autogen: test compare strings with != not -ne

Signed-off-by: Loic Dachary <loic@dachary.org>

diff --git a/do_autogen.sh b/do_autogen.sh
index bc6749e9e5dd2dd7767e8ab9e4aabe457ea8af81..ea498d863ac08a79976d3cba69157e7661749496 100755 (executable)
--- a/do_autogen.sh
+++ b/do_autogen.sh
@@ -79,7 +79,7 @@ if [ "${debug_level}" -ge 3 ]; then
 -Wno-missing-field-initializers -Wno-missing-declarations"
 fi
 if [ "${debug_level}" -ge 4 ]; then
-    if [ "${CXX}" -ne "clang++" ]; then
+    if [ "${CXX}" != "clang++" ]; then
         CXXFLAGS="${CXXFLAGS} -Wstrict-null-sentinel -Woverloaded-virtual"
     else
         CXXFLAGS="${CXXFLAGS} -Woverloaded-virtual"