- 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.

diff --git a/Config.in b/Config.in
index 4fd9d1111d926357bda158d8405c315f75c26ff3..fff6d83d58efcf58c692de9a26997d1bb7a32447 100644 (file)
--- 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 e31480204e885f58ca41e6299d53df6a911c47b3..ad8d5e1f9b5764759fc218abbed01649b79685f6 100644 (file)
--- 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)