reapack

commit 7b521042c393c183abc37408bff1159e4be2353c
parent 615e39fc554ebe0ebb19c57fae2526a8eeadd098
Author: cfillion <cfillion@users.noreply.github.com>
Date:   Thu, 30 Jun 2016 19:47:40 -0700

win32: prevent trying to build without VS's environment

so that running rake in vanilla cmd.exe won't reset tup builds because
of environement variable mismatch

Diffstat:
M
Rakefile
 | 
4
++++

1 file changed, 4 insertions(+), 0 deletions(-)
diff --git a/Rakefile b/Rakefile
@@ -11,6 +11,10 @@ task :build, [:variants] do |_, args|
   vars = Array(args[:variants]) + args.extras
   vars.reject &:empty?
 
+  if Gem.win_platform? && ENV['VCINSTALLDIR'].nil?
+    raise "VCINSTALLDIR is unset. Is this Developer Command Prompt for Visual Studio?"
+  end
+
   sh 'tup', *vars, :verbose => false
 end