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This patch enables the building of Cygwin Python with a static core
which still supports shared extensions. It takes advantage the latest Cygwin binutils (i.e., 20030901-1) which can export symbols from executables: http://cygwin.com/ml/cygwin-announce/2003-09/msg00002.html Additionally, it finally lays to rest the following mailing list subthread: http://mail.python.org/pipermail/python-list/2002-May/102500.html I tested the patch under Red Hat Linux 8.0 too
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@ -421,7 +421,8 @@ extern double hypot(double, double);
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# define HAVE_DECLSPEC_DLL
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#endif
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#if defined(Py_ENABLE_SHARED) /* only get special linkage if built as shared */
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/* only get special linkage if built as shared or platform is Cygwin */
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#if defined(Py_ENABLE_SHARED) || defined(__CYGWIN__)
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# if defined(HAVE_DECLSPEC_DLL)
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# ifdef Py_BUILD_CORE
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# define PyAPI_FUNC(RTYPE) __declspec(dllexport) RTYPE
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@ -379,10 +379,14 @@ $(PYTHONFRAMEWORKDIR)/Versions/$(VERSION)/$(PYTHONFRAMEWORK): \
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$(LN) -fsn Versions/Current/Headers $(PYTHONFRAMEWORKDIR)/Headers
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$(LN) -fsn Versions/Current/Resources $(PYTHONFRAMEWORKDIR)/Resources
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# This rule builds the Cygwin Python DLL
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libpython$(VERSION).dll.a: $(LIBRARY_OBJS)
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$(LDSHARED) -Wl,--out-implib=$@ -o $(DLLLIBRARY) $^ \
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$(LIBS) $(MODLIBS) $(SYSLIBS)
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# This rule builds the Cygwin Python DLL and import library if configured
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# for a shared core library; otherwise, this rule is a noop.
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$(DLLLIBRARY) libpython$(VERSION).dll.a: $(LIBRARY_OBJS)
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if test -n "$(DLLLIBRARY)"; then \
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$(LDSHARED) -Wl,--out-implib=$@ -o $(DLLLIBRARY) $^ \
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$(LIBS) $(MODLIBS) $(SYSLIBS); \
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else true; \
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fi
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oldsharedmods: $(SHAREDMODS)
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14
configure
vendored
14
configure
vendored
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@ -1,5 +1,5 @@
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#! /bin/sh
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# From configure.in Revision: 1.428 .
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# From configure.in Revision: 1.429 .
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# Guess values for system-dependent variables and create Makefiles.
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# Generated by GNU Autoconf 2.57 for python 2.4.
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#
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@ -3619,6 +3619,13 @@ _ACEOF
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BASECFLAGS="$BASECFLAGS -pic"
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;;
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esac
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else # shared is disabled
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case $ac_sys_system in
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CYGWIN*)
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BLDLIBRARY='$(LIBRARY)'
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LDLIBRARY='libpython$(VERSION).dll.a'
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;;
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esac
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fi
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echo "$as_me:$LINENO: result: $LDLIBRARY" >&5
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@ -10192,6 +10199,11 @@ then
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LINKFORSHARED="-Xlinker --export-dynamic"
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fi;;
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esac;;
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CYGWIN*)
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if test $enable_shared = "no"
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then
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LINKFORSHARED='-Wl,--out-implib=$(LDLIBRARY)'
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fi;;
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esac
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fi
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echo "$as_me:$LINENO: result: $LINKFORSHARED" >&5
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12
configure.in
12
configure.in
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@ -539,6 +539,13 @@ if test $enable_shared = "yes"; then
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BASECFLAGS="$BASECFLAGS -pic"
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;;
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esac
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else # shared is disabled
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case $ac_sys_system in
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CYGWIN*)
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BLDLIBRARY='$(LIBRARY)'
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LDLIBRARY='libpython$(VERSION).dll.a'
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;;
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esac
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fi
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AC_MSG_RESULT($LDLIBRARY)
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@ -1371,6 +1378,11 @@ then
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LINKFORSHARED="-Xlinker --export-dynamic"
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fi;;
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esac;;
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CYGWIN*)
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if test $enable_shared = "no"
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then
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LINKFORSHARED='-Wl,--out-implib=$(LDLIBRARY)'
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fi;;
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esac
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fi
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AC_MSG_RESULT($LINKFORSHARED)
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