sys/conf/bsd.kern.mk

   1 # $FreeBSD: src/share/mk/bsd.kern.mk,v 1.17.2.1 2001/08/01 16:56:56 obrien Exp $
   2 # $DragonFly: src/sys/conf/bsd.kern.mk,v 1.16 2008/07/23 16:39:31 dillon Exp $
   3
   4 #
   5 # Warning flags for compiling the kernel and components of the kernel.
   6 #
   7 # Note that the newly added -Wcast-qual is responsible for generating
   8 # most of the remaining warnings.  Warnings introduced with -Wall will
   9 # also pop up, but are easier to fix.
  10 #
  11 CWARNFLAGS?=    -Wall -Wredundant-decls -Wnested-externs -Wstrict-prototypes \
  12                 -Wmissing-prototypes -Wpointer-arith -Winline -Wcast-qual \
  13                 -Werror-implicit-function-declaration \
  14                 -std=c99
  15 #
  16 # The following flags are next up for working on:
  17 #       -W
  18 #
  19 # When working on removing warnings from code, the `-Werror' flag should be
  20 # of material assistance.
  21 #
  22
  23 CFLAGS+= -finline-limit=${INLINE_LIMIT}
  24 CFLAGS+= --param inline-unit-growth=100
  25 CFLAGS+= --param large-function-growth=1000
  26
  27 # Require the proper use of 'extern' for variables.  -fno-common will
  28 # cause duplicate declarations to generate a link error.
  29 #
  30 CFLAGS+=        -fno-common
  31
  32 # Prevent GCC 3.x from making certain libc based inline optimizations
  33 #
  34 CFLAGS+=        -ffreestanding
  35
  36 .include "../platform/${MACHINE_PLATFORM}/conf/kern.mk"