From a5739ea5f0cd7633527b5e5d3b16a9e3ade7149f Mon Sep 17 00:00:00 2001
From: Roelf-Jilling <r-j.wolthuis@live.com>
Date: Fri, 16 Nov 2018 15:21:56 +0100
Subject: [PATCH] Workaround: fallback to mscv link.exe

---
 appveyor.yml | 18 +++++++-----------
 1 file changed, 7 insertions(+), 11 deletions(-)

diff --git a/appveyor.yml b/appveyor.yml
index 2db7e82..0973d3f 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -32,7 +32,6 @@ matrix:
 
 cache:
   - C:\cmake-3.8.0-win32-x86
-  - C:\Tools\vcpkg
 
 install:
   - ps: |
@@ -43,15 +42,6 @@ install:
         }
         $env:PATH="C:\cmake-3.8.0-win32-x86\bin;$env:PATH"
       }
-      # Until vcpkg has been updated.
-      # Note: vcpkg can also be removed from "cache".
-      if ($env:USE_TOOLSET -eq "LLVM" -and
-          (Get-Content C:\Tools\vcpkg\toolsrc\VERSION.txt).Replace('.','').Trim('"') -lt 20181020
-      ) {
-        cd C:\Tools\vcpkg
-        git pull
-        cd "$env:APPVEYOR_BUILD_FOLDER"
-      }
 
 before_build:
   - ps: |
@@ -67,8 +57,14 @@ before_build:
       }
       echo generator="$env:generator"
       if ($env:USE_TOOLSET -eq "LLVM") {
+          $LINKER = "lld-link"
+          # Workaround for lld bug with vcpkg integration
+          if ((Get-Content C:\Tools\vcpkg\toolsrc\VERSION.txt).Replace('.','').Trim('"') -lt 20181020) {
+              $LINKER = "link" # MSVC-linker
+          } else { echo "==> vcpkg has been updated, please remove the workaround from appvayor.yml." }
+          # /Workaround
           clang-cl --version
-          cmake .. -G "$env:generator" -T llvm -DGSL_CXX_STANDARD="$env:GSL_CXX_STANDARD" -DCMAKE_CXX_COMPILER=clang-cl  -DCMAKE_LINKER=lld-link
+          cmake .. -G "$env:generator" -T llvm -DGSL_CXX_STANDARD="$env:GSL_CXX_STANDARD" -DCMAKE_CXX_COMPILER=clang-cl  -DCMAKE_LINKER=$LINKER
       }
       else {
           cmake .. -G "$env:generator" -DGSL_CXX_STANDARD="$env:GSL_CXX_STANDARD"