enable -fno-math-errno as we never check errno (#9281)

- disables setting of the errno variable as required by C89/C99 on calling math library routines
2018-04-11 22:17:39 -04:00 · 2018-04-11 22:17:39 -04:00 · bdf4f19867
parent 28f9b38919
commit bdf4f19867
1 changed files with 3 additions and 0 deletions
--- a/cmake/common/px4_base.cmake
+++ b/cmake/common/px4_base.cmake
@ -361,7 +361,10 @@ function(px4_add_common_flags)
 	set(_optimization_flags
 		-fno-strict-aliasing
 		-fomit-frame-pointer
+
+		-fno-math-errno
 		-funsafe-math-optimizations
+
 		-ffunction-sections
 		-fdata-sections
 		)