MINGW-packages/mingw-w64-python/0100-Build-and-install-libpython3.dll.patch
2024-11-03 19:29:19 +01:00

109 lines
4.4 KiB
Diff

From 721a85f0c5354f308dd71ded5467d391f464e4db Mon Sep 17 00:00:00 2001
From: Christoph Reiter <reiter.christoph@gmail.com>
Date: Mon, 21 Aug 2023 08:19:28 +0200
Subject: [PATCH 100/N] Build and install libpython3.dll
This provides the limited ABI as a separate DLL, forwarding to the
real one. This makes linking with "-lpython3" work.
Fixes #147
---
Makefile.pre.in | 15 +++++++++++++--
PC/python3dll.c | 8 ++++++++
2 files changed, 21 insertions(+), 2 deletions(-)
diff --git a/Makefile.pre.in b/Makefile.pre.in
index 0994948..34e91eb 100644
--- a/Makefile.pre.in
+++ b/Makefile.pre.in
@@ -273,6 +273,8 @@ LIBRARY_DEPS= @LIBRARY_DEPS@
LINK_PYTHON_DEPS=@LINK_PYTHON_DEPS@
PY_ENABLE_SHARED= @PY_ENABLE_SHARED@
STATIC_LIBPYTHON= @STATIC_LIBPYTHON@
+ABI3DLLLIBRARY= libpython3.dll
+ABI3LDLIBRARY= libpython3.dll.a
LIBS= @LIBS@
@@ -633,7 +635,7 @@ all: @DEF_MAKE_ALL_RULE@
.PHONY: build_all
build_all: check-clean-src $(BUILDPYTHON) $(BUILDPYTHONW) $(BUILDVENVLAUNCHER) $(BUILDVENVWLAUNCHER) platform sharedmods \
- gdbhooks Programs/_testembed scripts checksharedmods rundsymutil
+ gdbhooks Programs/_testembed scripts checksharedmods rundsymutil $(ABI3DLLLIBRARY) $(ABI3LDLIBRARY)
.PHONY: build_wasm
build_wasm: check-clean-src $(BUILDPYTHON) platform sharedmods \
@@ -808,6 +810,9 @@ pythonw_exe.o: $(srcdir)/PC/pythonw_exe.rc
python_nt.o: $(srcdir)/PC/python_nt.rc
$(WINDRES) $(RCFLAGS) -DORIGINAL_FILENAME=\\\"$(DLLLIBRARY)\\\" -I$(srcdir)/Include -I$(srcdir)/PC -I. $(srcdir)/PC/python_nt.rc $@
+python3dll_nt.o: $(srcdir)/PC/python_nt.rc
+ $(WINDRES) $(RCFLAGS) -DORIGINAL_FILENAME=\\\"$(ABI3DLLLIBRARY)\\\" -I$(srcdir)/Include -I$(srcdir)/PC -I. $(srcdir)/PC/python_nt.rc $@
+
venvlauncher.o: $(srcdir)/PC/pylauncher.rc
$(WINDRES) $(RCFLAGS) -DPY_ICON -I$(srcdir)/Include -I$(srcdir)/PC -I. $(srcdir)/PC/pylauncher.rc $@
@@ -921,6 +926,10 @@ $(DLLLIBRARY) libpython$(LDVERSION).dll.a: $(LIBRARY_OBJS) python_nt.o
else true; \
fi
+$(ABI3DLLLIBRARY) $(ABI3LDLIBRARY): python3dll_nt.o $(srcdir)/PC/launcher.c
+ $(LDSHARED) -DPYTHON_DLL_NAME=\"$(DLLLIBRARY)\" $(srcdir)/PC/python3dll.c -Wl,--out-implib=$(ABI3LDLIBRARY) -o $(ABI3DLLLIBRARY) python3dll_nt.o \
+ $(LDFLAGS_NODIST);
+
# wasm32-emscripten browser build
# wasm assets directory is relative to current build dir, e.g. "./usr/local".
# --preload-file turns a relative asset path into an absolute path.
@@ -2029,6 +2038,7 @@ altbininstall: $(BUILDPYTHON) @FRAMEWORKPYTHONW@
if test -f $(LDLIBRARY) && test "$(PYTHONFRAMEWORKDIR)" = "no-framework" ; then \
if test -n "$(DLLLIBRARY)" ; then \
$(INSTALL_SHARED) $(DLLLIBRARY) $(DESTDIR)$(BINDIR); \
+ $(INSTALL_SHARED) $(ABI3DLLLIBRARY) $(DESTDIR)$(BINDIR); \
else \
$(INSTALL_SHARED) $(LDLIBRARY) $(DESTDIR)$(LIBDIR)/$(INSTSONAME); \
if test $(LDLIBRARY) != $(INSTSONAME); then \
@@ -2499,6 +2509,7 @@ libainstall: all scripts
if test "$(PYTHONFRAMEWORKDIR)" = no-framework; then \
if test "$(SHLIB_SUFFIX)" = .dll -o "$(SHLIB_SUFFIX)" = .pyd; then \
$(INSTALL_DATA) $(LDLIBRARY) $(DESTDIR)$(LIBDIR) ; \
+ $(INSTALL_DATA) $(ABI3LDLIBRARY) $(DESTDIR)$(LIBDIR) ; \
else \
$(INSTALL_DATA) $(LIBRARY) $(DESTDIR)$(LIBPL)/$(LIBRARY) ; \
fi; \
@@ -2752,7 +2763,7 @@ clean: clean-retain-profile clean-bolt
.PHONY: clobber
clobber: clean
- -rm -f $(BUILDPYTHON) $(LIBRARY) $(LDLIBRARY) $(DLLLIBRARY) \
+ -rm -f $(BUILDPYTHON) $(LIBRARY) $(LDLIBRARY) $(DLLLIBRARY)$(ABI3LDLIBRARY) $(ABI3DLLLIBRARY) \
tags TAGS \
config.cache config.log pyconfig.h Modules/config.c
-rm -rf build platform
diff --git a/PC/python3dll.c b/PC/python3dll.c
index 505feef..ee9380c 100755
--- a/PC/python3dll.c
+++ b/PC/python3dll.c
@@ -2,6 +2,7 @@
/* Generated by Tools/build/stable_abi.py */
+#ifdef _MSC_VER
#ifdef _M_IX86
#define DECORATE "_"
#else
@@ -12,6 +13,13 @@
__pragma(comment(linker, "/EXPORT:" DECORATE #name "=" PYTHON_DLL_NAME "." #name))
#define EXPORT_DATA(name) \
__pragma(comment(linker, "/EXPORT:" DECORATE #name "=" PYTHON_DLL_NAME "." #name ",DATA"))
+#else
+// XXX: Why do we need the .dll extension and no DECORATE compared to the MSVC case?
+#define EXPORT_FUNC(name) \
+ asm(".section .drectve\n\t.ascii \" -export:" #name "=\\\"" PYTHON_DLL_NAME "." #name "\\\" \"");
+#define EXPORT_DATA(name) \
+ asm(".section .drectve\n\t.ascii \" -export:" #name "=\\\"" PYTHON_DLL_NAME "." #name "\\\",DATA \"");
+#endif
EXPORT_FUNC(_Py_BuildValue_SizeT)
EXPORT_FUNC(_Py_CheckRecursiveCall)