add configure script (currently pretty useless

1 files changed, 73 insertions, 0 deletions

diff --git a/configure b/configure
new file mode 100755
index 0000000..cb5add1
--- /dev/null
+++ b/configure
@@ -0,0 +1,73 @@
+#!/usr/bin/env sh
+# configure script for nytpu's implementation of ed(1)
+# It should be pretty generic though, with just slight modifications
+#
+# Copyright (C) 2021 nytpu <alex@nytpu.com>
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+# THE SOFTWARE.
+
+set -eu
+
+add_cflags() {
+	echo "CFLAGS += $*"
+}
+add_ld() {
+	echo "LDLIBS += $*"
+}
+
+set_macro() {
+	add_cflags "-D'$1=\"$2\"'"
+}
+
+add_lib() {
+	pkg-config --print-errors "$@"
+	cflags $(pkg-config --cflags "$@")
+	for lib in "$@"; do ldadd "$lib" $(pkg-config --libs "$lib"); done
+}
+
+# save stdout and redirec to config.mk
+exec >config.mk
+
+echo "# Configuration for makefile for nytpu's implementation of ed(1)"
+echo "# This file was generated automatically by configure. Don't edit."
+
+for opt in "$@"; do
+	case "${opt}" in
+		--help | -h)
+			exec 1>&2
+			echo "Usage: $0 [--OPTION]..."
+			echo
+			echo "Options and variables: [defaults in brackets]"
+			echo "  -h, --help       display this help text"
+			echo "  --prefix=DIR     install into DIR [/usr]"
+			echo "  --bindir=DIR     location to install executables [\$(PREFIX)/bin]"
+			echo "  --mandir=DIR     location to install man pages [\$(PREFIX)/share/man]"
+			echo "  --cc=COMPILER    command to invoke the C11 compiler [cc]"
+			echo "  --cflags=FLAGS   command line options for the C compiler [-Wall -Wextra -Wfatal-errors -Wno-missing-field-initializers -Wno-unused-parameter -std=c11 -O2]"
+			echo "  --ldflags=FLAGS  command line options for the linker []"
+			;;
+		--prefix=*) echo "PREFIX = ${opt#*=}" ;;
+		--bindir=*) echo "BINDIR = ${opt#*=}" ;;
+		--mandir=*) echo "MANDIR = ${opt#*=}" ;;
+		--cc=*) echo "CC = ${opt#*=}" ;;
+		--cflags=*) echo "CFLAGS = ${opt#*=}" ;;
+		--ldflags=*) echo "LDFLAGS = ${opt#*=}" ;;
+		*) echo "warning: unsupported option ${opt}" >&2 ;;
+	esac
+done