diff options
Diffstat (limited to 'setuptools/_distutils/cygwinccompiler.py')
| -rw-r--r-- | setuptools/_distutils/cygwinccompiler.py | 91 |
1 files changed, 51 insertions, 40 deletions
diff --git a/setuptools/_distutils/cygwinccompiler.py b/setuptools/_distutils/cygwinccompiler.py index 66c12dd3..f1c38e39 100644 --- a/setuptools/_distutils/cygwinccompiler.py +++ b/setuptools/_distutils/cygwinccompiler.py @@ -44,6 +44,8 @@ cygwin in no-cygwin mode). # (ld supports -shared) # * mingw gcc 3.2/ld 2.13 works # (ld supports -shared) +# * llvm-mingw with Clang 11 works +# (lld supports -shared) import os import sys @@ -109,41 +111,46 @@ class CygwinCCompiler(UnixCCompiler): "Compiling may fail because of undefined preprocessor macros." % details) - self.gcc_version, self.ld_version, self.dllwrap_version = \ - get_versions() - self.debug_print(self.compiler_type + ": gcc %s, ld %s, dllwrap %s\n" % - (self.gcc_version, - self.ld_version, - self.dllwrap_version) ) - - # ld_version >= "2.10.90" and < "2.13" should also be able to use - # gcc -mdll instead of dllwrap - # Older dllwraps had own version numbers, newer ones use the - # same as the rest of binutils ( also ld ) - # dllwrap 2.10.90 is buggy - if self.ld_version >= "2.10.90": - self.linker_dll = "gcc" - else: - self.linker_dll = "dllwrap" + self.cc = os.environ.get('CC', 'gcc') + self.cxx = os.environ.get('CXX', 'g++') + + if ('gcc' in self.cc): # Start gcc workaround + self.gcc_version, self.ld_version, self.dllwrap_version = \ + get_versions() + self.debug_print(self.compiler_type + ": gcc %s, ld %s, dllwrap %s\n" % + (self.gcc_version, + self.ld_version, + self.dllwrap_version) ) + + # ld_version >= "2.10.90" and < "2.13" should also be able to use + # gcc -mdll instead of dllwrap + # Older dllwraps had own version numbers, newer ones use the + # same as the rest of binutils ( also ld ) + # dllwrap 2.10.90 is buggy + if self.ld_version >= "2.10.90": + self.linker_dll = self.cc + else: + self.linker_dll = "dllwrap" - # ld_version >= "2.13" support -shared so use it instead of - # -mdll -static - if self.ld_version >= "2.13": + # ld_version >= "2.13" support -shared so use it instead of + # -mdll -static + if self.ld_version >= "2.13": + shared_option = "-shared" + else: + shared_option = "-mdll -static" + else: # Assume linker is up to date + self.linker_dll = self.cc shared_option = "-shared" - else: - shared_option = "-mdll -static" - # Hard-code GCC because that's what this is all about. - # XXX optimization, warnings etc. should be customizable. - self.set_executables(compiler='gcc -mcygwin -O -Wall', - compiler_so='gcc -mcygwin -mdll -O -Wall', - compiler_cxx='g++ -mcygwin -O -Wall', - linker_exe='gcc -mcygwin', + self.set_executables(compiler='%s -mcygwin -O -Wall' % self.cc, + compiler_so='%s -mcygwin -mdll -O -Wall' % self.cc, + compiler_cxx='%s -mcygwin -O -Wall' % self.cxx, + linker_exe='%s -mcygwin' % self.cc, linker_so=('%s -mcygwin %s' % (self.linker_dll, shared_option))) # cygwin and mingw32 need different sets of libraries - if self.gcc_version == "2.91.57": + if ('gcc' in self.cc and self.gcc_version == "2.91.57"): # cygwin shouldn't need msvcrt, but without the dlls will crash # (gcc version 2.91.57) -- perhaps something about initialization self.dll_libraries=["msvcrt"] @@ -281,26 +288,26 @@ class Mingw32CCompiler(CygwinCCompiler): # ld_version >= "2.13" support -shared so use it instead of # -mdll -static - if self.ld_version >= "2.13": - shared_option = "-shared" - else: + if ('gcc' in self.cc and self.ld_version < "2.13"): shared_option = "-mdll -static" + else: + shared_option = "-shared" # A real mingw32 doesn't need to specify a different entry point, # but cygwin 2.91.57 in no-cygwin-mode needs it. - if self.gcc_version <= "2.91.57": + if ('gcc' in self.cc and self.gcc_version <= "2.91.57"): entry_point = '--entry _DllMain@12' else: entry_point = '' - if is_cygwingcc(): + if is_cygwincc(self.cc): raise CCompilerError( 'Cygwin gcc cannot be used with --compiler=mingw32') - self.set_executables(compiler='gcc -O -Wall', - compiler_so='gcc -mdll -O -Wall', - compiler_cxx='g++ -O -Wall', - linker_exe='gcc', + self.set_executables(compiler='%s -O -Wall' % self.cc, + compiler_so='%s -mdll -O -Wall' % self.cc, + compiler_cxx='%s -O -Wall' % self.cxx, + linker_exe='%s' % self.cc, linker_so='%s %s %s' % (self.linker_dll, shared_option, entry_point)) @@ -351,6 +358,10 @@ def check_config_h(): if "GCC" in sys.version: return CONFIG_H_OK, "sys.version mentions 'GCC'" + # Clang would also work + if "Clang" in sys.version: + return CONFIG_H_OK, "sys.version mentions 'Clang'" + # let's see if __GNUC__ is mentioned in python.h fn = sysconfig.get_config_h_filename() try: @@ -397,7 +408,7 @@ def get_versions(): commands = ['gcc -dumpversion', 'ld -v', 'dllwrap --version'] return tuple([_find_exe_version(cmd) for cmd in commands]) -def is_cygwingcc(): - '''Try to determine if the gcc that would be used is from cygwin.''' - out_string = check_output(['gcc', '-dumpmachine']) +def is_cygwincc(cc): + '''Try to determine if the compiler that would be used is from cygwin.''' + out_string = check_output([cc, '-dumpmachine']) return out_string.strip().endswith(b'cygwin') |