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Configure: fix gcc version detection in some corner cases

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If the "gcc version ... " string appeared within "Configured with:", it
was picked up rather than the real gcc version string. This might then
break the configure scripts due to a malformed NGX_COMPILER macro.

The simple fix is to look for "gcc version ... " at the start of the
line, rather than anywhere within.

Suggested-by: Aleksei Bavshin <a.bavshin@nginx.com>
Closes: https://github.com/nginx/nginx/issues/1278
This commit is contained in:
Andrew Clayton 2026-04-29 19:18:03 +01:00
parent 6eb7dcdd98
commit 35510ddc94
1 changed files with 1 additions and 1 deletions
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auto/cc/name
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@ -57,7 +57,7 @@ elif `$CC -v 2>&1 | grep 'gcc version' >/dev/null 2>&1`; then
NGX_CC_NAME=gcc
echo " + using GNU C compiler"
NGX_CC_VER=`$CC -v 2>&1 | sed -n -e 's/^.*gcc version \(.*\)/\1/p'`
NGX_CC_VER=`$CC -v 2>&1 | sed -n -e 's/^gcc version \(.*\)/\1/p'`
echo " + gcc version: $NGX_CC_VER"
have=NGX_COMPILER value="\"gcc $NGX_CC_VER\"" . auto/define