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-rwxr-xr-xBuild/source/texk/web2c/configure2
1 files changed, 1 insertions, 1 deletions
diff --git a/Build/source/texk/web2c/configure b/Build/source/texk/web2c/configure
index 36bc3c4167e..e51d94938f1 100755
--- a/Build/source/texk/web2c/configure
+++ b/Build/source/texk/web2c/configure
@@ -17727,7 +17727,7 @@ fi
case $with_tex_banner in
''|yes|no) with_tex_banner="Web2C $WEB2CVERSION" ;;
- *) if test -z `echo "$with_tex_banner" | sed -n "/ $WEB2CVERSION/p"`; then
+ *) if echo "$with_tex_banner" | grep -v "$WEB2CVERSION" >/dev/null; then
{ { $as_echo "$as_me:$LINENO: error: Bad \`--with-tex-banner=$with_tex_banner' version string (must contain \` $WEB2CVERSION')" >&5
$as_echo "$as_me: error: Bad \`--with-tex-banner=$with_tex_banner' version string (must contain \` $WEB2CVERSION')" >&2;}
{ (exit 1); exit 1; }; }