diff options
Diffstat (limited to 'share/mk/bsd.sys.mk')
-rw-r--r-- | share/mk/bsd.sys.mk | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/share/mk/bsd.sys.mk b/share/mk/bsd.sys.mk new file mode 100644 index 000000000000..34e04f8cf267 --- /dev/null +++ b/share/mk/bsd.sys.mk @@ -0,0 +1,86 @@ +# $FreeBSD$ +# +# This file contains common settings used for building FreeBSD +# sources. + +# Enable various levels of compiler warning checks. These may be +# overridden (e.g. if using a non-gcc compiler) by defining NO_WARNS. + +# for GCC: http://gcc.gnu.org/onlinedocs/gcc-3.0.4/gcc_3.html#IDX143 + +# the default is gnu99 for now +CSTD ?= gnu99 + +.if !defined(NO_WARNS) && ${CC} != "icc" +. if ${CSTD} == "k&r" +CFLAGS += -traditional +. elif ${CSTD} == "c89" || ${CSTD} == "c90" +CFLAGS += -std=iso9899:1990 +. elif ${CSTD} == "c94" || ${CSTD} == "c95" +CFLAGS += -std=iso9899:199409 +. elif ${CSTD} == "c99" +CFLAGS += -std=iso9899:1999 +. else +CFLAGS += -std=${CSTD} +. endif +# -pedantic is problematic because it also imposes namespace restrictions +#CFLAGS += -pedantic +. if defined(WARNS) +. if ${WARNS} >= 1 +CWARNFLAGS += -Wsystem-headers +. if !defined(NO_WERROR) +CWARNFLAGS += -Werror +. endif +. endif +. if ${WARNS} >= 2 +CWARNFLAGS += -Wall -Wno-format-y2k +. endif +. if ${WARNS} >= 3 +CWARNFLAGS += -W -Wno-unused-parameter -Wstrict-prototypes\ + -Wmissing-prototypes -Wpointer-arith +. endif +. if ${WARNS} >= 4 +CWARNFLAGS += -Wreturn-type -Wcast-qual -Wwrite-strings -Wswitch\ + -Wshadow -Wcast-align -Wunused-parameter +. endif +# BDECFLAGS +. if ${WARNS} >= 6 +CWARNFLAGS += -Wchar-subscripts -Winline -Wnested-externs -Wredundant-decls +. endif +. if ${WARNS} >= 2 && ${WARNS} <= 4 +# XXX Delete -Wuninitialized by default for now -- the compiler doesn't +# XXX always get it right. +CWARNFLAGS += -Wno-uninitialized +. endif +. if !defined(WITH_GCC3) +CWARNFLAGS += -Wno-pointer-sign +. endif +. endif + +. if defined(FORMAT_AUDIT) +WFORMAT = 1 +. endif +. if defined(WFORMAT) +. if ${WFORMAT} > 0 +#CWARNFLAGS += -Wformat-nonliteral -Wformat-security -Wno-format-extra-args +CWARNFLAGS += -Wformat=2 -Wno-format-extra-args +. if !defined(NO_WERROR) +CWARNFLAGS += -Werror +. endif +. endif +. endif +.endif + +.if defined(IGNORE_PRAGMA) +CWARNFLAGS += -Wno-unknown-pragmas +.endif + +.if ${MK_SSP} != "no" && ${CC} != "icc" && ${MACHINE_ARCH} != "ia64" && \ + ${MACHINE_ARCH} != "arm" && ${MACHINE_ARCH} != "mips" +# Don't use -Wstack-protector as it breaks world with -Werror. +SSP_CFLAGS ?= -fstack-protector +CFLAGS += ${SSP_CFLAGS} +.endif + +# Allow user-specified additional warning flags +CFLAGS += ${CWARNFLAGS} |