cmake: try to link libm.

3 years ago · 7431c7a717
1 changed files with 1 additions and 0 deletions
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@ -115,6 +115,7 @@ endif()
				@@ -115,6 +115,7 @@ endif()

 check_include_file("tgmath.h" HAVE_TGMATH_H)
 if(HAVE_TGMATH_H)
+	set(CMAKE_REQUIRED_LIBRARIES "m")
 	check_c_source_compiles("#include <tgmath.h>
 	const float val = 2, val2 = 3;
 	int main(){ return (int)(-asin(val) + cos(val2)); }" HAVE_VALID_TGMATH_H )