[pthreads] support ARM arch and UWP platform (#16348)

* [pthreads] support ARM/UWP

* arm: enable macro __PTW32_PROGCTR
* uwp: LINK option /APPCONTAINER
* uwp: link with 'kernel32', 'windowsapp'

* [pthreads] update baseline and port SHA

* [pthreads] extract changes to patch

* [pthreads] remove pthreads from ci.baseline.txt

* [pthreads] separate uwp patch

* update ci.baseline.txt for arm/arm64

* [pthreads] unify patch list

* update ci.baseline.txt

4 files changed, 44 insertions, 8 deletions

diff --git a/ports/pthreads/fix-arm-macro.patch b/ports/pthreads/fix-arm-macro.patch
new file mode 100644
index 000000000..559b38579
--- /dev/null
+++ b/ports/pthreads/fix-arm-macro.patch
@@ -0,0 +1,13 @@
+diff --git a/context.h b/context.h
+index 33294c1..318b689 100644
+--- a/context.h
++++ b/context.h
+@@ -62,7 +62,7 @@
+ #endif
+ 
+ #if defined(_ARM_) || defined(ARM) || defined(_M_ARM) || defined(_M_ARM64)
+-#define PTW32_PROGCTR(Context)  ((Context).Pc)
++#define __PTW32_PROGCTR(Context)  ((Context).Pc)
+ #endif
+ 
+ #if !defined (__PTW32_PROGCTR)
diff --git a/ports/pthreads/fix-uwp-linkage.patch b/ports/pthreads/fix-uwp-linkage.patch
new file mode 100644
index 000000000..77d3a5b15
--- /dev/null
+++ b/ports/pthreads/fix-uwp-linkage.patch
@@ -0,0 +1,17 @@
+diff --git a/implement.h b/implement.h
+index 1579376..3a7d29b 100644
+--- a/implement.h
++++ b/implement.h
+@@ -36,6 +36,12 @@
+ #if !defined(_IMPLEMENT_H)
+ #define _IMPLEMENT_H
+ 
++#if 1 // The condition should be `defined(__cplusplus_winrt)` when compile option is provided correctly.
++// porvide 2 static libs to resolve link error. 'kernel32' and 'windowsapp'
++#pragma comment(lib, "kernel32")
++#pragma comment(lib, "WindowsApp")
++#endif
++
+ #if !defined (__PTW32_CONFIG_H)
+ # error "config.h was not #included"
+ #endif
diff --git a/ports/pthreads/portfile.cmake b/ports/pthreads/portfile.cmake
index 967ff54e1..52dc6c663 100644
--- a/ports/pthreads/portfile.cmake
+++ b/ports/pthreads/portfile.cmake
@@ -3,14 +3,19 @@ if(NOT VCPKG_TARGET_IS_WINDOWS)
   return()
 endif()
 
-vcpkg_fail_port_install(MESSAGE "${PORT} does not currently support UWP platform nor ARM architectures" ON_TARGET "UWP" ON_ARCH "arm" )
-
 set(PTHREADS4W_VERSION "3.0.0")
 
+if(VCPKG_TARGET_IS_UWP)
+  list(APPEND PATCH_FILES fix-uwp-linkage.patch)
+  # Inject linker option using the `LINK` environment variable
+  # https://docs.microsoft.com/en-us/cpp/build/reference/linker-options
+  # https://docs.microsoft.com/en-us/cpp/build/reference/linking#link-environment-variables
+  set(ENV{LINK} "/APPCONTAINER")
+endif()
 if (VCPKG_CRT_LINKAGE STREQUAL dynamic)
-    set(PATCH_FILE use-md.patch)
+  list(APPEND PATCH_FILES use-md.patch)
 else()
-    set(PATCH_FILE use-mt.patch)
+  list(APPEND PATCH_FILES use-mt.patch)
 endif()
 
 vcpkg_from_sourceforge(
@@ -18,7 +23,9 @@ vcpkg_from_sourceforge(
     REPO pthreads4w
     FILENAME "pthreads4w-code-v${PTHREADS4W_VERSION}.zip"
     SHA512 49e541b66c26ddaf812edb07b61d0553e2a5816ab002edc53a38a897db8ada6d0a096c98a9af73a8f40c94283df53094f76b429b09ac49862465d8697ed20013
-    PATCHES ${PATCH_FILE}
+    PATCHES
+        fix-arm-macro.patch
+        ${PATCH_FILES}
 )
 
 find_program(NMAKE nmake REQUIRED)
diff --git a/ports/pthreads/vcpkg.json b/ports/pthreads/vcpkg.json
index 5a0423fb6..3c5301d76 100644
--- a/ports/pthreads/vcpkg.json
+++ b/ports/pthreads/vcpkg.json
@@ -1,8 +1,7 @@
 {
   "name": "pthreads",
   "version": "3.0.0",
-  "port-version": 7,
+  "port-version": 8,
   "description": "pthreads for windows",
-  "homepage": "https://sourceware.org/pub/pthreads-win32/",
-  "supports": "!(uwp | arm | arm64)"
+  "homepage": "https://sourceware.org/pub/pthreads-win32/"
 }