diff options
| author | Brecht Van Lommel <brecht@blender.org> | 2020-02-27 14:46:37 +0300 |
|---|---|---|
| committer | Brecht Van Lommel <brecht@blender.org> | 2020-02-27 14:52:19 +0300 |
| commit | abc040f26cb13b17ac52ea8579dc0d0d894f8bfc (patch) | |
| tree | 570bdbd961ba9407f515db2a9b0895d0ee2a42cb /intern | |
| parent | cb2f5d498e450da0b2f26702ed4d2691d9ee3750 (diff) | |
Build: change libc compatibility code to only be used for new glibc
This way we can still use fast math functions.
Diffstat (limited to 'intern')
| -rw-r--r-- | intern/libc_compat/CMakeLists.txt | 2 | ||||
| -rw-r--r-- | intern/libc_compat/libc_compat.c | 9 |
2 files changed, 10 insertions, 1 deletions
diff --git a/intern/libc_compat/CMakeLists.txt b/intern/libc_compat/CMakeLists.txt index 21d252806d4..f8fede5673b 100644 --- a/intern/libc_compat/CMakeLists.txt +++ b/intern/libc_compat/CMakeLists.txt @@ -32,4 +32,6 @@ set(SRC set(LIB ) +add_c_flag(-ffast-math) + blender_add_lib(bf_intern_libc_compat "${SRC}" "${INC}" "${INC_SYS}" "${LIB}") diff --git a/intern/libc_compat/libc_compat.c b/intern/libc_compat/libc_compat.c index bc1a43c6fb1..8da3ca218af 100644 --- a/intern/libc_compat/libc_compat.c +++ b/intern/libc_compat/libc_compat.c @@ -21,7 +21,11 @@ * incompatible with the system libraries that Blender is built on. To solve * this we add a few -ffast-math symbols that can be missing. */ -#include <math.h> +#ifdef __linux__ +# include <features.h> +# include <math.h> + +# if defined(__GLIBC_PREREQ) && __GLIBC_PREREQ(2, 31) double __exp_finite(double x); double __acos_finite(double x); @@ -107,3 +111,6 @@ float __powf_finite(float x, float y) { return powf(x, y); } + +# endif /* __GLIBC_PREREQ */ +#endif /* __linux__ */ |