lib: ignore user CFLAGS when building Clippy

Unfortunately user CFLAGS causes #define conflicts with #defines in
Python development headers, which causes build failures under certain
platforms when using -Werror.

Signed-off-by: Quentin Young <qlyoung@cumulusnetworks.com>

diff --git a/lib/subdir.am b/lib/subdir.am
index 9472fabe1d1573614899575458fef892c28559fb..9eaae59df8cbbdf6169f05e4ffb88d0e86675db7 100644 (file)
--- a/lib/subdir.am
+++ b/lib/subdir.am
@@ -236,7 +236,7 @@ lib_grammar_sandbox_LDADD = \
        lib/libfrr.la
 
 lib_clippy_CPPFLAGS = $(AM_CPPFLAGS) -D_GNU_SOURCE -DBUILDING_CLIPPY @SAN_CLIPPY_FLAGS@
-lib_clippy_CFLAGS = $(PYTHON_CFLAGS) $(AM_CFLAGS) @SAN_CLIPPY_FLAGS@
+lib_clippy_CFLAGS = $(PYTHON_CFLAGS) @SAN_CLIPPY_FLAGS@
 lib_clippy_LDADD = $(PYTHON_LIBS)
 lib_clippy_SOURCES = \
        lib/clippy.c \