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-rw-r--r--Makefile22
1 files changed, 19 insertions, 3 deletions
diff --git a/Makefile b/Makefile
index 0c0b73c5..57d4c8c7 100644
--- a/Makefile
+++ b/Makefile
@@ -32,9 +32,25 @@ PROGS = afl-gcc afl-fuzz afl-showmap afl-tmin afl-gotcpu afl-analyze
SH_PROGS = afl-plot afl-cmin afl-whatsup afl-system-config
MANPAGES=$(foreach p, $(PROGS) $(SH_PROGS), $(p).8)
-CFLAGS ?= -O3 -funroll-loops
-CFLAGS += -Wall -D_FORTIFY_SOURCE=2 -g -Wno-pointer-sign -I include/ \
- -DAFL_PATH=\"$(HELPER_PATH)\" -DBIN_PATH=\"$(BIN_PATH)\" \
+ifeq "$(shell echo 'int main() {return 0; }' | $(CC) -x c - -march=native -o .test 2>/dev/null && echo 1 || echo 0 ; rm -f .test )" "1"
+ CFLAGS_PERFORMANCE += -march=native
+endif
+
+ifeq "$(shell echo 'int main() {return 0; }' | $(CC) -x c - -flto=full -o .test 2>/dev/null && echo 1 || echo 0 ; rm -f .test )" "1"
+ CFLAGS_PERFORMANCE += -flto=full
+else
+ ifeq "$(shell echo 'int main() {return 0; }' | $(CC) -x c - -flto=thin -o .test 2>/dev/null && echo 1 || echo 0 ; rm -f .test )" "1"
+ CFLAGS_PERFORMANCE += -flto=thin
+ else
+ ifeq "$(shell echo 'int main() {return 0; }' | $(CC) -x c - -flto -o .test 2>/dev/null && echo 1 || echo 0 ; rm -f .test )" "1"
+ CFLAGS_PERFORMANCE += -flto
+ endif
+ endif
+endif
+
+CFLAGS ?= -funroll-loops -Ofast $(CFLAGS_PERFORMANCE)
+CFLAGS += -Wall -g -Wno-pointer-sign -I include/ \
+ -DAFL_PATH=\"$(HELPER_PATH)\" -DBIN_PATH=\"$(BIN_PATH)\" \
-DDOC_PATH=\"$(DOC_PATH)\" -Wno-unused-function
AFL_FUZZ_FILES = $(wildcard src/afl-fuzz*.c)