[openwrt/openwrt] perf: pass CFLAGS correctly

[LEDE Commits]

hauke pushed a commit to openwrt/openwrt.git, branch master:
https://git.openwrt.org/3d0fa1a012a9e67cad19274c35719f77a243ac82

commit 3d0fa1a012a9e67cad19274c35719f77a243ac82
Author: Marek Behún <kabel at blackhole.sk>
AuthorDate: Sat Sep 26 21:49:50 2020 +0000

    perf: pass CFLAGS correctly
    
    For this package CFLAGS have to be passed via EXTRA_CFLAGS.
    On arm this bug causes build to fail because no -fPIC is present in CFLAGS.
    
    Signed-off-by: Marek Behún <kabel at blackhole.sk>
---
 package/devel/perf/Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/package/devel/perf/Makefile b/package/devel/perf/Makefile
index e611d5eca3..d325e154be 100644
--- a/package/devel/perf/Makefile
+++ b/package/devel/perf/Makefile
@@ -57,7 +57,7 @@ MAKE_FLAGS = \
 	CROSS_COMPILE="$(TARGET_CROSS)" \
 	CC="$(TARGET_CC)" \
 	LD="$(TARGET_CROSS)ld" \
-	CFLAGS="$(TARGET_CFLAGS) $(TARGET_CPPFLAGS)" \
+	EXTRA_CFLAGS="$(TARGET_CFLAGS) $(TARGET_CPPFLAGS)" \
 	LDFLAGS="$(TARGET_LDFLAGS)" \
 	KBUILD_HOSTCFLAGS="$(HOST_CFLAGS)" \
 	$(if $(findstring c,$(OPENWRT_VERBOSE)),V=1,V='') \