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Date: Mon, 19 Jan 2015 14:20:10 +0800
From: Vadim Ushakov <>
Subject: "checking whether compiler is gcc... no" on a non-English locale


musl's ./configure fails to properly detect gcc compiler when running
on a non-English locale.

Output of gcc -v is localized. For example:

$ env LC_ALL=C gcc -v |& tail -1
gcc version 4.9.2 20141224 (prerelease) (GCC)
$ env LC_ALL=ru_RU.utf8 gcc -v |& tail -1
gcc версия 4.9.2 20141224 (prerelease) (GCC)
$ env LC_ALL=fi_FI.utf8 gcc -v |& tail -1
gcc-versio 4.9.2 20141224 (prerelease) (GCC)

Since ./configure attempts to detect gcc by fnmatch-ing output of gcc
-v against the pattern '*gcc\ version*', it fails.

Possible fix:

diff --git a/configure b/configure
index 673d291..e23a269 100755
--- a/configure
+++ b/configure
@@ -204,7 +204,7 @@ fi
 # musl-gcc wrapper, and for critical bug detection in some gcc versions.
 printf "checking whether compiler is gcc... "
-if fnmatch '*gcc\ version*' "$($CC -v 2>&1)" ; then
+if fnmatch '*gcc\ version*' "$(env LC_ALL=C $CC -v 2>&1)" ; then

Vadim Ushakov

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