pgf-shell: enable -rtsopts, call performGC between commands

This is to make it easier to find the cause of space leaks.

1 files changed, 2 insertions, 0 deletions

diff --git a/gf.cabal b/gf.cabal
index 5824aaed2..dd74aaf92 100644
--- a/gf.cabal
+++ b/gf.cabal
@@ -255,6 +255,8 @@ executable pgf-shell
   hs-source-dirs:      src/runtime/haskell-bind/examples
   build-depends:       gf, base
   default-language:    Haskell2010
+  if impl(ghc>=7.0)
+    ghc-options: -rtsopts
 
 test-suite rgl-tests
   type:           exitcode-stdio-1.0