1# $FreeBSD$ 2# 3# This file contains common settings used for building FreeBSD 4# sources. 5 6# Enable various levels of compiler warning checks. These may be 7# overridden (e.g. if using a non-gcc compiler) by defining NO_WARNS. 8 9# for GCC: http://gcc.gnu.org/onlinedocs/gcc-3.0.4/gcc_3.html#IDX143 10 11.if !defined(NO_WARNS) 12. if defined(WARNS) 13. if ${WARNS} > 0 14. endif 15. if ${WARNS} > 1 16CFLAGS += -Wall -Wno-format-y2k 17. endif 18. if ${WARNS} > 2 19CFLAGS += -W -Wstrict-prototypes -Wmissing-prototypes -Wpointer-arith 20. endif 21. if ${WARNS} > 3 22CFLAGS += -Wreturn-type -Wcast-qual -Wwrite-strings -Wswitch -Wshadow -Wcast-align 23. endif 24. if ${WARNS} > 4 25CFLAGS += -Wuninitialized 26. endif 27# BDECFLAGS 28. if ${WARNS} > 5 29CFLAGS += -ansi -pedantic -Wbad-function-cast -Wchar-subscripts -Winline -Wnested-externs -Wredundant-decls 30. endif 31. if ${WARNS} > 1 && ${WARNS} < 5 32# XXX Delete -Wuninitialized by default for now -- the compiler doesn't 33# XXX always get it right. 34CFLAGS += -Wno-uninitialized 35. endif 36. endif 37 38. if defined(FORMAT_AUDIT) 39WFORMAT = 1 40. endif 41. if defined(WFORMAT) 42. if ${WFORMAT} > 0 43#CFLAGS += -Wformat-nonliteral -Wformat-security -Wno-format-extra-args 44CFLAGS += -Wformat=2 -Wno-format-extra-args 45. endif 46. endif 47.endif 48 49# Allow user-specified additional warning flags 50CFLAGS += ${CWARNFLAGS} 51 52# FreeBSD prior to 4.5 didn't have the __FBSDID() macro in <sys/cdefs.h>. 53.if defined(BOOTSTRAPPING) 54CFLAGS+= -D__FBSDID=__RCSID 55.endif 56