From a6e3daba9ec5b87e8acbeb79cdea1cd1d9ebe8d5 Mon Sep 17 00:00:00 2001
From: Adrien Bertrand <bertrand.adrien@gmail.com>
Date: Mon, 16 Jan 2023 10:59:17 +0100
Subject: [PATCH] windows: get the build working further (restrict usage)

Note: we cannot simply do a -Drestrict=__restrict
because of an internal conflict with the windows SDK
---
 CMakeLists.txt               |  3 ---
 libticonv/trunk/src/ticonv.h | 12 ++++++++++++
 2 files changed, 12 insertions(+), 3 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 1af1a7f4d..ff73c123b 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -118,9 +118,6 @@ elseif(WIN32)
     include_directories(${CMAKE_SOURCE_DIR}/win32_config)
 endif()
 
-# Needed for C++ compat
-add_definitions(-Drestrict=__restrict)
-
 # i18n support checking
 include(FindGettext)
 include(FindIntl)
diff --git a/libticonv/trunk/src/ticonv.h b/libticonv/trunk/src/ticonv.h
index c5dbfa4d3..d8e0e866e 100644
--- a/libticonv/trunk/src/ticonv.h
+++ b/libticonv/trunk/src/ticonv.h
@@ -41,6 +41,13 @@
 
 #ifdef __cplusplus
 extern "C" {
+#endif
+
+// Work around a Windows SDK issue that prevents us from just using "restrict" directly in both C/C++.
+#if defined(__cplusplus) || defined(_MSC_VER)
+#define _ticonv_restrict_backup restrict
+#undef restrict
+#define restrict __restrict
 #endif
 
 	/***********************/
@@ -213,6 +220,11 @@ typedef struct
 	/* Deprecated functions */
 	/************************/
 
+#if defined(__cplusplus) || defined(_MSC_VER)
+#undef restrict
+#define restrict _ticonv_restrict_backup
+#endif
+
 #ifdef __cplusplus
 }
 #endif