Use luajit binary for luarocks

.travis.yml

@@ -35,6 +35,11 @@ before_install:
   - SILENT .travis/build_nfft3.sh
 #  - SILENT .travis/build_nlopt2.sh
 
+# For coverage:
+  - SILENT .travis/build_luarocks.sh
+  - SILENT luarocks install luacov
+  - SILENT luarocks install luacov-coveralls
+
 # Build MAD:
 install:
   - cd src
@@ -45,11 +50,6 @@ install:
   - mkdir -p $PREFIX/bin
   - ln -s $(readlink -f ./src/mad) $PREFIX/bin
 
-  # These should be before_install, but we can't install them until we have 'mad':
-  - SILENT .travis/build_luarocks.sh
-  - SILENT luarocks install luacov
-  - SILENT luarocks install luacov-coveralls
-
 # Run tests:
 script:
   - cd tests/utests

.travis/build_luarocks.sh

@@ -14,8 +14,9 @@ tar -xzf $LUAROCKS.tar.gz
 # build
 cd $LUAROCKS
 ./configure --prefix=${PREFIX-$MAD_ROOT/install} \
-            --with-lua-bin=$MAD_ROOT/.travis \
+            --with-lua-bin=$LUA_ROOT/bin \
             --with-lua-include=$LUA_ROOT/include/luajit-2.1 \
-            --with-lua=$LUA_ROOT
+            --with-lua=$LUA_ROOT \
+            --lua-suffix=jit
 make build
 make install