3 files changed, 30 insertions, 1 deletions
diff --git a/.gitignore b/.gitignore
index e456bd1..d9bd66a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,3 @@
 /public/
 /tests/test-profiles/
+/Makefile
diff --git a/Makefile b/Makefile.in
index 4f9cb7c..09fd7c8 100644
--- a/Makefile
+++ b/Makefile.in
@@ -1,5 +1,5 @@
 .POSIX:
-PREFIX = /usr/local
+PREFIX = @PREFIX@
 MANPREFIX = $(PREFIX)/share/man
 VERSION = 0.1.2
 DATE = 2021-01-26
diff --git a/configure b/configure
new file mode 100755
index 0000000..a50278a
--- /dev/null
+++ b/configure
@@ -0,0 +1,28 @@
+#!/bin/sh
+set -eu
+
+# shellcheck disable=2068
+for f in $@; do
+	case "$f" in
+		--prefix)
+			shift
+			CLI_PREFIX="$1"
+			shift
+			;;
+		--prefix=*)
+			CLI_PREFIX="${f#--prefix=}"
+			shift
+			;;
+		*)
+			if [ -n "${1:-}" ]; then
+				shift
+			fi
+			;;
+	esac
+done
+
+PREFIX="${CLI_PREFIX:-/usr/local}"
+
+sed "s:@PREFIX@:$PREFIX:g" Makefile.in > Makefile
+
+echo Done. >&2