Final patch for issue 9807.

Lib/distutils/command/install.py

@@ -48,7 +48,7 @@
     'unix_prefix': {
         'purelib': '$base/lib/python$py_version_short/site-packages',
         'platlib': '$platbase/lib/python$py_version_short/site-packages',
-        'headers': '$base/include/python$py_version_short/$dist_name',
+        'headers': '$base/include/python$py_version_short$abiflags/$dist_name',
         'scripts': '$base/bin',
         'data'   : '$base',
         },
@@ -82,7 +82,8 @@
     INSTALL_SCHEMES['unix_user'] = {
         'purelib': '$usersite',
         'platlib': '$usersite',
-        'headers': '$userbase/include/python$py_version_short/$dist_name',
+        'headers':
+            '$userbase/include/python$py_version_short$abiflags/$dist_name',
         'scripts': '$userbase/bin',
         'data'   : '$userbase',
         }
@@ -322,6 +323,7 @@ def finalize_options(self):
                             'prefix': prefix,
                             'sys_exec_prefix': exec_prefix,
                             'exec_prefix': exec_prefix,
+                            'abiflags': sys.abiflags,
                            }
 
         if HAS_USER_SITE:

Lib/distutils/sysconfig.py

@@ -11,7 +11,6 @@
 
 __revision__ = "$Id$"
 
-import io
 import os
 import re
 import sys
@@ -49,6 +48,18 @@ def _python_build():
     return False
 python_build = _python_build()
 
+# Calculate the build qualifier flags if they are defined.  Adding the flags
+# to the include and lib directories only makes sense for an installation, not
+# an in-source build.
+build_flags = ''
+try:
+    if not python_build:
+        build_flags = sys.abiflags
+except AttributeError:
+    # It's not a configure-based build, so the sys module doesn't have
+    # this attribute, which is fine.
+    pass
+
 def get_python_version():
     """Return a string containing the major and minor Python version,
     leaving off the patchlevel.  Sample return values could be '1.5'
@@ -83,7 +94,8 @@ def get_python_inc(plat_specific=0, prefix=None):
             else:
                 incdir = os.path.join(get_config_var('srcdir'), 'Include')
                 return os.path.normpath(incdir)
-        return os.path.join(prefix, "include", "python" + get_python_version())
+        python_dir = 'python' + get_python_version() + build_flags
+        return os.path.join(prefix, "include", python_dir)
     elif os.name == "nt":
         return os.path.join(prefix, "include")
     elif os.name == "os2":
@@ -209,7 +221,8 @@ def get_makefile_filename():
     if python_build:
         return os.path.join(os.path.dirname(sys.executable), "Makefile")
     lib_dir = get_python_lib(plat_specific=1, standard_lib=1)
-    return os.path.join(lib_dir, "config", "Makefile")
+    config_file = 'config-{}{}'.format(get_python_version(), build_flags)
+    return os.path.join(lib_dir, config_file, 'Makefile')
 
 
 def parse_config_h(fp, g=None):

Lib/sysconfig.py

@@ -25,8 +25,10 @@
         'platstdlib': '{platbase}/lib/python{py_version_short}',
         'purelib': '{base}/lib/python{py_version_short}/site-packages',
         'platlib': '{platbase}/lib/python{py_version_short}/site-packages',
-        'include': '{base}/include/python{py_version_short}',
-        'platinclude': '{platbase}/include/python{py_version_short}',
+        'include':
+            '{base}/include/python{py_version_short}{abiflags}',
+        'platinclude':
+            '{platbase}/include/python{py_version_short}{abiflags}',
         'scripts': '{base}/bin',
         'data': '{base}',
         },
@@ -317,7 +319,9 @@ def get_makefile_filename():
     """Return the path of the Makefile."""
     if _PYTHON_BUILD:
         return os.path.join(_PROJECT_BASE, "Makefile")
-    return os.path.join(get_path('stdlib'), "config", "Makefile")
+    return os.path.join(get_path('stdlib'),
+                        'config-{}{}'.format(_PY_VERSION_SHORT, sys.abiflags),
+                        'Makefile')
 
 
 def _init_posix(vars):
@@ -471,6 +475,7 @@ def get_config_vars(*args):
         _CONFIG_VARS['base'] = _PREFIX
         _CONFIG_VARS['platbase'] = _EXEC_PREFIX
         _CONFIG_VARS['projectbase'] = _PROJECT_BASE
+        _CONFIG_VARS['abiflags'] = sys.abiflags
 
         if os.name in ('nt', 'os2'):
             _init_non_posix(_CONFIG_VARS)

Makefile.pre.in

@@ -108,9 +108,8 @@ ABIFLAGS=	@ABIFLAGS@
 # Detailed destination directories
 BINLIBDEST=	$(LIBDIR)/python$(VERSION)
 LIBDEST=	$(SCRIPTDIR)/python$(VERSION)
-INCLUDEPY=	$(INCLUDEDIR)/python$(VERSION)
-CONFINCLUDEPY=	$(CONFINCLUDEDIR)/python$(VERSION)
-LIBP=		$(LIBDIR)/python$(VERSION)
+INCLUDEPY=	$(INCLUDEDIR)/python$(LDVERSION)
+CONFINCLUDEPY=	$(CONFINCLUDEDIR)/python$(LDVERSION)
 
 # Symbols used for using shared libraries
 SO=		@SO@
@@ -834,7 +833,7 @@ altbininstall: $(BUILDPYTHON)
 		else	true; \
 		fi; \
 	done
-	$(INSTALL_PROGRAM) $(BUILDPYTHON) $(DESTDIR)$(BINDIR)/python$(VERSION)$(EXE)
+	$(INSTALL_PROGRAM) $(BUILDPYTHON) $(DESTDIR)$(BINDIR)/python$(LDVERSION)$(EXE)
 	if test -f $(LDLIBRARY); then \
 		if test -n "$(DLLLIBRARY)" ; then \
 			$(INSTALL_SHARED) $(DLLLIBRARY) $(DESTDIR)$(BINDIR); \
@@ -852,11 +851,20 @@ bininstall: altbininstall
 	then rm -f $(DESTDIR)$(BINDIR)/$(PYTHON)3$(EXE); \
 	else true; \
 	fi
+	-if test -f $(DESTDIR)$(BINDIR)/$(PYTHON)$(VERSION)$(EXE) -o -h $(DESTDIR)$(BINDIR)/$(PYTHON)$(VERSION)$(EXE); \
+	then rm -f $(DESTDIR)$(BINDIR)/python$(VERSION)$(EXE); \
+	else true; \
+	fi
+	(cd $(DESTDIR)$(BINDIR); $(LN) python$(LDVERSION)$(EXE) python$(VERSION)$(EXE))
 	(cd $(DESTDIR)$(BINDIR); $(LN) python$(VERSION)$(EXE) $(PYTHON)3$(EXE))
 	-rm -f $(DESTDIR)$(BINDIR)/python3-config
+	-rm -f $(DESTDIR)$(BINDIR)/python$(VERSION)-config
+	(cd $(DESTDIR)$(BINDIR); $(LN) -s python$(LDVERSION)-config python$(VERSION)-config)
 	(cd $(DESTDIR)$(BINDIR); $(LN) -s python$(VERSION)-config python3-config)
 	-rm -f $(DESTDIR)$(LIBPC)/python3.pc
+	-rm -f $(DESTDIR)$(LIBPC)/python-$(LDVERSION).pc
 	(cd $(DESTDIR)$(LIBPC); $(LN) -s python-$(VERSION).pc python3.pc)
+	(cd $(DESTDIR)$(LIBPC); $(LN) -s python-$(VERSION).pc python-$(LDVERSION).pc)
 
 # Install the manual page
 maninstall:
@@ -986,7 +994,7 @@ $(srcdir)/Lib/$(PLATDIR):
 python-config: $(srcdir)/Misc/python-config.in
 	# Substitution happens here, as the completely-expanded BINDIR
 	# is not available in configure
-	sed -e "s,@EXENAME@,$(BINDIR)/python$(VERSION)$(EXE)," < $(srcdir)/Misc/python-config.in >python-config
+	sed -e "s,@EXENAME@,$(BINDIR)/python$(LDVERSION)$(EXE)," < $(srcdir)/Misc/python-config.in >python-config
 
 # Install the include files
 INCLDIRSTOMAKE=$(INCLUDEDIR) $(CONFINCLUDEDIR) $(INCLUDEPY) $(CONFINCLUDEPY)
@@ -1008,13 +1016,13 @@ inclinstall:
 
 # Install the library and miscellaneous stuff needed for extending/embedding
 # This goes into $(exec_prefix)
-LIBPL=		$(LIBP)/config
+LIBPL=		$(LIBDEST)/config-$(LDVERSION)
 
 # pkgconfig directory
 LIBPC=		$(LIBDIR)/pkgconfig
 
 libainstall:	all python-config
-	@for i in $(LIBDIR) $(LIBP) $(LIBPL) $(LIBPC); \
+	@for i in $(LIBDIR) $(LIBPL) $(LIBPC); \
 	do \
 		if test ! -d $(DESTDIR)$$i; then \
 			echo "Creating directory $$i"; \
@@ -1044,7 +1052,7 @@ libainstall:	all python-config
 	$(INSTALL_DATA) Misc/python.pc $(DESTDIR)$(LIBPC)/python-$(VERSION).pc
 	$(INSTALL_SCRIPT) $(srcdir)/Modules/makesetup $(DESTDIR)$(LIBPL)/makesetup
 	$(INSTALL_SCRIPT) $(srcdir)/install-sh $(DESTDIR)$(LIBPL)/install-sh
-	$(INSTALL_SCRIPT) python-config $(DESTDIR)$(BINDIR)/python$(VERSION)-config
+	$(INSTALL_SCRIPT) python-config $(DESTDIR)$(BINDIR)/python$(LDVERSION)-config
 	rm python-config
 	@if [ -s Modules/python.exp -a \
 		"`echo $(MACHDEP) | sed 's/^\(...\).*/\1/'`" = "aix" ]; then \

Misc/python.pc.in

@@ -1,3 +1,4 @@
+# See: man pkg-config
 prefix=@prefix@
 exec_prefix=@exec_prefix@
 libdir=@libdir@
@@ -9,5 +10,4 @@ Requires:
 Version: @VERSION@
 Libs.private: @LIBS@
 Libs: -L${libdir} -lpython@VERSION@@ABIFLAGS@
-Cflags: -I${includedir}/python@VERSION@ 
-
+Cflags: -I${includedir}/python@VERSION@@ABIFLAGS@

configure.in

@@ -618,7 +618,7 @@ INSTSONAME='$(LDLIBRARY)'
 DLLLIBRARY=''
 LDLIBRARYDIR=''
 RUNSHARED=''
-LDVERSION="$(VERSION)"
+LDVERSION="$VERSION"
 
 # LINKCC is the command that links the python executable -- default is $(CC).
 # If CXX is set, and if it is needed to link a main function that was