CMake shorter option name to build docs

Author: zbeekman

.travis.yml

@@ -12,7 +12,7 @@ env:
   matrix:
       # CMake build with unit tests, no documentation
       # Allow to fail for now until tests are fixed
-    - BUILD_SCRIPT="mkdir cmake-build && cd cmake-build && cmake -DROBODOC_SKIP_DOC_GEN:BOOL=TRUE .. && make -j 3 && (make test || true)"
+    - BUILD_SCRIPT="mkdir cmake-build && cd cmake-build && cmake -DSKIP_DOC_GEN:BOOL=TRUE .. && make -j 3 && (make test || true)"
       SPECIFIC_DEPENDS="cmake nodejs"
       JLINT="yes"
       DOCS="no"

CMakeLists.txt

@@ -120,9 +120,9 @@ set_target_properties ( test-${CMAKE_PROJECT_NAME} test-${CMAKE_PROJECT_NAME}-st
 #-------------------------------------
 # Build the documentation with ROBODoc
 #-------------------------------------
-set ( ROBODOC_SKIP_DOC_GEN FALSE CACHE BOOL
+set ( SKIP_DOC_GEN FALSE CACHE BOOL
   "Disable building the API documentation with ROBODoc" )
-if ( NOT ROBODOC_SKIP_DOC_GEN )
+if ( NOT SKIP_DOC_GEN )
   find_program ( ROBODOC robodoc )
   if ( ROBODOC ) # Found
     set ( ROBODOC_OPTIONS --rc ${CMAKE_SOURCE_DIR}/robodoc.rc --tabsize 4 --index --toc --sections --syntaxcolors --source_line_numbers
@@ -151,9 +151,9 @@ if ( NOT ROBODOC_SKIP_DOC_GEN )
       DEPENDS ${ROBODOC_OUTPUTS} )
   else ( ROBODOC ) # Not found
     message ( WARNING
-      "ROBODoc not found! Please set the CMake cache variable ROBODOC to point to the installed ROBODoc binary, and reconfigure or disable building the documentation. ROBODoc can be installed from: http://www.xs4all.nl/~rfsber/Robo/ If you do not wish to install ROBODoc and build the json-fortran documentation, then please set the CMake cache variable SKIP_DOCUMENTATION_GENERATION to FALSE." )
+      "ROBODoc not found! Please set the CMake cache variable ROBODOC to point to the installed ROBODoc binary, and reconfigure or disable building the documentation. ROBODoc can be installed from: http://www.xs4all.nl/~rfsber/Robo/ If you do not wish to install ROBODoc and build the json-fortran documentation, then please set the CMake cache variable SKIP_DOC_GEN to TRUE." )
   endif ( ROBODOC )
-endif ( NOT ROBODOC_SKIP_DOC_GEN )
+endif ( NOT SKIP_DOC_GEN )
 
 #---------------------------------------------------------------------
 # Add some tests to ensure that the software is performing as expected