From f17f882b5e748c71d9365d8769711d8ff8af015f Mon Sep 17 00:00:00 2001
From: "C. McEnroe" <june@causal.agency>
Date: Thu, 29 Oct 2020 11:34:56 -0400
Subject: Rewrite compat and add configure script

---
 configure | 50 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 50 insertions(+)
 create mode 100755 configure

(limited to 'configure')

diff --git a/configure b/configure
new file mode 100755
index 0000000..ccea81d
--- /dev/null
+++ b/configure
@@ -0,0 +1,50 @@
+#!/bin/sh
+set -eu
+
+cflags() {
+	echo "CFLAGS += $*"
+}
+ldlibs() {
+	echo "LDLIBS ${o:-}= $*"
+	o=+
+}
+config() {
+	pkg-config --print-errors "$@"
+	cflags $(pkg-config --cflags "$@")
+	ldlibs $(pkg-config --libs "$@")
+}
+defstr() {
+	cflags "-D'$1=\"$2\"'"
+}
+defvar() {
+	defstr "$1" "$(pkg-config --variable=$3 $2)${4:-}"
+}
+
+exec >config.mk
+
+for opt; do
+	case "${opt}" in
+		(--prefix=*) echo "PREFIX = ${opt#*=}" ;;
+		(--mandir=*) echo "MANDIR = ${opt#*=}" ;;
+		(*) echo "warning: unsupported option ${opt}" >&2 ;;
+	esac
+done
+
+case "$(uname)" in
+	(FreeBSD)
+		config libtls
+		defstr DRILL_PATH /usr/bin/drill
+		;;
+	(OpenBSD)
+		ldlibs -ltls
+		defstr DIG_PATH /usr/bin/dig
+		;;
+	(Linux)
+		cflags -D_GNU_SOURCE -DDECLARE_RPP
+		config libtls
+		echo 'OBJS += compat.o'
+		;;
+	(*)
+		config libtls
+		;;
+esac
-- 
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