build: Fix build failure on RHEL 7

Signed-off-by: Rongsong Shen <[email protected]>
namhyung · Jan 23, 2024 · ad1dd38 · ad1dd38
1 parent 545b613
commit ad1dd38
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diff --git a/check-deps/Makefile b/check-deps/Makefile
@@ -37,7 +37,7 @@ endif
 CFLAGS_cc_has_mfentry = -mfentry
 LDFLAGS_cxa_demangle = -lstdc++
 LDFLAGS_have_libelf = -lelf
-CFLAGS_cc_has_mno_sse2 = -mno-sse -mno-sse2
+CFLAGS_cc_has_mno_sse2 = -O2 -mno-sse -mno-sse2
 LDFLAGS_have_libpython2.7 = -lpython2.7
 CFLAGS_have_libpython3 = $(shell pkg-config python3$(EMBED) --cflags 2> /dev/null)
 LDFLAGS_have_libpython3 = $(shell pkg-config python3$(EMBED) --libs 2> /dev/null)

diff --git a/check-deps/__cc_has_mno_sse2.c b/check-deps/__cc_has_mno_sse2.c
@@ -1,3 +1,5 @@
+#include <stdlib.h>
+
 int main(void)
 {
 	return 0;