autoconf: add file missing from 26123:f6d5b3bf74a8

This file was in 26123:f6d5b3bf74a8 as submitted but I failed to add it.

Committed-by: Ian Jackson <ian.jackson@eu.citrix.com>

diff --git a/tools/m4/fetcher.m4 b/tools/m4/fetcher.m4
new file mode 100644 (file)
index 0000000..86f33b3
--- /dev/null
+++ b/tools/m4/fetcher.m4
@@ -0,0 +1,14 @@
+AC_DEFUN([AX_CHECK_FETCHER], [
+AC_PATH_PROG([WGET],[wget], [no])
+AS_IF([test x"$WGET" != x"no"], [
+    FETCHER="$WGET -c -O"
+], [
+    AC_PATH_PROG([FTP],[ftp], [no])
+    AS_IF([test x"$FTP" != x"no"], [
+        FETCHER="$FTP -o"
+    ], [
+        AC_MSG_ERROR([cannot find wget or ftp])
+    ])
+])
+AC_SUBST(FETCHER)
+])