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-rw-r--r--libxcb/acinclude.m45
1 files changed, 5 insertions, 0 deletions
diff --git a/libxcb/acinclude.m4 b/libxcb/acinclude.m4
index bc981504c..ad24bc2e5 100644
--- a/libxcb/acinclude.m4
+++ b/libxcb/acinclude.m4
@@ -102,6 +102,11 @@ AC_ARG_WITH(
AC_MSG_WARN(
[Warning: no doxygen detected. Documentation will not be built])
fi])
+ AC_PATH_PROG(DOT, dot, no)
+ if test "$DOT" = "no"; then
+ AC_MSG_WARN([Warning: no dot detected. Documentation will not be built])
+ BUILD_DOCS="no"
+ fi
fi
AC_MSG_CHECKING([whether documentation is built])
AC_MSG_RESULT([${BUILD_DOCS}])