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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 3ad464bfc7df6d0f68c7df9c907089b84d92ab75)
Mans Rullgard authored on 2011/02/14 06:00:03Showing 1 changed files
| ... | ... |
@@ -1868,7 +1868,7 @@ elif $cc -v 2>&1 | grep -qi ^gcc; then |
| 1868 | 1868 |
cc_version=__VERSION__ |
| 1869 | 1869 |
gcc_version=$($cc --version | head -n1) |
| 1870 | 1870 |
gcc_basever=$($cc -dumpversion) |
| 1871 |
- gcc_pkg_ver=$(expr "$gcc_version" : '^[^ ]* \(([^)]*)\)') |
|
| 1871 |
+ gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)') |
|
| 1872 | 1872 |
gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)") |
| 1873 | 1873 |
cc_ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver") |
| 1874 | 1874 |
if ! $cc -dumpversion | grep -q '^2\.'; then |