help: Document BUILD_CFLAGS and BUILD_LDFLAGS

Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>

diff --git a/Makefile.help b/Makefile.help
index bd8b0ec..e02c545 100644 (file)
--- a/Makefile.help
+++ b/Makefile.help
@@ -57,6 +57,8 @@ help:
        @echo '  CROSS_COMPILE=         - Override CROSS_COMPILER_PREFIX from .config'
        @echo '  ARCH=          - Use given arch for config targets'
        @echo '  SHELL=         - Shell to use for make'
+       @echo '  BUILD_CFLAGS=          - extra CFLAGS for compiling host binaries'
+       @echo '  BUILD_LFLAGS=          - extra LDFLAGS for linking host binaries'
        @echo '  CONFIG_SHELL=          - Shell to use for menuconfig'
        @echo
        @echo '  PREFIX=                - Prepended prefix'