Allow plpython to build on Win32.

Magnus Hagander

Author: bmomjian

config/python.m4

@@ -1,7 +1,7 @@
 #
 # Autoconf macros for configuring the build of Python extension modules
 #
-# $PostgreSQL: pgsql/config/python.m4,v 1.8 2004/09/16 23:30:30 joe Exp $
+# $PostgreSQL: pgsql/config/python.m4,v 1.9 2004/10/06 09:20:40 momjian Exp $
 #
 
 # PGAC_PATH_PYTHON
@@ -34,15 +34,13 @@ python_version=`${PYTHON} -c "import sys; print sys.version[[:3]]"`
 python_prefix=`${PYTHON} -c "import sys; print sys.prefix"`
 python_execprefix=`${PYTHON} -c "import sys; print sys.exec_prefix"`
 python_configdir=`${PYTHON} -c "from distutils.sysconfig import get_python_lib as f; import os; print os.path.join(f(plat_specific=1,standard_lib=1),'config')"`
-python_includespec="-I${python_prefix}/include/python${python_version}"
-if test "$python_prefix" != "$python_execprefix"; then
-  python_includespec="-I${python_execprefix}/include/python${python_version} $python_includespec"
-fi
+python_includespec=`${PYTHON} -c "import distutils.sysconfig; print '-I'+distutils.sysconfig.get_python_inc()"`
 
 AC_SUBST(python_prefix)[]dnl
 AC_SUBST(python_execprefix)[]dnl
 AC_SUBST(python_configdir)[]dnl
 AC_SUBST(python_includespec)[]dnl
+AC_SUBST(python_version)[]dnl
 # This should be enough of a message.
 if test "$python_prefix" != "$python_execprefix"; then
   AC_MSG_RESULT([$python_prefix/lib/python${python_version} and $python_execprefix/lib/python${python_version}])
@@ -54,24 +52,11 @@ fi
 
 # PGAC_CHECK_PYTHON_EMBED_SETUP
 # -----------------------------
-# Courtesy of the INN 2.3.1 package...
 AC_DEFUN([PGAC_CHECK_PYTHON_EMBED_SETUP],
 [AC_REQUIRE([_PGAC_CHECK_PYTHON_DIRS])
 AC_MSG_CHECKING([how to link an embedded Python application])
 
-if test ! -f "$python_configdir/Makefile"; then
-  AC_MSG_RESULT(no)
-  AC_MSG_ERROR([Python Makefile not found])
-fi
-
-_python_libs=`grep '^LIBS=' $python_configdir/Makefile | sed 's/^.*=//'`
-_python_libc=`grep '^LIBC=' $python_configdir/Makefile | sed 's/^.*=//'`
-_python_libm=`grep '^LIBM=' $python_configdir/Makefile | sed 's/^.*=//'`
-_python_liblocalmod=`grep '^LOCALMODLIBS=' $python_configdir/Makefile | sed 's/^.*=//'`
-_python_libbasemod=`grep '^BASEMODLIBS=' $python_configdir/Makefile | sed 's/^.*=//'`
-
-pgac_tab="	" # tab character
-python_libspec=`echo X"-L$python_configdir $_python_libs $_python_libc $_python_libm -lpython$python_version $_python_liblocalmod $_python_libbasemod" | sed -e 's/^X//' -e "s/[[ $pgac_tab]][[ $pgac_tab]]*/ /g"`
+python_libspec=`${PYTHON} -c "import distutils.sysconfig,string;print string.join(filter(None,distutils.sysconfig.get_config_vars('LIBS','LIBC','LIBM','LOCALMODLIBS','BASEMODLIBS')))"`
 
 AC_MSG_RESULT([${python_libspec}])
 

configure

@@ -4241,10 +4241,7 @@ python_version=`${PYTHON} -c "import sys; print sys.version[:3]"`
 python_prefix=`${PYTHON} -c "import sys; print sys.prefix"`
 python_execprefix=`${PYTHON} -c "import sys; print sys.exec_prefix"`
 python_configdir=`${PYTHON} -c "from distutils.sysconfig import get_python_lib as f; import os; print os.path.join(f(plat_specific=1,standard_lib=1),'config')"`
-python_includespec="-I${python_prefix}/include/python${python_version}"
-if test "$python_prefix" != "$python_execprefix"; then
-  python_includespec="-I${python_execprefix}/include/python${python_version} $python_includespec"
-fi
+python_includespec=`${PYTHON} -c "import distutils.sysconfig; print '-I'+distutils.sysconfig.get_python_inc()"`
 
 # This should be enough of a message.
 if test "$python_prefix" != "$python_execprefix"; then
@@ -4259,22 +4256,7 @@ fi
 echo "$as_me:$LINENO: checking how to link an embedded Python application" >&5
 echo $ECHO_N "checking how to link an embedded Python application... $ECHO_C" >&6
 
-if test ! -f "$python_configdir/Makefile"; then
-  echo "$as_me:$LINENO: result: no" >&5
-echo "${ECHO_T}no" >&6
-  { { echo "$as_me:$LINENO: error: Python Makefile not found" >&5
-echo "$as_me: error: Python Makefile not found" >&2;}
-   { (exit 1); exit 1; }; }
-fi
-
-_python_libs=`grep '^LIBS=' $python_configdir/Makefile | sed 's/^.*=//'`
-_python_libc=`grep '^LIBC=' $python_configdir/Makefile | sed 's/^.*=//'`
-_python_libm=`grep '^LIBM=' $python_configdir/Makefile | sed 's/^.*=//'`
-_python_liblocalmod=`grep '^LOCALMODLIBS=' $python_configdir/Makefile | sed 's/^.*=//'`
-_python_libbasemod=`grep '^BASEMODLIBS=' $python_configdir/Makefile | sed 's/^.*=//'`
-
-pgac_tab="	" # tab character
-python_libspec=`echo X"-L$python_configdir $_python_libs $_python_libc $_python_libm -lpython$python_version $_python_liblocalmod $_python_libbasemod" | sed -e 's/^X//' -e "s/[ $pgac_tab][ $pgac_tab]*/ /g"`
+python_libspec=`${PYTHON} -c "import distutils.sysconfig,string;print string.join(filter(None,distutils.sysconfig.get_config_vars('LIBS','LIBC','LIBM','LOCALMODLIBS','BASEMODLIBS')))"`
 
 echo "$as_me:$LINENO: result: ${python_libspec}" >&5
 echo "${ECHO_T}${python_libspec}" >&6
@@ -18778,6 +18760,7 @@ s,@python_prefix@,$python_prefix,;t t
 s,@python_execprefix@,$python_execprefix,;t t
 s,@python_configdir@,$python_configdir,;t t
 s,@python_includespec@,$python_includespec,;t t
+s,@python_version@,$python_version,;t t
 s,@python_libspec@,$python_libspec,;t t
 s,@LIBOBJS@,$LIBOBJS,;t t
 s,@HAVE_IPV6@,$HAVE_IPV6,;t t

src/Makefile.global.in

@@ -1,5 +1,5 @@
 # -*-makefile-*-
-# $PostgreSQL: pgsql/src/Makefile.global.in,v 1.197 2004/10/05 19:30:19 momjian Exp $
+# $PostgreSQL: pgsql/src/Makefile.global.in,v 1.198 2004/10/06 09:20:41 momjian Exp $
 
 #------------------------------------------------------------------------------
 # All PostgreSQL makefiles include this file and use the variables it sets,
@@ -137,6 +137,7 @@ enable_thread_safety	= @enable_thread_safety@
 python_includespec	= @python_includespec@
 python_libspec		= @python_libspec@
 python_configdir	= @python_configdir@
+python_version		= @python_version@
 
 krb_srvtab = @krb_srvtab@
 

src/pl/plpython/Makefile

@@ -1,4 +1,4 @@
-# $PostgreSQL: pgsql/src/pl/plpython/Makefile,v 1.14 2004/09/24 20:08:42 tgl Exp $
+# $PostgreSQL: pgsql/src/pl/plpython/Makefile,v 1.15 2004/10/06 09:20:41 momjian Exp $
 
 subdir = src/pl/plpython
 top_builddir = ../../..
@@ -12,6 +12,12 @@ ifneq (,$(wildcard $(python_configdir)/libpython*$(DLSUFFIX)*))
 shared_libpython = yes
 endif
 
+# Convert backslashed paths to normal slashes
+ifeq ($(PORTNAME), win32)
+shared_libpython = yes
+python_includespec := $(subst \,/,$(python_includespec))
+endif
+
 # Darwin (OS X) has its own ideas about how to do this.
 ifeq ($(PORTNAME), darwin)
 shared_libpython = yes
@@ -30,6 +36,21 @@ SO_MAJOR_VERSION = 0
 SO_MINOR_VERSION = 0
 OBJS = plpython.o
 
+
+# Python on win32 ships with import libraries only for Microsoft Visual C++,
+# which are not compatible with mingw gcc. Therefore we need to build a
+# new import library to link with.
+ifeq ($(PORTNAME), win32)
+pytverstr=$(subst .,,${python_version})
+OBJS += libpython${pytverstr}.a
+libpython${pytverstr}.a: python${pytverstr}.def
+	dlltool --dllname python${pytverstr}.dll --def python${pytverstr}.def --output-lib  libpython${pytverstr}.a
+WD=$(subst \,/,$(WINDIR))
+python${pytverstr}.def: $(WD)/system32/python${pytverstr}.dll
+	pexports $(WD)/system32/python${pytverstr}.dll > python${pytverstr}.def
+endif
+
+
 SHLIB_LINK = $(BE_DLLLIBS) $(python_libspec)
 
 include $(top_srcdir)/src/Makefile.shlib
@@ -55,6 +76,9 @@ uninstall:
 clean distclean maintainer-clean: clean-lib
 	rm -f $(OBJS)
 	@rm -f error.diff feature.diff error.output feature.output test.log
+ifeq ($(PORTNAME), win32)
+	rm -f python${pytverstr}.def
+endif
 
 installcheck:
 	PATH=$(bindir):$$PATH $(SHELL) $(srcdir)/test.sh