doc: fix doxygen configuration to actually find evsql.h vol2: can haz…

… `git add ...`

doc/CMakeLists.txt

@@ -1,33 +1,35 @@
 # We need Doxygen
 find_package (Doxygen)
 
-# set our .dox path
+# path to .dox with general project info
 set (PROJECT_DOX_FILE "${CMAKE_CURRENT_SOURCE_DIR}/evsql.dox")
 
-# where to install doxygen output
+# source file/dirs to generate docs from
+set (PROJECT_DOC_SOURCES "${PROJECT_SOURCE_DIR}/src/include/evsql.h")
+
+# generate doxygen output under .../html
 set (PROJECT_DOXYGEN_DIR "${PROJECT_SOURCE_DIR}/doc")
 
 IF (DOXYGEN_FOUND)
+    # doxygen config path
+    set (DOXYGEN_CONFIG "${CMAKE_CURRENT_BINARY_DIR}/doxygen.conf")
+
     # doxygen.conf.in -> doxygen.conf
     configure_file (
         ${CMAKE_CURRENT_SOURCE_DIR}/doxygen.conf.in
-        ${CMAKE_CURRENT_BINARY_DIR}/doxygen.conf
+        ${DOXYGEN_CONFIG}
         @ONLY
     )
-
-    # set doxygen config path
-    set (DOXYGEN_CONFIG "${CMAKE_CURRENT_BINARY_DIR}/doxygen.conf")
 
     # add custom doc target
-    ADD_CUSTOM_TARGET(
-        doc 
+    ADD_CUSTOM_TARGET(doc
         ${DOXYGEN_EXECUTABLE} ${DOXYGEN_CONFIG}
     )
 
-    MESSAGE (STATUS "Doxygen: output will be installed in ${PROJECT_DOXYGEN_DIR}")
+    MESSAGE (STATUS "Doxygen: output will be generated in ${PROJECT_DOXYGEN_DIR}/html")
 
 ELSE (DOXYGEN_FOUND)
-    MESSAGE (STATUS "Doxygen: not found :(")    
+    MESSAGE (STATUS "Doxygen: install `doxygen` and rerun cmake to use `make doc`")
 
 ENDIF (DOXYGEN_FOUND)
 

doc/doxygen.conf.in

@@ -25,7 +25,7 @@ DOXYFILE_ENCODING      = UTF-8
 # The PROJECT_NAME tag is a single word (or a sequence of words surrounded 
 # by quotes) that should identify the project.
 
-PROJECT_NAME           = "@PROJECT_LONG_NAME@"
+PROJECT_NAME           = "@PROJECT_NAME@"
 
 # The PROJECT_NUMBER tag can be used to enter a project or revision number. 
 # This could be handy for archiving the generated documentation or 
@@ -534,7 +534,7 @@ WARN_LOGFILE           =
 # directories like "/usr/src/myproject". Separate the files or directories 
 # with spaces.
 
-INPUT                  = @PROJECT_DOX_FILE@ @PROJECT_SOURCECODE_DIR@
+INPUT                  = @PROJECT_DOX_FILE@ @PROJECT_DOC_SOURCES@
 
 # This tag can be used to specify the character encoding of the source files 
 # that doxygen parses. Internally doxygen uses the UTF-8 encoding, which is