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python: add C++ compiler support for distutils

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This should help with builds against clang
This commit is contained in:
Dmitry Kalinkin 2016-10-15 17:51:09 -04:00
parent 80433e7030
commit 095095c479
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GPG key ID: 5157B3EC8B2CA333
4 changed files with 299 additions and 1 deletions
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9
pkgs/development/interpreters/python/cpython/2.7/default.nix
View file

@ -82,6 +82,15 @@ let
./2.7.3-dylib.patch
./2.7.3-getpath-exe-extension.patch
./2.7.3-no-libm.patch
] ++ optionals (!(stdenv.cc.isGNU or false)) [
# Patch from http://bugs.python.org/issue1222585 adapted to work with
# `patch -p1' and with a last hunk removed
# Upstream distutils is calling C compiler to compile C++ code, which
# only works for GCC and Apple Clang. This makes distutils to call C++
# compiler when needed.
./python-2.7-distutils-C++.patch
];
preConfigure = ''

260
pkgs/development/interpreters/python/cpython/2.7/python-2.7-distutils-C++.patch Normal file
View file

@ -0,0 +1,260 @@
--- a/Lib/distutils/cygwinccompiler.py
+++ b/Lib/distutils/cygwinccompiler.py
@@ -117,8 +117,10 @@
# dllwrap 2.10.90 is buggy
if self.ld_version >= "2.10.90":
self.linker_dll = "gcc"
+ self.linker_dll_cxx = "g++"
else:
self.linker_dll = "dllwrap"
+ self.linker_dll_cxx = "dllwrap"
# ld_version >= "2.13" support -shared so use it instead of
# -mdll -static
@@ -132,9 +134,13 @@
self.set_executables(compiler='gcc -mcygwin -O -Wall',
compiler_so='gcc -mcygwin -mdll -O -Wall',
compiler_cxx='g++ -mcygwin -O -Wall',
+ compiler_so_cxx='g++ -mcygwin -mdll -O -Wall',
linker_exe='gcc -mcygwin',
linker_so=('%s -mcygwin %s' %
- (self.linker_dll, shared_option)))
+ (self.linker_dll, shared_option)),
+ linker_exe_cxx='g++ -mcygwin',
+ linker_so_cxx=('%s -mcygwin %s' %
+ (self.linker_dll_cxx, shared_option)))
# cygwin and mingw32 need different sets of libraries
if self.gcc_version == "2.91.57":
@@ -160,8 +166,12 @@
raise CompileError, msg
else: # for other files use the C-compiler
try:
- self.spawn(self.compiler_so + cc_args + [src, '-o', obj] +
- extra_postargs)
+ if self.detect_language(src) == 'c++':
+ self.spawn(self.compiler_so_cxx + cc_args + [src, '-o', obj] +
+ extra_postargs)
+ else:
+ self.spawn(self.compiler_so + cc_args + [src, '-o', obj] +
+ extra_postargs)
except DistutilsExecError, msg:
raise CompileError, msg
@@ -327,9 +337,14 @@
self.set_executables(compiler='gcc%s -O -Wall' % no_cygwin,
compiler_so='gcc%s -mdll -O -Wall' % no_cygwin,
compiler_cxx='g++%s -O -Wall' % no_cygwin,
+ compiler_so_cxx='g++%s -mdll -O -Wall' % no_cygwin,
linker_exe='gcc%s' % no_cygwin,
linker_so='%s%s %s %s'
% (self.linker_dll, no_cygwin,
+ shared_option, entry_point),
+ linker_exe_cxx='g++%s' % no_cygwin,
+ linker_so_cxx='%s%s %s %s'
+ % (self.linker_dll_cxx, no_cygwin,
shared_option, entry_point))
# Maybe we should also append -mthreads, but then the finished
# dlls need another dll (mingwm10.dll see Mingw32 docs)
--- a/Lib/distutils/emxccompiler.py
+++ b/Lib/distutils/emxccompiler.py
@@ -65,8 +65,12 @@
# XXX optimization, warnings etc. should be customizable.
self.set_executables(compiler='gcc -Zomf -Zmt -O3 -fomit-frame-pointer -mprobe -Wall',
compiler_so='gcc -Zomf -Zmt -O3 -fomit-frame-pointer -mprobe -Wall',
+ compiler_cxx='g++ -Zomf -Zmt -O3 -fomit-frame-pointer -mprobe -Wall',
+ compiler_so_cxx='g++ -Zomf -Zmt -O3 -fomit-frame-pointer -mprobe -Wall',
linker_exe='gcc -Zomf -Zmt -Zcrtdll',
- linker_so='gcc -Zomf -Zmt -Zcrtdll -Zdll')
+ linker_so='gcc -Zomf -Zmt -Zcrtdll -Zdll',
+ linker_exe_cxx='g++ -Zomf -Zmt -Zcrtdll',
+ linker_so_cxx='g++ -Zomf -Zmt -Zcrtdll -Zdll')
# want the gcc library statically linked (so that we don't have
# to distribute a version dependent on the compiler we have)
@@ -83,8 +87,12 @@
raise CompileError, msg
else: # for other files use the C-compiler
try:
- self.spawn(self.compiler_so + cc_args + [src, '-o', obj] +
- extra_postargs)
+ if self.detect_language(src) == 'c++':
+ self.spawn(self.compiler_so_cxx + cc_args + [src, '-o', obj] +
+ extra_postargs)
+ else:
+ self.spawn(self.compiler_so + cc_args + [src, '-o', obj] +
+ extra_postargs)
except DistutilsExecError, msg:
raise CompileError, msg
--- a/Lib/distutils/sysconfig.py
+++ b/Lib/distutils/sysconfig.py
@@ -170,10 +170,12 @@
_osx_support.customize_compiler(_config_vars)
_config_vars['CUSTOMIZED_OSX_COMPILER'] = 'True'
- (cc, cxx, opt, cflags, ccshared, ldshared, so_ext, ar, ar_flags) = \
- get_config_vars('CC', 'CXX', 'OPT', 'CFLAGS',
- 'CCSHARED', 'LDSHARED', 'SO', 'AR',
- 'ARFLAGS')
+ (cc, cxx, ccshared, ldshared, ldcxxshared, so_ext, ar, ar_flags) = \
+ get_config_vars('CC', 'CXX', 'CCSHARED', 'LDSHARED', 'LDCXXSHARED',
+ 'SO', 'AR', 'ARFLAGS')
+
+ cflags = ''
+ cxxflags = ''
if 'CC' in os.environ:
newcc = os.environ['CC']
@@ -188,19 +190,27 @@
cxx = os.environ['CXX']
if 'LDSHARED' in os.environ:
ldshared = os.environ['LDSHARED']
+ if 'LDCXXSHARED' in os.environ:
+ ldcxxshared = os.environ['LDCXXSHARED']
if 'CPP' in os.environ:
cpp = os.environ['CPP']
else:
cpp = cc + " -E" # not always
if 'LDFLAGS' in os.environ:
ldshared = ldshared + ' ' + os.environ['LDFLAGS']
+ ldcxxshared = ldcxxshared + ' ' + os.environ['LDFLAGS']
if 'CFLAGS' in os.environ:
- cflags = opt + ' ' + os.environ['CFLAGS']
+ cflags = os.environ['CFLAGS']
ldshared = ldshared + ' ' + os.environ['CFLAGS']
+ if 'CXXFLAGS' in os.environ:
+ cxxflags = os.environ['CXXFLAGS']
+ ldcxxshared = ldcxxshared + ' ' + os.environ['CXXFLAGS']
if 'CPPFLAGS' in os.environ:
cpp = cpp + ' ' + os.environ['CPPFLAGS']
cflags = cflags + ' ' + os.environ['CPPFLAGS']
+ cxxflags = cxxflags + ' ' + os.environ['CPPFLAGS']
ldshared = ldshared + ' ' + os.environ['CPPFLAGS']
+ ldcxxshared = ldcxxshared + ' ' + os.environ['CPPFLAGS']
if 'AR' in os.environ:
ar = os.environ['AR']
if 'ARFLAGS' in os.environ:
@@ -209,13 +219,17 @@
archiver = ar + ' ' + ar_flags
cc_cmd = cc + ' ' + cflags
+ cxx_cmd = cxx + ' ' + cxxflags
compiler.set_executables(
preprocessor=cpp,
compiler=cc_cmd,
compiler_so=cc_cmd + ' ' + ccshared,
- compiler_cxx=cxx,
+ compiler_cxx=cxx_cmd,
+ compiler_so_cxx=cxx_cmd + ' ' + ccshared,
linker_so=ldshared,
linker_exe=cc,
+ linker_so_cxx=ldcxxshared,
+ linker_exe_cxx=cxx,
archiver=archiver)
compiler.shared_lib_extension = so_ext
--- a/Lib/distutils/unixccompiler.py
+++ b/Lib/distutils/unixccompiler.py
@@ -55,14 +55,17 @@
# are pretty generic; they will probably have to be set by an outsider
# (eg. using information discovered by the sysconfig about building
# Python extensions).
- executables = {'preprocessor' : None,
- 'compiler' : ["cc"],
- 'compiler_so' : ["cc"],
- 'compiler_cxx' : ["cc"],
- 'linker_so' : ["cc", "-shared"],
- 'linker_exe' : ["cc"],
- 'archiver' : ["ar", "-cr"],
- 'ranlib' : None,
+ executables = {'preprocessor' : None,
+ 'compiler' : ["cc"],
+ 'compiler_so' : ["cc"],
+ 'compiler_cxx' : ["c++"],
+ 'compiler_so_cxx' : ["c++"],
+ 'linker_so' : ["cc", "-shared"],
+ 'linker_exe' : ["cc"],
+ 'linker_so_cxx' : ["c++", "-shared"],
+ 'linker_exe_cxx' : ["c++"],
+ 'archiver' : ["ar", "-cr"],
+ 'ranlib' : None,
}
if sys.platform[:6] == "darwin":
@@ -112,12 +115,19 @@
def _compile(self, obj, src, ext, cc_args, extra_postargs, pp_opts):
compiler_so = self.compiler_so
+ compiler_so_cxx = self.compiler_so_cxx
if sys.platform == 'darwin':
compiler_so = _osx_support.compiler_fixup(compiler_so,
cc_args + extra_postargs)
+ compiler_so_cxx = _osx_support.compiler_fixup(compiler_so_cxx,
+ cc_args + extra_postargs)
try:
- self.spawn(compiler_so + cc_args + [src, '-o', obj] +
- extra_postargs)
+ if self.detect_language(src) == 'c++':
+ self.spawn(compiler_so_cxx + cc_args + [src, '-o', obj] +
+ extra_postargs)
+ else:
+ self.spawn(compiler_so + cc_args + [src, '-o', obj] +
+ extra_postargs)
except DistutilsExecError, msg:
raise CompileError, msg
@@ -174,23 +184,16 @@
ld_args.extend(extra_postargs)
self.mkpath(os.path.dirname(output_filename))
try:
- if target_desc == CCompiler.EXECUTABLE:
- linker = self.linker_exe[:]
+ if target_lang == "c++":
+ if target_desc == CCompiler.EXECUTABLE:
+ linker = self.linker_exe_cxx[:]
+ else:
+ linker = self.linker_so_cxx[:]
else:
- linker = self.linker_so[:]
- if target_lang == "c++" and self.compiler_cxx:
- # skip over environment variable settings if /usr/bin/env
- # is used to set up the linker's environment.
- # This is needed on OSX. Note: this assumes that the
- # normal and C++ compiler have the same environment
- # settings.
- i = 0
- if os.path.basename(linker[0]) == "env":
- i = 1
- while '=' in linker[i]:
- i = i + 1
-
- linker[i] = self.compiler_cxx[i]
+ if target_desc == CCompiler.EXECUTABLE:
+ linker = self.linker_exe[:]
+ else:
+ linker = self.linker_so[:]
if sys.platform == 'darwin':
linker = _osx_support.compiler_fixup(linker, ld_args)
--- a/Lib/_osx_support.py
+++ b/Lib/_osx_support.py
@@ -14,13 +14,13 @@
# configuration variables that may contain universal build flags,
# like "-arch" or "-isdkroot", that may need customization for
# the user environment
-_UNIVERSAL_CONFIG_VARS = ('CFLAGS', 'LDFLAGS', 'CPPFLAGS', 'BASECFLAGS',
- 'BLDSHARED', 'LDSHARED', 'CC', 'CXX',
- 'PY_CFLAGS', 'PY_LDFLAGS', 'PY_CPPFLAGS',
- 'PY_CORE_CFLAGS')
+_UNIVERSAL_CONFIG_VARS = ('CFLAGS', 'CXXFLAGS', 'LDFLAGS', 'CPPFLAGS',
+ 'BASECFLAGS', 'BLDSHARED', 'LDSHARED', 'LDCXXSHARED',
+ 'CC', 'CXX', 'PY_CFLAGS', 'PY_LDFLAGS',
+ 'PY_CPPFLAGS', 'PY_CORE_CFLAGS')
# configuration variables that may contain compiler calls
-_COMPILER_CONFIG_VARS = ('BLDSHARED', 'LDSHARED', 'CC', 'CXX')
+_COMPILER_CONFIG_VARS = ('BLDSHARED', 'LDSHARED', 'LDCXXSHARED', 'CC', 'CXX')
# prefix added to original configuration variable names
_INITPRE = '_OSX_SUPPORT_INITIAL_'

23
pkgs/development/python-modules/numpy-distutils-C++.patch Normal file
View file

@ -0,0 +1,23 @@
diff --git a/numpy/distutils/unixccompiler.py b/numpy/distutils/unixccompiler.py
index a92ccd3..9630e91 100644
--- a/numpy/distutils/unixccompiler.py
+++ b/numpy/distutils/unixccompiler.py
@@ -43,10 +43,15 @@ def UnixCCompiler__compile(self, obj, src, ext, cc_args, extra_postargs, pp_opts
if opt not in llink_s:
self.linker_so = llink_s.split() + opt.split()
- display = '%s: %s' % (os.path.basename(self.compiler_so[0]), src)
try:
- self.spawn(self.compiler_so + cc_args + [src, '-o', obj] +
- extra_postargs, display = display)
+ if self.detect_language(src) == 'c++':
+ display = '%s: %s' % (os.path.basename(self.compiler_so_cxx[0]), src)
+ self.spawn(self.compiler_so_cxx + cc_args + [src, '-o', obj] +
+ extra_postargs, display = display)
+ else:
+ display = '%s: %s' % (os.path.basename(self.compiler_so[0]), src)
+ self.spawn(self.compiler_so + cc_args + [src, '-o', obj] +
+ extra_postargs, display = display)
except DistutilsExecError:
msg = str(get_exception())
raise CompileError(msg)

8
pkgs/development/python-modules/numpy.nix
View file

@ -1,4 +1,4 @@
{lib, python, buildPythonPackage, isPyPy, gfortran, nose, blas}:
{lib, python, buildPythonPackage, isPy27, isPyPy, gfortran, nose, blas}:
args:
@ -12,6 +12,12 @@ in buildPythonPackage (args // rec {
buildInputs = args.buildInputs or [ gfortran nose ];
propagatedBuildInputs = args.propagatedBuildInputs or [ passthru.blas ];
patches = lib.optionals isPy27 [
# See cpython 2.7 patches.
# numpy.distutils is used by cython during it's check phase
./numpy-distutils-C++.patch
];
preConfigure = ''
sed -i 's/-faltivec//' numpy/distutils/system_info.py
'';