diff options
-rw-r--r-- | modules/etc/SCsub | 4 | ||||
-rw-r--r-- | platform/x11/detect.py | 4 |
2 files changed, 7 insertions, 1 deletions
diff --git a/modules/etc/SCsub b/modules/etc/SCsub index 8f5937017e..f0c1ee64b9 100644 --- a/modules/etc/SCsub +++ b/modules/etc/SCsub @@ -35,3 +35,7 @@ env_etc.add_source_files(env.modules_sources, "*.cpp") # upstream uses c++11 env_etc.Append(CXXFLAGS="-std=gnu++11") +# -ffast-math seems to be incompatible with ec2comp on recent versions of +# GCC and Clang +if '-ffast-math' in env_etc['CCFLAGS']: + env_etc['CCFLAGS'].remove('-ffast-math') diff --git a/platform/x11/detect.py b/platform/x11/detect.py index 79778136ad..f355de0eb3 100644 --- a/platform/x11/detect.py +++ b/platform/x11/detect.py @@ -74,7 +74,9 @@ def configure(env): ## Build type if (env["target"] == "release"): - env.Prepend(CCFLAGS=['-Ofast']) + # -O3 -ffast-math is identical to -Ofast. We need to split it out so we can selectively disable + # -ffast-math in code for which it generates wrong results. + env.Prepend(CCFLAGS=['-O3', '-ffast-math']) if (env["debug_release"] == "yes"): env.Prepend(CCFLAGS=['-g2']) |