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#
# 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/.
OS_CXXFLAGS := $(filter-out -fno-exceptions,$(OS_CXXFLAGS)) -fexceptions
include $(topsrcdir)/config/rules.mk
test-array$(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 use
@echo === --disable-elf-hack until this is fixed.
@echo ===
# Fail if the library doesn't have $(DT_TYPE) .dynamic info
$(TOOLCHAIN_PREFIX)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
[ $$($(TOOLCHAIN_PREFIX)objdump -R $@.bak | wc -l) -gt $$(objdump -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
.PRECIOUS: test-array$(DLL_SUFFIX) test-ctors$(DLL_SUFFIX)
GARBAGE += test-array$(DLL_SUFFIX) test-ctors$(DLL_SUFFIX) test-array$(DLL_SUFFIX).bak test-ctors$(DLL_SUFFIX).bak
ifndef CROSS_COMPILE
ifdef COMPILE_ENVIRONMENT
libs:: test-array$(DLL_SUFFIX) test-ctors$(DLL_SUFFIX)
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
GARBAGE += dummy
endif
endif
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