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Index: b/Lib/sysconfig.py
===================================================================
--- a/Lib/sysconfig.py
+++ b/Lib/sysconfig.py
@@ -330,9 +330,10 @@
return os.path.join(_PROJECT_BASE, "Makefile")
return os.path.join(get_path('platstdlib').replace("/usr/local","/usr",1), "config" + (sys.pydebug and "_d" or ""), "Makefile")
-
-def _init_posix(vars):
- """Initialize the module as appropriate for POSIX systems."""
+def _generate_posix_vars():
+ """Generate the Python module containing build-time variables."""
+ import pprint
+ vars = {}
# load the installed Makefile:
makefile = _get_makefile_filename()
try:
@@ -360,6 +361,19 @@
if _PYTHON_BUILD:
vars['LDSHARED'] = vars['BLDSHARED']
+ destfile = '_sysconfigdata.py'
+ with open(destfile, 'w') as f:
+ f.write('# system configuration generated and used by'
+ ' the sysconfig module\n')
+ f.write('build_time_vars = ')
+ pprint.pprint(vars, stream=f)
+
+def _init_posix(vars):
+ """Initialize the module as appropriate for POSIX systems."""
+ # _sysconfigdata is generated at build time, see _generate_posix_vars()
+ from _sysconfigdata import build_time_vars
+ vars.update(build_time_vars)
+
def _init_non_posix(vars):
"""Initialize the module as appropriate for NT"""
# set basic install directories
Index: b/Makefile.pre.in
===================================================================
--- a/Makefile.pre.in
+++ b/Makefile.pre.in
@@ -374,7 +374,7 @@
# Default target
all: build_all
-build_all: $(BUILDPYTHON) oldsharedmods sharedmods gdbhooks
+build_all: $(BUILDPYTHON) $(SYSCONFIGDATA) oldsharedmods sharedmods gdbhooks
# Compile a binary with gcc profile guided optimization.
profile-opt:
@@ -402,6 +402,7 @@
$(MAKE) clean
$(MAKE) all PY_CFLAGS="$(PY_CFLAGS) -O0 -pg -fprofile-arcs -ftest-coverage" LIBS="$(LIBS) -lgcov"
+SYSCONFIGDATA=_sysconfigdata.py
# Build the interpreter
$(BUILDPYTHON): Modules/python.o $(LIBRARY) $(LDLIBRARY)
@@ -409,14 +410,20 @@
Modules/python.o \
-Wl,--whole-archive $(BLDLIBRARY) -Wl,--no-whole-archive $(LIBS) $(MODLIBS) $(SYSLIBS) $(LDLAST)
-platform: $(BUILDPYTHON)
+platform: $(BUILDPYTHON) $(SYSCONFIGDATA)
$(RUNSHARED) ./$(BUILDPYTHON) -E -c 'import sys ; from sysconfig import get_platform ; print get_platform()+"-"+sys.version[0:3]' >platform
+# Generate the sysconfig build-time data
+$(SYSCONFIGDATA): $(BUILDPYTHON)
+ $(RUNSHARED) ./$(BUILDPYTHON) -SE -c 'import sysconfig; sysconfig._generate_posix_vars()'
+ $(RUNSHARED) ./$(BUILDPYTHON) -S -c 'import os,sys ; from distutils.util import get_platform ; d=os.path.join("build", "lib."+get_platform()+"-"+sys.version[0:3]+("-pydebug" if hasattr(sys, "gettotalrefcount") else "")); sys.stdout.write(d)' > pybuilddir.txt
+ mkdir -p `cat pybuilddir.txt`
+ cp $(SYSCONFIGDATA) `cat pybuilddir.txt`/.
# Build the shared modules
# MAKEFLAGS are sorted and normalized. Under GNU make the 's' for
# -s, --silent or --quiet is always the first char.
-sharedmods: $(BUILDPYTHON)
+sharedmods: $(BUILDPYTHON) $(SYSCONFIGDATA)
@case "$$MAKEFLAGS" in \
s*) quiet="-q";; \
*) quiet="";; \
@@ -910,7 +917,7 @@
else true; \
fi; \
done
- @for i in $(srcdir)/Lib/*.py $(srcdir)/Lib/*.doc $(srcdir)/Lib/*.egg-info ; \
+ @for i in $(srcdir)/Lib/*.py $(SYSCONFIGDATA) $(srcdir)/Lib/*.doc $(srcdir)/Lib/*.egg-info ; \
do \
if test -x $$i; then \
$(INSTALL_SCRIPT) $$i $(DESTDIR)$(LIBDEST); \
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