# Compiler flags (assume GCC).
# This section *must* come before AC_PROG_CC / AC_PROG_CPP.
CFLAGS="${CFLAGS:--O2 -pipe}"
-DEVELOPER_CFLAGS="-Wall -Wno-unused-parameter -Wstrict-prototypes -Wmissing-prototypes -Wpointer-arith -Wreturn-type -Wcast-qual -Wwrite-strings -Wswitch -Wshadow -Wcast-align -Wunused-parameter -Wchar-subscripts -Winline -Wnested-externs -Wredundant-decls"
+DEVELOPER_CFLAGS="-Wall -Wno-unused-parameter -Wstrict-prototypes -Wmissing-prototypes -Wpointer-arith -Wreturn-type -Wcast-qual -Wwrite-strings -Wswitch -Wshadow -Wcast-align -Wunused-parameter -Wchar-subscripts -Winline -Wnested-externs -Wredundant-decls -Wformat"
AC_ARG_ENABLE(developer-warnings,
AS_HELP_STRING([--enable-developer-warnings],[enable strict warnings (default is NO)]),
CFLAGS="${CFLAGS} ${DEVELOPER_CFLAGS}")