From 8cfc78e890b18762f1f5d0aff346c397de2e6d56 Mon Sep 17 00:00:00 2001
From: Aybe <aybe@users.noreply.github.com>
Date: Sat, 14 Jul 2018 23:03:36 +0200
Subject: [liblzma] Enabled UWP builds

---
 ports/liblzma/enable-uwp-builds.patch | 26 ++++++++++++++++++++++++++
 ports/liblzma/portfile.cmake          |  9 +++++----
 2 files changed, 31 insertions(+), 4 deletions(-)
 create mode 100644 ports/liblzma/enable-uwp-builds.patch

diff --git a/ports/liblzma/enable-uwp-builds.patch b/ports/liblzma/enable-uwp-builds.patch
new file mode 100644
index 000000000..4551ce7b5
--- /dev/null
+++ b/ports/liblzma/enable-uwp-builds.patch
@@ -0,0 +1,26 @@
+diff --git a/src/common/tuklib_physmem.c b/src/common/tuklib_physmem.c
+index 4053ad0..c49db6d 100644
+--- a/src/common/tuklib_physmem.c
++++ b/src/common/tuklib_physmem.c
+@@ -79,6 +79,13 @@ tuklib_physmem(void)
+ 	uint64_t ret = 0;
+ 
+ #if defined(_WIN32) || defined(__CYGWIN__)
++#if defined (WINAPI_FAMILY_PARTITION) && !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP | WINAPI_PARTITION_SYSTEM)
++	MEMORYSTATUSEX ms;
++	ms.dwLength = sizeof(ms);
++	if(!GlobalMemoryStatusEx(&ms))
++		return 0;
++	return ms.ullTotalPhys;
++#else
+ 	if ((GetVersion() & 0xFF) >= 5) {
+ 		// Windows 2000 and later have GlobalMemoryStatusEx() which
+ 		// supports reporting values greater than 4 GiB. To keep the
+@@ -107,6 +114,7 @@ tuklib_physmem(void)
+ 		GlobalMemoryStatus(&meminfo);
+ 		ret = meminfo.dwTotalPhys;
+ 	}
++#endif
+ 
+ #elif defined(__OS2__)
+ 	unsigned long mem;
diff --git a/ports/liblzma/portfile.cmake b/ports/liblzma/portfile.cmake
index 81c43a0f8..f6b037c43 100644
--- a/ports/liblzma/portfile.cmake
+++ b/ports/liblzma/portfile.cmake
@@ -1,7 +1,3 @@
-if(VCPKG_CMAKE_SYSTEM_NAME STREQUAL "WindowsStore")
-    message(FATAL_ERROR "${PORT} does not currently support UWP")
-endif()
-
 include(vcpkg_common_functions)
 
 vcpkg_from_github(
@@ -12,6 +8,11 @@ vcpkg_from_github(
     HEAD_REF master
 )
 
+vcpkg_apply_patches(
+    SOURCE_PATH ${CURRENT_BUILDTREES_DIR}/src/v5.2.3-b3437cea7b
+    PATCHES "${CMAKE_CURRENT_LIST_DIR}/enable-uwp-builds.patch"
+)
+
 file(COPY ${CMAKE_CURRENT_LIST_DIR}/CMakeLists.txt DESTINATION ${SOURCE_PATH})
 
 vcpkg_configure_cmake(
-- 
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