build: Silence a cimpiler warning also in non-maintainer mode.

-- This yields less warnings during a release build.
2021-05-04 12:47:44 +02:00 · 2021-05-04 12:47:44 +02:00 · 26de9c400e
parent b203325ce1
commit 26de9c400e
1 changed files with 3 additions and 0 deletions
--- a/configure.ac
+++ b/configure.ac
@ -1643,6 +1643,9 @@ if test "$GCC" = yes; then

    else
        mycflags="$mycflags -Wall"
+        if test x"$_gcc_silent_wno" = xyes ; then
+          mycflags="$mycflags -Wno-format-zero-length"
+        fi
    fi

    if test x"$_gcc_silent_wno" = xyes ; then