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This makes two assumptions: 1. CC consists of only one word 2. No extra flag is required Unfortunately, there are many situations where these assumptions don't hold. For instance: - When using Clang, CC consists of multiple words - When cross-compiling, extra flags may be required to allow the compiler to find headers Remove these assumptions by passing down CC and CFLAGS as-is from the Makefile, so that the same command line is used as when actually building the tests. Cc: Jason Gunthorpe Cc: John Hubbard Acked-by: David Hildenbrand (Red Hat) Reviewed-by: Mark Brown Signed-off-by: Kevin Brodsky --- tools/testing/selftests/mm/Makefile | 2 +- tools/testing/selftests/mm/check_config.sh | 3 +-- 2 files changed, 2 insertions(+), 3 deletions(-) diff --git a/tools/testing/selftests/mm/Makefile b/tools/testing/selftests/mm/Makefile index 4e5c8a330a0c..de4afc34e3b1 100644 --- a/tools/testing/selftests/mm/Makefile +++ b/tools/testing/selftests/mm/Makefile @@ -230,7 +230,7 @@ $(OUTPUT)/migration: LDLIBS += -lnuma $(OUTPUT)/rmap: LDLIBS += -lnuma local_config.mk local_config.h: check_config.sh - /bin/sh ./check_config.sh $(CC) + CC="$(CC)" CFLAGS="$(CFLAGS)" ./check_config.sh EXTRA_CLEAN += local_config.mk local_config.h diff --git a/tools/testing/selftests/mm/check_config.sh b/tools/testing/selftests/mm/check_config.sh index 3954f4746161..b84c82bbf875 100755 --- a/tools/testing/selftests/mm/check_config.sh +++ b/tools/testing/selftests/mm/check_config.sh @@ -16,8 +16,7 @@ echo "#include " > $tmpfile_c echo "#include " >> $tmpfile_c echo "int func(void) { return 0; }" >> $tmpfile_c -CC=${1:?"Usage: $0 # example compiler: gcc"} -$CC -c $tmpfile_c -o $tmpfile_o >/dev/null 2>&1 +$CC $CFLAGS -c $tmpfile_c -o $tmpfile_o if [ -f $tmpfile_o ]; then echo "#define LOCAL_CONFIG_HAVE_LIBURING 1" > $OUTPUT_H_FILE -- 2.51.2