From: Vladislav Shchapov <vladislav@shchapov.ru>
Date: Fri, 3 May 2024 17:03:21 +0000 (+0500)
Subject: Fix -std option in configure script
X-Git-Tag: 2.2.0~27
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d27ff46e8acbbcbd20f2959342ea12434abfe768;p=thirdparty%2Fzlib-ng.git

Fix -std option in configure script

Signed-off-by: Vladislav Shchapov <vladislav@shchapov.ru>
---

diff --git a/configure b/configure
index 1c7a1ea4..620aebd5 100755
--- a/configure
+++ b/configure
@@ -300,7 +300,9 @@ show $cc -c $test.c
 if test "$gcc" -eq 1 && ($cc $CFLAGS -c $test.c) >> configure.log 2>&1; then
   echo "$cc" | tee -a configure.log
   CC="$cc"
-  CFLAGS="${CFLAGS} -std=c11"
+  if test "${CFLAGS#*"-std="}" = "$CFLAGS" ; then
+    CFLAGS="${CFLAGS} -std=c11"
+  fi
 
   # Re-check ARCH if the compiler is a cross-compiler.
   if $CC -print-multiarch 1> /dev/null 2>&1 && test -n "$($CC -print-multiarch)" 1> /dev/null 2>&1; then