Merge pull request #65 from j-o/cppcheck_windows

Extend cppcheck find script with default installation paths on Windows

Author: Stefan Buschmann

cmake/Findcppcheck.cmake

@@ -5,11 +5,17 @@
 
 include(FindPackageHandleStandardArgs)
 
+# work around CMP0053, see http://public.kitware.com/pipermail/cmake/2014-November/059117.html
+set(PROGRAMFILES_x86_ENV "PROGRAMFILES(x86)")
+
 find_program(cppcheck_EXECUTABLE
     NAMES
         cppcheck
     PATHS
         "${CPPCHECK_DIR}"
+        "$ENV{CPPCHECK_DIR}"
+        "$ENV{PROGRAMFILES}/Cppcheck"
+        "$ENV{${PROGRAMFILES_x86_ENV}}/Cppcheck"
 )
 
 find_package_handle_standard_args(cppcheck
@@ -19,4 +25,4 @@ find_package_handle_standard_args(cppcheck
         cppcheck_EXECUTABLE
 )
 
-mark_as_advanced(cppcheck_EXECUTABLE)
+mark_as_advanced(cppcheck_EXECUTABLE)