--- configure.ac.orig	2019-01-30 23:45:03 UTC
+++ configure.ac
@@ -1201,7 +1201,7 @@ if test x"${build_egl_device}" = xyes; then
     build_egl_device=no
   fi
   save_CFLAGS="$CFLAGS"
-  CFLAGS="$CFLAGS -Wall -Werror"
+  CFLAGS="$CFLAGS -Wall -Werror -Wno-unused-but-set-variable "
   native_window_type=none
   AC_MSG_CHECKING([For EGLNativeWindowType type])
   AC_TRY_COMPILE([#include <EGL/eglplatform.h>], [
@@ -4145,7 +4145,7 @@ if test x${build_ssl} = xyes; then
     fi
     echo "        SSL libs are: $SSL_LIBS"
   else
-    PKG_ERR([No SSL development package is installed, but it's enabled."])
+    PKG_ERR([No SSL development package is installed, but it's enabled.])
   fi
 fi
 
@@ -4158,7 +4158,7 @@ if test x${build_ssh} = xyes; then
     fi
     echo "        SSH libs are: $SSH_LIBS"
   else
-    PKG_ERR([No SSH development package is installed, but it's enabled."])
+    PKG_ERR([No SSH development package is installed, but it's enabled.])
   fi
 fi