9eef6e338b
compiler invocation. This is just to help get over the hump of people tracking down bugs that may cross the GCC 4.2 upgrade. It is envisioned that this option goes away after a suitable amount of time.
82 lines
2.1 KiB
Makefile
82 lines
2.1 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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# Universally disable -Werror until src/ is in better shape for GCC 4.2
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NO_WERROR=
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.if !defined(NO_WARNS) && ${CC} != "icc"
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. if defined(CSTD)
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. if ${CSTD} == "k&r"
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CFLAGS += -traditional
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. elif ${CSTD} == "c89" || ${CSTD} == "c90"
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CFLAGS += -std=iso9899:1990
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. elif ${CSTD} == "c94" || ${CSTD} == "c95"
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CFLAGS += -std=iso9899:199409
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. elif ${CSTD} == "c99"
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CFLAGS += -std=iso9899:1999
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. else
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CFLAGS += -std=${CSTD}
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. endif
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# -pedantic is problematic because it also imposes namespace restrictions
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#CFLAGS += -pedantic
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. endif
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. if defined(WARNS)
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. if ${WARNS} >= 1
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CWARNFLAGS += -Wsystem-headers
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. if !defined(NO_WERROR)
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CWARNFLAGS += -Werror
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. endif
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. endif
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. if ${WARNS} >= 2
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CWARNFLAGS += -Wall -Wno-format-y2k
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. endif
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. if ${WARNS} >= 3
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CWARNFLAGS += -W -Wno-unused-parameter -Wstrict-prototypes\
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-Wmissing-prototypes -Wpointer-arith
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. endif
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. if ${WARNS} >= 4
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CWARNFLAGS += -Wreturn-type -Wcast-qual -Wwrite-strings -Wswitch\
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-Wshadow -Wcast-align -Wunused-parameter
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. endif
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# BDECFLAGS
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. if ${WARNS} >= 6
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CWARNFLAGS += -Wchar-subscripts -Winline -Wnested-externs -Wredundant-decls
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. endif
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. if ${WARNS} >= 2 && ${WARNS} <= 4
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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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CWARNFLAGS += -Wno-uninitialized
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. endif
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. if !defined(WITH_GCC3)
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CWARNFLAGS += -Wno-pointer-sign
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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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#CWARNFLAGS += -Wformat-nonliteral -Wformat-security -Wno-format-extra-args
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CWARNFLAGS += -Wformat=2 -Wno-format-extra-args
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. if !defined(NO_WERROR)
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CWARNFLAGS += -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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.if defined(IGNORE_PRAGMA)
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CWARNFLAGS += -Wno-unknown-pragmas
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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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