- add CONFIG_EXTRA_CFLAGS (thanks to keesj)

  This helps with remembering additional flags like e.g. cpu settings for
  people who did not configured their compiler to produce code for their cpu
  per default.

2 files changed, 11 insertions, 0 deletions

diff --git a/Config.in b/Config.in
index 4fd9d1111..fff6d83d5 100644
--- a/Config.in
+++ b/Config.in
@@ -411,6 +411,12 @@ config CROSS_COMPILER_PREFIX
 
           Native builds leave this empty.
 
+config EXTRA_CFLAGS
+        string "Additional CFLAGS"
+        default ""
+        help
+          Additional CFLAGS to pass to the compiler verbatim.
+
 endmenu
 
 menu 'Debugging Options'
diff --git a/Makefile.flags b/Makefile.flags
index e31480204..ad8d5e1f9 100644
--- a/Makefile.flags
+++ b/Makefile.flags
@@ -81,6 +81,11 @@ CFLAGS_busybox += $(ARCH_PIE)
 CFLAGS += $(ARCH_FPIE)
 endif
 
+ifneq ($(CONFIG_EXTRA_CFLAGS),)
+CFLAGS += $(strip $(subst ",,$(CONFIG_EXTRA_CFLAGS)))
+#"))
+endif
+
 LDLIBS += m crypt
 
 ifeq ($(CONFIG_PAM),y)