From af4ac3dc852647e5ea41be5ffc387be591978aee Mon Sep 17 00:00:00 2001 From: Paul Eggert Date: Thu, 18 May 2017 20:27:11 -0700 Subject: [PATCH] Port --enable-gcc-warnings to clang 3.9.1 * configure.ac (WERROR_CFLAGS): Omit -Wdouble-promotion if clang. Problem reported by Philipp Stephani in: http://lists.gnu.org/archive/html/emacs-devel/2017-05/msg00495.html --- configure.ac | 1 + 1 file changed, 1 insertion(+) diff --git a/configure.ac b/configure.ac index 34b75a768bf..03542a6b1c3 100644 --- a/configure.ac +++ b/configure.ac @@ -963,6 +963,7 @@ AS_IF([test $gl_gcc_warnings = no], if test $emacs_cv_clang = yes; then nw="$nw -Wcast-align" + nw="$nw -Wdouble-promotion" fi # This causes too much noise in the MinGW build -- 2.39.2