Only skip *.cpp files for doc generation on travis

ci/travis/linux/install.sh

@@ -15,7 +15,9 @@ cmake -DWITH_SERVER=ON \
       -DENABLE_PGTEST=ON \
       -DWITH_QWTPOLAR=OFF \
       -DWITH_APIDOC=ON \
+      -DDOXYGEN_FILE_PATTERN="*.h" \
       -DWITH_ASTYLE=ON \
       -DWITH_PYSPATIALITE=ON \
       -DGRASS_PREFIX7=/usr/lib/grass70 \
-      -DGRASS_INCLUDE_DIR7=/usr/lib/grass70/include ..
+      -DGRASS_INCLUDE_DIR7=/usr/lib/grass70/include \
+      ..

cmake_templates/Doxyfile.in

@@ -622,8 +622,7 @@ INPUT_ENCODING         = UTF-8
 # *.c *.cc *.cxx *.cpp *.c++ *.java *.ii *.ixx *.ipp *.i++ *.inl *.h *.hh *.hxx
 # *.hpp *.h++ *.idl *.odl *.cs *.php *.php3 *.inc *.m *.mm *.py *.f90
 
-FILE_PATTERNS          = *.h \
-                         *.dox
+FILE_PATTERNS          = @DOXYGEN_FILE_PATTERN@
 
 # The RECURSIVE tag can be used to turn specify whether or not subdirectories
 # should be searched for input files as well. Possible values are YES and NO.

doc/CMakeLists.txt

@@ -40,6 +40,7 @@ IF(WITH_APIDOC)
       SET(DOXYGEN_TAGS ${QT_TAG_FILE}=${QT_DOC_URL})
     ENDIF(QT_TAG_FILE)
 
+    SET (DOXYGEN_FILEPATTERN "*.cpp *.h *.dox" CACHE STRING "File pattern to be parsed by doxygen.")
     CONFIGURE_FILE(${CMAKE_SOURCE_DIR}/cmake_templates/Doxyfile.in ${CMAKE_CURRENT_BINARY_DIR}/Doxyfile @ONLY)
     ADD_CUSTOM_TARGET(apidoc ALL
             COMMAND ${DOXYGEN_EXECUTABLE} ${CMAKE_CURRENT_BINARY_DIR}/Doxyfile