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-rw-r--r--ext/bigdecimal/extconf.rb2
1 files changed, 2 insertions, 0 deletions
diff --git a/ext/bigdecimal/extconf.rb b/ext/bigdecimal/extconf.rb
index 63123e2892..41b8df8d5b 100644
--- a/ext/bigdecimal/extconf.rb
+++ b/ext/bigdecimal/extconf.rb
@@ -28,6 +28,8 @@ end
check_bigdecimal_version(gemspec_path)
+have_header("stdbool.h")
+
have_func("labs", "stdlib.h")
have_func("llabs", "stdlib.h")
have_func("finite", "math.h")