Re: pkg/49600: macppc (powerpc) gcc 4.8.4 internal compiler error on multimedia/libvpx

["John D. Baker" <jdbaker%mylinuxisp.com@localhost>]

The following reply was made to PR pkg/49600; it has been noted by GNATS.

From: "John D. Baker" <jdbaker%mylinuxisp.com@localhost>
To: gnats-bugs%NetBSD.org@localhost
Cc: 
Subject: Re: pkg/49600: macppc (powerpc) gcc 4.8.4 internal compiler error
 on multimedia/libvpx
Date: Fri, 23 Jan 2015 21:45:46 -0600 (CST)

 Removing the "-O3" optimization flag avoids the internal compiler error.
 The following patch accomplishes this:
 
 +Index: multimedia/libvpx/hacks.mk
 +===================================================================
 +RCS file: /cvsroot/pkgsrc/multimedia/libvpx/hacks.mk,v
 +retrieving revision 1.4
 +diff -u -p -r1.4 hacks.mk
 +--- multimedia/libvpx/hacks.mk	26 May 2014 18:10:22 -0000	1.4
 ++++ multimedia/libvpx/hacks.mk	24 Jan 2015 03:44:37 -0000
 +@@ -10,3 +10,17 @@ PKG_HACKS+=		sparc-gcc-lock-up
 + BUILDLINK_TRANSFORM+=	rm:-O[0-9]*
 + .  endif
 + .endif
 ++ 
 ++### GCC 4.8.4 internal compiler error in "vp9/encoder/vp9_variance_c.c".
 ++### See PR pkg/49600 for more details.
 ++.if ${OPSYS} == "NetBSD" && ${MACHINE_ARCH} == "powerpc"
 ++.  include "../../mk/compiler.mk"
 ++.  if !empty(CC_VERSION:Mgcc-4.[89].*)
 ++PKG_HACKS+=		powerpc-internal-compiler-error
 ++SUBST_CLASSES+=		libs
 ++SUBST_STAGE.libs=	post-configure
 ++SUBST_MESSAGE.libs=	Work around internal compiler error
 ++SUBST_FILES.libs=	libs-ppc32-linux-gcc.mk
 ++SUBST_SED.libs=		-e '/CFLAGS/s,-O3 ,,g'
 ++.  endif
 ++.endif
 
 I would prefer modifying the flags for only those sources that present
 a problem, but I don't see how at the moment.
 
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