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| author | brooks <brooks@FreeBSD.org> | 2013-05-15 13:04:10 +0000 |
|---|---|---|
| committer | brooks <brooks@FreeBSD.org> | 2013-05-15 13:04:10 +0000 |
| commit | 4d008876be6c5f3ff3209a2b07c125927b15e2bd (patch) | |
| tree | a858bcd67e9175cf2a521df24b730c30ed84d560 /sys/conf/kern.mk | |
| parent | 0a904132b441e7ca952cd7d21049ed15259c7177 (diff) | |
| download | FreeBSD-src-4d008876be6c5f3ff3209a2b07c125927b15e2bd.zip FreeBSD-src-4d008876be6c5f3ff3209a2b07c125927b15e2bd.tar.gz | |
Add a new option WITHOUT_FORMAT_EXTENSIONS to disable flags related to
checking our kernel printf extensions. This is useful to allow
compilers without these extensions to build kernels.
Sponsored by: DARPA, AFRL
Diffstat (limited to 'sys/conf/kern.mk')
| -rw-r--r-- | sys/conf/kern.mk | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/sys/conf/kern.mk b/sys/conf/kern.mk index e42b753..99211f0 100644 --- a/sys/conf/kern.mk +++ b/sys/conf/kern.mk @@ -5,7 +5,7 @@ # CWARNFLAGS?= -Wall -Wredundant-decls -Wnested-externs -Wstrict-prototypes \ -Wmissing-prototypes -Wpointer-arith -Winline -Wcast-qual \ - -Wundef -Wno-pointer-sign -fformat-extensions \ + -Wundef -Wno-pointer-sign ${FORMAT_EXTENTIONS} \ -Wmissing-include-dirs -fdiagnostics-show-option \ ${CWARNEXTRA} # @@ -29,7 +29,15 @@ NO_WSOMETIMES_UNINITIALIZED= -Wno-error-sometimes-uninitialized # enough to error out the whole kernel build. Display them anyway, so there is # some incentive to fix them eventually. CWARNEXTRA?= -Wno-error-tautological-compare -Wno-error-empty-body \ - -Wno-error-parentheses-equality + -Wno-error-parentheses-equality ${NO_WFORMAT} +.endif + +# External compilers may not support our format extensions. Allow them +# to be disabled. WARNING: format checking is disabled in this case. +.if ${MK_FORMAT_EXTENSIONS} == "no" +NO_WFORMAT= -Wno-format +.else +FORMAT_EXTENTIONS= -fformat-extensions .endif # |
