Add the complier flag -Wstrict-prototypes to EXTRA_CFLAGS. Signed-off-by: Geoff Levand <geoffrey.levand at am.sony.com> --- configure.ac | 2 - --- kexec-tools-hacked.orig/configure.ac +++ kexec-tools-hacked/configure.ac @@ -59,7 +59,7 @@ if test "${host_alias}" ; then OBJDIR="$OBJDIR-${host_alias}" fi -EXTRA_CFLAGS='-Wall -g -fno-strict-aliasing $(CPPFLAGS) $(EXTRA_CPPFLAGS)' +EXTRA_CFLAGS='-Wall -g -fno-strict-aliasing -Wstrict-prototypes $(CPPFLAGS) $(EXTRA_CPPFLAGS)' BUILD_CFLAGS='-O2 -Wall $(CPPFLAGS)' # Check whether ppc64. Add -m64 for building 64-bit binary