From 5a44f4a233ab2ccb6b9b0e17b2971044860d067e Mon Sep 17 00:00:00 2001
From: Bill Zissimopoulos <billziss@navimatics.com>
Date: Thu, 16 Dec 2021 11:35:38 +0000
Subject: [PATCH] appveyor: use VS2015 to build post-ARM64

---
 appveyor.yml    |  2 ++
 tools/build.bat | 20 ++++++++++++++++++--
 2 files changed, 20 insertions(+), 2 deletions(-)

diff --git a/appveyor.yml b/appveyor.yml
index f3353fa6..c539ab4d 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -46,6 +46,8 @@ build_script:
 #- C:\cygwin64\bin\bash --login -c "make -C '%CD%\opt\cygfuse' dist"
 #- C:\cygwin\setup-x86.exe -qnNd -P cygport
 #- C:\cygwin\bin\bash --login -c "make -C '%CD%\opt\cygfuse' dist"
+# remove ARM64 project configurations to build in VS2015
+- tools\gensrc\remove-all-arm64.bat
 # build winfsp
 - tools\build.bat %CONFIGURATION%
 
diff --git a/tools/build.bat b/tools/build.bat
index fdd83377..9fbe474d 100755
--- a/tools/build.bat
+++ b/tools/build.bat
@@ -24,6 +24,13 @@ if X%~nx0==Xbuild-choco.bat (
     goto :choco
 )
 
+set BuildArm64=yes
+if "%APPVEYOR_BUILD_WORKER_IMAGE%"=="Visual Studio 2015" (
+    echo WARNING: APPVEYOR BUILD ON UNSUPPORTED VERSION OF VISUAL STUDIO.
+    echo:
+    set BuildArm64=no
+)
+
 call "%~dp0vcvarsall.bat" x64
 
 if not X%SignedPackage%==X (
@@ -44,12 +51,21 @@ if X%SignedPackage%==X (
         if exist "%%d" rmdir /s/q "%%d"
     )
 
-    devenv winfsp.sln /build "%Configuration%|ARM64"
-    if errorlevel 1 goto fail
+    if X%BuildArm64%==Xyes (
+        devenv winfsp.sln /build "%Configuration%|ARM64"
+        if errorlevel 1 goto fail
+    )
     devenv winfsp.sln /build "%Configuration%|x64"
     if errorlevel 1 goto fail
     devenv winfsp.sln /build "%Configuration%|x86"
     if errorlevel 1 goto fail
+    if X%BuildArm64%==Xno (
+        echo:
+        echo WARNING: APPVEYOR BUILD ON UNSUPPORTED VERSION OF VISUAL STUDIO.
+        echo WARNING: ARM64 BUILD PRODUCTS ARE COPIES OF X64 BUILD PRODUCTS.
+        echo:
+        copy build\%Configuration%\*-x64.* build\%Configuration%\*-a64.* >nul
+    )
 
     for %%f in (build\%Configuration%\%MyProductFileName%-a64.sys build\%Configuration%\%MyProductFileName%-x64.sys build\%Configuration%\%MyProductFileName%-x86.sys) do (
         signtool sign /ac %CrossCert% /i %Issuer% /n %Subject% /fd sha1 /t http://timestamp.digicert.com %%f