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}