Suppress -Wunused-function about _import_array when compiling tkagg.cpp. · matplotlib/matplotlib@6eba6c0 · GitHub

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Commit 6eba6c0

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anntzer

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Suppress -Wunused-function about _import_array when compiling tkagg.cpp.

Per https://numpy.org/doc/1.17/reference/c-api.array.html#c.NO_IMPORT_ARRAY Other extension modules in Matplotlib already use the same mechanism.

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‎src/_tkagg.cpp‎

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+3Lines changed: 3 additions & 0 deletions

Original file line number	Diff line number	Diff line change
@@ -33,6 +33,9 @@
33	33	#define dlsym GetProcAddress
34	34	#else
35	35	#include <dlfcn.h>
	36	+ // Suppress -Wunused-function on POSIX, but not on Windows where that would
	37	+ // lead to PY_ARRAY_UNIQUE_SYMBOL being an unresolved external.
	38	+ #define NO_IMPORT_ARRAY
36	39	#endif
37	40
38	41	// Include our own excerpts from the Tcl / Tk headers

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