Retry doxygen configure

.travis.yml

@@ -94,7 +94,7 @@ matrix:
         fi
         mkdir -p sphinx/doxygen ;
         doxygen libcopp.doxyfile;
-        ls -d sphinx/doxygen/* ;
+        du -sh sphinx/doxygen/* ;
         sphinx-build -b html -a -D breathe_projects.libcopp=doxygen/xml sphinx output;
         if [[ -e "output/doxygen/html" ]]; then
             rm -rf "output/doxygen/html";

docs/libcopp.doxyfile.in

@@ -820,10 +820,9 @@ RECURSIVE              = YES
 # Note that relative paths are relative to the directory from which doxygen is
 # run.
 
-EXCLUDE                = sphinx         \
-                         ../docs/sphinx \
-                         ../build       \
-                         ../build_for_doxygen
+EXCLUDE                = ../docs/sphinx \
+                         ../build \
+                         sphinx
 
 
 # The EXCLUDE_SYMLINKS tag can be used to select whether or not files or
@@ -857,21 +856,21 @@ EXCLUDE_SYMBOLS        =
 # that contain example code fragments that are included (see the \include
 # command).
 
-EXAMPLE_PATH           = 
+EXAMPLE_PATH           = ../sample
 
 # If the value of the EXAMPLE_PATH tag contains directories, you can use the
 # EXAMPLE_PATTERNS tag to specify one or more wildcard pattern (like *.cpp and
 # *.h) to filter out the source-files in the directories. If left blank all
 # files are included.
 
-EXAMPLE_PATTERNS       = 
+EXAMPLE_PATTERNS       = *.cpp
 
 # If the EXAMPLE_RECURSIVE tag is set to YES then subdirectories will be
 # searched for input files to be used with the \include or \dontinclude commands
 # irrespective of the value of the RECURSIVE tag.
 # The default value is: NO.
 
-EXAMPLE_RECURSIVE      = NO
+EXAMPLE_RECURSIVE      = YES
 
 # The IMAGE_PATH tag can be used to specify one or more files or directories
 # that contain images that are to be included in the documentation (see the