busybox/scripts/trylink

#!/bin/sh

debug=false

try() {
    added="$1"
    shift
    $debug && echo "Trying: $* $added"
    "$@" $added >busybox.map 2>busybox_ld.err \
    && { rm busybox_ld.err; exit 0; }
}

try "" "$@"
try "-lm" "$@"
try "-lcrypt" "$@"
try "-Wl,--start-group -lcrypt -lm -Wl,--end-group" "$@"
# It failed. Let people see the error messages
cat busybox_ld.err
build system overhaul 2006-10-05 10:17:08 +00:00			`#!/bin/sh`

			`debug=false`

stop using bash'isms ('function') runtest: do not depend on busybox.links 2007-02-25 00:40:37 +00:00			`try() {`
build system overhaul 2006-10-05 10:17:08 +00:00			`added="$1"`
			`shift`
			`$debug && echo "Trying: $* $added"`
build system: produce link map. Rather useful when you are wondering why your busybox is much bigger that you hoped for. 2007-03-15 23:44:10 +00:00			`"$@" $added >busybox.map 2>busybox_ld.err \`
make clean deletes .kernelrelease now trylink deleted empty linker stderr on success 2007-03-18 21:45:21 +00:00			`&& { rm busybox_ld.err; exit 0; }`
build system overhaul 2006-10-05 10:17:08 +00:00			`}`

			`try "" "$@"`
			`try "-lm" "$@"`
			`try "-lcrypt" "$@"`
			`try "-Wl,--start-group -lcrypt -lm -Wl,--end-group" "$@"`
build system: produce link map. Rather useful when you are wondering why your busybox is much bigger that you hoped for. 2007-03-15 23:44:10 +00:00			`# It failed. Let people see the error messages`
			`cat busybox_ld.err`