bpo-31904: Add cross-build support for VxWorks RTOS (GH-11968)
This commit is contained in:
pxinwr
Victor Stinner
parent
53b9e1a1c1
commit
32f5fdd7f4
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@ -14,6 +14,10 @@ extern "C" {
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#define DELIM L';'
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#endif
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#ifdef __VXWORKS__
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#define DELIM L';'
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#endif
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/* Filename separator */
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#ifndef SEP
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#define SEP L'/'
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@ -0,0 +1 @@
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Enable build system to cross-build for VxWorks RTOS.
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@ -3268,6 +3268,9 @@ then
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*-*-cygwin*)
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ac_sys_system=Cygwin
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;;
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*-*-vxworks*)
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ac_sys_system=VxWorks
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;;
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*)
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# for now, limit cross builds to known configurations
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MACHDEP="unknown"
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@ -3312,6 +3315,9 @@ if test "$cross_compiling" = yes; then
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*-*-cygwin*)
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_host_cpu=
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;;
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*-*-vxworks*)
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_host_cpu=$host_cpu
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;;
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*)
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# for now, limit cross builds to known configurations
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MACHDEP="unknown"
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@ -3399,6 +3405,11 @@ $as_echo "#define _BSD_SOURCE 1" >>confdefs.h
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QNX/6.3.2)
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define_xopen_source=no
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;;
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# On VxWorks, defining _XOPEN_SOURCE causes compile failures
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# in network headers still using system V types.
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VxWorks/*)
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define_xopen_source=no
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;;
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esac
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@ -5283,6 +5294,8 @@ cat >> conftest.c <<EOF
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i386-gnu
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#elif defined(__APPLE__)
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darwin
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#elif defined(__VXWORKS__)
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vxworks
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#else
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# error unknown platform triplet
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#endif
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@ -9391,7 +9404,7 @@ then
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BLDSHARED="$LDSHARED"
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fi
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;;
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Linux*|GNU*|QNX*)
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Linux*|GNU*|QNX*|VxWorks*)
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LDSHARED='$(CC) -shared'
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LDCXXSHARED='$(CXX) -shared';;
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FreeBSD*)
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@ -9472,6 +9485,8 @@ then
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then CCSHARED="-fPIC"
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else CCSHARED="-Kpic -belf"
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fi;;
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VxWorks*)
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CCSHARED="-fpic -D__SO_PICABILINUX__ -ftls-model=global-dynamic"
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esac
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fi
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{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $CCSHARED" >&5
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@ -9530,6 +9545,8 @@ then
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# to 2048 kilobytes so that the stack doesn't overflow
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# when running test_compile.py.
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LINKFORSHARED='-Wl,-E -N 2048K';;
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VxWorks*)
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LINKFORSHARED='--export-dynamic';;
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esac
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fi
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{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $LINKFORSHARED" >&5
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@ -15079,7 +15096,7 @@ $as_echo "$SOABI" >&6; }
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case $ac_sys_system in
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Linux*|GNU*|Darwin)
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Linux*|GNU*|Darwin|VxWorks)
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EXT_SUFFIX=.${SOABI}${SHLIB_SUFFIX};;
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*)
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EXT_SUFFIX=${SHLIB_SUFFIX};;
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21
configure.ac
21
configure.ac
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@ -379,6 +379,9 @@ then
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*-*-cygwin*)
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ac_sys_system=Cygwin
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;;
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*-*-vxworks*)
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ac_sys_system=VxWorks
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;;
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*)
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# for now, limit cross builds to known configurations
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MACHDEP="unknown"
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@ -423,6 +426,9 @@ if test "$cross_compiling" = yes; then
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*-*-cygwin*)
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_host_cpu=
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;;
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*-*-vxworks*)
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_host_cpu=$host_cpu
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;;
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*)
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# for now, limit cross builds to known configurations
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MACHDEP="unknown"
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@ -507,6 +513,11 @@ case $ac_sys_system/$ac_sys_release in
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QNX/6.3.2)
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define_xopen_source=no
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;;
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# On VxWorks, defining _XOPEN_SOURCE causes compile failures
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# in network headers still using system V types.
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VxWorks/*)
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define_xopen_source=no
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;;
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esac
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@ -829,6 +840,8 @@ cat >> conftest.c <<EOF
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i386-gnu
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#elif defined(__APPLE__)
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darwin
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#elif defined(__VXWORKS__)
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vxworks
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#else
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# error unknown platform triplet
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#endif
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@ -2555,7 +2568,7 @@ then
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BLDSHARED="$LDSHARED"
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fi
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;;
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Linux*|GNU*|QNX*)
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Linux*|GNU*|QNX*|VxWorks*)
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LDSHARED='$(CC) -shared'
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LDCXXSHARED='$(CXX) -shared';;
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FreeBSD*)
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@ -2634,6 +2647,8 @@ then
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then CCSHARED="-fPIC"
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else CCSHARED="-Kpic -belf"
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fi;;
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VxWorks*)
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CCSHARED="-fpic -D__SO_PICABILINUX__ -ftls-model=global-dynamic"
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esac
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fi
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AC_MSG_RESULT($CCSHARED)
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@ -2690,6 +2705,8 @@ then
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# to 2048 kilobytes so that the stack doesn't overflow
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# when running test_compile.py.
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LINKFORSHARED='-Wl,-E -N 2048K';;
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VxWorks*)
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LINKFORSHARED='--export-dynamic';;
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esac
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fi
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AC_MSG_RESULT($LINKFORSHARED)
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@ -4578,7 +4595,7 @@ AC_MSG_RESULT($SOABI)
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AC_SUBST(EXT_SUFFIX)
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case $ac_sys_system in
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Linux*|GNU*|Darwin)
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Linux*|GNU*|Darwin|VxWorks)
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EXT_SUFFIX=.${SOABI}${SHLIB_SUFFIX};;
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*)
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EXT_SUFFIX=${SHLIB_SUFFIX};;
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46
setup.py
46
setup.py
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@ -44,6 +44,8 @@ def get_platform():
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return sys.platform
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host_platform = get_platform()
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VXWORKS = ('vxworks' in host_platform)
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# Were we compiled --with-pydebug or with #define Py_DEBUG?
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COMPILED_WITH_PYDEBUG = ('--with-pydebug' in sysconfig.get_config_var("CONFIG_ARGS"))
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@ -509,13 +511,14 @@ class PyBuildExt(build_ext):
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finally:
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os.unlink(tmpfile)
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def add_gcc_paths(self):
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gcc = sysconfig.get_config_var('CC')
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tmpfile = os.path.join(self.build_temp, 'gccpaths')
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def add_cross_compiling_paths(self):
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cc = sysconfig.get_config_var('CC')
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tmpfile = os.path.join(self.build_temp, 'ccpaths')
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if not os.path.exists(self.build_temp):
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os.makedirs(self.build_temp)
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ret = os.system('%s -E -v - </dev/null 2>%s 1>/dev/null' % (gcc, tmpfile))
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ret = os.system('%s -E -v - </dev/null 2>%s 1>/dev/null' % (cc, tmpfile))
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is_gcc = False
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is_clang = False
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in_incdirs = False
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inc_dirs = []
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lib_dirs = []
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@ -525,17 +528,19 @@ class PyBuildExt(build_ext):
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for line in fp.readlines():
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if line.startswith("gcc version"):
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is_gcc = True
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elif line.startswith("clang version"):
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is_clang = True
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elif line.startswith("#include <...>"):
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in_incdirs = True
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elif line.startswith("End of search list"):
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in_incdirs = False
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elif is_gcc and line.startswith("LIBRARY_PATH"):
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elif (is_gcc or is_clang) and line.startswith("LIBRARY_PATH"):
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for d in line.strip().split("=")[1].split(":"):
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d = os.path.normpath(d)
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if '/gcc/' not in d:
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add_dir_to_list(self.compiler.library_dirs,
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d)
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elif is_gcc and in_incdirs and '/gcc/' not in line:
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elif (is_gcc or is_clang) and in_incdirs and '/gcc/' not in line and '/clang/' not in line:
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add_dir_to_list(self.compiler.include_dirs,
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line.strip())
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finally:
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@ -550,7 +555,7 @@ class PyBuildExt(build_ext):
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add_dir_to_list(self.compiler.include_dirs, '/usr/local/include')
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# only change this for cross builds for 3.3, issues on Mageia
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if cross_compiling:
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self.add_gcc_paths()
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self.add_cross_compiling_paths()
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self.add_multiarch_paths()
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# Add paths specified in the environment variables LDFLAGS and
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@ -722,7 +727,8 @@ class PyBuildExt(build_ext):
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# pwd(3)
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exts.append( Extension('pwd', ['pwdmodule.c']) )
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# grp(3)
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exts.append( Extension('grp', ['grpmodule.c']) )
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if not VXWORKS:
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exts.append( Extension('grp', ['grpmodule.c']) )
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# spwd, shadow passwords
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if (config_h_vars.get('HAVE_GETSPNAM', False) or
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config_h_vars.get('HAVE_GETSPENT', False)):
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@ -859,7 +865,12 @@ class PyBuildExt(build_ext):
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libs = ['crypt']
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else:
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libs = []
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exts.append( Extension('_crypt', ['_cryptmodule.c'], libraries=libs) )
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if not VXWORKS:
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exts.append( Extension('_crypt', ['_cryptmodule.c'], libraries=libs) )
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elif self.compiler.find_library_file(lib_dirs, 'OPENSSL'):
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libs = ['OPENSSL']
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exts.append( Extension('_crypt', ['_cryptmodule.c'], libraries=libs) )
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# CSV files
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exts.append( Extension('_csv', ['_csv.c']) )
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@ -868,8 +879,14 @@ class PyBuildExt(build_ext):
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exts.append( Extension('_posixsubprocess', ['_posixsubprocess.c']) )
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# socket(2)
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exts.append( Extension('_socket', ['socketmodule.c'],
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depends = ['socketmodule.h']) )
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if not VXWORKS:
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exts.append( Extension('_socket', ['socketmodule.c'],
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depends = ['socketmodule.h']) )
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elif self.compiler.find_library_file(lib_dirs, 'net'):
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libs = ['net']
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exts.append( Extension('_socket', ['socketmodule.c'],
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depends = ['socketmodule.h'], libraries=libs) )
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# Detect SSL support for the socket module (via _ssl)
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ssl_ext, hashlib_ext = self._detect_openssl(inc_dirs, lib_dirs)
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if ssl_ext is not None:
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@ -1319,9 +1336,10 @@ class PyBuildExt(build_ext):
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# Unix-only modules
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if host_platform != 'win32':
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# Steen Lumholt's termios module
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exts.append( Extension('termios', ['termios.c']) )
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# Jeremy Hylton's rlimit interface
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if not VXWORKS:
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# Steen Lumholt's termios module
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exts.append( Extension('termios', ['termios.c']) )
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# Jeremy Hylton's rlimit interface
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exts.append( Extension('resource', ['resource.c']) )
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else:
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missing.extend(['resource', 'termios'])
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