only use feenableexcept with glibc

src/jlapi.c

@@ -532,20 +532,9 @@ JL_DLLEXPORT int jl_set_fenv_rounding(int i)
 
 JL_DLLEXPORT int jl_set_fenv_except(int excepts)
 {
-#ifdef _OS_DARWIN_
- // https://stackoverflow.com/questions/71821666/trapping-floating-point-exceptions-and-signal-handling-on-apple-silicon
- fenv_t env;
- fegetenv(&env);
-#if defined(_CPU_AARCH64_)
- env.__fpcr = (env.__fpcr & ~(FE_ALL_EXCEPT << 8)) | (excepts << 8);
-#elif defined(_CPU_X86_64_)
- env.__control = (env.__control | FE_ALL_EXCEPT) & ~excepts;
- env.__mxcsr = (env.__mxcsr | FE_ALL_EXCEPT << 7) & ~(excepts << 7);
-#else
- return 1;
-#endif
- fesetenv(&env);
- return 0;
+#if defined(__GLIBC__)
+ int prev_excepts = feenableexcept(excepts);
+ return prev_excepts >= 0;
 #elif defined(_OS_WINDOWS_)
  unsigned int flags = 0;
  if (excepts & FE_INEXACT)
@@ -560,9 +549,22 @@ JL_DLLEXPORT int jl_set_fenv_except(int excepts)
  flags |= _EM_INVALID;
  _controlfp(flags, _MCW_EM);
  return 0;
+#elif defined(_OS_DARWIN_)
+ // https://stackoverflow.com/questions/71821666/trapping-floating-point-exceptions-and-signal-handling-on-apple-silicon
+ fenv_t env;
+ fegetenv(&env);
+#if defined(_CPU_AARCH64_)
+ env.__fpcr = (env.__fpcr & ~(FE_ALL_EXCEPT << 8)) | (excepts << 8);
+#elif defined(_CPU_X86_64_)
+ env.__control = (env.__control | FE_ALL_EXCEPT) & ~excepts;
+ env.__mxcsr = (env.__mxcsr | FE_ALL_EXCEPT << 7) & ~(excepts << 7);
 #else
- int prev_excepts = feenableexcept(excepts);
- return prev_excepts >= 0;
+ return 1;
+#endif
+ fesetenv(&env);
+ return 0;
+#else
+ return 1;
 #endif
 }