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-rw-r--r--xorg-macros.m4.in18
1 files changed, 17 insertions, 1 deletions
diff --git a/xorg-macros.m4.in b/xorg-macros.m4.in
index b2f903e..20a0bd0 100644
--- a/xorg-macros.m4.in
+++ b/xorg-macros.m4.in
@@ -619,9 +619,10 @@ AM_CONDITIONAL([HAVE_ASCIIDOC], [test "$have_asciidoc" = yes])
]) # XORG_WITH_ASCIIDOC
# XORG_WITH_DOXYGEN([MIN-VERSION], [DEFAULT])
-# --------------------------------
+# -------------------------------------------
# Minimum version: 1.5.0
# Minimum version for optional DEFAULT argument: 1.11.0
+# Minimum version for optional DOT checking: 1.18.0
#
# Documentation tools are not always available on all platforms and sometimes
# not at the appropriate level. This macro enables a module to test for the
@@ -641,6 +642,7 @@ AM_CONDITIONAL([HAVE_ASCIIDOC], [test "$have_asciidoc" = yes])
#
AC_DEFUN([XORG_WITH_DOXYGEN],[
AC_ARG_VAR([DOXYGEN], [Path to doxygen command])
+AC_ARG_VAR([DOT], [Path to the dot graphics utility])
m4_define([_defopt], m4_default([$2], [auto]))
AC_ARG_WITH(doxygen,
AS_HELP_STRING([--with-doxygen],
@@ -684,6 +686,20 @@ m4_ifval([$1],
AC_MSG_ERROR([doxygen version $doxygen_version found, but $1 needed])
fi])
fi])
+
+dnl Check for DOT if we have doxygen. The caller decides if it is mandatory
+dnl HAVE_DOT is a variable that can be used in your doxygen.in config file:
+dnl HAVE_DOT = @HAVE_DOT@
+HAVE_DOT=no
+if test "x$have_doxygen" = "xyes"; then
+ AC_PATH_PROG([DOT], [dot])
+ if test "x$DOT" != "x"; then
+ HAVE_DOT=yes
+ fi
+fi
+
+AC_SUBST([HAVE_DOT])
+AM_CONDITIONAL([HAVE_DOT], [test "$HAVE_DOT" = "yes"])
AM_CONDITIONAL([HAVE_DOXYGEN], [test "$have_doxygen" = yes])
]) # XORG_WITH_DOXYGEN