1 # $FreeBSD: src/share/mk/bsd.kern.mk,v 1.17.2.1 2001/08/01 16:56:56 obrien Exp $
3 # Warning flags for compiling the kernel and components of the kernel.
5 # Note that -Werror is on by default. To turn it off, e.g. when working
6 # on adding new warning options, NO_WERROR in make.conf (or on make(1)'s
7 # command line) should be of material assistance.
10 CWARNFLAGS?= -Wall -Wredundant-decls -Wnested-externs -Wstrict-prototypes \
11 -Wmissing-prototypes -Wpointer-arith -Winline -Wcast-qual \
12 -Wold-style-definition -Wold-style-declaration -Wno-inline \
13 -Wno-pointer-sign -std=c99
15 .if ${CCVER} == "gcc47"
16 CWARNFLAGS+= -Wno-unused-but-set-variable
19 CFLAGS+= -finline-limit=${INLINE_LIMIT}
20 CFLAGS+= --param inline-unit-growth=100
21 CFLAGS+= --param large-function-growth=1000
23 # Require the proper use of 'extern' for variables. -fno-common will
24 # cause duplicate declarations to generate a link error.
28 # Prevent GCC 3.x from making certain libc based inline optimizations
30 CFLAGS+= -ffreestanding
32 .include "../platform/${MACHINE_PLATFORM}/conf/kern.mk"