peter green wrote:
Debdiff is attatched
Sorry forgot to attatch it, here it is.
diff -Nru clang-3.0/debian/changelog clang-3.0/debian/changelog --- clang-3.0/debian/changelog 2013-02-10 14:47:29.000000000 +0000 +++ clang-3.0/debian/changelog 2013-03-28 18:03:16.000000000 +0000 @@ -1,3 +1,16 @@ +clang (1:3.0-6.2) unstable; urgency=low + + * Non-maintainer upload with maintainer's approval. + * 29-set-default-cpu-for-armhf.diff increase default cpu for armhf builds. + Previous absurdly low default did not work correctly with + -mfloat-abi=hard leading to broken code. (Closes: #704111) + + Use armv6 as new default because in clang 3.0 armv7 implies features that + we don't require in debian armhf (extra fpu registers and neon) + * 30-powerpc-no-altivec.patch disable altivec by default on powerpc because + debian powerpc does not require altivec (patch cherry picked from ubuntu) + + -- Peter Michael Green <plugw...@debian.org> Thu, 28 Mar 2013 09:02:01 +0000 + clang (1:3.0-6.1) unstable; urgency=low * Non-maintainer upload. diff -Nru clang-3.0/debian/patches/29-set-default-cpu-for-armhf.diff clang-3.0/debian/patches/29-set-default-cpu-for-armhf.diff --- clang-3.0/debian/patches/29-set-default-cpu-for-armhf.diff 1970-01-01 00:00:00.000000000 +0000 +++ clang-3.0/debian/patches/29-set-default-cpu-for-armhf.diff 2013-03-28 08:47:26.000000000 +0000 @@ -0,0 +1,39 @@ +Description: Fix CPU type default for armhf + Without this patch clang defaults to a CPU type of "arm7tdmi" which + does not work correctly with -mfloat-abi=hard leading to broken + code. + + Use armv6 because as far as I can tell clang 3.0 does not properly + support an armv7 setting without neon or the extra floating point + registers. It may be possible to patch it to add support but I feel + such a Patch would likely be considered unacceptable at this stage in + The release process. +Author: Peter Michael Green <plugw...@debian.org> + +--- +The information above should follow the Patch Tagging Guidelines, please +checkout http://dep.debian.net/deps/dep3/ to learn about the format. Here +are templates for supplementary fields that you might want to add: + +Origin: <vendor|upstream|other>, <url of original patch> +Bug: <url in upstream bugtracker> +Bug-Debian: http://bugs.debian.org/<bugnumber> +Bug-Ubuntu: https://launchpad.net/bugs/<bugnumber> +Forwarded: <no|not-needed|url proving that it has been forwarded> +Reviewed-By: <name and email of someone who approved the patch> +Last-Update: <YYYY-MM-DD> + +Index: clang-3.0/tools/clang/lib/Driver/Tools.cpp +=================================================================== +--- clang-3.0.orig/tools/clang/lib/Driver/Tools.cpp 2013-03-27 19:50:18.000000000 +0000 ++++ clang-3.0/tools/clang/lib/Driver/Tools.cpp 2013-03-27 19:53:28.000000000 +0000 +@@ -442,6 +442,9 @@ + if (Arg *A = Args.getLastArg(options::OPT_march_EQ)) { + // Otherwise, if we have -march= choose the base CPU for that arch. + MArch = A->getValue(Args); ++ } else if (Triple.getEnvironment() == llvm::Triple::GNUEABIHF) { ++ // Use armv6 for armhf (raspbian version of patch) ++ MArch = "armv6"; + } else { + // Otherwise, use the Arch from the triple. + MArch = Triple.getArchName(); diff -Nru clang-3.0/debian/patches/30-powerpc-no-altivec.patch clang-3.0/debian/patches/30-powerpc-no-altivec.patch --- clang-3.0/debian/patches/30-powerpc-no-altivec.patch 1970-01-01 00:00:00.000000000 +0000 +++ clang-3.0/debian/patches/30-powerpc-no-altivec.patch 2013-03-28 09:00:48.000000000 +0000 @@ -0,0 +1,20 @@ +Description: Make sure PowerPC doesn't default to altivec on +Author: Adam Conrad <adcon...@ubuntu.com> +Forwarded: no +Reviewed-By: Colin Watson <cjwat...@ubuntu.com> +Last-Update: 2012-04-24 + +Index: b/tools/clang/lib/Lex/Makefile +=================================================================== +--- a/tools/clang/lib/Lex/Makefile ++++ b/tools/clang/lib/Lex/Makefile +@@ -16,9 +16,5 @@ + + LIBRARYNAME := clangLex + +-ifeq ($(ARCH),PowerPC) +-CXX.Flags += -maltivec +-endif +- + include $(CLANG_LEVEL)/Makefile + diff -Nru clang-3.0/debian/patches/series clang-3.0/debian/patches/series --- clang-3.0/debian/patches/series 2013-02-06 12:53:12.000000000 +0000 +++ clang-3.0/debian/patches/series 2013-03-28 09:01:26.000000000 +0000 @@ -9,3 +9,5 @@ 26-set-correct-float-abi.diff 27-dynamic-linker.diff 28-gcc-4.7.diff +29-set-default-cpu-for-armhf.diff +30-powerpc-no-altivec.patch