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-rw-r--r--m4/docs_tool.m417
1 files changed, 17 insertions, 0 deletions
diff --git a/m4/docs_tool.m4 b/m4/docs_tool.m4
new file mode 100644
index 0000000000..3e8814ac8d
--- /dev/null
+++ b/m4/docs_tool.m4
@@ -0,0 +1,17 @@
+AC_DEFUN([AX_DOCS_TOOL_PROG], [
+dnl
+ AC_ARG_VAR([$1], [Path to $2 tool])
+ AC_PATH_PROG([$1], [$2])
+ AS_IF([! test -x "$ac_cv_path_$1"], [
+ AC_MSG_WARN([$2 is not available so some documentation won't be built])
+ ])
+])
+
+AC_DEFUN([AX_DOCS_TOOL_PROGS], [
+dnl
+ AC_ARG_VAR([$1], [Path to $2 tool])
+ AC_PATH_PROGS([$1], [$3])
+ AS_IF([! test -x "$ac_cv_path_$1"], [
+ AC_MSG_WARN([$2 is not available so some documentation won't be built])
+ ])
+])