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 1.3 2003/08/14 18:28:49 dillon 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 += -Wreturn-type -Wcast-qual -Wwrite-strings -Wswitch -Wshadow 23. endif 24. endif 25 26. if defined(FORMAT_AUDIT) 27WFORMAT = 1 28. endif 29. if defined(WFORMAT) 30. if ${WFORMAT} > 0 31CFLAGS += -Wnon-const-format -Wno-format-extra-args 32. if defined(WARNS_WERROR) && !defined(NO_WERROR) 33CFLAGS += -Werror 34. endif 35. endif 36. endif 37.endif 38 39# Allow user-specified additional warning flags 40CFLAGS += ${CWARNFLAGS} 41 42