Undefine cstdlib::abs before re-defining it (#34)

amotl · web-flow · commit b4eb5a33e67d · 2023-07-05T15:32:14.000-07:00
Apparently, more recent Arduino versions already have it. Fixes `expected unqualified-id before 'long'` build error. See also #2.
diff --git a/cstdlib b/cstdlib
@@ -57,6 +57,9 @@ namespace std{
 	using ::wcstombs;
 #endif
 
+// Undefine `abs`, because Arduino already has it.
+// https://github.com/maniacbug/StandardCplusplus/issues/2#issuecomment-32912640
+#undef abs
 	inline long abs(long i){
 		return labs(i);
 	}

Original file line number	Diff line number	Diff line change
`@@ -57,6 +57,9 @@ namespace std{`
`57`	`57`	`using ::wcstombs;`
`58`	`58`	`#endif`
`59`	`59`
	`60`	+// Undefine `abs`, because Arduino already has it.
	`61`	`+// https://github.com/maniacbug/StandardCplusplus/issues/2#issuecomment-32912640`
	`62`	`+#undef abs`
`60`	`63`	`inline long abs(long i){`
`61`	`64`	`return labs(i);`
`62`	`65`	`}`