Fix build with python 3

kartikmohta · Benno Evers · commit 037022be2b23 · 2017-12-11T17:05:12.000+01:00
diff --git a/matplotlibcpp.h b/matplotlibcpp.h
@@ -72,15 +72,19 @@ namespace matplotlibcpp {
 			}
 
 			private:
+#ifndef WITHOUT_NUMPY
 #if PY_MAJOR_VERSION >= 3
-			int import_numpy() {
+			void *import_numpy() {
 				import_array(); // initialize C-API
+				return NULL;
 			}
 #else
 			void import_numpy() {
 				import_array(); // initialize C-API
 			}
 #endif
+#endif
+
 			_interpreter() {
 
                 // optional but recommended

Original file line number	Diff line number	Diff line change
`@@ -72,15 +72,19 @@ namespace matplotlibcpp {`
`72`	`72`	`}`
`73`	`73`
`74`	`74`	`private:`
	`75`	`+#ifndef WITHOUT_NUMPY`
`75`	`76`	`#if PY_MAJOR_VERSION >= 3`
`76`		`- int import_numpy() {`
	`77`	`+ void *import_numpy() {`
`77`	`78`	`import_array(); // initialize C-API`
	`79`	`+ return NULL;`
`78`	`80`	`}`
`79`	`81`	`#else`
`80`	`82`	`void import_numpy() {`
`81`	`83`	`import_array(); // initialize C-API`
`82`	`84`	`}`
`83`	`85`	`#endif`
	`86`	`+#endif`
	`87`	`+`
`84`	`88`	`_interpreter() {`
`85`	`89`
`86`	`90`	`// optional but recommended`