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Diffstat (limited to '')
| -rw-r--r-- | build/unix/elfhack/Makefile.in | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/build/unix/elfhack/Makefile.in b/build/unix/elfhack/Makefile.in new file mode 100644 index 0000000000..620f17f3c4 --- /dev/null +++ b/build/unix/elfhack/Makefile.in @@ -0,0 +1,44 @@ +# +# This Source Code Form is subject to the terms of the Mozilla Public +# License, v. 2.0. If a copy of the MPL was not distributed with this +# file, You can obtain one at http://mozilla.org/MPL/2.0/. + +include $(topsrcdir)/config/rules.mk + +ifdef COMPILE_ENVIRONMENT +test-array$(DLL_SUFFIX) test-ctors$(DLL_SUFFIX): %$(DLL_SUFFIX): %.$(OBJ_SUFFIX) elfhack + $(MKSHLIB) $(LDFLAGS) $< -nostartfiles + @echo === + @echo === If you get failures below, please file a bug describing the error + @echo === and your environment \(compiler and linker versions\), and + @echo === provide the pre-elfhacked library as an attachment. + @echo === Use --disable-elf-hack until this is fixed. + @echo === + # Fail if the library doesn't have $(DT_TYPE) .dynamic info + $(READELF) -d $@ | grep '($(DT_TYPE))' + @rm -f $@.bak + $(CURDIR)/elfhack -b -f $@ + # Fail if the backup file doesn't exist + [ -f '$@.bak' ] + # Fail if the new library doesn't contain less relocations + [ $$($(READELF) -r $@.bak | wc -l) -gt $$($(READELF) -r $@ | wc -l) ] + +test-array$(DLL_SUFFIX) test-ctors$(DLL_SUFFIX): DSO_SONAME=$@ +test-array$(DLL_SUFFIX): DT_TYPE=INIT_ARRAY +test-ctors$(DLL_SUFFIX): DT_TYPE=INIT + +libs:: test-array$(DLL_SUFFIX) test-ctors$(DLL_SUFFIX) + +.PRECIOUS: test-array$(DLL_SUFFIX) test-ctors$(DLL_SUFFIX) + +ifndef CROSS_COMPILE +dummy: dummy.$(OBJ_SUFFIX) + $(CC) -o $@ $^ $(LDFLAGS) + +libs:: dummy + # Will either crash or return exit code 1 if elfhack is broken + LD_PRELOAD=$(CURDIR)/test-array$(DLL_SUFFIX) $(CURDIR)/dummy + LD_PRELOAD=$(CURDIR)/test-ctors$(DLL_SUFFIX) $(CURDIR)/dummy + +endif +endif |