Attachment 55304 Details for Bug 44584 – Conditionally add the -flto flag only if $CC != llvm-gcc-4.2

[patch] Conditionally add the -flto flag only if $CC != llvm-gcc-4.2

0001-Bug-44584-Build-fails-with-Apple-s-llvm-gcc-4.2.patch (text/plain), 1.04 KB, created by John Ralls on 2012-01-08 11:07:55 UTC

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Creator: John Ralls

Created: 2012-01-08 11:07:55 UTC

Size: 1.04 KB

patch

obsolete

>From a69c3fd5625bd974ad3d838836cd125e5f101b28 Mon Sep 17 00:00:00 2001
>From: John Ralls <jralls@ceridwen.us>
>Date: Sun, 8 Jan 2012 11:03:53 -0800
>Subject: [PATCH] [Bug 44584] Build fails with Apple's llvm-gcc-4.2
>
>Conditionally add the "-flto" flag only if $CC != llvm-gcc-4.2
>---
> build/configure.ac.warnings |    6 ++++--
> 1 files changed, 4 insertions(+), 2 deletions(-)
>
>diff --git a/build/configure.ac.warnings b/build/configure.ac.warnings
>index 3eb0104..a2a8a6d 100644
>--- a/build/configure.ac.warnings
>+++ b/build/configure.ac.warnings
>@@ -29,8 +29,10 @@ MAYBE_WARN="$MAYBE_WARN -erroff=E_ENUM_TYPE_MISMATCH_ARG \
> 
> dnl We also abuse the warning-flag facility to enable other compiler
> dnl options.  Namely, the following:
>-MAYBE_WARN="$MAYBE_WARN -fno-strict-aliasing -fno-common -flto"
>-
>+MAYBE_WARN="$MAYBE_WARN -fno-strict-aliasing -fno-common"
>+if [ $CC ~= "llvm-gcc-4.2" ]; then
>+  MAYBE_WARN="$MAYBE_WARN -flto"
>+fi
> dnl Also to turn various gcc/glibc-specific preprocessor checks
> MAYBE_WARN="$MAYBE_WARN -Wp,-D_FORTIFY_SOURCE=2"
> 
>-- 
>1.7.5.4
>

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