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git-svn-id: svn+ssh://svn.enlightenment.org/var/svn/e/trunk/edje@37141 7cbeb6ba-43b4-40fd-8cce-4c39aea84d33

diff --git a/m4/efl_doxygen.m4 b/m4/efl_doxygen.m4
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+dnl Copyright (C) 2008 Vincent Torri <vtorri at univ-evry dot fr>
+dnl That code is public domain and can be freely used or copied.
+
+dnl Macro that check if doxygen is available or not.
+
+dnl EFL_CHECK_DOXYGEN([ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]])
+dnl Test for the doxygen program
+dnl Defines DOXYGEN
+dnl Defines the automake conditionnal EFL_BUILD_DOC
+dnl
+AC_DEFUN([EFL_CHECK_DOXYGEN],
+[
+
+DOXYGEN="doxygen"
+
+dnl
+dnl Disable the build of the documentation
+dnl
+AC_ARG_ENABLE([doc],
+   AC_HELP_STRING(
+      [--disable-doc],
+      [Disable the build of the documentation]),
+   [if test "${disable_doc}" = "yes" ; then
+       enable_doc="no"
+    else
+       enable_doc="yes"
+    fi],
+   [enable_doc="yes"]
+)
+
+dnl
+dnl Specify the full file name, with path
+dnl
+AC_ARG_WITH([doxygen],
+   AC_HELP_STRING(
+      [--with-doxygen=FILE],
+      [doxygen program to use @<:@default=doxygen@:>@]),
+   dnl
+   dnl Check the given doxygen program.
+   dnl
+   [DOXYGEN=${withval}
+    AC_CHECK_PROG([BUILD_DOCS],
+       [${DOXYGEN}],
+       [yes],
+       [no])
+    if test "x${BUILD_DOCS}" = "xno" ; then
+       echo "WARNING:"
+       echo "The doxygen program you specified:"
+       echo "$DOXYGEN"
+       echo "was not found.  Please check the path and make sure "
+       echo "the program exists and is executable."
+       AC_MSG_WARN([Warning: no doxygen detected. Documentation will not be built])
+    fi
+   ],
+   [AC_CHECK_PROG([BUILD_DOCS],
+       [${DOXYGEN}],
+       [yes],
+       [no])
+    if test "x${BUILD_DOCS}" = "xno" ; then
+       echo "WARNING:"
+       echo "The doxygen program was not found in your execute"
+       echo "You may have doxygen installed somewhere not covered by your path."
+       echo ""
+       echo "If this is the case make sure you have the packages installed, AND"
+       echo "that the doxygen program is in your execute path (see your"
+       echo "shell manual page on setting the \$PATH environment variable), OR"
+       echo "alternatively, specify the program to use with --with-doxygen."
+       AC_MSG_WARN([Warning: no doxygen detected. Documentation will not be built])
+    fi
+   ]
+)
+
+dnl
+dnl Substitution
+dnl
+AC_SUBST([DOXYGEN])
+
+AM_CONDITIONAL(EFL_BUILD_DOC, test "x${BUILD_DOCS}" = "xyes")
+
+if test "x${BUILD_DOCS}" = "xyes" ; then
+  ifelse([$1], , :, [$1])
+else
+  ifelse([$2], , :, [$2])
+fi
+
+])
+
+dnl End of doxygen.m4