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-rw-r--r--acinclude.m42
1 files changed, 2 insertions, 0 deletions
diff --git a/acinclude.m4 b/acinclude.m4
index a2d0b3030..196937089 100644
--- a/acinclude.m4
+++ b/acinclude.m4
@@ -2,6 +2,8 @@ dnl -*- mode: autoconf -*-
# serial 1
+m4_pattern_forbid([_CAIRO])
+
dnl Usage:
dnl GTK_DOC_CHECK([minimum-gtk-doc-version])
AC_DEFUN([GTK_DOC_CHECK],