From c20ac4a4134a99ac125747359216d4e85c371731 Mon Sep 17 00:00:00 2001
From: Michael Fabian 'Xaymar' Dirks <info@xaymar.com>
Date: Mon, 10 Aug 2020 01:37:01 +0200
Subject: [PATCH] templates: Add generated configuration file

---
 .clang-format           |  2 +-
 CMakeLists.txt          | 16 +++++++++++++++-
 source/common.hpp       |  1 +
 templates/config.hpp.in | 30 ++++++++++++++++++++++++++++++
 4 files changed, 47 insertions(+), 2 deletions(-)
 create mode 100644 templates/config.hpp.in

diff --git a/.clang-format b/.clang-format
index a98456fe..10ca177b 100644
--- a/.clang-format
+++ b/.clang-format
@@ -20,7 +20,7 @@ NamespaceIndentation: All
 # Includes
 #IncludeBlocks: Regroup
 IncludeCategories:
-  - Regex: '^(<|")(common.hpp|strings.hpp|version.hpp|obs.h)("|>)'
+  - Regex: '^(<|")(config.hpp|common.hpp|strings.hpp|version.hpp|obs.h)("|>)'
     Priority: 100
   - Regex: '^<obs-'
     Priority: 150
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 780dfe76..170708b9 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -260,7 +260,7 @@ set(${PropertyPrefix}SIGN_PASSWORD "" CACHE STRING "Password for the private key
 # CMake / Compiler Dependencies
 ################################################################################
 
-# Configure Version Header
+# Configure Files
 configure_file(
 	"templates/version.hpp.in"
 	"${PROJECT_BINARY_DIR}/generated/version.hpp"
@@ -270,6 +270,18 @@ configure_file(
 	"${PROJECT_BINARY_DIR}/generated/module.cpp"
 )
 
+if(CMAKE_SYSTEM_NAME STREQUAL "Windows")
+	set(D_PLATFORM_WINDOWS 1)
+elseif(CMAKE_SYSTEM_NAME STREQUAL "Linux")
+	set(D_PLATFORM_LINUX 1)
+elseif(CMAKE_SYSTEM_NAME STREQUAL "Mac")
+	set(D_PLATFORM_MAC 1)
+endif()
+configure_file(
+	"templates/config.hpp.in"
+	"${PROJECT_BINARY_DIR}/generated/config.hpp"
+)
+
 if(NOT TARGET libobs)
 	# Packaging
 	if("${CMAKE_PACKAGE_SUFFIX_OVERRIDE}" STREQUAL "")
@@ -468,6 +480,7 @@ list(APPEND PROJECT_DATA
 list(APPEND PROJECT_TEMPLATES
 	"templates/version.hpp.in"
 	"templates/module.cpp.in"
+	"templates/config.hpp.in"
 )
 list(APPEND PROJECT_PRIVATE_SOURCE
 	# Plugin
@@ -531,6 +544,7 @@ list(APPEND PROJECT_PRIVATE_SOURCE
 list(APPEND PROJECT_PRIVATE_GENERATED
 	"${PROJECT_BINARY_DIR}/generated/module.cpp"
 	"${PROJECT_BINARY_DIR}/generated/version.hpp"
+	"${PROJECT_BINARY_DIR}/generated/config.hpp"
 )
 if(WIN32)
 	list(APPEND PROJECT_TEMPLATES
diff --git a/source/common.hpp b/source/common.hpp
index b902c4d5..fa48b8a6 100644
--- a/source/common.hpp
+++ b/source/common.hpp
@@ -44,6 +44,7 @@
 #include <vector>
 
 // Common Plugin includes
+#include "config.hpp"
 #include "strings.hpp"
 #include "version.hpp"
 #include "util/util-math.hpp"
diff --git a/templates/config.hpp.in b/templates/config.hpp.in
new file mode 100644
index 00000000..fe20407e
--- /dev/null
+++ b/templates/config.hpp.in
@@ -0,0 +1,30 @@
+/*
+ * Modern effects for a modern Streamer
+ * Copyright (C) 2020 Michael Fabian Dirks
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
+ */
+
+#define D_PLATFORM "@CMAKE_SYSTEM_NAME@"
+#cmakedefine D_PLATFORM_WINDOWS
+#cmakedefine D_PLATFORM_LINUX
+#cmakedefine D_PLATFORM_MAC
+
+#define D_PLATFORM_BITS @BITS@
+#if D_PLATFORM_BITS == 64
+#define D_PLATFORM_64BIT
+#else
+#define D_PLATFORM_32BIT
+#endif