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#!/usr/bin/env sh
# configure script for nytpu's implementation of ed(1), in POSIX shell
# It should be pretty generic though, with just slight modifications
#
# Copyright (c) 2021 nytpu <alex@nytpu.com>
# SPDX-License-Identifier: MIT
# For more license details, see LICENSE_MIT or <https://spdx.org/licenses/MIT.html>.
set -eu
add_cflags() {
echo "CFLAGS += $*"
}
add_ld() {
echo "LDLIBS += $*"
}
set_macro() {
add_cflags "-D'$1=\"$2\"'"
}
add_lib() {
${pkgconfig} --print-errors "$@"
add_cflags $(${pkgconfig} --cflags "$@")
for lib in "$@"; do add_ld $(${pkgconfig} --libs "$lib"); done
}
# save stdout and redirec to config.mk
exec >config.mk
pkgconfig=pkg-config
echo "# Configuration for makefile for nytpu's implementation of ed(1)"
echo "# This file was generated automatically by configure. Don't edit."
for opt in "$@"; 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/local]"
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 -pedantic -Wfatal-errors -std=c11 -O3 -Wno-missing-field-initializers -Wno-unused-parameter -Werror=return-type]"
echo " --ldflags=FLAGS command line options for the linker []"
echo " --pkgconfig=COMMAND command to run to configure packages [pkg-config]"
exit 0
;;
--prefix=*) echo "PREFIX = ${opt#*=}" ;;
--bindir=*) echo "BINDIR = ${opt#*=}" ;;
--mandir=*) echo "MANDIR = ${opt#*=}" ;;
--cc=*) echo "CC = ${opt#*=}" ;;
--cflags=*) echo "CFLAGS = ${opt#*=}" ;;
--ldflags=*) echo "LDFLAGS = ${opt#*=}" ;;
--pkg-config=*) pkgconfig=${opt#*=} ;;
*)
echo "warning: unsupported option ${opt}" >&2
exit 1
;;
esac
done
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