mirror of
https://github.com/autc04/Retro68.git
synced 2024-11-30 19:53:46 +00:00
135 lines
4.8 KiB
Plaintext
135 lines
4.8 KiB
Plaintext
# Build a shared libgcc library with the darwin linker.
|
|
SHLIB_SOVERSION = 1
|
|
SHLIB_VERSTRING = -compatibility_version $(SHLIB_SOVERSION) -current_version $(SHLIB_SOVERSION).0
|
|
SHLIB_EXT = .dylib
|
|
SHLIB_INSTALL_NAME = @shlib_base_name@.$(SHLIB_SOVERSION)$(SHLIB_EXT)
|
|
SHLIB_SONAME = @shlib_base_name@$(SHLIB_EXT)
|
|
SHLIB_SOLINK = @shlib_base_name@.so
|
|
SHLIB_MAP = @shlib_map_file@
|
|
SHLIB_OBJS = @shlib_objs@
|
|
SHLIB_DIR = @multilib_dir@
|
|
SHLIB_LC = -lc
|
|
|
|
# Darwin only searches in /usr/lib for shared libraries, not in subdirectories,
|
|
# so the libgcc variants have different names not different locations.
|
|
# Note that this version is used for the loader, not the linker; the linker
|
|
# uses the stub versions named by the versioned members of $(INSTALL_FILES).
|
|
|
|
SHLIB_LINK = $(CC) $(LIBGCC2_CFLAGS) -dynamiclib -nodefaultlibs \
|
|
-install_name @shlib_slibdir@/$(SHLIB_INSTALL_NAME) \
|
|
-single_module -o $(SHLIB_DIR)/$(SHLIB_SONAME) \
|
|
-Wl,-exported_symbols_list,$(SHLIB_MAP) \
|
|
$(SHLIB_VERSTRING) \
|
|
@multilib_flags@ $(SHLIB_OBJS) $(SHLIB_LC)
|
|
|
|
SHLIB_MKMAP = $(srcdir)/mkmap-flat.awk
|
|
SHLIB_MKMAP_OPTS = -v leading_underscore=1
|
|
SHLIB_MAPFILES = libgcc-std.ver $(srcdir)/config/libgcc-libsystem.ver
|
|
SHLIB_VERPFX = $(srcdir)/config/$(cpu_type)/libgcc-darwin
|
|
|
|
# we're only going to build the stubs if the target slib is /usr/lib
|
|
# there is no other case in which they're useful in a live system.
|
|
ifeq (/usr/lib,$(shlib_slibdir))
|
|
LGCC_STUBS = libgcc_s.10.4.dylib libgcc_s.10.5.dylib
|
|
else
|
|
LGCC_STUBS =
|
|
endif
|
|
|
|
LGCC_FILES = libgcc_s.$(SHLIB_SOVERSION)$(SHLIB_EXT)
|
|
LGCC_FILES += $(LGCC_STUBS)
|
|
LEXT_STUBS = libgcc_ext.10.4$(SHLIB_EXT) libgcc_ext.10.5$(SHLIB_EXT)
|
|
LGCC_FILES += $(LEXT_STUBS)
|
|
INSTALL_FILES=$(LGCC_FILES)
|
|
|
|
# we do our own thing
|
|
SHLIB_INSTALL =
|
|
|
|
# For the toplevel multilib, build a fat archive including all the multilibs.
|
|
ifeq ($(MULTIBUILDTOP),)
|
|
|
|
ifeq ($(enable_shared),yes)
|
|
all: $(INSTALL_FILES)
|
|
install-leaf: install-darwin-libgcc-stubs
|
|
endif
|
|
|
|
# In order to support -mmacosx-version-min, you need to have multiple
|
|
# different libgcc_s libraries that actually get linked against, one for
|
|
# each system version supported. They are 'stub' libraries that
|
|
# contain no code, just a list of exported symbols.
|
|
# The actual use of the libraries is controlled by REAL_LIBGCC_SPEC.
|
|
#
|
|
# This assumes each multilib corresponds to a different architecture.
|
|
libgcc_s.%.dylib : all-multi $(SHLIB_VERPFX).%.ver libgcc_s$(SHLIB_EXT)
|
|
MLIBS=`$(CC) --print-multi-lib | sed -e 's/;.*$$//'` ; \
|
|
for mlib in $$MLIBS ; do \
|
|
$(STRIP) -o $(@)_T$${mlib} \
|
|
-s $(SHLIB_VERPFX).$(*).ver -c -u \
|
|
../$${mlib}/libgcc/$${mlib}/libgcc_s$(SHLIB_EXT) || exit 1 ; \
|
|
done
|
|
$(LIPO) -output $@ -create $(@)_T*
|
|
rm $(@)_T*
|
|
|
|
libgcc_ext.%.dylib : all-multi $(SHLIB_VERPFX).%.ver libgcc_s$(SHLIB_EXT)
|
|
MLIBS=`$(CC) --print-multi-lib | sed -e 's/;.*$$//'` ; \
|
|
for mlib in $$MLIBS ; do \
|
|
$(STRIP) -o $(@)_T$${mlib} \
|
|
-R $(SHLIB_VERPFX).$(*).ver -c -urx \
|
|
../$${mlib}/libgcc/$${mlib}/libgcc_s$(SHLIB_EXT) || exit 1 ; \
|
|
done
|
|
$(LIPO) -output $@ -create $(@)_T*
|
|
rm $(@)_T*
|
|
|
|
libgcc_s.$(SHLIB_SOVERSION)$(SHLIB_EXT): all-multi libgcc_s$(SHLIB_EXT)
|
|
MLIBS=`$(CC) --print-multi-lib | sed -e 's/;.*$$//'` ; \
|
|
for mlib in $$MLIBS ; do \
|
|
cp ../$${mlib}/libgcc/$${mlib}/libgcc_s$(SHLIB_EXT) \
|
|
./libgcc_s.$(SHLIB_SOVERSION)$(SHLIB_EXT)_T_$${mlib} || exit 1 ; \
|
|
done
|
|
$(LIPO) -output libgcc_s.$(SHLIB_SOVERSION)$(SHLIB_EXT) \
|
|
-create libgcc_s.$(SHLIB_SOVERSION)$(SHLIB_EXT)_T*
|
|
rm libgcc_s.$(SHLIB_SOVERSION)$(SHLIB_EXT)_T*
|
|
|
|
install-darwin-libgcc-stubs :
|
|
$(mkinstalldirs) $(DESTDIR)$(slibdir)
|
|
for d in $(INSTALL_FILES) ; do \
|
|
$(INSTALL_DATA) $$d $(DESTDIR)$(slibdir)/$$d || exit 1 ; \
|
|
done
|
|
if [ -f $(DESTDIR)$(slibdir)/libgcc_s_ppc64.1.dylib ]; then \
|
|
rm -f $(DESTDIR)$(slibdir)/libgcc_s_ppc64.1.dylib; \
|
|
else true; fi
|
|
$(LN_S) libgcc_s.1.dylib \
|
|
$(DESTDIR)$(slibdir)/libgcc_s_ppc64.1.dylib
|
|
if [ -f $(DESTDIR)$(slibdir)/libgcc_s_x86_64.1.dylib ]; then \
|
|
rm -f $(DESTDIR)$(slibdir)/libgcc_s_x86_64.1.dylib; \
|
|
else true; fi
|
|
$(LN_S) libgcc_s.1.dylib \
|
|
$(DESTDIR)$(slibdir)/libgcc_s_x86_64.1.dylib
|
|
|
|
else
|
|
|
|
# Do not install shared libraries for any other multilibs. Unless
|
|
# we're putting them in the gcc directory during a build, for
|
|
# compatibility with the pre-top-level layout. In that case we
|
|
# need symlinks.
|
|
|
|
ifeq ($(enable_shared),yes)
|
|
all: install-darwin-libgcc-links
|
|
endif
|
|
|
|
install-darwin-libgcc-links:
|
|
$(mkinstalldirs) $(gcc_objdir)$(MULTISUBDIR)
|
|
for file in $(INSTALL_FILES); do \
|
|
rm -f $(gcc_objdir)$(MULTISUBDIR)/$$file; \
|
|
$(LN_S) ../$$file $(gcc_objdir)$(MULTISUBDIR)/; \
|
|
done
|
|
|
|
rm -f $(gcc_objdir)$(MULTISUBDIR)/libgcc_s_x86_64.1.dylib
|
|
$(LN_S) libgcc_s.1.dylib \
|
|
$(gcc_objdir)$(MULTISUBDIR)/libgcc_s_x86_64.1.dylib
|
|
|
|
rm -f $(gcc_objdir)$(MULTISUBDIR)/libgcc_s_ppc64.1.dylib
|
|
$(LN_S) libgcc_s.1.dylib \
|
|
$(gcc_objdir)$(MULTISUBDIR)/libgcc_s_ppc64.1.dylib
|
|
|
|
endif
|