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configure
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configure
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#! /bin/sh
#
# Copyright (c) 2014, 2015, 2016 Ingo Schwarze <schwarze@openbsd.org>
# Copyright (c) 2017, 2018 Kristaps Dzonsons <kristaps@bsd.lv>
# Copyright (c) 2022 Omar Polo <op@omarpolo.com>
#
# Permission to use, copy, modify, and distribute this software for any
# purpose with or without fee is hereby granted, provided that the above
# copyright notice and this permission notice appear in all copies.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
OCONFIGURE_VERSION="0.3.8"
MYMENU_VERSION="1.1"
#
# This script outputs two files: config.h and Makefile.configure.
# It tries to read from configure.local, which contains predefined
# values we won't autoconfigure.
#
# If you want to use configure with your project, have your GNUmakefile
# or BSDmakefile---whichever---try to import/include Makefile.configure
# at the beginning of the file.
#
# Like so (note no quotes, no period, etc.):
#
# include Makefile.configure
#
# If it exists, configure was run; otherwise, it wasn't.
#
# You'll probably want to change parts of this file. I've noted the
# parts that you'll probably change in the section documentation.
#
# See https://github.com/kristapsdz/oconfigure for more.
set -e
#----------------------------------------------------------------------
# Prepare for running: move aside previous configure runs.
# Output file descriptor usage:
# 1 (stdout): config.h or Makefile.configure
# 2 (stderr): original stderr, usually to the console
# 3: config.log
# You DO NOT want to change this.
#----------------------------------------------------------------------
[ -w config.log ] && mv config.log config.log.old
[ -w config.h ] && mv config.h config.h.old
exec 3> config.log
echo "config.log: writing..."
# GNU submake prints different output if invoked recursively, which
# messes up CC and CFLAGS detection. Pass --no-print-directory if
# we have a MAKELEVEL (GNU and FreeBSD make) and the argument is
# allowed.
MAKE_FLAGS=""
if [ -n "${MAKELEVEL}" ]; then
if [ "${MAKELEVEL}" -gt 0 ] ; then
MAKE_FLAGS="--no-print-directory"
echo "all:" | make ${MAKE_FLAGS} -sf - 2>/dev/null || MAKE_FLAGS=""
fi
fi
if [ -n "$MAKE_FLAGS" ]; then
echo "GNU submake detected: using --no-print-directory" 1>&2
echo "GNU submake detected: using --no-print-directory" 1>&3
fi
#----------------------------------------------------------------------
# Initialize all variables here such that nothing can leak in from the
# environment except for CC and CFLAGS, which we might have passed in.
#----------------------------------------------------------------------
CC=`printf "all:\\n\\t@echo \\\$(CC)\\n" | make ${MAKE_FLAGS} -sf -`
CFLAGS=`printf "all:\\n\\t@echo \\\$(CFLAGS)\\n" | make ${MAKE_FLAGS} -sf -`
CFLAGS="${CFLAGS} -g -W -Wall -Wextra -Wmissing-prototypes -Wstrict-prototypes"
CFLAGS="${CFLAGS} -Wno-unused-parameter -Wno-pointer-sign"
LDADD=
LDADD_LIB_SOCKET=
LDADD_STATIC=
LDADD_LIB_X11=
CPPFLAGS=
LDFLAGS=
DESTDIR=
PREFIX="/usr/local"
BINDIR=
SBINDIR=
INCLUDEDIR=
LIBDIR=
MANDIR=
SHAREDIR=
INSTALL="install"
INSTALL_PROGRAM=
INSTALL_LIB=
INSTALL_MAN=
INSTALL_DATA=
# compats needed
COBJ=
# SunOS sets "cc", but this doesn't exist.
# It does have gcc, so try that instead.
# Prefer clang, though.
command -v ${CC} 2>/dev/null 1>&2 || {
echo "${CC} not found: trying clang" 1>&2
echo "${CC} not found: trying clang" 1>&3
CC=clang
command -v ${CC} 2>/dev/null 1>&2 || {
echo "${CC} not found: trying gcc" 1>&2
echo "${CC} not found: trying gcc" 1>&3
CC=gcc
command -v ${CC} 2>/dev/null 1>&2 || {
echo "gcc not found: giving up" 1>&2
echo "gcc not found: giving up" 1>&3
exit 1
}
}
}
command -v pkg-config 2>/dev/null 1>&2 && {
echo "pkg-config: found" 1>&2
echo "pkg-config: found" 1>&3
if extra="$(pkg-config --cflags x11 xinerama xft || true)"; then
echo "Adding to CFLAGS: $extra (pkg-config)"
CFLAGS="$extra ${CFLAGS}"
fi
if extra="$(pkg-config --libs x11 xinerama xft || true)"; then
echo "Adding to LDFLAGS: $extra (pkg-config)"
LDFLAGS="$extra ${LDFLAGS}"
fi
} || {
echo "pkg-config: not found" 1>&2
echo "pkg-config: not found" 1>&3
}
#----------------------------------------------------------------------
# Allow certain variables to be overriden on the command line.
#----------------------------------------------------------------------
for keyvals in "$@"
do
key=`echo $keyvals | cut -s -d '=' -f 1`
if [ -z "$key" ]
then
echo "$0: invalid key-value: $keyvals" 1>&2
exit 1
fi
val=`echo $keyvals | cut -d '=' -f 2-`
case "$key" in
LDADD)
LDADD="$val" ;;
LDFLAGS)
LDFLAGS="$val" ;;
CPPFLAGS)
CPPFLAGS="$val" ;;
DESTDIR)
DESTDIR="$val" ;;
PREFIX)
PREFIX="$val" ;;
MANDIR)
MANDIR="$val" ;;
LIBDIR)
LIBDIR="$val" ;;
BINDIR)
BINDIR="$val" ;;
SHAREDIR)
SHAREDIR="$val" ;;
SBINDIR)
SBINDIR="$val" ;;
INCLUDEDIR)
INCLUDEDIR="$val" ;;
*)
echo "$0: invalid key: $key" 1>&2
exit 1
esac
done
#----------------------------------------------------------------------
# These are the values that will be pushed into config.h after we test
# for whether they're supported or not.
# Each of these must have a runtest(), below.
# Please sort by alpha, for clarity.
# You WANT to change this.
#----------------------------------------------------------------------
HAVE_CAPSICUM=
HAVE_ERR=
HAVE_GETEXECNAME=
HAVE_GETPROGNAME=
HAVE_LANDLOCK=
HAVE_PLEDGE=
HAVE_PROGRAM_INVOCATION_SHORT_NAME=
HAVE_REALLOCARRAY=
HAVE_RECALLOCARRAY=
HAVE_STRTONUM=
HAVE___PROGNAME=
#----------------------------------------------------------------------
# Allow configure.local to override all variables, default settings,
# command-line arguments, and tested features, above.
# You PROBABLY DO NOT want to change this.
#----------------------------------------------------------------------
if [ -r ./configure.local ]; then
echo "configure.local: reading..." 1>&2
echo "configure.local: reading..." 1>&3
cat ./configure.local 1>&3
. ./configure.local
else
echo "configure.local: no (fully automatic configuration)" 1>&2
echo "configure.local: no (fully automatic configuration)" 1>&3
fi
echo 1>&3
#----------------------------------------------------------------------
# Infrastructure for running tests.
# These consists of a series of functions that will attempt to run the
# given test file and record its exit into a HAVE_xxx variable.
# You DO NOT want to change this.
#----------------------------------------------------------------------
COMP="${CC} ${CFLAGS} ${CPPFLAGS} -Wno-unused -Werror"
# Check whether this HAVE_ setting is manually overridden.
# If yes, use the override, if no, do not decide anything yet.
# Arguments: lower-case test name, manual value
ismanual() {
[ -z "${3}" ] && return 1
echo "${1}: manual (HAVE_${2}=${3})" 1>&2
echo "${1}: manual (HAVE_${2}=${3})" 1>&3
echo 1>&3
return 0
}
# Run a single autoconfiguration test.
# In case of success, enable the feature.
# In case of failure, do not decide anything yet.
# Arguments: lower-case test name, upper-case test name, additional
# CFLAGS, additional LIBS.
singletest() {
extralib=""
cat 1>&3 << __HEREDOC__
${1}: testing...
${COMP} ${3} -o test-${1} test-${1}.c ${LDFLAGS} ${4}
__HEREDOC__
if ${COMP} ${3} -o "test-${1}" test-${1}.c ${LDFLAGS} ${4} 1>&3 2>&3; then
echo "${1}: ${CC} succeeded" 1>&3
else
if [ -n "${5}" ] ; then
echo "${1}: ${CC} failed with $? (retrying)" 1>&3
cat 1>&3 << __HEREDOC__
${1}: testing...
${COMP} ${3} -o test-${1} test-${1}.c ${LDFLAGS} ${5}
__HEREDOC__
if ${COMP} ${3} -o "test-${1}" test-${1}.c ${LDFLAGS} ${5} 1>&3 2>&3; then
echo "${1}: ${CC} succeeded" 1>&3
extralib="(with ${5})"
else
echo "${1}: ${CC} failed with $?" 1>&3
echo 1>&3
return 1
fi
else
echo "${1}: ${CC} failed with $?" 1>&3
echo 1>&3
return 1
fi
fi
if [ -n "${extralib}" ]
then
eval "LDADD_${2}=\"${5}\""
elif [ -n "${4}" ]
then
eval "LDADD_${2}=\"${4}\""
fi
echo "${1}: yes ${extralib}" 1>&2
echo "${1}: yes ${extralib}" 1>&3
echo 1>&3
eval HAVE_${2}=1
rm "test-${1}"
return 0
}
# Run a complete autoconfiguration test, including the check for
# a manual override and disabling the feature on failure.
# Arguments: lower case name, upper case name, additional CFLAGS,
# additional LDADD, alternative LDADD.
runtest() {
eval _manual=\${HAVE_${2}}
ismanual "${1}" "${2}" "${_manual}" && return 0
singletest "${1}" "${2}" "${3}" "${4}" "${5}" && return 0
echo "${1}: no" 1>&2
eval HAVE_${2}=0
return 1
}
#----------------------------------------------------------------------
# Begin running the tests themselves.
# All of your tests must be defined here.
# Please sort as the HAVE_xxxx values were defined.
# You WANT to change this.
# It consists of the following columns:
# runtest
# (1) test file
# (2) macro to set
# (3) argument to cc *before* -o
# (4) argument to cc *after*
# (5) alternative argument to cc *after*
#----------------------------------------------------------------------
runtest capsicum CAPSICUM || true
runtest err ERR || true
runtest getexecname GETEXECNAME || true
runtest getprogname GETPROGNAME || true
runtest landlock LANDLOCK || true
runtest lib_socket LIB_SOCKET "" "" "-lsocket -lnsl" || true
runtest pledge PLEDGE || true
runtest program_invocation_short_name PROGRAM_INVOCATION_SHORT_NAME || true
runtest reallocarray REALLOCARRAY || true
runtest recallocarray RECALLOCARRAY || true
runtest static STATIC "" "-static" || true
runtest strtonum STRTONUM || true
runtest x11 LIB_X11 "" "" "-lX11 -lXinerama -lXft" || true
runtest __progname __PROGNAME || true
if [ "${HAVE_LIB_X11}" -eq 0 ]; then
echo "FATAL: libx11 not found" 1>&2
echo "make sure to have libx11, libxinerama and libxft installed" 1>&2
echo "FATAL: libx11 not found" 1>&3
exit 1
fi
#----------------------------------------------------------------------
# Output writing: generate the config.h file.
# This file contains all of the HAVE_xxxx variables necessary for
# compiling your source.
# You must include "config.h" BEFORE any other variables.
# You WANT to change this.
#----------------------------------------------------------------------
exec > config.h
# Start with prologue.
cat << __HEREDOC__
#ifndef OCONFIGURE_CONFIG_H
#define OCONFIGURE_CONFIG_H
#ifdef __cplusplus
# error "Do not use C++: this is a C application."
#endif
#if !defined(__GNUC__) || (__GNUC__ < 4)
# define __attribute__(x)
#endif
#if defined(__linux__) || defined(__MINT__)
# define _GNU_SOURCE /* memmem, memrchr, setresuid... */
# define _DEFAULT_SOURCE /* le32toh, crypt, ... */
#endif
#if defined(__NetBSD__)
# define _OPENBSD_SOURCE /* reallocarray, etc. */
#endif
#if defined(__sun)
# ifndef _XOPEN_SOURCE /* SunOS already defines */
# define _XOPEN_SOURCE /* XPGx */
# endif
# define _XOPEN_SOURCE_EXTENDED 1 /* XPG4v2 */
# ifndef __EXTENSIONS__ /* SunOS already defines */
# define __EXTENSIONS__ /* reallocarray, etc. */
# endif
#endif
#if !defined(__BEGIN_DECLS)
# define __BEGIN_DECLS
#endif
#if !defined(__END_DECLS)
# define __END_DECLS
#endif
__HEREDOC__
# This is just for size_t, mode_t, and dev_t.
# Most of these functions, in the real world, pull in <string.h> or
# someting that pulls in support for size_t.
# Our function declarations are standalone, so specify them here.
if [ ${HAVE_REALLOCARRAY} -eq 0 -o \
${HAVE_RECALLOCARRAY} -eq 0 ]
then
echo "#include <sys/types.h> /* size_t, mode_t, dev_t */ "
echo
fi
if [ ${HAVE_ERR} -eq 0 ]
then
echo "#include <stdarg.h> /* err(3) */"
echo
fi
# Now we handle our HAVE_xxxx values.
# Most will just be defined as 0 or 1.
cat << __HEREDOC__
/*
* Results of configuration feature-testing.
*/
#define HAVE_CAPSICUM ${HAVE_CAPSICUM}
#define HAVE_ERR ${HAVE_ERR}
#define HAVE_GETEXECNAME ${HAVE_GETEXECNAME}
#define HAVE_GETPROGNAME ${HAVE_GETPROGNAME}
#define HAVE_LANDLOCK ${HAVE_LANDLOCK}
#define HAVE_PLEDGE ${HAVE_PLEDGE}
#define HAVE_PROGRAM_INVOCATION_SHORT_NAME ${HAVE_PROGRAM_INVOCATION_SHORT_NAME}
#define HAVE_REALLOCARRAY ${HAVE_REALLOCARRAY}
#define HAVE_RECALLOCARRAY ${HAVE_RECALLOCARRAY}
#define HAVE_STRTONUM ${HAVE_STRTONUM}
#define HAVE___PROGNAME ${HAVE___PROGNAME}
__HEREDOC__
# Now we do our function declarations for missing functions.
[ ${HAVE_ERR} -eq 0 ] && \
COBJ="compat_err.c ${COBJ}" && \
cat << __HEREDOC__
/*
* Compatibility functions for err(3).
*/
extern void err(int, const char *, ...) __attribute__((noreturn));
extern void errc(int, int, const char *, ...) __attribute__((noreturn));
extern void errx(int, const char *, ...) __attribute__((noreturn));
extern void verr(int, const char *, va_list) __attribute__((noreturn));
extern void verrc(int, int, const char *, va_list) __attribute__((noreturn));
extern void verrx(int, const char *, va_list) __attribute__((noreturn));
extern void warn(const char *, ...);
extern void warnx(const char *, ...);
extern void warnc(int, const char *, ...);
extern void vwarn(const char *, va_list);
extern void vwarnc(int, const char *, va_list);
extern void vwarnx(const char *, va_list);
__HEREDOC__
[ ${HAVE_GETPROGNAME} -eq 0 ] && \
COBJ="compat_getprogname.c ${COBJ}" && \
cat << __HEREDOC__
/*
* Compatibility for getprogname(3).
*/
extern const char *getprogname(void);
__HEREDOC__
[ ${HAVE_REALLOCARRAY} -eq 0 ] && \
COBJ="compat_reallocarray.c ${COBJ}" && \
cat << __HEREDOC__
/*
* Compatibility for reallocarray(3).
*/
extern void *reallocarray(void *, size_t, size_t);
__HEREDOC__
[ ${HAVE_RECALLOCARRAY} -eq 0 ] && \
COBJ="compat_recallocarray.c ${COBJ}" && \
cat << __HEREDOC__
/*
* Compatibility for recallocarray(3).
*/
extern void *recallocarray(void *, size_t, size_t, size_t);
__HEREDOC__
[ ${HAVE_STRTONUM} -eq 0 ] && \
COBJ="compat_strtonum.c ${COBJ}" && \
cat << __HEREDOC__
/*
* Compatibility for strotnum(3).
*/
extern long long strtonum(const char *, long long, long long, const char **);
__HEREDOC__
cat <<__HEREDOC__
/*
* mymenu version
*/
#define VERSION "${MYMENU_VERSION}"
__HEREDOC__
cat << __HEREDOC__
#endif /*!OCONFIGURE_CONFIG_H*/
__HEREDOC__
echo "config.h: written" 1>&2
echo "config.h: written" 1>&3
#----------------------------------------------------------------------
# Now we go to generate our Makefile.configure.
# This file is simply a bunch of Makefile variables.
# They'll work in both GNUmakefile and BSDmakefile.
# You MIGHT want to change this.
#----------------------------------------------------------------------
exec > Makefile.configure
[ -z "${BINDIR}" ] && BINDIR="${PREFIX}/bin"
[ -z "${SBINDIR}" ] && SBINDIR="${PREFIX}/sbin"
[ -z "${INCLUDEDIR}" ] && INCLUDEDIR="${PREFIX}/include"
[ -z "${LIBDIR}" ] && LIBDIR="${PREFIX}/lib"
[ -z "${MANDIR}" ] && MANDIR="${PREFIX}/man"
[ -z "${SHAREDIR}" ] && SHAREDIR="${PREFIX}/share"
[ -z "${INSTALL_PROGRAM}" ] && INSTALL_PROGRAM="${INSTALL} -m 0555"
[ -z "${INSTALL_LIB}" ] && INSTALL_LIB="${INSTALL} -m 0444"
[ -z "${INSTALL_MAN}" ] && INSTALL_MAN="${INSTALL} -m 0444"
[ -z "${INSTALL_DATA}" ] && INSTALL_DATA="${INSTALL} -m 0444"
cat << __HEREDOC__
VERSION = ${MYMENU_VERSION}
CC = ${CC}
CFLAGS = ${CFLAGS}
CPPFLAGS = ${CPPFLAGS}
LDADD = ${LDADD}
LDADD_LIB_SOCKET = ${LDADD_LIB_SOCKET}
LDADD_STATIC = ${LDADD_STATIC}
LDADD_LIB_X11 = ${LDADD_LIB_X11}
LDFLAGS = ${LDFLAGS}
STATIC = ${STATIC}
PREFIX = ${PREFIX}
BINDIR = ${BINDIR}
SHAREDIR = ${SHAREDIR}
SBINDIR = ${SBINDIR}
INCLUDEDIR = ${INCLUDEDIR}
LIBDIR = ${LIBDIR}
MANDIR = ${MANDIR}
INSTALL = ${INSTALL}
INSTALL_PROGRAM = ${INSTALL_PROGRAM}
INSTALL_LIB = ${INSTALL_LIB}
INSTALL_MAN = ${INSTALL_MAN}
INSTALL_DATA = ${INSTALL_DATA}
COBJ = ${COBJ}
__HEREDOC__
echo "Makefile.configure: written" 1>&2
echo "Makefile.configure: written" 1>&3
exit 0