[apple/ld64.git] / unit-tests / test-cases / lto-duplicate_symbols / Makefile

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##
TESTROOT = ../..
include ${TESTROOT}/include/common.makefile

#
# rdar://problem/35099885
# Check that with ThinLTO linker can still distinguish between static and
# non-static functions of the same name, and doesn't mix them up.
#

run: all

all:
        ${CC} ${CCFLAGS} -flto=thin static.c -c -o static.o
        ${CC} ${CCFLAGS} -flto=thin non-static.c -c -o non-static.o
        ${CC} ${CCFLAGS} -flto=thin main.c -c -o main.o
        # Option -flto-codegen-only is used to avoid LTO optimizations because they
        # can rename a static function and thus prevent from testing how linker
        # handles duplicate names.
        ${CC} ${CCFLAGS} -flto=thin -Wl,-flto-codegen-only static.o non-static.o main.o -o main
        ${FAIL_IF_BAD_MACHO} main
        nm -j main | grep --count "^_same_name$$" | grep "^2$$" | ${PASS_IFF_STDIN}

clean:
        rm -rf main static.o non-static.o main.o