effd19ed24
glibc which is externally maintained, so GCC ships with these warnings turned off by default. This is also consistent with the src/contrib/gcc/c-lex.c,v 1.2 change.
65 lines
1.7 KiB
Makefile
65 lines
1.7 KiB
Makefile
# $FreeBSD$
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#
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# This file contains common settings used for building FreeBSD
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# sources.
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# Enable various levels of compiler warning checks. These may be
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# overridden (e.g. if using a non-gcc compiler) by defining NO_WARNS.
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# for GCC: http://gcc.gnu.org/onlinedocs/gcc-3.0.4/gcc_3.html#IDX143
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.if !defined(NO_WARNS)
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. if defined(WARNS)
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. if ${WARNS} > 0
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CFLAGS += -Wsystem-headers
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. if !defined(NO_WERROR)
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CFLAGS += -Werror
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. endif
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. endif
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. if ${WARNS} > 1
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CFLAGS += -Wall -Wno-format-y2k
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. endif
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. if ${WARNS} > 2
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CFLAGS += -W -Wstrict-prototypes -Wmissing-prototypes -Wpointer-arith
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. endif
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. if ${WARNS} > 3
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CFLAGS += -Wreturn-type -Wcast-qual -Wwrite-strings -Wswitch -Wshadow -Wcast-align
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. endif
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. if ${WARNS} > 4
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CFLAGS += -Wuninitialized
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. endif
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# BDECFLAGS
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. if ${WARNS} > 5
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CFLAGS += -ansi -pedantic -Wbad-function-cast -Wchar-subscripts -Winline -Wnested-externs -Wredundant-decls
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. endif
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. if ${WARNS} > 1 && ${WARNS} < 5
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# XXX Delete -Wuninitialized by default for now -- the compiler doesn't
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# XXX always get it right.
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CFLAGS += -Wno-uninitialized
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. endif
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. endif
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. if defined(FORMAT_AUDIT)
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WFORMAT = 1
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. endif
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. if defined(WFORMAT)
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. if ${WFORMAT} > 0
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#CFLAGS += -Wformat-nonliteral -Wformat-security -Wno-format-extra-args
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CFLAGS += -Wformat=2 -Wno-format-extra-args
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. if !defined(NO_WERROR)
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CFLAGS += -Werror
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. endif
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. endif
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. endif
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.endif
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# Allow user-specified additional warning flags
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CFLAGS += ${CWARNFLAGS}
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# FreeBSD didn't always have the __FBSDID() macro in <sys/cdefs.h>.
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.if defined(BOOTSTRAPPING) && \
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( ${BOOTSTRAPPING} < 440001 || \
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( ${BOOTSTRAPPING} >= 500000 && ${BOOTSTRAPPING} < 500024 ))
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CFLAGS+= -D__FBSDID=__RCSID
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.endif
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