macro.'''
-    emit = string()
-    if type(macro_prefix_arg) is bytes or type(macro_prefix_arg) is string:
-      if type(macro_prefix_arg) is bytes:
-        macro_prefix_arg = macro_prefix_arg.decode(ENCS['default'])
-    else: # if macro_prefix_arg has not bytes or string type
-      raise(TypeError('macro_prefix_arg must be a string, not %s' % \
-        type(macro_prefix_arg).__name__))
-    # Overriding AC_LIBOBJ and AC_REPLACE_FUNCS has the effect of storing
-    # platform-dependent object files in ${macro_prefix_arg}_LIBOBJS instead
-    # of LIBOBJS. The purpose is to allow several gnulib instantiations under
-    # a single configure.ac file. (AC_CONFIG_LIBOBJ_DIR does not allow this
-    # flexibility).
-    # Furthermore it avoids an automake error like this when a Makefile.am
-    # that uses pieces of gnulib also uses $(LIBOBJ):
-    #   automatically discovered file `error.c' should not be explicitly
-    #   mentioned.
-    emit += "  m4_pushdef([AC_LIBOBJ],"
-    emit += " m4_defn([%V1%_LIBOBJ]))\n"
-    emit += "  m4_pushdef([AC_REPLACE_FUNCS],"
-    emit += " m4_defn([%V1%_REPLACE_FUNCS]))\n"
-    # Overriding AC_LIBSOURCES has the same purpose of avoiding the automake
-    # error when a Makefile.am that uses pieces of gnulib also uses $(LIBOBJ):
-    #   automatically discovered file `error.c' should not be explicitly
-    #   mentioned
-    # We let automake know about the files to be distributed through the
-    # EXTRA_lib_SOURCES variable.
-    emit += "  m4_pushdef([AC_LIBSOURCES],"
-    emit += " m4_defn([%V1%_LIBSOURCES]))\n"
-    # Create data variables for checking the presence of files that are
-    # mentioned as AC_LIBSOURCES arguments. These are m4 variables, not shell
-    # variables, because we want the check to happen when the configure file is
-    # created, not when it is run. ${macro_prefix_arg}_LIBSOURCES_LIST is the
-    # list of files to check for. ${macro_prefix_arg}_LIBSOURCES_DIR is the
-    # subdirectory in which to expect them.
-    emit += "  m4_pushdef([%V1%_LIBSOURCES_LIST], [])\n"
-    emit += "  m4_pushdef([%V1%_LIBSOURCES_DIR], [])\n"
-    emit += "  gl_COMMON\n"
-    emit = emit.replace('%V1%', macro_prefix_arg)
-    if type(emit) is bytes:
-      emit = emit.decode(ENCS['default'])
-    return(constants.nlconvert(emit))
-    
-  def initmacro_end(self, macro_prefix_arg):
-    '''GLEmiter.initmacro_end(macro_prefix_arg) -> string
-    
-    Emit the last few statements of the gl_INIT macro.'''
-    emit = string()
-    if type(macro_prefix_arg) is bytes or type(macro_prefix_arg) is string:
-      if type(macro_prefix_arg) is bytes:
-        macro_prefix_arg = macro_prefix_arg.decode(ENCS['default'])
-    else: # if macro_prefix_arg has not bytes or string type
-      raise(TypeError('macro_prefix_arg must be a string, not %s' % \
-        type(macro_prefix_arg).__name__))
-    # Check the presence of files that are mentioned as AC_LIBSOURCES
-    # arguments. The check is performed only when autoconf is run from the
-    # directory where the configure.ac resides; if it is run from a different
-    # directory, the check is skipped.
-    emit += """\
+        if type(emit) is bytes:
+            emit = emit.decode(ENCS['default'])
+        return(constants.nlconvert(emit))
+
+    def po_POTFILES_in(self, files):
+        '''GLEmiter.po_POTFILES_in(files) -> string
+
+        Emit the file list to be passed to xgettext.
+        GLConfig: sourcebase.'''
+        emit = string()
+        sourcebase = self.config['sourcebase']
+        sourcebase = '%s%s' % (self.sourcebase, os.path.sep)
+        if type(sourcebase) is bytes:
+            sourcebase = sourcebase.decode(ENCS['default'])
+        files = [substart('lib/', sourcebase, file) for file in files]
+        files = [file for file in files if file.startswith(sourcebase)]
+        emit += "## DO NOT EDIT! GENERATED AUTOMATICALLY!\n"
+        emit += "%s\n" % self.copyright_notice()
+        emit += "# List of files which contain translatable strings.\n"
+        emit += '\n'.join(files)
+        emit += '\n'
+        if type(emit) is bytes:
+            emit = emit.decode(ENCS['default'])
+        return(constants.nlconvert(emit))
+
+    def initmacro_start(self, macro_prefix_arg):
+        '''GLEmiter.initmacro_start(macro_prefix_arg) -> string
+
+        Emit the first few statements of the gl_INIT macro.'''
+        emit = string()
+        if type(macro_prefix_arg) is bytes or type(macro_prefix_arg) is string:
+            if type(macro_prefix_arg) is bytes:
+                macro_prefix_arg = macro_prefix_arg.decode(ENCS['default'])
+        else:  # if macro_prefix_arg has not bytes or string type
+            raise(TypeError('macro_prefix_arg must be a string, not %s' %
+                            type(macro_prefix_arg).__name__))
+        # Overriding AC_LIBOBJ and AC_REPLACE_FUNCS has the effect of storing
+        # platform-dependent object files in ${macro_prefix_arg}_LIBOBJS instead
+        # of LIBOBJS. The purpose is to allow several gnulib instantiations under
+        # a single configure.ac file. (AC_CONFIG_LIBOBJ_DIR does not allow this
+        # flexibility).
+        # Furthermore it avoids an automake error like this when a Makefile.am
+        # that uses pieces of gnulib also uses $(LIBOBJ):
+        #   automatically discovered file `error.c' should not be explicitly
+        #   mentioned.
+        emit += "  m4_pushdef([AC_LIBOBJ],"
+        emit += " m4_defn([%V1%_LIBOBJ]))\n"
+        emit += "  m4_pushdef([AC_REPLACE_FUNCS],"
+        emit += " m4_defn([%V1%_REPLACE_FUNCS]))\n"
+        # Overriding AC_LIBSOURCES has the same purpose of avoiding the automake
+        # error when a Makefile.am that uses pieces of gnulib also uses $(LIBOBJ):
+        #   automatically discovered file `error.c' should not be explicitly
+        #   mentioned
+        # We let automake know about the files to be distributed through the
+        # EXTRA_lib_SOURCES variable.
+        emit += "  m4_pushdef([AC_LIBSOURCES],"
+        emit += " m4_defn([%V1%_LIBSOURCES]))\n"
+        # Create data variables for checking the presence of files that are
+        # mentioned as AC_LIBSOURCES arguments. These are m4 variables, not shell
+        # variables, because we want the check to happen when the configure file is
+        # created, not when it is run. ${macro_prefix_arg}_LIBSOURCES_LIST is the
+        # list of files to check for. ${macro_prefix_arg}_LIBSOURCES_DIR is the
+        # subdirectory in which to expect them.
+        emit += "  m4_pushdef([%V1%_LIBSOURCES_LIST], [])\n"
+        emit += "  m4_pushdef([%V1%_LIBSOURCES_DIR], [])\n"
+        emit += "  gl_COMMON\n"
+        emit = emit.replace('%V1%', macro_prefix_arg)
+        if type(emit) is bytes:
+            emit = emit.decode(ENCS['default'])
+        return(constants.nlconvert(emit))
+
+    def initmacro_end(self, macro_prefix_arg):
+        '''GLEmiter.initmacro_end(macro_prefix_arg) -> string
+
+        Emit the last few statements of the gl_INIT macro.'''
+        emit = string()
+        if type(macro_prefix_arg) is bytes or type(macro_prefix_arg) is string:
+            if type(macro_prefix_arg) is bytes:
+                macro_prefix_arg = macro_prefix_arg.decode(ENCS['default'])
+        else:  # if macro_prefix_arg has not bytes or string type
+            raise(TypeError('macro_prefix_arg must be a string, not %s' %
+                            type(macro_prefix_arg).__name__))
+        # Check the presence of files that are mentioned as AC_LIBSOURCES
+        # arguments. The check is performed only when autoconf is run from the
+        # directory where the configure.ac resides; if it is run from a different
+        # directory, the check is skipped.
+        emit += """\
   m4_ifval(%V1%_LIBSOURCES_LIST, [
     m4_syscmd([test ! -d ]m4_defn([%V1%_LIBSOURCES_DIR])[ ||
       for gl_file in ]%V1%_LIBSOURCES_LIST[ ; do
@@ -536,30 +540,30 @@ found])])
     AC_SUBST([%V1%_LIBOBJS], [$%V1%_libobjs])
     AC_SUBST([%V1%_LTLIBOBJS], [$%V1%_ltlibobjs])
   ])\n"""
-    emit = emit.replace('%V1%', macro_prefix_arg)
-    if type(emit) is bytes:
-      emit = emit.decode(ENCS['default'])
-    return(constants.nlconvert(emit))
-    
-  def initmacro_done(self, macro_prefix_arg, sourcebase_arg):
-    '''GLEmiter.initmacro_done(macro_prefix_arg, sourcebase_arg) -> string
-    
-    Emit a few statements after the gl_INIT macro.
-    GLConfig: sourcebase.'''
-    emit = string()
-    if type(macro_prefix_arg) is bytes or type(macro_prefix_arg) is string:
-      if type(macro_prefix_arg) is bytes:
-        macro_prefix_arg = macro_prefix_arg.decode(ENCS['default'])
-    else: # if macro_prefix_arg has not bytes or string type
-      raise(TypeError('macro_prefix_arg must be a string, not %s' % \
-        type(macro_prefix_arg).__name__))
-    if type(sourcebase_arg) is bytes or type(sourcebase_arg) is string:
-      if type(sourcebase_arg) is bytes:
-        sourcebase_arg = sourcebase_arg.decode(ENCS['default'])
-    else: # if sourcebase_arg has not bytes or string type
-      raise(TypeError('sourcebase_arg must be a string, not %s' % \
-        type(sourcebase_arg).__name__))
-    emit += """\
+        emit = emit.replace('%V1%', macro_prefix_arg)
+        if type(emit) is bytes:
+            emit = emit.decode(ENCS['default'])
+        return(constants.nlconvert(emit))
+
+    def initmacro_done(self, macro_prefix_arg, sourcebase_arg):
+        '''GLEmiter.initmacro_done(macro_prefix_arg, sourcebase_arg) -> string
+
+        Emit a few statements after the gl_INIT macro.
+        GLConfig: sourcebase.'''
+        emit = string()
+        if type(macro_prefix_arg) is bytes or type(macro_prefix_arg) is string:
+            if type(macro_prefix_arg) is bytes:
+                macro_prefix_arg = macro_prefix_arg.decode(ENCS['default'])
+        else:  # if macro_prefix_arg has not bytes or string type
+            raise(TypeError('macro_prefix_arg must be a string, not %s' %
+                            type(macro_prefix_arg).__name__))
+        if type(sourcebase_arg) is bytes or type(sourcebase_arg) is string:
+            if type(sourcebase_arg) is bytes:
+                sourcebase_arg = sourcebase_arg.decode(ENCS['default'])
+        else:  # if sourcebase_arg has not bytes or string type
+            raise(TypeError('sourcebase_arg must be a string, not %s' %
+                            type(sourcebase_arg).__name__))
+        emit += """\
 
 # Like AC_LIBOBJ, except that the module name goes
 # into %V1%_LIBOBJS instead of into LIBOBJS.
@@ -587,552 +591,577 @@ AC_DEFUN([%V1%_LIBSOURCES], [
     ])
   ])
 ])\n"""
-    emit = emit.replace('%V1%', macro_prefix_arg)
-    emit = emit.replace('%V2%', sourcebase_arg)
-    if type(emit) is bytes:
-      emit = emit.decode(ENCS['default'])
-    return(constants.nlconvert(emit))
-    
-  def lib_Makefile_am(self, destfile, modules,
-    moduletable, makefiletable, actioncmd, for_test):
-    '''GLEmiter.lib_Makefile_am(destfile, modules, moduletable, makefiletable,
-         actioncmd, for_test) -> tuple of string and bool
-    
-    Emit the contents of the library Makefile. Returns string and a bool
-    variable which shows if subdirectories are used.
-    GLConfig: localdir, sourcebase, libname, pobase, auxdir, makefile, libtool,
-    macro_prefix, podomain, conddeps, witness_c_macro.
-    
-    destfile is a filename relative to destdir of Makefile being generated.
-    modules is a list of GLModule instances.
-    moduletable is a GLModuleTable instance.
-    makefiletable is a GLMakefileTable instance.
-    actioncmd is a string variable, which represents the actioncmd; it can be
-      an empty string e.g. when user wants to generate files for GLTestDir.
-    for_test is a bool variable; it must be set to True if creating a package
-      for testing, False otherwise.'''
-    if type(destfile) is bytes or type(destfile) is string:
-      if type(destfile) is bytes:
-        destfile = destfile.decode(ENCS['default'])
-    else: # if destfile has not bytes or string type
-      raise(TypeError('destfile must be a string, not %s' % \
-        type(destfile).__name__))
-    for module in modules:
-      if type(module) is not GLModule:
-        raise(TypeError('each module must be a GLModule instance'))
-    if type(moduletable) is not GLModuleTable:
-      raise(TypeError('moduletable must be a GLModuleTable, not %s' % \
-        type(moduletable).__name__))
-    if type(makefiletable) is not GLMakefileTable:
-      raise(TypeError('makefiletable must be a GLMakefileTable, not %s' % \
-        type(makefiletable).__name__))
-    if type(actioncmd) is bytes or type(actioncmd) is string:
-      if type(actioncmd) is bytes:
-        actioncmd = actioncmd.decode(ENCS['default'])
-    else: # if actioncmd has not bytes or string type
-      raise(TypeError('actioncmd must be a string, not %s' % \
-        type(actioncmd).__name__))
-    if type(for_test) is not bool:
-      raise(TypeError('for_test must be a bool, not %s' % \
-        type(for_test).__name__))
-    emit = string()
-    localdir = self.config['localdir']
-    sourcebase = self.config['sourcebase']
-    modcache = self.config['modcache']
-    libname = self.config['libname']
-    pobase = self.config['pobase']
-    auxdir = self.config['auxdir']
-    makefile = self.config['makefile']
-    libtool = self.config['libtool']
-    macro_prefix = self.config['macro_prefix']
-    podomain = self.config['podomain']
-    conddeps = self.config['conddeps']
-    witness_c_macro = self.config['witness_c_macro']
-    include_guard_prefix = self.config['include_guard_prefix']
-    ac_version = self.config['ac_version']
-    destfile = os.path.normpath(destfile)
-    
-    # When creating an includable Makefile.am snippet, augment variables with
-    # += instead of assigning them.
-    if makefile:
-      assign = '+='
-    else: # if not makefile
-      assign = '='
-    if libtool:
-      libext = 'la'
-      perhapsLT = 'LT'
-      LD_flags = False
-    else: # if not libtool
-      libext = 'a'
-      perhapsLT = ''
-      LD_flags = True
-    if for_test:
-      # When creating a package for testing: Attempt to provoke failures,
-      # especially link errors, already during "make" rather than during
-      # "make check", because "make check" is not possible in a cross-compiling
-      # situation. Turn check_PROGRAMS into noinst_PROGRAMS.
-      check_PROGRAMS = True
-    else: # if not for_test
-      check_PROGRAMS = False
-    emit += "## DO NOT EDIT! GENERATED AUTOMATICALLY!\n"
-    emit += "## Process this file with automake to produce Makefile.in.\n"
-    emit += self.copyright_notice()
-    if actioncmd:
-      if len(actioncmd) <= 3000:
-        emit += "# Reproduce by: %s\n" % actioncmd
-    emit += '\n'
-    uses_subdirs = False
-    
-    # Modify allsnippets variable.
-    allsnippets = string()
-    for module in modules:
-      if not module.isTests():
-        # Get conditional snippet, edit it and save to amsnippet1.
-        amsnippet1 = module.getAutomakeSnippet_Conditional()
-        amsnippet1 = amsnippet1.replace('lib_LIBRARIES', 'lib%_LIBRARIES')
-        amsnippet1 = amsnippet1.replace('lib_LTLIBRARIES', 'lib%_LTLIBRARIES')
-        if LD_flags:
-          pattern = compiler('lib_LDFLAGS[\t ]*\\+=(.*?)$', re.S | re.M)
-          amsnippet1 = pattern.sub('', amsnippet1)
-        pattern = compiler('lib_([A-Z][A-Z](?:.*?))', re.S | re.M)
-        amsnippet1 = pattern.sub('%s_%s_\\1' % (libname, libext), amsnippet1)
-        amsnippet1 = amsnippet1.replace('lib%_LIBRARIES', 'lib_LIBRARIES')
-        amsnippet1 = amsnippet1.replace('lib%_LTLIBRARIES', 'lib_LTLIBRARIES')
-        amsnippet1 = amsnippet1.replace('${gl_include_guard_prefix}',
-          include_guard_prefix)
-        if str(module) == 'alloca':
-          amsnippet1 += '%s_%s_LIBADD += @%sALLOCA@\n' % \
-            (libname, libext, perhapsLT)
-          amsnippet1 += '%s_%s_DEPENDENCIES += @%sALLOCA@\n' % \
-            (libname, libext, perhapsLT)
-        if check_PROGRAMS:
-          amsnippet1 = amsnippet1.replace('check_PROGRAMS', 'noinst_PROGRAMS')
-        
-        # Get unconditional snippet, edit it and save to amsnippet1.
-        amsnippet2 = module.getAutomakeSnippet_Unconditional()
-        pattern = compiler('lib_([A-Z][A-Z](?:.*?))', re.S | re.M)
-        amsnippet2 = pattern.sub('%s_%s_\\1' % (libname, libext), amsnippet2)
-        if type(amsnippet1) is bytes:
-          amsnippet1 = amsnippet1.decode(ENCS['default'])
-        if type(amsnippet2) is bytes:
-          amsnippet2 = amsnippet1.decode(ENCS['default'])
-        if not (amsnippet1 +amsnippet2).isspace():
-          allsnippets += '## begin gnulib module %s\n' % str(module)
-          if conddeps:
-            if moduletable.isConditional(module):
-              name = module.getConditionalName()
-              allsnippets += 'if %s\n' % name
-          allsnippets += amsnippet1
-          if conddeps:
-            allsnippets += 'endif\n'
-          allsnippets += amsnippet2
-          allsnippets += '## end   gnulib module %s\n\n' % str(module)
-          
-          # Test whether there are some source files in subdirectories.
-          for file in module.getFiles():
-            if file.startswith('lib/') and file.endswith('.c') and \
-            file.count('/') > 1:
-              uses_subdirs = True
-              break
-    if not makefile:
-      subdir_options = string()
-      # If there are source files in subdirectories, prevent collision of the
-      # object files (example: hash.c and libxml/hash.c).
-      if uses_subdirs:
-        subdir_options = string(' subdir-objects')
-      emit += 'AUTOMAKE_OPTIONS = 1.5 gnits%s\n' % subdir_options
-    emit += '\n'
-    if not makefile:
-      emit += 'SUBDIRS =\n'
-      emit += 'noinst_HEADERS =\n'
-      emit += 'noinst_LIBRARIES =\n'
-      emit += 'noinst_LTLIBRARIES =\n'
-      # Automake versions < 1.11.4 create an empty pkgdatadir at
-      # installation time if you specify pkgdata_DATA to empty.
-      # See automake bugs #10997 and #11030:
-      #  * http://debbugs.gnu.org/10997
-      #  * http://debbugs.gnu.org/11030
-      # So we need this workaround.
-      pattern = compiler('^pkgdata_DATA *\\+=', re.S | re.M)
-      if pattern.findall(allsnippets):
-        emit += 'pkgdata_DATA =\n'
-      emit += 'EXTRA_DIST =\n'
-      emit += 'BUILT_SOURCES =\n'
-      emit += 'SUFFIXES =\n'
-    emit += 'MOSTLYCLEANFILES %s core *.stackdump\n' % assign
-    if not makefile:
-      emit += 'MOSTLYCLEANDIRS =\n'
-      emit += 'CLEANFILES =\n'
-      emit += 'DISTCLEANFILES =\n'
-      emit += 'MAINTAINERCLEANFILES =\n'
-    
-    # Execute edits that apply to the Makefile.am being generated.
-    current_edit = int()
-    makefile_am_edits = makefiletable.count()
-    while current_edit != makefile_am_edits:
-      dictionary = makefiletable[current_edit]
-      if dictionary['var']:
-        paths = list()
-        paths += [joinpath(dictionary['dir'], 'Makefile.am')]
-        paths += [os.path.normpath('./%s/Makefile.am' % dictionary['dir'])]
-        paths = sorted(set(paths))
-        if destfile in paths:
-          emit += '%s += %s\n' % (dictionary['var'], dictionary['val'])
-      current_edit += 1
-    
-    # Define two parts of cppflags variable.
-    emit += '\n'
-    cppflags_part1 = string()
-    cppflags_part2 = string()
-    if witness_c_macro:
-      cppflags_part1 = ' -D%s=1' % witness_c_macro
-    if for_test:
-      cppflags_part2 = ' -DGNULIB_STRICT_CHECKING=1'
-    cppflags = '%s%s' % (cppflags_part1, cppflags_part2)
-    if not makefile:
-      emit += 'AM_CPPFLAGS =%s\n' % cppflags
-      emit += 'AM_CFLAGS =\n'
-    else: # if makefile
-      if cppflags:
-        emit += 'AM_CPPFLAGS +=%s\n' % cppflags
-    emit += '\n'
-    
-    # One of the snippets or the user's Makefile.am already specifies an
-    # installation location for the library. Don't confuse automake by saying
-    # it should not be installed.
-    # First test if allsnippets already specify an installation location.
-    insnippets = False
-    inmakefile = False
-    regex = '^[a-zA-Z0-9_]*_%sLIBRARIES *\\+{0,1}= *%s.%s' % \
-      (perhapsLT, libname, libext)
-    pattern = compiler(regex, re.S | re.M)
-    insnippets = bool(pattern.findall(allsnippets))
-    # Then test if $sourcebase/Makefile.am (if it exists) specifies it.
-    path = joinpath(sourcebase, 'Makefile.am')
-    if makefile and isfile(path):
-      with codecs.open(path, 'rb', 'UTF-8') as file:
-        data = file.read()
-      inmakefile = bool(pattern.findall(data))
-    if not any([insnippets, inmakefile]):
-      # By default, the generated library should not be installed.
-      emit += 'noinst_%sLIBRARIES += %s.%s\n' % (perhapsLT, libname, libext)
-    
-    emit += '\n'
-    emit += '%s_%s_SOURCES =\n' % (libname, libext)
-    # Here we use $(LIBOBJS), not @LIBOBJS@. The value is the same. However,
-    # automake during its analysis looks for $(LIBOBJS), not for @LIBOBJS@.
-    emit += '%s_%s_LIBADD = $(%s_%sLIBOBJS)\n' % \
-      (libname, libext, macro_prefix, perhapsLT)
-    emit += '%s_%s_DEPENDENCIES = $(%s_%sLIBOBJS)\n' % \
-      (libname, libext, macro_prefix, perhapsLT)
-    emit += 'EXTRA_%s_%s_SOURCES =\n' % (libname, libext)
-    if libtool:
-      emit += '%s_%s_LDFLAGS = $(AM_LDFLAGS)\n' % (libname, libext)
-      emit += '%s_%s_LDFLAGS += -no-undefined\n' % (libname, libext)
-      # Synthesize an ${libname}_${libext}_LDFLAGS augmentation by combining
-      # the link dependencies of all modules.
-      listing = list()
-      links = [module.getLink() for module in modules if not module.isTests()]
-      for link in links:
-        link = constants.nlremove(link)
-        position = link.find(' when linking with libtool')
-        if position != -1:
-          link = link[:position]
-        listing += [link]
-      listing = sorted(set([link for link in listing if link != '']))
-      for link in listing:
-        emit += '%s_%s_LDFLAGS += %s\n' % (libname, libext, link)
-    emit += '\n'
-    if pobase:
-      emit += 'AM_CPPFLAGS += -DDEFAULT_TEXT_DOMAIN="%s-gnulib"\n' % podomain
-      emit += '\n'
-    allsnippets = allsnippets.replace('$(top_srcdir)/build-aux/',
-      '$(top_srcdir)/%s/' % auxdir)
-    emit += allsnippets
-    emit += '\n'
-    emit += 'mostlyclean-local: mostlyclean-generic\n'
-    emit += '\t@for dir in \'\' $(MOSTLYCLEANDIRS); do \\\n'
-    emit += '\t  if test -n "$$dir" && test -d $$dir; then \\\n'
-    emit += '\t    echo "rmdir $$dir"; rmdir $$dir; \\\n'
-    emit += '\t  fi; \\\n'
-    emit += '\tdone; \\\n'
-    emit += '\t:\n'
-    emit = constants.nlconvert(emit)
-    if type(emit) is bytes:
-      emit = emit.decode(ENCS['default'])
-    result = tuple([emit, uses_subdirs])
-    return(result)
-    
-  def tests_Makefile_am(self, destfile, modules, makefiletable,
-    witness_macro, for_test):
-    '''GLEmiter.tests_Makefile_am(destfile, modules, makefiletable,
-         witness_c_macro, for_test) -> tuple of string and bool
-    
-    Emit the contents of the tests Makefile. Returns string and a bool variable
-    which shows if subdirectories are used.
-    GLConfig: localdir, modules, libname, auxdir, makefile, libtool,
-    sourcebase, m4base, testsbase, macro_prefix, witness_c_macro,
-    single_configure, libtests.
-    
-    destfile is a filename relative to destdir of Makefile being generated.
-    witness_macro is a string which represents witness_c_macro with the suffix.
-    modules is a list of GLModule instances.
-    moduletable is a GLModuleTable instance.
-    makefiletable is a GLMakefileTable instance.
-    actioncmd is a string variable, which represents the actioncmd; it can be
-      an empty string e.g. when user wants to generate files for GLTestDir.
-    for_test is a bool variable; it must be set to True if creating a package
-      for testing, False otherwise.'''
-    if type(destfile) is bytes or type(destfile) is string:
-      if type(destfile) is bytes:
-        destfile = destfile.decode(ENCS['default'])
-    else: # if destfile has not bytes or string type
-      raise(TypeError('destfile must be a string, not %s' % \
-        type(destfile).__name__))
-    for module in modules:
-      if type(module) is not GLModule:
-        raise(TypeError('each module must be a GLModule instance'))
-    if type(makefiletable) is not GLMakefileTable:
-      raise(TypeError('makefiletable must be a GLMakefileTable, not %s' % \
-        type(makefiletable).__name__))
-    if type(witness_macro) is bytes or type(witness_macro) is string:
-      if type(witness_macro) is bytes:
-        witness_macro = witness_macro.decode(ENCS['default'])
-    else: # if witness_macro has not bytes or string type
-      raise(TypeError('witness_macro must be a string, not %s' % \
-        type(witness_macro).__name__))
-    if type(for_test) is not bool:
-      raise(TypeError('for_test must be a bool, not %s' % \
-        type(for_test).__name__))
-    emit = string()
-    localdir = self.config['localdir']
-    auxdir = self.config['auxdir']
-    sourcebase = self.config['sourcebase']
-    modcache = self.config['modcache']
-    libname = self.config['libname']
-    m4base = self.config['m4base']
-    pobase = self.config['pobase']
-    testsbase = self.config['testsbase']
-    makefile = self.config['makefile']
-    libtool = self.config['libtool']
-    macro_prefix = self.config['macro_prefix']
-    podomain = self.config['podomain']
-    conddeps = self.config['conddeps']
-    witness_c_macro = self.config['witness_c_macro']
-    include_guard_prefix = self.config['include_guard_prefix']
-    ac_version = self.config['ac_version']
-    libtests = self.config['libtests']
-    single_configure = self.config['single_configure']
-    
-    if libtool:
-      libext = 'la'
-      perhapsLT = 'LT'
-      LD_flags = False
-    else: # if not libtool
-      libext = 'a'
-      perhapsLT = ''
-      LD_flags = True
-    if for_test:
-      # When creating a package for testing: Attempt to provoke failures,
-      # especially link errors, already during "make" rather than during
-      # "make check", because "make check" is not possible in a cross-compiling
-      # situation. Turn check_PROGRAMS into noinst_PROGRAMS.
-      check_PROGRAMS = True
-    else: # if not for_test
-      check_PROGRAMS = False
-    
-    # Calculate testsbase_inverse
-    counter = int()
-    testsbase_inverse = string()
-    while counter < len(testsbase.split('/')):
-      testsbase_inverse += '../'
-      counter += 1
-    testsbase_inverse = os.path.normpath(testsbase_inverse)
-    
-    # Begin the generation.
-    emit += "## DO NOT EDIT! GENERATED AUTOMATICALLY!\n"
-    emit += "## Process this file with automake to produce Makefile.in.\n"
-    emit += '%s\n' % self.copyright_notice()
-    
-    uses_subdirs = False
-    main_snippets = string()
-    longrun_snippets = string()
-    for module in modules:
-      if for_test and not single_configure:
-        flag = module.isTests()
-      else: # if for_test and not single_configure
-        flag = True
-      if flag:
-        snippet = module.getAutomakeSnippet()
-        snippet = snippet.replace('lib_LIBRARIES', 'lib%_LIBRARIES')
-        snippet = snippet.replace('lib_LTLIBRARIES', 'lib%_LTLIBRARIES')
-        if LD_flags:
-          pattern = compiler('lib_LDFLAGS[\t ]*\\+=(.*?)$', re.S | re.M)
-          snippet = pattern.sub('', snippet)
-        pattern = compiler('lib_([A-Z][A-Z](?:.*?))', re.S | re.M)
-        snippet = pattern.sub('libtests_a_\\1', snippet)
-        snippet = snippet.replace('lib%_LIBRARIES', 'lib_LIBRARIES')
-        snippet = snippet.replace('lib%_LTLIBRARIES', 'lib_LTLIBRARIES')
-        snippet = snippet.replace('${gl_include_guard_prefix}',
-          include_guard_prefix)
-        if check_PROGRAMS:
-          snippet = snippet.replace('check_PROGRAMS', 'noinst_PROGRAMS')
-        # Check if module is 'alloca'.
-        if libtests and str(module) == 'alloca':
-          snippet += 'libtests_a_LIBADD += @%sALLOCA@\n' % perhapsLT
-          snippet += 'libtests_a_DEPENDENCIES += @%sALLOCA@\n' % perhapsLT
-        
-        # Skip the contents if it's entirely empty.
-        if snippet.strip():
-          # Check status of the module.
-          status = module.getStatus()
-          islongrun = False
-          for word in status:
-            if word == 'longrunning-test':
-              islongrun = True
-              break
-          if not islongrun:
-            snippet = snippet.replace('\n\nEXTRA_DIST', '\nEXTRA_DIST')
-            main_snippets += '## begin gnulib module %s\n' % str(module)
-            main_snippets += snippet
-            main_snippets += '## end   gnulib module %s\n\n' % str(module)
-          else: # if islongrunning
-            snippet = snippet.replace('\n\nEXTRA_DIST', '\nEXTRA_DIST')
-            longrun_snippets += '## begin gnulib module %s\n' % str(module)
-            longrun_snippets += snippet
-            longrun_snippets += '## end gnulib module %s\n' % str(module)
-          
-          # Test whether there are some source files in subdirectories.
-          for file in module.getFiles():
-            if file.startswith('lib/') and file.endswith('.c') and \
-            file.count('/') > 1:
-              uses_subdirs = True
-              break
-    
-    # Generate dependencies here, since it eases the debugging of test failures.
-    # If there are source files in subdirectories, prevent collision of the
-    # object files (example: hash.c and libxml/hash.c).
-    subdir_options = string()
-    if uses_subdirs:
-      subdir_options = string(' subdir-objects')
-    emit += 'AUTOMAKE_OPTIONS = 1.5 foreign%s\n\n' % subdir_options
-    if for_test and not single_configure:
-      emit += 'ACLOCAL_AMFLAGS = -I %s/%s\n\n' % (testsbase_inverse, m4base)
-    
-    # Nothing is being added to SUBDIRS; nevertheless the existence of this
-    # variable is needed to avoid an error from automake:
-    #   "AM_GNU_GETTEXT used but SUBDIRS not defined"
-    emit += 'SUBDIRS = .\n'
-    emit += 'TESTS =\n'
-    emit += 'XFAIL_TESTS =\n'
-    emit += 'TESTS_ENVIRONMENT =\n'
-    emit += 'noinst_PROGRAMS =\n'
-    if not for_test:
-      emit += 'check_PROGRAMS =\n'
-    emit += 'noinst_HEADERS =\n'
-    emit += 'noinst_LIBRARIES =\n'
-    if libtests:
-      if for_test:
-        emit += 'noinst_LIBRARIES += libtests.a\n'
-      else: # if not for_test
-        emit += 'check_LIBRARIES = libtests.a\n'
-    
-    # Automake versions < 1.11.4 create an empty pkgdatadir at
-    # installation time if you specify pkgdata_DATA to empty.
-    # See automake bugs #10997 and #11030:
-    #  * http://debbugs.gnu.org/10997
-    #  * http://debbugs.gnu.org/11030
-    # So we need this workaround.
-    pattern = compiler('^pkgdata_DATA *\\+=', re.S | re.M)
-    if bool(pattern.findall(main_snippets)) or \
-    bool(pattern.findall(longrun_snippets)):
-      emit += 'pkgdata_DATA =\n'
-    
-    emit += 'EXTRA_DIST =\n'
-    emit += 'BUILT_SOURCES =\n'
-    emit += 'SUFFIXES =\n'
-    emit += 'MOSTLYCLEANFILES = core *.stackdump\n'
-    emit += 'MOSTLYCLEANDIRS =\n'
-    emit += 'CLEANFILES =\n'
-    emit += 'DISTCLEANFILES =\n'
-    emit += 'MAINTAINERCLEANFILES =\n'
-    
-    # Execute edits that apply to the Makefile.am being generated.
-    # Execute edits that apply to the Makefile.am being generated.
-    current_edit = int()
-    makefile_am_edits = makefiletable.count()
-    while current_edit != makefile_am_edits:
-      dictionary = makefiletable[current_edit]
-      if dictionary['var']:
-        paths = list()
-        paths += [joinpath(dictionary['dir'], 'Makefile.am')]
-        paths += [os.path.normpath('./%s/Makefile.am' % dictionary['dir'])]
-        paths = sorted(set(paths))
-        if destfile in paths:
-          emit += '%s += %s\n' % (dictionary['var'], dictionary['val'])
-      current_edit += 1
-    
-    emit += '\nAM_CPPFLAGS = \\\n'
-    if for_test:
-      emit += '  -DGNULIB_STRICT_CHECKING=1 \\\n'
-    if witness_c_macro:
-      emit += '  -D%s=1 \\\n' % witness_c_macro
-    if witness_macro:
-      emit += '  -D@%s@=1 \\\n' % witness_macro
-    emit += '  -I. -I$(srcdir) \\\n'
-    emit += '  -I%s -I$(srcdir)/%s \\\n' % \
-      (testsbase_inverse, testsbase_inverse)
-    emit += '  -I%s/%s -I$(srcdir)/%s/%s\n' % \
-      (testsbase_inverse, sourcebase, testsbase_inverse, sourcebase)
-    emit += '\n'
-    
-    local_ldadd_before = string()
-    local_ldadd_after = string()
-    if libtests:
-      # All test programs need to be linked with libtests.a.
-      # It needs to be passed to the linker before ${libname}.${libext}, since
-      # the tests-related modules depend on the main modules.
-      # It also needs to be passed to the linker after ${libname}.${libext}
-      # because the latter might contain incomplete modules (such as the
-      # 'error' module whose dependency to 'progname' is voluntarily omitted).
-      # The LIBTESTS_LIBDEPS can be passed to the linker once or twice, it does
-      # not matter.
-      local_ldadd_before = ' libtests.a'
-      local_ldadd_after = ' libtests.a $(LIBTESTS_LIBDEPS)'
-    emit += 'LDADD =%s %s/%s/%s.%s%s\n\n' % \
-      (local_ldadd_before, testsbase_inverse, sourcebase, libname, libext,
-        local_ldadd_after)
-    if libtests:
-      emit += 'libtests_a_SOURCES =\n'
-      # Here we use $(LIBOBJS), not @LIBOBJS@. The value is the same. However,
-      # automake during its analysis looks for $(LIBOBJS), not for @LIBOBJS@.
-      emit += 'libtests_a_LIBADD = $(%stests_LIBOBJS)\n' % macro_prefix
-      emit += 'libtests_a_DEPENDENCIES = $(%stests_LIBOBJS)\n' % macro_prefix
-      emit += 'EXTRA_libtests_a_SOURCES =\n'
-      # The circular dependency in LDADD requires this.
-      emit += 'AM_LIBTOOLFLAGS = --preserve-dup-deps\n\n'
-    # Many test scripts use ${EXEEXT} or ${srcdir}.
-    # EXEEXT is defined by AC_PROG_CC through autoconf.
-    # srcdir is defined by autoconf and automake.
-    emit += "TESTS_ENVIRONMENT += EXEEXT='@EXEEXT@' srcdir='$(srcdir)'\n\n"
-    main_snippets = main_snippets.replace('$(top_srcdir)/build-aux/',
-      '$(top_srcdir)/%s/' % auxdir)
-    longrun_snippets = longrun_snippets.replace('$(top_srcdir)/build-aux/',
-      '$(top_srcdir)/%s/' % auxdir)
-    emit += main_snippets +longrun_snippets
-    emit += '# Clean up after Solaris cc.\n'
-    emit += 'clean-local:\n'
-    emit += '\trm -rf SunWS_cache\n\n'
-    emit += 'mostlyclean-local: mostlyclean-generic\n'
-    emit += '\t@for dir in \'\' $(MOSTLYCLEANDIRS); do \\\n'
-    emit += '\t  if test -n "$$dir" && test -d $$dir; then \\\n'
-    emit += '\t    echo "rmdir $$dir"; rmdir $$dir; \\\n'
-    emit += '\t  fi; \\\n'
-    emit += '\tdone; \\\n'
-    emit += '\t:\n'
-    emit = constants.nlconvert(emit)
-    if type(emit) is bytes:
-      emit = emit.decode(ENCS['default'])
-    result = tuple([emit, uses_subdirs])
-    return(result)
+        emit = emit.replace('%V1%', macro_prefix_arg)
+        emit = emit.replace('%V2%', sourcebase_arg)
+        if type(emit) is bytes:
+            emit = emit.decode(ENCS['default'])
+        return(constants.nlconvert(emit))
+
+    def lib_Makefile_am(self, destfile, modules,
+                        moduletable, makefiletable, actioncmd, for_test):
+        '''GLEmiter.lib_Makefile_am(destfile, modules, moduletable, makefiletable,
+             actioncmd, for_test) -> tuple of string and bool
+
+        Emit the contents of the library Makefile. Returns string and a bool
+        variable which shows if subdirectories are used.
+        GLConfig: localdir, sourcebase, libname, pobase, auxdir, makefile, libtool,
+        macro_prefix, podomain, conddeps, witness_c_macro.
+
+        destfile is a filename relative to destdir of Makefile being generated.
+        modules is a list of GLModule instances.
+        moduletable is a GLModuleTable instance.
+        makefiletable is a GLMakefileTable instance.
+        actioncmd is a string variable, which represents the actioncmd; it can be
+          an empty string e.g. when user wants to generate files for GLTestDir.
+        for_test is a bool variable; it must be set to True if creating a package
+          for testing, False otherwise.'''
+        if type(destfile) is bytes or type(destfile) is string:
+            if type(destfile) is bytes:
+                destfile = destfile.decode(ENCS['default'])
+        else:  # if destfile has not bytes or string type
+            raise(TypeError('destfile must be a string, not %s' %
+                            type(destfile).__name__))
+        for module in modules:
+            if type(module) is not GLModule:
+                raise(TypeError('each module must be a GLModule instance'))
+        if type(moduletable) is not GLModuleTable:
+            raise(TypeError('moduletable must be a GLModuleTable, not %s' %
+                            type(moduletable).__name__))
+        if type(makefiletable) is not GLMakefileTable:
+            raise(TypeError('makefiletable must be a GLMakefileTable, not %s' %
+                            type(makefiletable).__name__))
+        if type(actioncmd) is bytes or type(actioncmd) is string:
+            if type(actioncmd) is bytes:
+                actioncmd = actioncmd.decode(ENCS['default'])
+        else:  # if actioncmd has not bytes or string type
+            raise(TypeError('actioncmd must be a string, not %s' %
+                            type(actioncmd).__name__))
+        if type(for_test) is not bool:
+            raise(TypeError('for_test must be a bool, not %s' %
+                            type(for_test).__name__))
+        emit = string()
+        localdir = self.config['localdir']
+        sourcebase = self.config['sourcebase']
+        modcache = self.config['modcache']
+        libname = self.config['libname']
+        pobase = self.config['pobase']
+        auxdir = self.config['auxdir']
+        makefile = self.config['makefile']
+        libtool = self.config['libtool']
+        macro_prefix = self.config['macro_prefix']
+        podomain = self.config['podomain']
+        conddeps = self.config['conddeps']
+        witness_c_macro = self.config['witness_c_macro']
+        include_guard_prefix = self.config['include_guard_prefix']
+        ac_version = self.config['ac_version']
+        destfile = os.path.normpath(destfile)
+
+        # When creating an includable Makefile.am snippet, augment variables with
+        # += instead of assigning them.
+        if makefile:
+            assign = '+='
+        else:  # if not makefile
+            assign = '='
+        if libtool:
+            libext = 'la'
+            perhapsLT = 'LT'
+            LD_flags = False
+        else:  # if not libtool
+            libext = 'a'
+            perhapsLT = ''
+            LD_flags = True
+        if for_test:
+            # When creating a package for testing: Attempt to provoke failures,
+            # especially link errors, already during "make" rather than during
+            # "make check", because "make check" is not possible in a cross-compiling
+            # situation. Turn check_PROGRAMS into noinst_PROGRAMS.
+            check_PROGRAMS = True
+        else:  # if not for_test
+            check_PROGRAMS = False
+        emit += "## DO NOT EDIT! GENERATED AUTOMATICALLY!\n"
+        emit += "## Process this file with automake to produce Makefile.in.\n"
+        emit += self.copyright_notice()
+        if actioncmd:
+            if len(actioncmd) <= 3000:
+                emit += "# Reproduce by: %s\n" % actioncmd
+        emit += '\n'
+        uses_subdirs = False
+
+        # Modify allsnippets variable.
+        allsnippets = string()
+        for module in modules:
+            if not module.isTests():
+                # Get conditional snippet, edit it and save to amsnippet1.
+                amsnippet1 = module.getAutomakeSnippet_Conditional()
+                amsnippet1 = amsnippet1.replace(
+                    'lib_LIBRARIES', 'lib%_LIBRARIES')
+                amsnippet1 = amsnippet1.replace(
+                    'lib_LTLIBRARIES', 'lib%_LTLIBRARIES')
+                if LD_flags:
+                    pattern = compiler(
+                        'lib_LDFLAGS[\t ]*\\+=(.*?)$', re.S | re.M)
+                    amsnippet1 = pattern.sub('', amsnippet1)
+                pattern = compiler('lib_([A-Z][A-Z](?:.*?))', re.S | re.M)
+                amsnippet1 = pattern.sub('%s_%s_\\1' %
+                                         (libname, libext), amsnippet1)
+                amsnippet1 = amsnippet1.replace(
+                    'lib%_LIBRARIES', 'lib_LIBRARIES')
+                amsnippet1 = amsnippet1.replace(
+                    'lib%_LTLIBRARIES', 'lib_LTLIBRARIES')
+                amsnippet1 = amsnippet1.replace('${gl_include_guard_prefix}',
+                                                include_guard_prefix)
+                if str(module) == 'alloca':
+                    amsnippet1 += '%s_%s_LIBADD += @%sALLOCA@\n' % \
+                        (libname, libext, perhapsLT)
+                    amsnippet1 += '%s_%s_DEPENDENCIES += @%sALLOCA@\n' % \
+                        (libname, libext, perhapsLT)
+                if check_PROGRAMS:
+                    amsnippet1 = amsnippet1.replace(
+                        'check_PROGRAMS', 'noinst_PROGRAMS')
+
+                # Get unconditional snippet, edit it and save to amsnippet1.
+                amsnippet2 = module.getAutomakeSnippet_Unconditional()
+                pattern = compiler('lib_([A-Z][A-Z](?:.*?))', re.S | re.M)
+                amsnippet2 = pattern.sub('%s_%s_\\1' %
+                                         (libname, libext), amsnippet2)
+                if type(amsnippet1) is bytes:
+                    amsnippet1 = amsnippet1.decode(ENCS['default'])
+                if type(amsnippet2) is bytes:
+                    amsnippet2 = amsnippet1.decode(ENCS['default'])
+                if not (amsnippet1 + amsnippet2).isspace():
+                    allsnippets += '## begin gnulib module %s\n' % str(module)
+                    if conddeps:
+                        if moduletable.isConditional(module):
+                            name = module.getConditionalName()
+                            allsnippets += 'if %s\n' % name
+                    allsnippets += amsnippet1
+                    if conddeps:
+                        allsnippets += 'endif\n'
+                    allsnippets += amsnippet2
+                    allsnippets += '## end   gnulib module %s\n\n' % str(
+                        module)
+
+                    # Test whether there are some source files in subdirectories.
+                    for file in module.getFiles():
+                        if file.startswith('lib/') and file.endswith('.c') and \
+                                file.count('/') > 1:
+                            uses_subdirs = True
+                            break
+        if not makefile:
+            subdir_options = string()
+            # If there are source files in subdirectories, prevent collision of the
+            # object files (example: hash.c and libxml/hash.c).
+            if uses_subdirs:
+                subdir_options = string(' subdir-objects')
+            emit += 'AUTOMAKE_OPTIONS = 1.5 gnits%s\n' % subdir_options
+        emit += '\n'
+        if not makefile:
+            emit += 'SUBDIRS =\n'
+            emit += 'noinst_HEADERS =\n'
+            emit += 'noinst_LIBRARIES =\n'
+            emit += 'noinst_LTLIBRARIES =\n'
+            # Automake versions < 1.11.4 create an empty pkgdatadir at
+            # installation time if you specify pkgdata_DATA to empty.
+            # See automake bugs #10997 and #11030:
+            #  * http://debbugs.gnu.org/10997
+            #  * http://debbugs.gnu.org/11030
+            # So we need this workaround.
+            pattern = compiler('^pkgdata_DATA *\\+=', re.S | re.M)
+            if pattern.findall(allsnippets):
+                emit += 'pkgdata_DATA =\n'
+            emit += 'EXTRA_DIST =\n'
+            emit += 'BUILT_SOURCES =\n'
+            emit += 'SUFFIXES =\n'
+        emit += 'MOSTLYCLEANFILES %s core *.stackdump\n' % assign
+        if not makefile:
+            emit += 'MOSTLYCLEANDIRS =\n'
+            emit += 'CLEANFILES =\n'
+            emit += 'DISTCLEANFILES =\n'
+            emit += 'MAINTAINERCLEANFILES =\n'
+
+        # Execute edits that apply to the Makefile.am being generated.
+        current_edit = int()
+        makefile_am_edits = makefiletable.count()
+        while current_edit != makefile_am_edits:
+            dictionary = makefiletable[current_edit]
+            if dictionary['var']:
+                paths = list()
+                paths += [joinpath(dictionary['dir'], 'Makefile.am')]
+                paths += [os.path.normpath('./%s/Makefile.am' %
+                                           dictionary['dir'])]
+                paths = sorted(set(paths))
+                if destfile in paths:
+                    emit += '%s += %s\n' % (dictionary['var'],
+                                            dictionary['val'])
+            current_edit += 1
+
+        # Define two parts of cppflags variable.
+        emit += '\n'
+        cppflags_part1 = string()
+        cppflags_part2 = string()
+        if witness_c_macro:
+            cppflags_part1 = ' -D%s=1' % witness_c_macro
+        if for_test:
+            cppflags_part2 = ' -DGNULIB_STRICT_CHECKING=1'
+        cppflags = '%s%s' % (cppflags_part1, cppflags_part2)
+        if not makefile:
+            emit += 'AM_CPPFLAGS =%s\n' % cppflags
+            emit += 'AM_CFLAGS =\n'
+        else:  # if makefile
+            if cppflags:
+                emit += 'AM_CPPFLAGS +=%s\n' % cppflags
+        emit += '\n'
+
+        # One of the snippets or the user's Makefile.am already specifies an
+        # installation location for the library. Don't confuse automake by saying
+        # it should not be installed.
+        # First test if allsnippets already specify an installation location.
+        insnippets = False
+        inmakefile = False
+        regex = '^[a-zA-Z0-9_]*_%sLIBRARIES *\\+{0,1}= *%s.%s' % \
+            (perhapsLT, libname, libext)
+        pattern = compiler(regex, re.S | re.M)
+        insnippets = bool(pattern.findall(allsnippets))
+        # Then test if $sourcebase/Makefile.am (if it exists) specifies it.
+        path = joinpath(sourcebase, 'Makefile.am')
+        if makefile and isfile(path):
+            with codecs.open(path, 'rb', 'UTF-8') as file:
+                data = file.read()
+            inmakefile = bool(pattern.findall(data))
+        if not any([insnippets, inmakefile]):
+            # By default, the generated library should not be installed.
+            emit += 'noinst_%sLIBRARIES += %s.%s\n' % (
+                perhapsLT, libname, libext)
+
+        emit += '\n'
+        emit += '%s_%s_SOURCES =\n' % (libname, libext)
+        # Here we use $(LIBOBJS), not @LIBOBJS@. The value is the same. However,
+        # automake during its analysis looks for $(LIBOBJS), not for @LIBOBJS@.
+        emit += '%s_%s_LIBADD = $(%s_%sLIBOBJS)\n' % \
+            (libname, libext, macro_prefix, perhapsLT)
+        emit += '%s_%s_DEPENDENCIES = $(%s_%sLIBOBJS)\n' % \
+            (libname, libext, macro_prefix, perhapsLT)
+        emit += 'EXTRA_%s_%s_SOURCES =\n' % (libname, libext)
+        if libtool:
+            emit += '%s_%s_LDFLAGS = $(AM_LDFLAGS)\n' % (libname, libext)
+            emit += '%s_%s_LDFLAGS += -no-undefined\n' % (libname, libext)
+            # Synthesize an ${libname}_${libext}_LDFLAGS augmentation by combining
+            # the link dependencies of all modules.
+            listing = list()
+            links = [module.getLink()
+                     for module in modules if not module.isTests()]
+            for link in links:
+                link = constants.nlremove(link)
+                position = link.find(' when linking with libtool')
+                if position != -1:
+                    link = link[:position]
+                listing += [link]
+            listing = sorted(set([link for link in listing if link != '']))
+            for link in listing:
+                emit += '%s_%s_LDFLAGS += %s\n' % (libname, libext, link)
+        emit += '\n'
+        if pobase:
+            emit += 'AM_CPPFLAGS += -DDEFAULT_TEXT_DOMAIN="%s-gnulib"\n' % podomain
+            emit += '\n'
+        allsnippets = allsnippets.replace('$(top_srcdir)/build-aux/',
+                                          '$(top_srcdir)/%s/' % auxdir)
+        emit += allsnippets
+        emit += '\n'
+        emit += 'mostlyclean-local: mostlyclean-generic\n'
+        emit += '\t@for dir in \'\' $(MOSTLYCLEANDIRS); do \\\n'
+        emit += '\t  if test -n "$$dir" && test -d $$dir; then \\\n'
+        emit += '\t    echo "rmdir $$dir"; rmdir $$dir; \\\n'
+        emit += '\t  fi; \\\n'
+        emit += '\tdone; \\\n'
+        emit += '\t:\n'
+        emit = constants.nlconvert(emit)
+        if type(emit) is bytes:
+            emit = emit.decode(ENCS['default'])
+        result = tuple([emit, uses_subdirs])
+        return(result)
+
+    def tests_Makefile_am(self, destfile, modules, makefiletable,
+                          witness_macro, for_test):
+        '''GLEmiter.tests_Makefile_am(destfile, modules, makefiletable,
+             witness_c_macro, for_test) -> tuple of string and bool
+
+        Emit the contents of the tests Makefile. Returns string and a bool variable
+        which shows if subdirectories are used.
+        GLConfig: localdir, modules, libname, auxdir, makefile, libtool,
+        sourcebase, m4base, testsbase, macro_prefix, witness_c_macro,
+        single_configure, libtests.
+
+        destfile is a filename relative to destdir of Makefile being generated.
+        witness_macro is a string which represents witness_c_macro with the suffix.
+        modules is a list of GLModule instances.
+        moduletable is a GLModuleTable instance.
+        makefiletable is a GLMakefileTable instance.
+        actioncmd is a string variable, which represents the actioncmd; it can be
+          an empty string e.g. when user wants to generate files for GLTestDir.
+        for_test is a bool variable; it must be set to True if creating a package
+          for testing, False otherwise.'''
+        if type(destfile) is bytes or type(destfile) is string:
+            if type(destfile) is bytes:
+                destfile = destfile.decode(ENCS['default'])
+        else:  # if destfile has not bytes or string type
+            raise(TypeError('destfile must be a string, not %s' %
+                            type(destfile).__name__))
+        for module in modules:
+            if type(module) is not GLModule:
+                raise(TypeError('each module must be a GLModule instance'))
+        if type(makefiletable) is not GLMakefileTable:
+            raise(TypeError('makefiletable must be a GLMakefileTable, not %s' %
+                            type(makefiletable).__name__))
+        if type(witness_macro) is bytes or type(witness_macro) is string:
+            if type(witness_macro) is bytes:
+                witness_macro = witness_macro.decode(ENCS['default'])
+        else:  # if witness_macro has not bytes or string type
+            raise(TypeError('witness_macro must be a string, not %s' %
+                            type(witness_macro).__name__))
+        if type(for_test) is not bool:
+            raise(TypeError('for_test must be a bool, not %s' %
+                            type(for_test).__name__))
+        emit = string()
+        localdir = self.config['localdir']
+        auxdir = self.config['auxdir']
+        sourcebase = self.config['sourcebase']
+        modcache = self.config['modcache']
+        libname = self.config['libname']
+        m4base = self.config['m4base']
+        pobase = self.config['pobase']
+        testsbase = self.config['testsbase']
+        makefile = self.config['makefile']
+        libtool = self.config['libtool']
+        macro_prefix = self.config['macro_prefix']
+        podomain = self.config['podomain']
+        conddeps = self.config['conddeps']
+        witness_c_macro = self.config['witness_c_macro']
+        include_guard_prefix = self.config['include_guard_prefix']
+        ac_version = self.config['ac_version']
+        libtests = self.config['libtests']
+        single_configure = self.config['single_configure']
+
+        if libtool:
+            libext = 'la'
+            perhapsLT = 'LT'
+            LD_flags = False
+        else:  # if not libtool
+            libext = 'a'
+            perhapsLT = ''
+            LD_flags = True
+        if for_test:
+            # When creating a package for testing: Attempt to provoke failures,
+            # especially link errors, already during "make" rather than during
+            # "make check", because "make check" is not possible in a cross-compiling
+            # situation. Turn check_PROGRAMS into noinst_PROGRAMS.
+            check_PROGRAMS = True
+        else:  # if not for_test
+            check_PROGRAMS = False
+
+        # Calculate testsbase_inverse
+        counter = int()
+        testsbase_inverse = string()
+        while counter < len(testsbase.split('/')):
+            testsbase_inverse += '../'
+            counter += 1
+        testsbase_inverse = os.path.normpath(testsbase_inverse)
+
+        # Begin the generation.
+        emit += "## DO NOT EDIT! GENERATED AUTOMATICALLY!\n"
+        emit += "## Process this file with automake to produce Makefile.in.\n"
+        emit += '%s\n' % self.copyright_notice()
+
+        uses_subdirs = False
+        main_snippets = string()
+        longrun_snippets = string()
+        for module in modules:
+            if for_test and not single_configure:
+                flag = module.isTests()
+            else:  # if for_test and not single_configure
+                flag = True
+            if flag:
+                snippet = module.getAutomakeSnippet()
+                snippet = snippet.replace('lib_LIBRARIES', 'lib%_LIBRARIES')
+                snippet = snippet.replace(
+                    'lib_LTLIBRARIES', 'lib%_LTLIBRARIES')
+                if LD_flags:
+                    pattern = compiler(
+                        'lib_LDFLAGS[\t ]*\\+=(.*?)$', re.S | re.M)
+                    snippet = pattern.sub('', snippet)
+                pattern = compiler('lib_([A-Z][A-Z](?:.*?))', re.S | re.M)
+                snippet = pattern.sub('libtests_a_\\1', snippet)
+                snippet = snippet.replace('lib%_LIBRARIES', 'lib_LIBRARIES')
+                snippet = snippet.replace(
+                    'lib%_LTLIBRARIES', 'lib_LTLIBRARIES')
+                snippet = snippet.replace('${gl_include_guard_prefix}',
+                                          include_guard_prefix)
+                if check_PROGRAMS:
+                    snippet = snippet.replace(
+                        'check_PROGRAMS', 'noinst_PROGRAMS')
+                # Check if module is 'alloca'.
+                if libtests and str(module) == 'alloca':
+                    snippet += 'libtests_a_LIBADD += @%sALLOCA@\n' % perhapsLT
+                    snippet += 'libtests_a_DEPENDENCIES += @%sALLOCA@\n' % perhapsLT
+
+                # Skip the contents if it's entirely empty.
+                if snippet.strip():
+                    # Check status of the module.
+                    status = module.getStatus()
+                    islongrun = False
+                    for word in status:
+                        if word == 'longrunning-test':
+                            islongrun = True
+                            break
+                    if not islongrun:
+                        snippet = snippet.replace(
+                            '\n\nEXTRA_DIST', '\nEXTRA_DIST')
+                        main_snippets += '## begin gnulib module %s\n' % str(
+                            module)
+                        main_snippets += snippet
+                        main_snippets += '## end   gnulib module %s\n\n' % str(
+                            module)
+                    else:  # if islongrunning
+                        snippet = snippet.replace(
+                            '\n\nEXTRA_DIST', '\nEXTRA_DIST')
+                        longrun_snippets += '## begin gnulib module %s\n' % str(
+                            module)
+                        longrun_snippets += snippet
+                        longrun_snippets += '## end gnulib module %s\n' % str(
+                            module)
+
+                    # Test whether there are some source files in subdirectories.
+                    for file in module.getFiles():
+                        if file.startswith('lib/') and file.endswith('.c') and \
+                                file.count('/') > 1:
+                            uses_subdirs = True
+                            break
+
+        # Generate dependencies here, since it eases the debugging of test failures.
+        # If there are source files in subdirectories, prevent collision of the
+        # object files (example: hash.c and libxml/hash.c).
+        subdir_options = string()
+        if uses_subdirs:
+            subdir_options = string(' subdir-objects')
+        emit += 'AUTOMAKE_OPTIONS = 1.5 foreign%s\n\n' % subdir_options
+        if for_test and not single_configure:
+            emit += 'ACLOCAL_AMFLAGS = -I %s/%s\n\n' % (
+                testsbase_inverse, m4base)
+
+        # Nothing is being added to SUBDIRS; nevertheless the existence of this
+        # variable is needed to avoid an error from automake:
+        #   "AM_GNU_GETTEXT used but SUBDIRS not defined"
+        emit += 'SUBDIRS = .\n'
+        emit += 'TESTS =\n'
+        emit += 'XFAIL_TESTS =\n'
+        emit += 'TESTS_ENVIRONMENT =\n'
+        emit += 'noinst_PROGRAMS =\n'
+        if not for_test:
+            emit += 'check_PROGRAMS =\n'
+        emit += 'noinst_HEADERS =\n'
+        emit += 'noinst_LIBRARIES =\n'
+        if libtests:
+            if for_test:
+                emit += 'noinst_LIBRARIES += libtests.a\n'
+            else:  # if not for_test
+                emit += 'check_LIBRARIES = libtests.a\n'
+
+        # Automake versions < 1.11.4 create an empty pkgdatadir at
+        # installation time if you specify pkgdata_DATA to empty.
+        # See automake bugs #10997 and #11030:
+        #  * http://debbugs.gnu.org/10997
+        #  * http://debbugs.gnu.org/11030
+        # So we need this workaround.
+        pattern = compiler('^pkgdata_DATA *\\+=', re.S | re.M)
+        if bool(pattern.findall(main_snippets)) or \
+                bool(pattern.findall(longrun_snippets)):
+            emit += 'pkgdata_DATA =\n'
+
+        emit += 'EXTRA_DIST =\n'
+        emit += 'BUILT_SOURCES =\n'
+        emit += 'SUFFIXES =\n'
+        emit += 'MOSTLYCLEANFILES = core *.stackdump\n'
+        emit += 'MOSTLYCLEANDIRS =\n'
+        emit += 'CLEANFILES =\n'
+        emit += 'DISTCLEANFILES =\n'
+        emit += 'MAINTAINERCLEANFILES =\n'
+
+        # Execute edits that apply to the Makefile.am being generated.
+        # Execute edits that apply to the Makefile.am being generated.
+        current_edit = int()
+        makefile_am_edits = makefiletable.count()
+        while current_edit != makefile_am_edits:
+            dictionary = makefiletable[current_edit]
+            if dictionary['var']:
+                paths = list()
+                paths += [joinpath(dictionary['dir'], 'Makefile.am')]
+                paths += [os.path.normpath('./%s/Makefile.am' %
+                                           dictionary['dir'])]
+                paths = sorted(set(paths))
+                if destfile in paths:
+                    emit += '%s += %s\n' % (dictionary['var'],
+                                            dictionary['val'])
+            current_edit += 1
+
+        emit += '\nAM_CPPFLAGS = \\\n'
+        if for_test:
+            emit += '  -DGNULIB_STRICT_CHECKING=1 \\\n'
+        if witness_c_macro:
+            emit += '  -D%s=1 \\\n' % witness_c_macro
+        if witness_macro:
+            emit += '  -D@%s@=1 \\\n' % witness_macro
+        emit += '  -I. -I$(srcdir) \\\n'
+        emit += '  -I%s -I$(srcdir)/%s \\\n' % \
+            (testsbase_inverse, testsbase_inverse)
+        emit += '  -I%s/%s -I$(srcdir)/%s/%s\n' % \
+            (testsbase_inverse, sourcebase, testsbase_inverse, sourcebase)
+        emit += '\n'
 
+        local_ldadd_before = string()
+        local_ldadd_after = string()
+        if libtests:
+            # All test programs need to be linked with libtests.a.
+            # It needs to be passed to the linker before ${libname}.${libext}, since
+            # the tests-related modules depend on the main modules.
+            # It also needs to be passed to the linker after ${libname}.${libext}
+            # because the latter might contain incomplete modules (such as the
+            # 'error' module whose dependency to 'progname' is voluntarily omitted).
+            # The LIBTESTS_LIBDEPS can be passed to the linker once or twice, it does
+            # not matter.
+            local_ldadd_before = ' libtests.a'
+            local_ldadd_after = ' libtests.a $(LIBTESTS_LIBDEPS)'
+        emit += 'LDADD =%s %s/%s/%s.%s%s\n\n' % \
+            (local_ldadd_before, testsbase_inverse, sourcebase, libname, libext,
+             local_ldadd_after)
+        if libtests:
+            emit += 'libtests_a_SOURCES =\n'
+            # Here we use $(LIBOBJS), not @LIBOBJS@. The value is the same. However,
+            # automake during its analysis looks for $(LIBOBJS), not for @LIBOBJS@.
+            emit += 'libtests_a_LIBADD = $(%stests_LIBOBJS)\n' % macro_prefix
+            emit += 'libtests_a_DEPENDENCIES = $(%stests_LIBOBJS)\n' % macro_prefix
+            emit += 'EXTRA_libtests_a_SOURCES =\n'
+            # The circular dependency in LDADD requires this.
+            emit += 'AM_LIBTOOLFLAGS = --preserve-dup-deps\n\n'
+        # Many test scripts use ${EXEEXT} or ${srcdir}.
+        # EXEEXT is defined by AC_PROG_CC through autoconf.
+        # srcdir is defined by autoconf and automake.
+        emit += "TESTS_ENVIRONMENT += EXEEXT='@EXEEXT@' srcdir='$(srcdir)'\n\n"
+        main_snippets = main_snippets.replace('$(top_srcdir)/build-aux/',
+                                              '$(top_srcdir)/%s/' % auxdir)
+        longrun_snippets = longrun_snippets.replace('$(top_srcdir)/build-aux/',
+                                                    '$(top_srcdir)/%s/' % auxdir)
+        emit += main_snippets + longrun_snippets
+        emit += '# Clean up after Solaris cc.\n'
+        emit += 'clean-local:\n'
+        emit += '\trm -rf SunWS_cache\n\n'
+        emit += 'mostlyclean-local: mostlyclean-generic\n'
+        emit += '\t@for dir in \'\' $(MOSTLYCLEANDIRS); do \\\n'
+        emit += '\t  if test -n "$$dir" && test -d $$dir; then \\\n'
+        emit += '\t    echo "rmdir $$dir"; rmdir $$dir; \\\n'
+        emit += '\t  fi; \\\n'
+        emit += '\tdone; \\\n'
+        emit += '\t:\n'
+        emit = constants.nlconvert(emit)
+        if type(emit) is bytes:
+            emit = emit.decode(ENCS['default'])
+        result = tuple([emit, uses_subdirs])
+        return(result)