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configure: fix non-standard regex used with expr 

The colon operator of expr always anchors the pattern at the start
of the string.  An explicit ^ in the pattern has unspecified
behaviour, so remove it.

Signed-off-by: Mans Rullgard <mans@mansr.com>
(cherry picked from commit 3ad464bfc7)
This commit is contained in:
Mans Rullgard 2011-02-13 21:00:03 +00:00 committed by Michael Niedermayer
parent 48e0556739
commit e0099fdaac
1 changed files with 1 additions and 1 deletions
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2
configure vendored
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@ -1868,7 +1868,7 @@ elif $cc -v 2>&1 | grep -qi ^gcc; then
cc_version=__VERSION__
gcc_version=$($cc --version | head -n1)
gcc_basever=$($cc -dumpversion)
gcc_pkg_ver=$(expr "$gcc_version" : '^[^ ]* \(([^)]*)\)')
gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
cc_ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
if ! $cc -dumpversion | grep -q '^2\.'; then