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environment: Use GNU defines to get version of c, c++, objc and fortran 

According to
https://gcc.gnu.org/onlinedocs/cpp/Common-Predefined-Macros.html,
the macros used to get the version are always defined for those
languages, so use them to get the version.
This commit is contained in:
Paulo Antonio Alvarez 2016-11-11 07:40:22 -02:00
parent 582e1ede80
commit 1e54a5e73c
1 changed files with 4 additions and 0 deletions
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4
mesonbuild/environment.py
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@ -392,6 +392,7 @@ class Environment():
popen_exceptions[compiler] = 'no pre-processor defines'
continue
gtype = self.get_gnu_compiler_type(defines)
version = self.get_gnu_version_from_defines(defines)
return GnuCCompiler(ccache + [compiler], version, gtype, is_cross, exe_wrap, defines)
if 'clang' in out:
if 'Apple' in out:
@ -450,6 +451,7 @@ class Environment():
popen_exceptions[compiler] = 'no pre-processor defines'
continue
gtype = self.get_gnu_compiler_type(defines)
version = self.get_gnu_version_from_defines(defines)
return GnuFortranCompiler([compiler], version, gtype, is_cross, exe_wrap, defines)
if 'G95' in out:
@ -531,6 +533,7 @@ class Environment():
popen_exceptions[compiler] = 'no pre-processor defines'
continue
gtype = self.get_gnu_compiler_type(defines)
version = self.get_gnu_version_from_defines(defines)
return GnuCPPCompiler(ccache + [compiler], version, gtype, is_cross, exe_wrap, defines)
if 'clang' in out:
if 'Apple' in out:
@ -570,6 +573,7 @@ class Environment():
version = search_version(out)
if 'Free Software Foundation' in out:
defines = self.get_gnu_compiler_defines(exelist)
version = self.get_gnu_version_from_defines(defines)
return GnuObjCCompiler(exelist, version, is_cross, exe_wrap, defines)
if out.startswith('Apple LLVM'):
return ClangObjCCompiler(exelist, version, CLANG_OSX, is_cross, exe_wrap)