diff options
Diffstat (limited to 'Makeconfig')
| -rw-r--r-- | Makeconfig | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/Makeconfig b/Makeconfig index 86a71e5802..1afe86475c 100644 --- a/Makeconfig +++ b/Makeconfig @@ -831,6 +831,9 @@ endif # disable any optimization that assume default rounding mode. +math-flags = -frounding-math +# Build libc/libm using -fno-math-errno, but run testsuite with -fmath-errno. ++extra-math-flags = $(if $(filter libnldbl nonlib testsuite,$(in-module)),-fmath-errno,-fno-math-errno) + # We might want to compile with some stack-protection flag. ifneq ($(stack-protector),) +stack-protector=$(stack-protector) @@ -966,6 +969,7 @@ endif override CFLAGS = -std=gnu11 -fgnu89-inline $(config-extra-cflags) \ $(filter-out %frame-pointer,$(+cflags)) $(+gccwarn-c) \ + $(+extra-math-flags) \ $(sysdep-CFLAGS) $(CFLAGS-$(suffix $@)) $(CFLAGS-$(<F)) \ $(CFLAGS-$(@F)) $(tls-model) \ $(foreach lib,$(libof-$(basename $(@F))) \ |