#2216: Add script for building external fmt

ci/deps/fmt.sh

@@ -0,0 +1,23 @@
+#!/usr/bin/env bash
+
+set -exo pipefail
+
+if test $# -lt 1
+then
+    echo "usage: ./$0 <fmt-version> <make_flags>"
+    exit 1
+fi
+
+fmt_version=$1
+
+base_dir=$(pwd)
+
+git clone https://github.com/fmtlib/fmt.git
+cd fmt
+git checkout ${fmt_version}
+mkdir build && cd build
+cmake .. -D FMT_TEST=OFF
+make ${make_flags}
+make install
+cd ${base_dir}
+rm -rf fmt