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Standard output reminder to run ./configure from make, suggested by
Paul Onyschuk <ptmelville at gmail dot com> (Alpine Linux)

#!/bin/sh
#
# Copyright (c) 2014 Ingo Schwarze <schwarze@openbsd.org>
#
# 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.

echo "/* RUNNING ./CONFIGURE - SHOULD BE USED ONLY VIA MAKE, READ INSTALL */"

set -e
exec > config.h 2> config.log

CFLAGS="${CFLAGS} -Wno-unused -Werror"

runtest() {
	echo ${CC} ${CFLAGS} -o test-${1} test-${1}.c 1>&2
	${CC} ${CFLAGS} -o "test-${1}" "test-${1}.c" 1>&2 || return 0
	"./test-${1}" && echo "#define HAVE_${2}" \
		|| echo FAILURE: test-${1} returned $? 1>&2
	rm "test-${1}"
}

cat config.h.pre
echo
echo "#define VERSION \"${VERSION}\""
runtest betoh64 BETOH64
runtest fgetln FGETLN
runtest getsubopt GETSUBOPT
runtest mmap MMAP
runtest reallocarray REALLOCARRAY
runtest strcasestr STRCASESTR
runtest strlcat STRLCAT
runtest strlcpy STRLCPY
runtest strptime STRPTIME
runtest strsep STRSEP
echo
cat config.h.post

exit 0