From ba17370ff58cb029b36088dac74bacd431be51dc Mon Sep 17 00:00:00 2001
From: Jay Berkenbilt <ejb@ql.org>
Date: Fri, 16 Oct 2020 11:29:48 -0400
Subject: Make build-scripts portable for GitHub Actions

---
 build-scripts/build-windows.bat | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

(limited to 'build-scripts/build-windows.bat')

diff --git a/build-scripts/build-windows.bat b/build-scripts/build-windows.bat
index 8be269e9..0f81ebf3 100644
--- a/build-scripts/build-windows.bat
+++ b/build-scripts/build-windows.bat
@@ -1,5 +1,6 @@
 @echo on
 @rem Usage: build-windows {32|64} {msvc|mingw}
+setlocal ENABLEDELAYEDEXPANSION
 if %2 == msvc (
     if %1 == 64 (
        call "C:\Program Files (x86)\Microsoft Visual Studio\2019\Enterprise\VC\Auxiliary\Build\vcvars64.bat"
@@ -9,8 +10,11 @@ if %2 == msvc (
     choco install zip
     bash ./build-scripts/build-windows %1 %2
 ) else (
-    @rem The vs2017-win2016 pool has an ancient 64-bit-only mingw.
-    @rem Install msys2 so we can get current gcc toolchains.
-    choco install msys2
-    C:\tools\msys64\usr\bin\env.exe MSYSTEM=MINGW64 /bin/bash -l %CD%/build-scripts/build-windows %1 %2
+    if exist C:\msys64 (
+       set MSYS=C:\msys64
+    ) else (
+       choco install msys2
+       set MSYS=C:\tools\msys64
+    )
+    !MSYS!\usr\bin\env.exe MSYSTEM=MINGW64 /bin/bash -l %CD%/build-scripts/build-windows %1 %2
 )
-- 
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