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detect-compiler: make detection independent of locale 

`detect-compiler` has accumulated a few compiler dependent workarounds
lately for the more and more ubiquitious gcc12. This is intended to make
CI set-ups work across tool-chain updates, but also help those
developers who build with `DEVELOPER=1`.

Alas, `detect-compiler` uses the locale dependent output of `$(CC) -v`
to parse for the version string, which fails unless it literally
contains ` version`.

Use `LANG=C $(CC) -v` instead to grep for stable output.

Signed-off-by: Michael J Gruber <git@grubix.eu>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Michael J Gruber 2022-05-09 13:22:02 +02:00 committed by Junio C Hamano
parent d516b2db0a
commit 1fbfd96f50
1 changed files with 1 additions and 1 deletions
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@ -9,7 +9,7 @@ CC="$*"
# #
# FreeBSD clang version 3.4.1 (tags/RELEASE...) # FreeBSD clang version 3.4.1 (tags/RELEASE...)
get_version_line() { get_version_line() {
$CC -v 2>&1 | grep ' version ' LANG=C LC_ALL=C $CC -v 2>&1 | grep ' version '
} }
get_family() { get_family() {