Why do you need this? Format-extensions are kernel only (which you dont use I
presume) and no-align-long-strings is boot only (which you dont use either).
Hm? :)
roman
On Tue, Jul 05, 2011 at 10:27:51AM +0200, Robert Millan wrote:
> This patch conditionalizes a pair of FreeBSD compiler extensions so
> that its CFLAGS are only used on FreeBSD.
>
> --
> Robert Millan
> Index: sys/conf/kern.mk
> ===================================================================
> --- sys/conf/kern.mk (revision 223736)
> +++ sys/conf/kern.mk (working copy)
> @@ -1,11 +1,21 @@
> # $FreeBSD$
>
> +.if !defined(OPSYS)
> +OPSYS!= uname -s
> +.endif
> +
> #
> # Warning flags for compiling the kernel and components of the kernel:
> #
> +.if ${OPSYS} == "FreeBSD"
> +# FreeBSD extension, not available in upstream GCC
> +format_extensions= -fformat-extensions
> +no_align_long_strings= -mno-align-long-strings
> +.endif
> +
> 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_extensions} \
> -Wmissing-include-dirs -fdiagnostics-show-option
> #
> # The following flags are next up for working on:
> @@ -32,7 +42,7 @@
> #
> .if ${MACHINE_CPUARCH} == "i386"
> .if ${CC:T:Mclang} != "clang"
> -CFLAGS+= -mno-align-long-strings -mpreferred-stack-boundary=2 -mno-sse
> +CFLAGS+= ${no_align_long_strings} -mpreferred-stack-boundary=2 -mno-sse
> .else
> CFLAGS+= -mno-aes -mno-avx
> .endif
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