t-slibgcc-darwin revision 1.1.1.1.8.2
1 1.1.1.1.8.2 tls # Build a shared libgcc library with the darwin linker. 2 1.1.1.1.8.2 tls SHLIB_SOVERSION = 1 3 1.1.1.1.8.2 tls SHLIB_VERSTRING = -compatibility_version $(SHLIB_SOVERSION) -current_version $(SHLIB_SOVERSION).0 4 1.1.1.1.8.2 tls SHLIB_EXT = .dylib 5 1.1.1.1.8.2 tls SHLIB_INSTALL_NAME = @shlib_base_name@.$(SHLIB_SOVERSION)$(SHLIB_EXT) 6 1.1.1.1.8.2 tls SHLIB_SONAME = @shlib_base_name@$(SHLIB_EXT) 7 1.1.1.1.8.2 tls SHLIB_SOLINK = @shlib_base_name@.so 8 1.1.1.1.8.2 tls SHLIB_MAP = @shlib_map_file@ 9 1.1.1.1.8.2 tls SHLIB_OBJS = @shlib_objs@ 10 1.1.1.1.8.2 tls SHLIB_DIR = @multilib_dir@ 11 1.1.1.1.8.2 tls SHLIB_LC = -lc 12 1.1.1.1.8.2 tls 13 1.1.1.1.8.2 tls # Darwin only searches in /usr/lib for shared libraries, not in subdirectories, 14 1.1.1.1.8.2 tls # so the libgcc variants have different names not different locations. 15 1.1.1.1.8.2 tls # Note that this version is used for the loader, not the linker; the linker 16 1.1.1.1.8.2 tls # uses the stub versions named by the versioned members of $(INSTALL_FILES). 17 1.1.1.1.8.2 tls 18 1.1.1.1.8.2 tls SHLIB_LINK = $(CC) $(LIBGCC2_CFLAGS) -dynamiclib -nodefaultlibs \ 19 1.1.1.1.8.2 tls -install_name @shlib_slibdir@/$(SHLIB_INSTALL_NAME) \ 20 1.1.1.1.8.2 tls -single_module -o $(SHLIB_DIR)/$(SHLIB_SONAME) \ 21 1.1.1.1.8.2 tls -Wl,-exported_symbols_list,$(SHLIB_MAP) \ 22 1.1.1.1.8.2 tls $(SHLIB_VERSTRING) \ 23 1.1.1.1.8.2 tls @multilib_flags@ $(SHLIB_OBJS) $(SHLIB_LC) 24 1.1.1.1.8.2 tls 25 1.1.1.1.8.2 tls SHLIB_MKMAP = $(gcc_srcdir)/mkmap-flat.awk 26 1.1.1.1.8.2 tls SHLIB_MKMAP_OPTS = -v leading_underscore=1 27 1.1.1.1.8.2 tls SHLIB_MAPFILES += $(gcc_srcdir)/libgcc-std.ver $(gcc_srcdir)/libgcc-libsystem.ver 28 1.1.1.1.8.2 tls 29 1.1.1.1.8.2 tls # we're only going to build the stubs if the target slib is /usr/lib 30 1.1.1.1.8.2 tls # there is no other case in which they're useful in a live system. 31 1.1.1.1.8.2 tls ifeq (/usr/lib,$(shlib_slibdir)) 32 1.1.1.1.8.2 tls LGCC_STUBS = libgcc_s.10.4.dylib libgcc_s.10.5.dylib 33 1.1.1.1.8.2 tls else 34 1.1.1.1.8.2 tls LGCC_STUBS = 35 1.1.1.1.8.2 tls endif 36 1.1.1.1.8.2 tls 37 1.1.1.1.8.2 tls LGCC_FILES = libgcc_s.$(SHLIB_SOVERSION)$(SHLIB_EXT) 38 1.1.1.1.8.2 tls LGCC_FILES += $(LGCC_STUBS) 39 1.1.1.1.8.2 tls LEXT_STUBS = libgcc_ext.10.4$(SHLIB_EXT) libgcc_ext.10.5$(SHLIB_EXT) 40 1.1.1.1.8.2 tls LGCC_FILES += $(LEXT_STUBS) 41 1.1.1.1.8.2 tls INSTALL_FILES=$(LGCC_FILES) 42 1.1.1.1.8.2 tls 43 1.1.1.1.8.2 tls # we do our own thing 44 1.1.1.1.8.2 tls SHLIB_INSTALL = 45 1.1.1.1.8.2 tls 46 1.1.1.1.8.2 tls # For the toplevel multilib, build a fat archive including all the multilibs. 47 1.1.1.1.8.2 tls ifeq ($(MULTIBUILDTOP),) 48 1.1.1.1.8.2 tls 49 1.1.1.1.8.2 tls ifeq ($(enable_shared),yes) 50 1.1.1.1.8.2 tls all: $(INSTALL_FILES) 51 1.1.1.1.8.2 tls install-leaf: install-darwin-libgcc-stubs 52 1.1.1.1.8.2 tls endif 53 1.1.1.1.8.2 tls 54 1.1.1.1.8.2 tls # In order to support -mmacosx-version-min, you need to have multiple 55 1.1.1.1.8.2 tls # different libgcc_s libraries that actually get linked against, one for 56 1.1.1.1.8.2 tls # each system version supported. They are 'stub' libraries that 57 1.1.1.1.8.2 tls # contain no code, just a list of exported symbols. 58 1.1.1.1.8.2 tls # The actual use of the libraries is controlled by REAL_LIBGCC_SPEC. 59 1.1.1.1.8.2 tls # 60 1.1.1.1.8.2 tls # This assumes each multilib corresponds to a different architecture. 61 1.1.1.1.8.2 tls libgcc_s.%.dylib : all-multi $(SHLIB_VERPFX).%.ver libgcc_s$(SHLIB_EXT) 62 1.1.1.1.8.2 tls MLIBS=`$(CC) --print-multi-lib | sed -e 's/;.*$$//'` ; \ 63 1.1.1.1.8.2 tls for mlib in $$MLIBS ; do \ 64 1.1.1.1.8.2 tls $(STRIP) -o $(@)_T$${mlib} \ 65 1.1.1.1.8.2 tls -s $(SHLIB_VERPFX).$(*).ver -c -u \ 66 1.1.1.1.8.2 tls ../$${mlib}/libgcc/$${mlib}/libgcc_s$(SHLIB_EXT) || exit 1 ; \ 67 1.1.1.1.8.2 tls done 68 1.1.1.1.8.2 tls $(LIPO) -output $@ -create $(@)_T* 69 1.1.1.1.8.2 tls rm $(@)_T* 70 1.1.1.1.8.2 tls 71 1.1.1.1.8.2 tls libgcc_ext.%.dylib : all-multi $(SHLIB_VERPFX).%.ver libgcc_s$(SHLIB_EXT) 72 1.1.1.1.8.2 tls MLIBS=`$(CC) --print-multi-lib | sed -e 's/;.*$$//'` ; \ 73 1.1.1.1.8.2 tls for mlib in $$MLIBS ; do \ 74 1.1.1.1.8.2 tls $(STRIP) -o $(@)_T$${mlib} \ 75 1.1.1.1.8.2 tls -R $(SHLIB_VERPFX).$(*).ver -c -urx \ 76 1.1.1.1.8.2 tls ../$${mlib}/libgcc/$${mlib}/libgcc_s$(SHLIB_EXT) || exit 1 ; \ 77 1.1.1.1.8.2 tls done 78 1.1.1.1.8.2 tls $(LIPO) -output $@ -create $(@)_T* 79 1.1.1.1.8.2 tls rm $(@)_T* 80 1.1.1.1.8.2 tls 81 1.1.1.1.8.2 tls libgcc_s.$(SHLIB_SOVERSION)$(SHLIB_EXT): all-multi libgcc_s$(SHLIB_EXT) 82 1.1.1.1.8.2 tls MLIBS=`$(CC) --print-multi-lib | sed -e 's/;.*$$//'` ; \ 83 1.1.1.1.8.2 tls for mlib in $$MLIBS ; do \ 84 1.1.1.1.8.2 tls cp ../$${mlib}/libgcc/$${mlib}/libgcc_s$(SHLIB_EXT) \ 85 1.1.1.1.8.2 tls ./libgcc_s.$(SHLIB_SOVERSION)$(SHLIB_EXT)_T_$${mlib} || exit 1 ; \ 86 1.1.1.1.8.2 tls done 87 1.1.1.1.8.2 tls $(LIPO) -output libgcc_s.$(SHLIB_SOVERSION)$(SHLIB_EXT) \ 88 1.1.1.1.8.2 tls -create libgcc_s.$(SHLIB_SOVERSION)$(SHLIB_EXT)_T* 89 1.1.1.1.8.2 tls rm libgcc_s.$(SHLIB_SOVERSION)$(SHLIB_EXT)_T* 90 1.1.1.1.8.2 tls 91 1.1.1.1.8.2 tls install-darwin-libgcc-stubs : 92 1.1.1.1.8.2 tls $(mkinstalldirs) $(DESTDIR)$(slibdir) 93 1.1.1.1.8.2 tls for d in $(INSTALL_FILES) ; do \ 94 1.1.1.1.8.2 tls $(INSTALL_DATA) $$d $(DESTDIR)$(slibdir)/$$d || exit 1 ; \ 95 1.1.1.1.8.2 tls done 96 1.1.1.1.8.2 tls if [ -f $(DESTDIR)$(slibdir)/libgcc_s_ppc64.1.dylib ]; then \ 97 1.1.1.1.8.2 tls rm -f $(DESTDIR)$(slibdir)/libgcc_s_ppc64.1.dylib; \ 98 1.1.1.1.8.2 tls else true; fi 99 1.1.1.1.8.2 tls $(LN_S) libgcc_s.1.dylib \ 100 1.1.1.1.8.2 tls $(DESTDIR)$(slibdir)/libgcc_s_ppc64.1.dylib 101 1.1.1.1.8.2 tls if [ -f $(DESTDIR)$(slibdir)/libgcc_s_x86_64.1.dylib ]; then \ 102 1.1.1.1.8.2 tls rm -f $(DESTDIR)$(slibdir)/libgcc_s_x86_64.1.dylib; \ 103 1.1.1.1.8.2 tls else true; fi 104 1.1.1.1.8.2 tls $(LN_S) libgcc_s.1.dylib \ 105 1.1.1.1.8.2 tls $(DESTDIR)$(slibdir)/libgcc_s_x86_64.1.dylib 106 1.1.1.1.8.2 tls 107 1.1.1.1.8.2 tls else 108 1.1.1.1.8.2 tls 109 1.1.1.1.8.2 tls # Do not install shared libraries for any other multilibs. Unless 110 1.1.1.1.8.2 tls # we're putting them in the gcc directory during a build, for 111 1.1.1.1.8.2 tls # compatibility with the pre-top-level layout. In that case we 112 1.1.1.1.8.2 tls # need symlinks. 113 1.1.1.1.8.2 tls 114 1.1.1.1.8.2 tls ifeq ($(enable_shared),yes) 115 1.1.1.1.8.2 tls all: install-darwin-libgcc-links 116 1.1.1.1.8.2 tls endif 117 1.1.1.1.8.2 tls 118 1.1.1.1.8.2 tls install-darwin-libgcc-links: 119 1.1.1.1.8.2 tls $(mkinstalldirs) $(gcc_objdir)$(MULTISUBDIR) 120 1.1.1.1.8.2 tls for file in $(INSTALL_FILES); do \ 121 1.1.1.1.8.2 tls rm -f $(gcc_objdir)$(MULTISUBDIR)/$$file; \ 122 1.1.1.1.8.2 tls $(LN_S) ../$$file $(gcc_objdir)$(MULTISUBDIR)/; \ 123 1.1.1.1.8.2 tls done 124 1.1.1.1.8.2 tls 125 1.1.1.1.8.2 tls rm -f $(gcc_objdir)$(MULTISUBDIR)/libgcc_s_x86_64.1.dylib 126 1.1.1.1.8.2 tls $(LN_S) libgcc_s.1.dylib \ 127 1.1.1.1.8.2 tls $(gcc_objdir)$(MULTISUBDIR)/libgcc_s_x86_64.1.dylib 128 1.1.1.1.8.2 tls 129 1.1.1.1.8.2 tls rm -f $(gcc_objdir)$(MULTISUBDIR)/libgcc_s_ppc64.1.dylib 130 1.1.1.1.8.2 tls $(LN_S) libgcc_s.1.dylib \ 131 1.1.1.1.8.2 tls $(gcc_objdir)$(MULTISUBDIR)/libgcc_s_ppc64.1.dylib 132 1.1.1.1.8.2 tls 133 1.1.1.1.8.2 tls endif 134
Indexes created Mon Oct 26 00:26:21 UTC 2026