build-sys: add cppcheck target

This uses --enable=all mode. Should be taken with a grain of salt
though. While many recommendations make sense we should probably keep
"int r" always on function scope, and many of the portability warnings
really don't matter to us because we only care for Linux/glibc.

diff --git a/Makefile.am b/Makefile.am
index ca4c5f87c25d7f731550f6fbc511b64dd6679383..fa57559bda9216dfc325a874c4669ff5d9279ea1 100644 (file)
--- a/Makefile.am
+++ b/Makefile.am
@@ -4966,3 +4966,6 @@ tests += \
        test-libsystemd-journal-sym \
        test-libsystemd-login-sym \
        test-libudev-sym
+
+cppcheck:
+       cppcheck --enable=all $(top_srcdir)