build-wolfssl: fix build with Visual Studio 2019

Closes https://github.com/curl/curl/pull/6033

diff --git a/projects/build-wolfssl.bat b/projects/build-wolfssl.bat
index 9a7d67b79fc5e965ca9ea2149c2335aa61174c19..ea077d1db49aa28644771bdb5e7f1d8ef66c61a6 100644 (file)
--- a/projects/build-wolfssl.bat
+++ b/projects/build-wolfssl.bat
@@ -82,6 +82,20 @@ rem ***************************************************************************
     ) else (
       set "VC_PATH=Microsoft Visual Studio\2017\Community\VC"
     )
+  ) else if /i "%~1" == "vc14.2" (
+    set VC_VER=14.2
+    set VC_DESC=VC14.2
+    set VC_TOOLSET=v142
+
+    rem Determine the VC14.2 path based on the installed edition in descending
+    rem order (Enterprise, then Professional and finally Community)
+    if exist "%PF%\Microsoft Visual Studio\2019\Enterprise\VC" (
+      set "VC_PATH=Microsoft Visual Studio\2019\Enterprise\VC"
+    ) else if exist "%PF%\Microsoft Visual Studio\2019\Professional\VC" (
+      set "VC_PATH=Microsoft Visual Studio\2019\Professional\VC"
+    ) else (
+      set "VC_PATH=Microsoft Visual Studio\2019\Community\VC"
+    )
   ) else if /i "%~1" == "x86" (
     set BUILD_PLATFORM=x86
   ) else if /i "%~1" == "x64" (
@@ -133,6 +147,7 @@ rem ***************************************************************************
     if "%VC_VER%" == "12.0" set VCVARS_PLATFORM=amd64
     if "%VC_VER%" == "14.0" set VCVARS_PLATFORM=amd64
     if "%VC_VER%" == "14.1" set VCVARS_PLATFORM=amd64
+    if "%VC_VER%" == "14.2" set VCVARS_PLATFORM=amd64
   )
 
 :start
@@ -141,6 +156,8 @@ rem ***************************************************************************
 
   if "%VC_VER%" == "14.1" (
     call "%PF%\%VC_PATH%\Auxiliary\Build\vcvarsall" %VCVARS_PLATFORM%
+  ) else if "%VC_VER%" == "14.2" (
+    call "%PF%\%VC_PATH%\Auxiliary\Build\vcvarsall" %VCVARS_PLATFORM%
   ) else (
     call "%PF%\%VC_PATH%\vcvarsall" %VCVARS_PLATFORM%
   )
@@ -308,6 +325,7 @@ rem ***************************************************************************
   echo vc12      - Use Visual Studio 2013
   echo vc14      - Use Visual Studio 2015
   echo vc14.1    - Use Visual Studio 2017
+  echo vc14.2    - Use Visual Studio 2019
   echo.
   echo Platform:
   echo.