Probe for `curl` when configuring

diff --git a/configure b/configure
index 0286fb103b8e6050f3a1e5f34e4c906c6eaad4a1..cbb7d56e813ba65b285a73e4eb8851cd51452b20 100755 (executable)
--- a/configure
+++ b/configure
@@ -264,6 +264,7 @@ need_cmd sed
 need_cmd file
 need_cmd cmake
 need_cmd pkg-config
+need_cmd curl
 
 CFG_SRC_DIR="$(cd $(dirname $0) && pwd)/"
 CFG_BUILD_DIR="$(pwd)/"