diff options
Diffstat (limited to 'ext/bigdecimal')
| -rw-r--r-- | ext/bigdecimal/extconf.rb | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/ext/bigdecimal/extconf.rb b/ext/bigdecimal/extconf.rb index ab856b8d37..4ad5172e2a 100644 --- a/ext/bigdecimal/extconf.rb +++ b/ext/bigdecimal/extconf.rb @@ -46,7 +46,9 @@ have_builtin_func("__builtin_clz", "__builtin_clz(0)") have_builtin_func("__builtin_clzl", "__builtin_clzl(0)") have_header("stdbool.h") -have_header("x86intrin.h") +if have_func("_lzcnt_u64", "x86intrin.h") # check availability + $defs << "-DHAVE_X86INTRIN_H" +end have_func("labs", "stdlib.h") have_func("llabs", "stdlib.h") |