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use enhanced basic regular expressions on macOS

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When 1819ad327b (grep: fix multibyte regex handling under macOS,
2022-08-26) started to use the native regex library instead of Git's
own (compat/regex/), it lost support for alternation in basic
regular expressions.

Bring it back by enabling the flag REG_ENHANCED on macOS when
compiling basic regular expressions.

Reported-by: Marco Nenciarini <marco.nenciarini@enterprisedb.com>
Suggested-by: Jeff King <peff@peff.net>
Signed-off-by: René Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
René Scharfe
2023-01-08 01:42:04 +01:00
committed by Junio C Hamano
parent c48035d29b
commit 54463d32ef
4 changed files with 24 additions and 0 deletions
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config.mak.uname
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@@ -147,6 +147,7 @@ ifeq ($(uname_S),Darwin)
FREAD_READS_DIRECTORIES = UnfortunatelyYes
HAVE_NS_GET_EXECUTABLE_PATH = YesPlease
CSPRNG_METHOD = arc4random
USE_ENHANCED_BASIC_REGULAR_EXPRESSIONS = YesPlease
# Workaround for `gettext` being keg-only and not even being linked via
# `brew link --force gettext`, should be obsolete as of