From: Lasse Collin <lasse.collin@tukaani.org>
Date: Wed, 10 Apr 2024 19:21:51 +0000 (+0300)
Subject: Build: If ARM64 feature detection func is found, stop looking for others
X-Git-Tag: v5.7.1alpha~404
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=308a9af85400b0e2019f0f012c8354e831d06d65;p=thirdparty%2Fxz.git

Build: If ARM64 feature detection func is found, stop looking for others

This can speed up configure a tiny bit.

Fixes: c5f6d79cc9515a7f22d7ea4860c6cc394b295732
---

diff --git a/configure.ac b/configure.ac
index b6f9f8b7..b8b52c9e 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1091,7 +1091,7 @@ uint32_t my_crc(uint32_t a, uint64_t b)
 # The C code is responsible for checking defined(__APPLE__) before using
 # sysctlbyname("hw.optional.armv8_crc32", ...).
 AS_IF([test "x$enable_arm64_crc32" = xyes], [
-	AC_CHECK_FUNCS([getauxval elf_aux_info sysctlbyname])
+	AC_CHECK_FUNCS([getauxval elf_aux_info sysctlbyname], [break])
 ])