1# $FreeBSD: src/share/mk/bsd.sys.mk,v 1.3.2.5 2002/07/03 16:59:14 des Exp $ 2# $DragonFly: src/share/mk/bsd.sys.mk,v 1.4 2004/07/22 13:41:25 asmodai Exp $ 3# 4# This file contains common settings used for building FreeBSD 5# sources. 6 7# Enable various levels of compiler warning checks. These may be 8# overridden (e.g. if using a non-gcc compiler) by defining NO_WARNS. 9 10.if !defined(NO_WARNS) 11. if defined(WARNS) 12. if ${WARNS} > 0 13CFLAGS += -W -Wall -Wstrict-prototypes -Wmissing-prototypes -Wpointer-arith 14# XXX Delete -Wuninitialized by default for now -- the compiler doesn't 15# XXX always get it right. 16CFLAGS += -Wno-uninitialized 17. if defined(WARNS_WERROR) && !defined(NO_WERROR) 18CFLAGS += -Werror 19. endif 20. endif 21. if ${WARNS} > 1 22CFLAGS += -Wall 23. endif 24. if ${WARNS} > 2 25CFLAGS += -W -Wstrict-prototypes -Wmissing-prototypes -Wpointer-arith 26. endif 27. if ${WARNS} > 3 28CFLAGS += -Wreturn-type -Wcast-qual -Wwrite-strings -Wswitch -Wshadow -Wcast-align 29. endif 30. if ${WARNS} > 5 31CFLAGS += -Wchar-subscripts -Winline -Wnested-externs -Wredundant-decls 32. endif 33. endif 34 35. if defined(FORMAT_AUDIT) 36WFORMAT = 1 37. endif 38. if defined(WFORMAT) 39. if ${WFORMAT} > 0 40CFLAGS += -Wnon-const-format -Wno-format-extra-args 41. if defined(WARNS_WERROR) && !defined(NO_WERROR) 42CFLAGS += -Werror 43. endif 44. endif 45. endif 46.endif 47 48# Allow user-specified additional warning flags 49CFLAGS += ${CWARNFLAGS} 50 51