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| author | van Hauser <vh@thc.org> | 2020-08-01 18:31:11 +0200 |
|---|---|---|
| committer | van Hauser <vh@thc.org> | 2020-08-01 18:31:11 +0200 |
| commit | a267ff1ab58ed29a39133309904e1c6eb7c1ea3f (patch) | |
| tree | 7eca43668d2c018b554b4b797201f0feceb740ce | |
| parent | 8e0c7761375d3c3cc7527f4aa800f31d9fcdd2e2 (diff) | |
| download | afl++-a267ff1ab58ed29a39133309904e1c6eb7c1ea3f.tar.gz | |
better LTO mode detection warnings
| -rw-r--r-- | llvm_mode/GNUmakefile | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/llvm_mode/GNUmakefile b/llvm_mode/GNUmakefile index fbb77236..a202fbb4 100644 --- a/llvm_mode/GNUmakefile +++ b/llvm_mode/GNUmakefile @@ -183,18 +183,24 @@ ifeq "$(LLVM_LTO)" "1" ifneq "$(shell readlink $(LLVM_BINDIR)/ld.lld 2>&1)" "" AFL_REAL_LD = $(LLVM_BINDIR)/ld.lld else - $(warn ld.lld not found, can not enable LTO mode) + $(warn ld.lld not found, cannot enable LTO mode) LLVM_LTO = 0 endif endif + else + $(warn -flto is not working (LLVMgold.so not found?), cannot enable LTO mode) + LLVM_LTO = 0 endif endif AFL_CLANG_FUSELD= -ifneq "$(AFL_CLANG_FLTO)" "" -ifeq "$(shell echo 'int main() {return 0; }' | $(CLANG_BIN) -x c - -fuse-ld=`command -v ld` -o .test 2>/dev/null && echo 1 || echo 0 ; rm -f .test )" "1" - AFL_CLANG_FUSELD=1 -endif +ifeq "$(LLVM_LTO)" "1" + ifeq "$(shell echo 'int main() {return 0; }' | $(CLANG_BIN) -x c - -fuse-ld=`command -v ld` -o .test 2>/dev/null && echo 1 || echo 0 ; rm -f .test )" "1" + AFL_CLANG_FUSELD=1 + else + $(warn -fuse-ld is not working, cannot enable LTO mode) + LLVM_LTO = 0 + endif endif CFLAGS ?= -O3 -funroll-loops -fPIC -D_FORTIFY_SOURCE=2 |