diff '--color=auto' -urN o/configure n/configure
--- o/configure	2025-05-08 12:22:27.519000025 +0200
+++ n/configure	2025-05-08 12:28:27.581274692 +0200
@@ -5451,9 +5451,7 @@
     GCC_MAJOR_VERSION=`$CC --version | $SED -n '1s/[^0-9]*//;1s/\..*//;1p'`
     ;;
   esac
-  if test $GCC_MAJOR_VERSION -ge 4; then
-    CFLAGS="$CFLAGS -fvisibility=hidden"
-  fi
+  CFLAGS="$CFLAGS -fvisibility=hidden"
 fi
 
 case $host_alias in