From fd87a081bb6acc33ec4e581f1ce60edcad80eda1 Mon Sep 17 00:00:00 2001
From: Alexander Neumann <30894796+Neumann-A@users.noreply.github.com>
Date: Thu, 27 Jun 2019 00:00:48 +0200
Subject: [PATCH] Introduce an easier way to identify target systems... (#6846)

* Introduce an easier way to identify target systems...

* fix missing ()

* move the include around.
also added vcpkg_common_functions to be automatically included

* remove warning message

* added remaining VCPKG_CMAKE_SYSTEM_NAMEs found only in vcpkg_configure_cmake to load a toolchain.

* remove warning again from messed up merge
---
 scripts/cmake/vcpkg_common_definitions.cmake | 14 ++++++++++++++
 scripts/ports.cmake                          |  2 ++
 2 files changed, 16 insertions(+)
 create mode 100644 scripts/cmake/vcpkg_common_definitions.cmake

diff --git a/scripts/cmake/vcpkg_common_definitions.cmake b/scripts/cmake/vcpkg_common_definitions.cmake
new file mode 100644
index 0000000000..8dc05de3cc
--- /dev/null
+++ b/scripts/cmake/vcpkg_common_definitions.cmake
@@ -0,0 +1,14 @@
+if (NOT VCPKG_CMAKE_SYSTEM_NAME OR VCPKG_CMAKE_SYSTEM_NAME STREQUAL "WindowsStore")
+    set(VCPKG_TARGET_IS_WINDOWS 1)
+    if(VCPKG_CMAKE_SYSTEM_NAME STREQUAL "WindowsStore")
+        set(VCPKG_TARGET_IS_UWP 1)
+    endif()
+elseif(VCPKG_CMAKE_SYSTEM_NAME STREQUAL "Darwin")
+    set(VCPKG_TARGET_IS_OSX 1)
+elseif(VCPKG_CMAKE_SYSTEM_NAME STREQUAL "Linux")
+    set(VCPKG_TARGET_IS_LINUX 1)
+elseif(VCPKG_CMAKE_SYSTEM_NAME STREQUAL "Android")
+    set(VCPKG_TARGET_IS_ANDROID 1)
+elseif(VCPKG_CMAKE_SYSTEM_NAME STREQUAL "FreeBSD")
+    set(VCPKG_TARGET_IS_FREEBSD 1)
+endif()
diff --git a/scripts/ports.cmake b/scripts/ports.cmake
index 7a5f2749f3..118cc94813 100644
--- a/scripts/ports.cmake
+++ b/scripts/ports.cmake
@@ -68,6 +68,8 @@ if(CMD MATCHES "^BUILD$")
 
     include(${CMAKE_TRIPLET_FILE})
     set(TRIPLET_SYSTEM_ARCH ${VCPKG_TARGET_ARCHITECTURE})
+    include(${CMAKE_CURRENT_LIST_DIR}/cmake/vcpkg_common_definitions.cmake)
+    include(${CMAKE_CURRENT_LIST_DIR}/cmake/vcpkg_common_functions.cmake)
     include(${CURRENT_PORT_DIR}/portfile.cmake)
 
     set(BUILD_INFO_FILE_PATH ${CURRENT_PACKAGES_DIR}/BUILD_INFO)