1 1.1 mrg # Build a shared libgcc library for ELF with symbol versioning 2 1.1 mrg # with the Solaris linker. 3 1.1 mrg 4 1.1 mrg SHLIB_LDFLAGS = -Wl,-h,$(SHLIB_SONAME) -Wl,-z,text -Wl,-z,defs \ 5 1.1 mrg -Wl,-M,$(SHLIB_MAP) 6 1.3 mrg 7 1.3 mrg ifeq ($(enable_shared),yes) 8 1.3 mrg 9 1.3 mrg # Linker mapfile to enforce direct binding to libgcc_s unwinder 10 1.3 mrg # (PR target/59788). 11 1.6 mrg # Emit v2 mapfile syntax if possible, otherwise ld -z guidance complains 12 1.6 mrg # every time the mapfile is used. 13 1.3 mrg libgcc-unwind.map: libgcc-std.ver 14 1.6 mrg ifeq ($(solaris_ld_v2_maps),yes) 15 1.6 mrg @(echo '$$mapfile_version 2'; \ 16 1.6 mrg echo "SYMBOL_SCOPE {"; \ 17 1.6 mrg for f in `grep _Unwind_ $< | sort`; do \ 18 1.6 mrg echo " $$f { FLAGS = EXTERN DIRECT };"; \ 19 1.6 mrg done; \ 20 1.6 mrg echo "};" ) > $@ 21 1.6 mrg else 22 1.3 mrg @(echo "{"; \ 23 1.3 mrg for f in `grep _Unwind_ $< | sort`; do \ 24 1.3 mrg echo " $$f = EXTERN DIRECT;"; \ 25 1.3 mrg done; \ 26 1.3 mrg echo "};" ) > $@ 27 1.6 mrg endif 28 1.3 mrg 29 1.3 mrg # Copy libgcc-unwind.map to the place where gcc will look for it at build-time. 30 1.3 mrg install-libgcc-unwind-map-forbuild: libgcc-unwind.map 31 1.3 mrg dest=$(gcc_objdir)/tmp$$$$-$<; \ 32 1.3 mrg cp $< $$dest; \ 33 1.3 mrg chmod a+r $$dest; \ 34 1.3 mrg sh $(srcdir)/../move-if-change $$dest $(gcc_objdir)/$< 35 1.3 mrg 36 1.3 mrg all: install-libgcc-unwind-map-forbuild 37 1.3 mrg 38 1.3 mrg install-libgcc-unwind-map: libgcc-unwind.map 39 1.3 mrg $(INSTALL_DATA) $< $(DESTDIR)$(slibdir) 40 1.3 mrg 41 1.3 mrg install: install-libgcc-unwind-map 42 1.3 mrg 43 1.3 mrg endif 44
Indexes created Mon Oct 26 00:26:21 UTC 2026