1# $FreeBSD: src/share/mk/bsd.sys.mk,v 1.3.2.5 2002/07/03 16:59:14 des Exp $ 2# 3# This file contains common settings used for building DragonFly 4# sources. 5 6CSTD?= gnu99 7 8.if ${CSTD} == "k&r" 9CFLAGS += -traditional 10.elif ${CSTD} == "c89" || ${CSTD} == "c90" 11CFLAGS += -std=iso9899:1990 12.elif ${CSTD} == "c94" || ${CSTD} == "c95" 13CFLAGS += -std=iso9899:199409 14.elif ${CSTD} == "c99" 15CFLAGS += -std=iso9899:1999 16.else 17CFLAGS += -std=${CSTD} 18.endif 19 20# Enable various levels of compiler warning checks. These may be 21# overridden (e.g. if using a non-gcc compiler) by defining NO_WARNS. 22 23.if !defined(NO_WARNS) 24. if defined(WARNS) 25. if ${WARNS} >= 1 26CWARNFLAGS += -Wmissing-include-dirs -Wsystem-headers 27. if !defined(NO_WERROR) && (${CCVER} == "gcc44" || ${CCVER} == "gcc47") 28CWARNFLAGS += -Werror 29. endif 30. endif 31. if ${WARNS} >= 2 32CWARNFLAGS += -Wall -Wformat-security -Winit-self -Wno-pointer-sign 33. endif 34. if ${WARNS} >= 3 35CWARNFLAGS += -Wextra -Wno-unused-parameter -Wstrict-prototypes\ 36 -Wmissing-prototypes -Wpointer-arith\ 37 -Wold-style-definition 38. endif 39. if ${WARNS} >= 4 40CWARNFLAGS += -Wreturn-type -Wcast-qual -Wwrite-strings -Wswitch\ 41 -Wshadow -Wcast-align -Wunused-parameter 42. endif 43. if ${WARNS} >= 6 44CWARNFLAGS += -Wchar-subscripts -Winline -Wnested-externs\ 45 -Wredundant-decls 46. endif 47. if ${WARNS} >= 2 && ${WARNS} <= 4 48# XXX Delete -Wmaybe-uninitialized by default for now -- the compiler doesn't 49# XXX always get it right. 50. if ${CCVER} == "gcc47" 51CWARNFLAGS += -Wno-maybe-uninitialized 52. else 53CWARNFLAGS += -Wno-uninitialized 54. endif 55. endif 56# Activate gcc47's -Wunused-but-set-variable (which is in -Wall) and 57# -Wunused-but-set-parameter (which is in -Wextra) only at WARNS >= 4 58# (which is the level when also -Wunused-parameter comes into play). 59. if ${WARNS} >= 2 && ${WARNS} <= 3 && ${CCVER} == "gcc47" 60CWARNFLAGS += -Wno-unused-but-set-variable 61. endif 62. if ${WARNS} == 3 && ${CCVER} == "gcc47" 63CWARNFLAGS += -Wno-unused-but-set-parameter 64. endif 65. endif 66 67. if defined(FORMAT_AUDIT) 68WFORMAT = 1 69. endif 70. if defined(WFORMAT) 71. if ${WFORMAT} > 0 72CWARNFLAGS += -Wformat=2 -Wno-format-extra-args 73. if !defined(NO_WERROR) && (${CCVER} == "gcc47" || ${CCVER} == "gcc44") 74CWARNFLAGS += -Werror 75. endif 76. endif 77. endif 78.endif 79 80# Allow user-specified additional warning flags 81CFLAGS += ${CWARNFLAGS} 82 83# Tell bmake not to mistake standard targets for things to be searched for 84# or expect to ever be up-to-date 85PHONY_NOTMAIN = afterdepend afterinstall all beforedepend beforeinstall \ 86 beforelinking build build-tools buildfiles buildincludes \ 87 checkdpadd clean cleandepend cleandir cleanobj configure \ 88 depend dependall distclean distribute exe extract fetch \ 89 html includes install installfiles installincludes lint \ 90 obj objlink objs objwarn patch realall realdepend \ 91 realinstall regress subdir-all subdir-depend subdir-install \ 92 tags whereobj 93 94.PHONY: ${PHONY_NOTMAIN} 95.NOTMAIN: ${PHONY_NOTMAIN} 96