From 898f93aa206e577dfe854c59bc62d0cea09cd5ed Mon Sep 17 00:00:00 2001
From: Tomas Orsava <torsava@redhat.com>
Date: Tue, 10 Jan 2017 16:19:50 +0100
Subject: [PATCH] Patch to support building both optimized vs debug stacks DSO
ABIs,
sharing the same .py and .pyc files, using "_d.so" to signify a debug build of
an extension module.
---
Lib/distutils/command/build_ext.py | 7 ++++-
Lib/distutils/sysconfig.py | 5 ++--
Lib/distutils/tests/test_install.py | 3 +-
Makefile.pre.in | 56 ++++++++++++++++++++-----------------
Misc/python-config.in | 2 +-
Modules/makesetup | 2 +-
Python/dynload_shlib.c | 11 ++++++--
Python/sysmodule.c | 6 ++++
configure.ac | 14 ++++++++--
9 files changed, 69 insertions(+), 37 deletions(-)
diff --git a/Lib/distutils/command/build_ext.py b/Lib/distutils/command/build_ext.py
index 2c68be3..029d144 100644
--- a/Lib/distutils/command/build_ext.py
+++ b/Lib/distutils/command/build_ext.py
@@ -677,7 +677,10 @@ class build_ext (Command):
so_ext = get_config_var('SO')
if os.name == 'nt' and self.debug:
return os.path.join(*ext_path) + '_d' + so_ext
- return os.path.join(*ext_path) + so_ext
+
+ # Similarly, extensions in debug mode are named 'module_d.so', to
+ # avoid adding the _d to the SO config variable:
+ return os.path.join(*ext_path) + (sys.pydebug and "_d" or "") + so_ext
def get_export_symbols (self, ext):
"""Return the list of symbols that a shared extension has to
@@ -762,6 +765,8 @@ class build_ext (Command):
template = "python%d.%d"
pythonlib = (template %
(sys.hexversion >> 24, (sys.hexversion >> 16) & 0xff))
+ if sys.pydebug:
+ pythonlib += '_d'
return ext.libraries + [pythonlib]
else:
return ext.libraries
diff --git a/Lib/distutils/sysconfig.py b/Lib/distutils/sysconfig.py
index 3e7f077..ec5d584 100644
--- a/Lib/distutils/sysconfig.py
+++ b/Lib/distutils/sysconfig.py
@@ -90,7 +90,8 @@ def get_python_inc(plat_specific=0, prefix=None):
# Include is located in the srcdir
inc_dir = os.path.join(srcdir, "Include")
return inc_dir
- return os.path.join(prefix, "include", "python" + get_python_version())
+ return os.path.join(prefix, "include",
+ "python" + get_python_version() + (sys.pydebug and '-debug' or ''))
elif os.name == "nt":
return os.path.join(prefix, "include")
elif os.name == "os2":
@@ -248,7 +249,7 @@ def get_makefile_filename():
if python_build:
return os.path.join(project_base, "Makefile")
lib_dir = get_python_lib(plat_specific=1, standard_lib=1)
- return os.path.join(lib_dir, "config", "Makefile")
+ return os.path.join(lib_dir, "config" + (sys.pydebug and "-debug" or ""), "Makefile")
def parse_config_h(fp, g=None):
diff --git a/Lib/distutils/tests/test_install.py b/Lib/distutils/tests/test_install.py
index 78fac46..d1d0931 100644
--- a/Lib/distutils/tests/test_install.py
+++ b/Lib/distutils/tests/test_install.py
@@ -20,8 +20,9 @@ from distutils.tests import support
def _make_ext_name(modname):
- if os.name == 'nt' and sys.executable.endswith('_d.exe'):
+ if sys.pydebug:
modname += '_d'
+
return modname + sysconfig.get_config_var('SO')
diff --git a/Makefile.pre.in b/Makefile.pre.in
index 997a2fc..467e782 100644
--- a/Makefile.pre.in
+++ b/Makefile.pre.in
@@ -116,8 +116,8 @@ SCRIPTDIR= $(prefix)/lib64
# Detailed destination directories
BINLIBDEST= $(LIBDIR)/python$(VERSION)
LIBDEST= $(SCRIPTDIR)/python$(VERSION)
-INCLUDEPY= $(INCLUDEDIR)/python$(VERSION)
-CONFINCLUDEPY= $(CONFINCLUDEDIR)/python$(VERSION)
+INCLUDEPY= $(INCLUDEDIR)/python$(VERSION)$(DEBUG_SUFFIX)
+CONFINCLUDEPY= $(CONFINCLUDEDIR)/python$(VERSION)$(DEBUG_SUFFIX)
LIBP= $(LIBDIR)/python$(VERSION)
# Symbols used for using shared libraries
@@ -131,6 +131,12 @@ DESTSHARED= $(BINLIBDEST)/lib-dynload
EXE= @EXEEXT@
BUILDEXE= @BUILDEXEEXT@
+# DEBUG_EXT is used by ELF files (names and SONAMEs); it will be "_d" for a debug build
+# DEBUG_SUFFIX is used by filesystem paths; it will be "-debug" for a debug build
+# Both will be empty in an optimized build
+DEBUG_EXT= @DEBUG_EXT@
+DEBUG_SUFFIX= @DEBUG_SUFFIX@
+
# Short name and location for Mac OS X Python framework
UNIVERSALSDK=@UNIVERSALSDK@
PYTHONFRAMEWORK= @PYTHONFRAMEWORK@
@@ -197,8 +203,8 @@ LIBOBJDIR= Python/
LIBOBJS= @LIBOBJS@
UNICODE_OBJS= @UNICODE_OBJS@
-PYTHON= python$(EXE)
-BUILDPYTHON= python$(BUILDEXE)
+PYTHON= python$(DEBUG_SUFFIX)$(EXE)
+BUILDPYTHON= python$(DEBUG_SUFFIX)$(BUILDEXE)
PYTHON_FOR_BUILD=@PYTHON_FOR_BUILD@
_PYTHON_HOST_PLATFORM=@_PYTHON_HOST_PLATFORM@
@@ -547,7 +553,7 @@ sharedmods: $(BUILDPYTHON) pybuilddir.txt Modules/_math.o
_TCLTK_INCLUDES='$(TCLTK_INCLUDES)' _TCLTK_LIBS='$(TCLTK_LIBS)' \
$(PYTHON_FOR_BUILD) $(srcdir)/setup.py $$quiet build
-libpython$(VERSION).so: $(LIBRARY_OBJS)
+libpython$(VERSION)$(DEBUG_EXT).so: $(LIBRARY_OBJS)
if test $(INSTSONAME) != $(LDLIBRARY); then \
$(BLDSHARED) -Wl,-h$(INSTSONAME) -o $(INSTSONAME) $(LIBRARY_OBJS) $(MODLIBS) $(SHLIBS) $(LIBC) $(LIBM) $(LDLAST); \
$(LN) -f $(INSTSONAME) $@; \
@@ -954,18 +960,18 @@ bininstall: altbininstall
then rm -f $(DESTDIR)$(BINDIR)/$(PYTHON); \
else true; \
fi
- (cd $(DESTDIR)$(BINDIR); $(LN) -s python2$(EXE) $(PYTHON))
- -rm -f $(DESTDIR)$(BINDIR)/python2$(EXE)
- (cd $(DESTDIR)$(BINDIR); $(LN) -s python$(VERSION)$(EXE) python2$(EXE))
- -rm -f $(DESTDIR)$(BINDIR)/python2-config
- (cd $(DESTDIR)$(BINDIR); $(LN) -s python$(VERSION)-config python2-config)
- -rm -f $(DESTDIR)$(BINDIR)/python-config
- (cd $(DESTDIR)$(BINDIR); $(LN) -s python2-config python-config)
+ (cd $(DESTDIR)$(BINDIR); $(LN) -s python2$(DEBUG_SUFFIX)$(EXE) $(PYTHON))
+ -rm -f $(DESTDIR)$(BINDIR)/python2$(DEBUG_SUFFIX)$(EXE)
+ (cd $(DESTDIR)$(BINDIR); $(LN) -s python$(VERSION)$(DEBUG_SUFFIX)$(EXE) python2$(DEBUG_SUFFIX)$(EXE))
+ -rm -f $(DESTDIR)$(BINDIR)/python2$(DEBUG_SUFFIX)-config
+ (cd $(DESTDIR)$(BINDIR); $(LN) -s python$(VERSION)$(DEBUG_SUFFIX)-config python2$(DEBUG_SUFFIX)-config)
+ -rm -f $(DESTDIR)$(BINDIR)/python$(DEBUG_SUFFIX)-config
+ (cd $(DESTDIR)$(BINDIR); $(LN) -s python2$(DEBUG_SUFFIX)-config python$(DEBUG_SUFFIX)-config)
-test -d $(DESTDIR)$(LIBPC) || $(INSTALL) -d -m $(DIRMODE) $(DESTDIR)$(LIBPC)
- -rm -f $(DESTDIR)$(LIBPC)/python2.pc
- (cd $(DESTDIR)$(LIBPC); $(LN) -s python-$(VERSION).pc python2.pc)
- -rm -f $(DESTDIR)$(LIBPC)/python.pc
- (cd $(DESTDIR)$(LIBPC); $(LN) -s python2.pc python.pc)
+ -rm -f $(DESTDIR)$(LIBPC)/python2$(DEBUG_SUFFIX).pc
+ (cd $(DESTDIR)$(LIBPC); $(LN) -s python-$(VERSION)$(DEBUG_SUFFIX).pc python2$(DEBUG_SUFFIX).pc)
+ -rm -f $(DESTDIR)$(LIBPC)/python$(DEBUG_SUFFIX).pc
+ (cd $(DESTDIR)$(LIBPC); $(LN) -s python2$(DEBUG_SUFFIX).pc python$(DEBUG_SUFFIX).pc)
# Install the interpreter with $(VERSION) affixed
# This goes into $(exec_prefix)
@@ -978,7 +984,7 @@ altbininstall: $(BUILDPYTHON)
else true; \
fi; \
done
- $(INSTALL_PROGRAM) $(BUILDPYTHON) $(DESTDIR)$(BINDIR)/python$(VERSION)$(EXE)
+ $(INSTALL_PROGRAM) $(BUILDPYTHON) $(DESTDIR)$(BINDIR)/python$(VERSION)$(DEBUG_SUFFIX)$(EXE)
if test -f $(LDLIBRARY); then \
if test -n "$(DLLLIBRARY)" ; then \
$(INSTALL_SHARED) $(DLLLIBRARY) $(DESTDIR)$(BINDIR); \
@@ -1148,10 +1154,11 @@ $(srcdir)/Lib/$(PLATDIR):
fi; \
cd $(srcdir)/Lib/$(PLATDIR); $(RUNSHARED) ./regen
-python-config: $(srcdir)/Misc/python-config.in
+python$(DEBUG_SUFFIX)-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$(VERSION)$(DEBUG_SUFFIX)$(EXE)," < $(srcdir)/Misc/python-config.in >python$(DEBUG_SUFFIX)-config
+
# Install the include files
INCLDIRSTOMAKE=$(INCLUDEDIR) $(CONFINCLUDEDIR) $(INCLUDEPY) $(CONFINCLUDEPY)
@@ -1172,13 +1179,13 @@ inclinstall:
$(INSTALL_DATA) pyconfig.h $(DESTDIR)$(CONFINCLUDEPY)/pyconfig.h
# Install the library and miscellaneous stuff needed for extending/embedding
-# This goes into $(exec_prefix)
-LIBPL= $(LIBP)/config
+# This goes into $(exec_prefix)$(DEBUG_SUFFIX)
+LIBPL= $(LIBP)/config$(DEBUG_SUFFIX)
# pkgconfig directory
LIBPC= $(LIBDIR)/pkgconfig
-libainstall: all python-config
+libainstall: all python$(DEBUG_SUFFIX)-config
@for i in $(LIBDIR) $(LIBP) $(LIBPL) $(LIBPC); \
do \
if test ! -d $(DESTDIR)$$i; then \
@@ -1194,11 +1201,10 @@ libainstall: all python-config
$(INSTALL_DATA) Modules/Setup $(DESTDIR)$(LIBPL)/Setup
$(INSTALL_DATA) Modules/Setup.local $(DESTDIR)$(LIBPL)/Setup.local
$(INSTALL_DATA) Modules/Setup.config $(DESTDIR)$(LIBPL)/Setup.config
- $(INSTALL_DATA) Misc/python.pc $(DESTDIR)$(LIBPC)/python-$(VERSION).pc
+ $(INSTALL_DATA) Misc/python.pc $(DESTDIR)$(LIBPC)/python-$(VERSION)$(DEBUG_SUFFIX).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
- rm python-config
+ $(INSTALL_SCRIPT) python$(DEBUG_SUFFIX)-config $(DESTDIR)$(BINDIR)/python$(VERSION)$(DEBUG_SUFFIX)-config
@if [ -s Modules/python.exp -a \
"`echo $(MACHDEP) | sed 's/^\(...\).*/\1/'`" = "aix" ]; then \
echo; echo "Installing support files for building shared extension modules on AIX:"; \
diff --git a/Misc/python-config.in b/Misc/python-config.in
index a09e07c..c1691ef 100644
--- a/Misc/python-config.in
+++ b/Misc/python-config.in
@@ -44,7 +44,7 @@ for opt in opt_flags:
print ' '.join(flags)
elif opt in ('--libs', '--ldflags'):
- libs = ['-lpython' + pyver]
+ libs = ['-lpython' + pyver + (sys.pydebug and "_d" or "")]
libs += getvar('LIBS').split()
libs += getvar('SYSLIBS').split()
# add the prefix/lib/pythonX.Y/config dir, but only if there is no
diff --git a/Modules/makesetup b/Modules/makesetup
index 1bffcbf..f0bc743 100755
--- a/Modules/makesetup
+++ b/Modules/makesetup
@@ -233,7 +233,7 @@ sed -e 's/[ ]*#.*//' -e '/^[ ]*$/d' |
*$mod.o*) base=$mod;;
*) base=${mod}module;;
esac
- file="$srcdir/$base\$(SO)"
+ file="$srcdir/$base\$(DEBUG_EXT)\$(SO)"
case $doconfig in
no) SHAREDMODS="$SHAREDMODS $file";;
esac
diff --git a/Python/dynload_shlib.c b/Python/dynload_shlib.c
index 17ebab1..02a94aa 100644
--- a/Python/dynload_shlib.c
+++ b/Python/dynload_shlib.c
@@ -46,11 +46,16 @@ const struct filedescr _PyImport_DynLoadFiletab[] = {
{"module.exe", "rb", C_EXTENSION},
{"MODULE.EXE", "rb", C_EXTENSION},
#else
+#ifdef Py_DEBUG
+ {"_d.so", "rb", C_EXTENSION},
+ {"module_d.so", "rb", C_EXTENSION},
+#else
{".so", "rb", C_EXTENSION},
{"module.so", "rb", C_EXTENSION},
-#endif
-#endif
-#endif
+#endif /* Py_DEBUG */
+#endif /* __VMS */
+#endif /* defined(PYOS_OS2) && defined(PYCC_GCC) */
+#endif /* __CYGWIN__ */
{0, 0}
};
diff --git a/Python/sysmodule.c b/Python/sysmodule.c
index aeff38a..183e3cc 100644
--- a/Python/sysmodule.c
+++ b/Python/sysmodule.c
@@ -1524,6 +1524,12 @@ _PySys_Init(void)
PyString_FromString("legacy"));
#endif
+#ifdef Py_DEBUG
+ PyDict_SetItemString(sysdict, "pydebug", Py_True);
+#else
+ PyDict_SetItemString(sysdict, "pydebug", Py_False);
+#endif
+
#undef SET_SYS_FROM_STRING
if (PyErr_Occurred())
return NULL;
diff --git a/configure.ac b/configure.ac
index 0a902c7..5caedb7 100644
--- a/configure.ac
+++ b/configure.ac
@@ -764,7 +764,7 @@ AC_SUBST(LIBRARY)
AC_MSG_CHECKING(LIBRARY)
if test -z "$LIBRARY"
then
- LIBRARY='libpython$(VERSION).a'
+ LIBRARY='libpython$(VERSION)$(DEBUG_EXT).a'
fi
AC_MSG_RESULT($LIBRARY)
@@ -910,8 +910,8 @@ if test $enable_shared = "yes"; then
INSTSONAME="$LDLIBRARY".$SOVERSION
;;
Linux*|GNU*|NetBSD*|FreeBSD*|DragonFly*|OpenBSD*)
- LDLIBRARY='libpython$(VERSION).so'
- BLDLIBRARY='-L. -lpython$(VERSION)'
+ LDLIBRARY='libpython$(VERSION)$(DEBUG_EXT).so'
+ BLDLIBRARY='-L. -lpython$(VERSION)$(DEBUG_EXT)'
RUNSHARED=LD_LIBRARY_PATH=`pwd`${LD_LIBRARY_PATH:+:${LD_LIBRARY_PATH}}
case $ac_sys_system in
FreeBSD*)
@@ -1040,6 +1040,14 @@ else AC_MSG_RESULT(no); Py_DEBUG='false'
fi],
[AC_MSG_RESULT(no)])
+if test "$Py_DEBUG" = 'true'
+then
+ DEBUG_EXT=_d
+ DEBUG_SUFFIX=-debug
+fi
+AC_SUBST(DEBUG_EXT)
+AC_SUBST(DEBUG_SUFFIX)
+
# XXX Shouldn't the code above that fiddles with BASECFLAGS and OPT be
# merged with this chunk of code?
--
2.11.0