[Patch] Proposal: USE_GNU89 switch

[Ed Schouten]

* Mel Flynn <mel.flynn+fbsd.ports at mailing.thruhere.net> wrote:
> Are there any edge cases of (antiquated) ports that (indirectly) use 
> bsd.sys.mk and as such get hit by:
>     11  # the default is gnu99 for now
>     12  CSTD            ?= gnu99
> 
> In other words should one clean CFLAGS of -std before applying the
> forced one, similar as to what WITH_DEBUG in ports does for -O*.

Yes. This should fix it:

--- bsd.port.mk
+++ bsd.port.mk
@@ -2180,6 +2180,10 @@
 .endif
 .endif
 
+.if defined(USE_CSTD)
+CFLAGS:=	${CFLAGS:N-std=*} -std=${USE_CSTD}
+.endif
+
 # Multiple make jobs support
 .if defined(DISABLE_MAKE_JOBS) || defined(MAKE_JOBS_UNSAFE)
 _MAKE_JOBS=		#

-- 
 Ed Schouten <ed at 80386.nl>
 WWW: http://80386.nl/
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