rename cu_enable_doxygen.m4

diff --git a/config/arg_with_doxygen.m4 b/config/arg_with_doxygen.m4
new file mode 100644 (file)
index 0000000..dccdd38
--- /dev/null
+++ b/config/arg_with_doxygen.m4
@@ -0,0 +1,56 @@
+##                        -*- Autoconf -*-
+
+AC_DEFUN(ARG_WITH_DOXYGEN,
+[AC_ARG_WITH(doxygen,
+AC_HELP_STRING([--enable-doxygen],
+               [enable documentation generation with doxygen (yes)]),
+[if test "x$withval" = xyes; then
+  with_doxygen=doxygen
+else
+  with_doxygen="${withval-doxygen}"
+fi], [with_doxygen=doxygen])
+AC_ARG_WITH(dot,
+AC_HELP_STRING([--enable-dot],[use 'dot' to generate graphs in doxygen (yes)]),
+[if test "x$withval" = xyes; then
+  with_dot=dot
+else
+  with_dot="${withval-dot}"
+fi],[with_dot=dot])
+AC_ARG_ENABLE(html-docs,
+AC_HELP_STRING([--enable-html-docs],[enable HTML generation with doxygen (yes)]),
+    [], [ enable_html_docs=yes])
+AC_ARG_ENABLE(latex-docs,
+AC_HELP_STRING([--enable-latex-docs],
+    [enable LaTeX documentation generation with doxygen (no)]),
+    [], [ enable_latex_docs=no])
+
+if test "x$with_doxygen" = xno; then
+  enable_doc=no
+else
+  AC_PATH_PROG(DOXYGEN, $with_doxygen, , $PATH)
+  if test x$DOXYGEN = x; then
+    AC_MSG_ERROR([could not find doxygen])
+    enable_doc=no
+  else
+    enable_doc=yes
+  fi
+fi
+
+AM_CONDITIONAL(DOC, test x$enable_doc = xyes)
+
+if test "x$with_dot" = xno; then
+  enable_dot=no
+else
+  AC_PATH_PROG(DOT, $with_dot,,$PATH)
+  if test x$DOT = x; then
+    AC_MSG_ERROR([could not find dot])
+    enable_dot=no
+  else
+    enable_dot=yes
+  fi
+fi
+
+AC_SUBST(enable_dot)
+AC_SUBST(enable_html_docs)
+AC_SUBST(enable_latex_docs)
+])