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|
#!/bin/sh
############################################################
# Copyright (c) 2009-2010 by Aleksey Cheusov
#
# See LICENSE file in the distribution.
############################################################
set -e
LC_ALL=C
export LC_ALL
: ${CHECK_COMMON_SH_DIR:=@mkc_libexecdir@}
##################################################
# options
usage (){
cat <<EOF
mkc_check_header detects presense of header file
by compiling a test program.
Usage: mkc_check_header [OPTIONS] <headers>
OPTIONS:
-h display this screen
-d delete cache file
-e check for existance of header file (cc -E vs. cc -c)
Examples:
mkc_check_header stdint.h
mkc_check_header getopt.h
EOF
}
CC_OPTS='-c'
partpath='header'
msg_addon="using ${CC} -c"
while test $# -ne 0; do
case "$1" in
-h) usage; exit 0;;
-d) delcache=1;;
-e) partpath=hdr; CC_OPTS='-E'; msg_addon="using ${CC} -E";;
*) break;;
esac
shift
done
if test $# -eq 0; then
usage
exit 1
fi
##################################################
# initializing
pathpart="$partpath"_`echo "$1" | sed 's/^.*,//' | tr /. __`
. ${CHECK_COMMON_SH_DIR}/mkc_check_common.sh
##################################################
# test
check_itself (){
get_includes "$@" > "$tmpc"
cat >> "$tmpc" <<EOF
int __fake_variable;
EOF
if $CC $CC_OPTS -o "${tmpo}" $CPPFLAGS $CFLAGS "${tmpc}" 2>"${tmperr}"
then
echo 1
else
echo 0
fi
}
check_and_cache "checking $1 $msg_addon" "$cache" "$@"
##################################################
# clean-ups
cleanup
##################################################
# finishing
if test "$ret" -eq 1; then
printme 'yes\n' 1>&2
else
printme 'no\n' 1>&2
fi
echo $ret
|
