bsd.sys.mk revision 99542
1170754Sdelphij# $FreeBSD: head/share/mk/bsd.sys.mk 99542 2002-07-07 18:47:52Z obrien $ 2170754Sdelphij# 3170754Sdelphij# This file contains common settings used for building FreeBSD 4170754Sdelphij# sources. 5170754Sdelphij 6170754Sdelphij# Enable various levels of compiler warning checks. These may be 7170754Sdelphij# overridden (e.g. if using a non-gcc compiler) by defining NO_WARNS. 8170754Sdelphij 9170754Sdelphij# for GCC: http://gcc.gnu.org/onlinedocs/gcc-3.0.4/gcc_3.html#IDX143 10170754Sdelphij 11170754Sdelphij.if !defined(NO_WARNS) 12170754Sdelphij. if defined(WARNS) 13170754Sdelphij. if ${WARNS} > 0 14170754Sdelphij. if !defined(NO_WERROR) 15170754SdelphijCFLAGS += -Werror 16170754Sdelphij. endif 17170754Sdelphij. endif 18170754Sdelphij. if ${WARNS} > 1 19170754SdelphijCFLAGS += -Wall -Wno-format-y2k 20170754Sdelphij. endif 21170754Sdelphij. if ${WARNS} > 2 22170754SdelphijCFLAGS += -W -Wstrict-prototypes -Wmissing-prototypes -Wpointer-arith 23170754Sdelphij. endif 24170754Sdelphij. if ${WARNS} > 3 25170754SdelphijCFLAGS += -Wreturn-type -Wcast-qual -Wwrite-strings -Wswitch -Wshadow -Wcast-align 26170754Sdelphij. endif 27170754Sdelphij. if ${WARNS} > 4 28170754SdelphijCFLAGS += -Wuninitialized 29170754Sdelphij. endif 30170754Sdelphij# BDECFLAGS 31170754Sdelphij. if ${WARNS} > 5 32170754SdelphijCFLAGS += -ansi -pedantic -Wbad-function-cast -Wchar-subscripts -Winline -Wnested-externs -Wredundant-decls 33170754Sdelphij. endif 34170754Sdelphij. if ${WARNS} > 1 && ${WARNS} < 5 35170754Sdelphij# XXX Delete -Wuninitialized by default for now -- the compiler doesn't 36170754Sdelphij# XXX always get it right. 37170754SdelphijCFLAGS += -Wno-uninitialized 38170754Sdelphij. endif 39170754Sdelphij. endif 40170754Sdelphij 41170754Sdelphij. if defined(FORMAT_AUDIT) 42170754SdelphijWFORMAT = 1 43170754Sdelphij. endif 44170754Sdelphij. if defined(WFORMAT) 45170754Sdelphij. if ${WFORMAT} > 0 46170754Sdelphij#CFLAGS += -Wformat-nonliteral -Wformat-security -Wno-format-extra-args 47170754SdelphijCFLAGS += -Wformat=2 -Wno-format-extra-args 48170754Sdelphij. if !defined(NO_WERROR) 49170754SdelphijCFLAGS += -Werror 50170754Sdelphij. endif 51170754Sdelphij. endif 52170754Sdelphij. endif 53170754Sdelphij.endif 54170754Sdelphij 55170754Sdelphij# Allow user-specified additional warning flags 56170754SdelphijCFLAGS += ${CWARNFLAGS} 57170754Sdelphij 58170754Sdelphij# FreeBSD prior to 4.5 didn't have the __FBSDID() macro in <sys/cdefs.h>. 59170754Sdelphij.if defined(BOOTSTRAPPING) 60170754SdelphijCFLAGS+= -D__FBSDID=__RCSID 61170754Sdelphij.endif 62170754Sdelphij