diff options
Diffstat (limited to 'doc/user/environments.xml')
| -rw-r--r-- | doc/user/environments.xml | 252 |
1 files changed, 122 insertions, 130 deletions
diff --git a/doc/user/environments.xml b/doc/user/environments.xml index 0a4192f8..b9585cb3 100644 --- a/doc/user/environments.xml +++ b/doc/user/environments.xml @@ -490,10 +490,10 @@ environment, of directory names, suffixes, etc. <scons_example name="environments_ex1"> <file name="SConstruct" printme="1"> - import os +import os </file> <file name="foo.c"> - int main() { } +int main() { } </file> </scons_example> @@ -546,7 +546,7 @@ environment, of directory names, suffixes, etc. </para> <sconstruct> - env = Environment() +env = Environment() </sconstruct> <para> @@ -579,13 +579,13 @@ environment, of directory names, suffixes, etc. <scons_example name="environments_ex1"> <file name="SConstruct" printme="1"> - env = Environment(CC = 'gcc', - CCFLAGS = '-O2') + env = Environment(CC = 'gcc', + CCFLAGS = '-O2') - env.Program('foo.c') + env.Program('foo.c') </file> <file name="foo.c"> - int main() { } +int main() { } </file> </scons_example> @@ -626,8 +626,8 @@ environment, of directory names, suffixes, etc. <scons_example name="environments_ex6"> <file name="SConstruct" printme="1"> - env = Environment() - print "CC is:", env['CC'] +env = Environment() +print "CC is:", env['CC'] </file> </scons_example> @@ -655,10 +655,10 @@ environment, of directory names, suffixes, etc. <scons_example name="environments_ex6b"> <file name="SConstruct" printme="1"> - env = Environment(FOO = 'foo', BAR = 'bar') - dict = env.Dictionary() - for key in ['OBJSUFFIX', 'LIBSUFFIX', 'PROGSUFFIX']: - print "key = %s, value = %s" % (key, dict[key]) +env = Environment(FOO = 'foo', BAR = 'bar') +dict = env.Dictionary() +for key in ['OBJSUFFIX', 'LIBSUFFIX', 'PROGSUFFIX']: + print "key = %s, value = %s" % (key, dict[key]) </file> </scons_example> @@ -693,9 +693,9 @@ environment, of directory names, suffixes, etc. </para> <sconstruct> - env = Environment() - for item in sorted(env.Dictionary().items()): - print "construction variable = '%s', value = '%s'" % item +env = Environment() +for item in sorted(env.Dictionary().items()): + print "construction variable = '%s', value = '%s'" % item </sconstruct> </section> @@ -720,8 +720,8 @@ environment, of directory names, suffixes, etc. </para> <sconstruct> - env = Environment() - print "CC is:", env.subst('$CC') +env = Environment() +print "CC is:", env.subst('$CC') </sconstruct> <para> @@ -737,8 +737,8 @@ environment, of directory names, suffixes, etc. </para> <sconstruct> - env = Environment(CCFLAGS = '-DFOO') - print "CCCOM is:", env['CCCOM'] +env = Environment(CCFLAGS = '-DFOO') +print "CCCOM is:", env['CCCOM'] </sconstruct> <para> @@ -750,9 +750,9 @@ environment, of directory names, suffixes, etc. </para> <screen> - % <userinput>scons -Q</userinput> - CCCOM is: $CC $CCFLAGS $CPPFLAGS $_CPPDEFFLAGS $_CPPINCFLAGS -c -o $TARGET $SOURCES - scons: `.' is up to date. +% <userinput>scons -Q</userinput> +CCCOM is: $CC $CCFLAGS $CPPFLAGS $_CPPDEFFLAGS $_CPPINCFLAGS -c -o $TARGET $SOURCES +scons: `.' is up to date. </screen> <para> @@ -763,8 +763,8 @@ environment, of directory names, suffixes, etc. </para> <sconstruct> - env = Environment(CCFLAGS = '-DFOO') - print "CCCOM is:", env.subst('$CCCOM') +env = Environment(CCFLAGS = '-DFOO') +print "CCCOM is:", env.subst('$CCCOM') </sconstruct> <para> @@ -777,9 +777,9 @@ environment, of directory names, suffixes, etc. </para> <screen> - % <userinput>scons -Q</userinput> - CCCOM is: gcc -DFOO -c -o - scons: `.' is up to date. +% <userinput>scons -Q</userinput> +CCCOM is: gcc -DFOO -c -o +scons: `.' is up to date. </screen> <para> @@ -805,8 +805,8 @@ environment, of directory names, suffixes, etc. <scons_example name="environments_missing1"> <file name="SConstruct" printme="1"> - env = Environment() - print "value is:", env.subst( '->$MISSING<-' ) +env = Environment() +print "value is:", env.subst( '->$MISSING<-' ) </file> </scons_example> @@ -832,9 +832,9 @@ environment, of directory names, suffixes, etc. <scons_example name="environments_missing2"> <file name="SConstruct" printme="1"> - AllowSubstExceptions() - env = Environment() - print "value is:", env.subst( '->$MISSING<-' ) +AllowSubstExceptions() +env = Environment() +print "value is:", env.subst( '->$MISSING<-' ) </file> </scons_example> @@ -852,17 +852,15 @@ environment, of directory names, suffixes, etc. <scons_example name="environments_missing3"> <file name="SConstruct" printme="1"> - AllowSubstExceptions(IndexError, NameError, ZeroDivisionError) - env = Environment() - print "value is:", env.subst( '->${1 / 0}<-' ) +AllowSubstExceptions(IndexError, NameError, ZeroDivisionError) +env = Environment() +print "value is:", env.subst( '->${1 / 0}<-' ) </file> </scons_example> <scons_output example="environments_missing3" suffix="1"> <scons_output_command>scons -Q</scons_output_command> </scons_output> - <sconstruct> - </sconstruct> <para> If &AllowSubstExceptions; is called multiple times, each call @@ -903,9 +901,7 @@ environment, of directory names, suffixes, etc. </para> <sconstruct> - - DefaultEnvironment(CC = '/usr/local/bin/gcc') - +DefaultEnvironment(CC = '/usr/local/bin/gcc') </sconstruct> <para> @@ -937,10 +933,8 @@ environment, of directory names, suffixes, etc. </para> <sconstruct> - - env = DefaultEnvironment() - env['CC'] = '/usr/local/bin/gcc' - +env = DefaultEnvironment() +env['CC'] = '/usr/local/bin/gcc' </sconstruct> <para> @@ -966,10 +960,8 @@ environment, of directory names, suffixes, etc. </para> <sconstruct> - - env = DefaultEnvironment(tools = ['gcc', 'gnulink'], - CC = '/usr/local/bin/gcc') - +env = DefaultEnvironment(tools = ['gcc', 'gnulink'], + CC = '/usr/local/bin/gcc') </sconstruct> <para> @@ -1005,18 +997,18 @@ environment, of directory names, suffixes, etc. <scons_example name="environments_ex2"> <file name="SConstruct" printme="1"> - opt = Environment(CCFLAGS = '-O2') - dbg = Environment(CCFLAGS = '-g') +opt = Environment(CCFLAGS = '-O2') +dbg = Environment(CCFLAGS = '-g') - opt.Program('foo', 'foo.c') +opt.Program('foo', 'foo.c') - dbg.Program('bar', 'bar.c') +dbg.Program('bar', 'bar.c') </file> <file name="foo.c"> - int main() { } +int main() { } </file> <file name="bar.c"> - int main() { } +int main() { } </file> </scons_example> @@ -1036,15 +1028,15 @@ environment, of directory names, suffixes, etc. <scons_example name="environments_ex3"> <file name="SConstruct" printme="1"> - opt = Environment(CCFLAGS = '-O2') - dbg = Environment(CCFLAGS = '-g') +opt = Environment(CCFLAGS = '-O2') +dbg = Environment(CCFLAGS = '-g') - opt.Program('foo', 'foo.c') +opt.Program('foo', 'foo.c') - dbg.Program('foo', 'foo.c') +dbg.Program('foo', 'foo.c') </file> <file name="foo.c"> - int main() { } +int main() { } </file> </scons_example> @@ -1081,17 +1073,17 @@ environment, of directory names, suffixes, etc. <scons_example name="environments_ex4"> <file name="SConstruct" printme="1"> - opt = Environment(CCFLAGS = '-O2') - dbg = Environment(CCFLAGS = '-g') +opt = Environment(CCFLAGS = '-O2') +dbg = Environment(CCFLAGS = '-g') - o = opt.Object('foo-opt', 'foo.c') - opt.Program(o) +o = opt.Object('foo-opt', 'foo.c') +opt.Program(o) - d = dbg.Object('foo-dbg', 'foo.c') - dbg.Program(d) +d = dbg.Object('foo-dbg', 'foo.c') +dbg.Program(d) </file> <file name="foo.c"> - int main() { } +int main() { } </file> </scons_example> @@ -1149,20 +1141,20 @@ environment, of directory names, suffixes, etc. <scons_example name="environments_ex5"> <file name="SConstruct" printme="1"> - env = Environment(CC = 'gcc') - opt = env.Clone(CCFLAGS = '-O2') - dbg = env.Clone(CCFLAGS = '-g') +env = Environment(CC = 'gcc') +opt = env.Clone(CCFLAGS = '-O2') +dbg = env.Clone(CCFLAGS = '-g') - env.Program('foo', 'foo.c') +env.Program('foo', 'foo.c') - o = opt.Object('foo-opt', 'foo.c') - opt.Program(o) +o = opt.Object('foo-opt', 'foo.c') +opt.Program(o) - d = dbg.Object('foo-dbg', 'foo.c') - dbg.Program(d) +d = dbg.Object('foo-dbg', 'foo.c') +dbg.Program(d) </file> <file name="foo.c"> - int main() { } +int main() { } </file> </scons_example> @@ -1190,12 +1182,12 @@ environment, of directory names, suffixes, etc. <scons_example name="environments_Replace1"> <file name="SConstruct" printme="1"> - env = Environment(CCFLAGS = '-DDEFINE1') - env.Replace(CCFLAGS = '-DDEFINE2') - env.Program('foo.c') +env = Environment(CCFLAGS = '-DDEFINE1') +env.Replace(CCFLAGS = '-DDEFINE2') +env.Program('foo.c') </file> <file name="foo.c"> - int main() { } +int main() { } </file> </scons_example> @@ -1222,9 +1214,9 @@ environment, of directory names, suffixes, etc. <scons_example name="environments_Replace-nonexistent"> <file name="SConstruct" printme="1"> - env = Environment() - env.Replace(NEW_VARIABLE = 'xyzzy') - print "NEW_VARIABLE =", env['NEW_VARIABLE'] +env = Environment() +env.Replace(NEW_VARIABLE = 'xyzzy') +print "NEW_VARIABLE =", env['NEW_VARIABLE'] </file> </scons_example> @@ -1258,19 +1250,19 @@ environment, of directory names, suffixes, etc. <scons_example name="environments_Replace2"> <file name="SConstruct" printme="1"> - env = Environment(CCFLAGS = '-DDEFINE1') - print "CCFLAGS =", env['CCFLAGS'] - env.Program('foo.c') +env = Environment(CCFLAGS = '-DDEFINE1') +print "CCFLAGS =", env['CCFLAGS'] +env.Program('foo.c') - env.Replace(CCFLAGS = '-DDEFINE2') - print "CCFLAGS =", env['CCFLAGS'] - env.Program('bar.c') +env.Replace(CCFLAGS = '-DDEFINE2') +print "CCFLAGS =", env['CCFLAGS'] +env.Program('bar.c') </file> <file name="foo.c"> - int main() { } +int main() { } </file> <file name="bar.c"> - int main() { } +int main() { } </file> </scons_example> @@ -1321,7 +1313,7 @@ environment, of directory names, suffixes, etc. </para> <sconstruct> - env.SetDefault(SPECIAL_FLAG = '-extra-option') +env.SetDefault(SPECIAL_FLAG = '-extra-option') </sconstruct> <para> @@ -1352,12 +1344,12 @@ environment, of directory names, suffixes, etc. <scons_example name="environments_ex8"> <file name="SConstruct" printme="1"> - env = Environment(CCFLAGS = ['-DMY_VALUE']) - env.Append(CCFLAGS = ['-DLAST']) - env.Program('foo.c') +env = Environment(CCFLAGS = ['-DMY_VALUE']) +env.Append(CCFLAGS = ['-DLAST']) +env.Program('foo.c') </file> <file name="foo.c"> - int main() { } +int main() { } </file> </scons_example> @@ -1381,9 +1373,9 @@ environment, of directory names, suffixes, etc. <scons_example name="environments_Append-nonexistent"> <file name="SConstruct" printme="1"> - env = Environment() - env.Append(NEW_VARIABLE = 'added') - print "NEW_VARIABLE =", env['NEW_VARIABLE'] +env = Environment() +env.Append(NEW_VARIABLE = 'added') +print "NEW_VARIABLE =", env['NEW_VARIABLE'] </file> </scons_example> @@ -1425,7 +1417,7 @@ environment, of directory names, suffixes, etc. </para> <sconstruct> - env.AppendUnique(CCFLAGS=['-g']) +env.AppendUnique(CCFLAGS=['-g']) </sconstruct> <para> @@ -1452,12 +1444,12 @@ environment, of directory names, suffixes, etc. <scons_example name="environments_ex9"> <file name="SConstruct" printme="1"> - env = Environment(CCFLAGS = ['-DMY_VALUE']) - env.Prepend(CCFLAGS = ['-DFIRST']) - env.Program('foo.c') +env = Environment(CCFLAGS = ['-DMY_VALUE']) +env.Prepend(CCFLAGS = ['-DFIRST']) +env.Program('foo.c') </file> <file name="foo.c"> - int main() { } +int main() { } </file> </scons_example> @@ -1481,9 +1473,9 @@ environment, of directory names, suffixes, etc. <scons_example name="environments_Prepend-nonexistent"> <file name="SConstruct" printme="1"> - env = Environment() - env.Prepend(NEW_VARIABLE = 'added') - print "NEW_VARIABLE =", env['NEW_VARIABLE'] +env = Environment() +env.Prepend(NEW_VARIABLE = 'added') +print "NEW_VARIABLE =", env['NEW_VARIABLE'] </file> </scons_example> @@ -1527,7 +1519,7 @@ environment, of directory names, suffixes, etc. </para> <sconstruct> - env.PrependUnique(CCFLAGS=['-g']) +env.PrependUnique(CCFLAGS=['-g']) </sconstruct> <para> @@ -1598,8 +1590,8 @@ environment, of directory names, suffixes, etc. </para> <sconstruct> - path = ['/usr/local/bin', '/bin', '/usr/bin'] - env = Environment(ENV = {'PATH' : path}) +path = ['/usr/local/bin', '/bin', '/usr/bin'] +env = Environment(ENV = {'PATH' : path}) </sconstruct> <para> @@ -1618,7 +1610,7 @@ environment, of directory names, suffixes, etc. </para> <sconstruct> - env['ENV']['PATH'] = ['/usr/local/bin', '/bin', '/usr/bin'] +env['ENV']['PATH'] = ['/usr/local/bin', '/bin', '/usr/bin'] </sconstruct> <para> @@ -1631,7 +1623,7 @@ environment, of directory names, suffixes, etc. </para> <sconstruct> - env['ENV']['PATH'] = '/usr/local/bin:/bin:/usr/bin' +env['ENV']['PATH'] = '/usr/local/bin:/bin:/usr/bin' </sconstruct> <para> @@ -1646,19 +1638,19 @@ environment, of directory names, suffixes, etc. <scons_example name="environments_ex1"> <file name="SConstruct" printme="1"> - env = Environment() - env.Command('foo', [], '__ROOT__/usr/bin/printenv.py') +env = Environment() +env.Command('foo', [], '__ROOT__/usr/bin/printenv.py') </file> <file name="__ROOT__/usr/bin/printenv.py" chmod="0755"> - #!/usr/bin/env python - import os - import sys - if len(sys.argv) > 1: - keys = sys.argv[1:] - else: - keys = sorted(os.environ.keys()) - for key in keys: - print " " + key + "=" + os.environ[key] +#!/usr/bin/env python +import os +import sys +if len(sys.argv) > 1: + keys = sys.argv[1:] +else: + keys = sorted(os.environ.keys()) +for key in keys: + print " " + key + "=" + os.environ[key] </file> </scons_example> @@ -1689,8 +1681,8 @@ environment, of directory names, suffixes, etc. </para> <sconstruct> - import os - env = Environment(ENV = {'PATH' : os.environ['PATH']}) +import os +env = Environment(ENV = {'PATH' : os.environ['PATH']}) </sconstruct> <para> @@ -1705,8 +1697,8 @@ environment, of directory names, suffixes, etc. </para> <sconstruct> - import os - env = Environment(ENV = os.environ) +import os +env = Environment(ENV = os.environ) </sconstruct> <para> @@ -1752,9 +1744,9 @@ environment, of directory names, suffixes, etc. </para> <sconstruct> - env = Environment(ENV = os.environ) - env.PrependENVPath('PATH', '/usr/local/bin') - env.AppendENVPath('LIB', '/usr/local/lib') +env = Environment(ENV = os.environ) +env.PrependENVPath('PATH', '/usr/local/bin') +env.AppendENVPath('LIB', '/usr/local/lib') </sconstruct> <para> |