binman: Allow obtaining a symbol value

[platform/kernel/u-boot.git] / scripts / Kconfig.include

diff --git a/scripts/Kconfig.include b/scripts/Kconfig.include
index dad5583..b7598ca 100644 (file)
--- a/scripts/Kconfig.include
+++ b/scripts/Kconfig.include
@@ -22,6 +22,10 @@ success = $(if-success,$(1),y,n)
 # Return y if the compiler supports <flag>, n otherwise
 cc-option = $(success,$(CC) -Werror $(1) -E -x c /dev/null -o /dev/null)
 
+# $(cc-define,<macro>)
+# Return y if the compiler defines <macro>, n otherwise
+cc-define = $(success,$(CC) -dM -E -x c /dev/null | grep -q '^#define \<$(1)\>')
+
 # $(ld-option,<flag>)
 # Return y if the linker supports <flag>, n otherwise
 ld-option = $(success,$(LD) -v $(1))