From d4ffa9630277fa8699c783c08381d688626d4bc3 Mon Sep 17 00:00:00 2001
From: Marius Bakke <marius@gnu.org>
Date: Sun, 16 May 2021 00:26:49 +0200
Subject: gnu: autotrace: Prepare for GLib 2.68 and later.

* gnu/packages/patches/autotrace-glib-compat.patch: New file.
* gnu/local.mk (dist_patch_DATA): Adjust accordingly.
* gnu/packages/graphics.scm (autotrace)[source](patches): New field.
---
 gnu/packages/patches/autotrace-glib-compat.patch | 50 ++++++++++++++++++++++++
 1 file changed, 50 insertions(+)
 create mode 100644 gnu/packages/patches/autotrace-glib-compat.patch

(limited to 'gnu/packages/patches/autotrace-glib-compat.patch')

diff --git a/gnu/packages/patches/autotrace-glib-compat.patch b/gnu/packages/patches/autotrace-glib-compat.patch
new file mode 100644
index 0000000000..e63dcedf83
--- /dev/null
+++ b/gnu/packages/patches/autotrace-glib-compat.patch
@@ -0,0 +1,50 @@
+Fix build with GLib 2.68 and later.
+
+Taken from upstream pull request:
+https://github.com/autotrace/autotrace/pull/41
+
+diff --git a/src/autotrace.h b/src/autotrace.h
+--- a/src/autotrace.h
++++ b/src/autotrace.h
+@@ -23,6 +23,9 @@
+ 
+ #include <stdio.h>
+ 
++#include "types.h"
++#include "color.h"
++
+ #ifdef __cplusplus
+ extern "C" {
+ #endif                          /* __cplusplus */
+@@ -35,9 +38,6 @@ extern "C" {
+  * Typedefs
+  * ===================================================================== */
+ 
+-#include "types.h"
+-#include "color.h"
+-
+ /* Third degree is the highest we deal with.  */
+   enum _at_polynomial_degree {
+     AT_LINEARTYPE = 1,
+diff --git a/src/color.h b/src/color.h
+--- a/src/color.h
++++ b/src/color.h
+@@ -24,6 +24,10 @@
+ #include <glib.h>
+ #include <glib-object.h>
+ 
++#ifdef __cplusplus
++extern "C" {
++#endif                          /* __cplusplus */
++
+ typedef struct _at_color at_color;
+ struct _at_color {
+   guint8 r;
+@@ -43,4 +47,7 @@ void at_color_free(at_color * color);
+ GType at_color_get_type(void);
+ #define AT_TYPE_COLOR (at_color_get_type ())
+ 
++#ifdef __cplusplus
++}
++#endif                          /* __cplusplus */
+ #endif /* not AT_COLOR_H */
-- 
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