Use ccache for packages built with cmake. * Makefile.in: New variable CMAKE_CCACHE_FLAGS. * src/armadillo.mk, src/cgal.mk, src/cmake.mk, src/cminpack, src/double-conversion.mk, src/eigen.mk, src/gdcm.mk, src/gl2ps.mk, src/hdf5.mk, src/lapack.mk, src/libical.mk, src/libproxy, src/llvm.mk, src/of-dicom.mk, src/openal.mk, src/opencv.mk, src/openexr.mk, src/openscenegraph.mk, src/physfs.mk, src/qhull.mk, src/qjson.mk, src/rapidjson.mk, src/suitesparse.mk, src/sundials-ida.mk, src/taglib.mk, src/vigra.mk, src/vmime.mk, src/vtk.mk, src/wt.mk: Add new variable to cmake flags. Harmonize indentation in files.

diff -ur qt-everywhere-opensource-src-4.8.7.orig/tools/linguist/shared/profileevaluator.cpp qt-everywhere-opensource-src-4.8.7/tools/linguist/shared/profileevaluator.cpp
--- qt-everywhere-opensource-src-4.8.7.orig/tools/linguist/shared/profileevaluator.cpp	2015-06-07 17:14:32.348070244 -0400
+++ qt-everywhere-opensource-src-4.8.7/tools/linguist/shared/profileevaluator.cpp	2015-06-07 17:16:43.792075123 -0400
@@ -65,7 +65,7 @@
 #include <unistd.h>
 #include <sys/utsname.h>
 #else
-#include <Windows.h>
+#include <windows.h>
 #endif
 #include <stdio.h>
 #include <stdlib.h>