Don't error on unused-function.

Because of convertCharPointerToStdString for example.

diff --git a/configure.ac b/configure.ac
index aab625a6f2e0fc9f0387248310f02539aa97f531..322f1b49b8044eb2f10319ad7016746c96d81729 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -86,8 +86,8 @@ AC_CHECK_HEADERS(sys/ioctl.h unistd.h)
 AS_IF([test "x${GXX}" = "xyes" ], [
   CXXFLAGS="-Wall -Wextra ${CXXFLAGS}"
   AS_IF([ test "x${enable_debug}" = "xyes" ], [
-    # Add -Werror in debug mode
-    CXXFLAGS="-Werror ${CXXFLAGS}"
+    # Add -Werror in debug mode (except unused-function)
+    CXXFLAGS="-Werror -Wno-error=unused-function ${CXXFLAGS}"
   ], [
     # hide private symbols in non-debug mode
     visibility="-fvisibility=hidden"