slightly nicer

Author: lemire

benchmarks/CMakeLists.txt

@@ -14,8 +14,8 @@ int main(void) {
     std::from_chars_result result2 = std::from_chars(ptr, ptr, valued, std::chars_format::general);
     return 0;
 }
-" from_chars_ok)
-target_compile_definitions(benchmark PUBLIC FROM_CHARS_SUPPORTED=$<IF:$<BOOL:${from_chars_ok}>,1,0>)
+" FROM_CHARS_OK)
+target_compile_definitions(benchmark PUBLIC FROM_CHARS_SUPPORTED=$<IF:$<BOOL:${FROM_CHARS_OK}>,1,0>)
 check_source_compiles(CXX "
 #include <charconv>
 int main(void) {
@@ -26,9 +26,18 @@ int main(void) {
     std::to_chars_result result2 = std::to_chars(ptr, ptr, valued);
     return 0;
 }
-" to_chars)
-target_compile_definitions(benchmark PUBLIC TO_CHARS_SUPPORTED=$<IF:$<BOOL:${to_chars}>,1,0>)
-
+" TO_CHARS_OK)
+target_compile_definitions(benchmark PUBLIC TO_CHARS_SUPPORTED=$<IF:$<BOOL:${TO_CHARS_OK}>,1,0>)
+if(TO_CHARS_OK)
+  message(STATUS "std::to_chars with floats is supported")
+else(TO_CHARS_OK)
+  message(STATUS "std::to_chars with floats is NOT supported")
+endif(TO_CHARS_OK)
+if(FROM_CHARS_OK)
+  message(STATUS "std::from_chars with floats is supported")
+else(FROM_CHARS_OK)
+  message(STATUS "std::from_chars with floats is NOT supported")
+endif(FROM_CHARS_OK)
 CPMAddPackage(
   NAME fast_float
   GITHUB_REPOSITORY "fastfloat/fast_float"