The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)

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FreeBSD/Linux Kernel Cross Reference
sys/conf/bsd.kern.mk

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    1 # $FreeBSD: src/share/mk/bsd.kern.mk,v 1.17.2.1 2001/08/01 16:56:56 obrien Exp $
    2 
    3 # Warning flags for compiling the kernel and components of the kernel.
    4 #
    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.
    8 #
    9 
   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
   14 
   15 .if ${CCVER} == "gcc47"
   16 CWARNFLAGS+=    -Wno-unused-but-set-variable
   17 .endif
   18 
   19 CFLAGS+= -finline-limit=${INLINE_LIMIT}
   20 CFLAGS+= --param inline-unit-growth=100
   21 CFLAGS+= --param large-function-growth=1000
   22 
   23 # Require the proper use of 'extern' for variables.  -fno-common will
   24 # cause duplicate declarations to generate a link error.
   25 #
   26 CFLAGS+=        -fno-common
   27 
   28 # Prevent GCC 3.x from making certain libc based inline optimizations
   29 #
   30 CFLAGS+=        -ffreestanding
   31 
   32 .include "../platform/${MACHINE_PLATFORM}/conf/kern.mk"

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