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#!/usr/bin/env bash
# Copyright 2009 The Go Authors. All rights reserved.
# Use of this source code is governed by a BSD-style
# license that can be found in the LICENSE file.
eval $(gomake --no-print-directory -f ../Make.inc go-env)
OUT="Make.deps"
TMP="Make.deps.tmp"
if [ -f $OUT ] && ! [ -w $OUT ]; then
echo "$0: $OUT is read-only; aborting." 1>&2
exit 1
fi
# Get list of directories from Makefile
dirs=$(gomake --no-print-directory echo-dirs)
dirpat=$(echo $dirs C | awk '{
for(i=1;i<=NF;i++){
x=$i
gsub("/", "\\/", x)
printf("/^(%s)$/\n", x)
}
}')
for dir in $dirs; do (
cd $dir || exit 1
sources=$(sed -n 's/^[ ]*\([^ ]*\.go\)[ ]*\\*[ ]*$/\1/p' Makefile)
sources=$(echo $sources | sed 's/\$(GOOS)/'$GOOS'/g')
sources=$(echo $sources | sed 's/\$(GOARCH)/'$GOARCH'/g')
# /dev/null here means we get an empty dependency list if $sources is empty
# instead of listing every file in the directory.
sources=$(ls $sources /dev/null 2> /dev/null) # remove .s, .c, etc.
deps=$(
sed -n '/^import.*"/p; /^import[ \t]*(/,/^)/p' $sources /dev/null |
cut -d '"' -f2 |
awk "$dirpat" |
grep -v "^$dir\$" |
sed 's/$/.install/' |
sed 's;^C\.install;runtime/cgo.install;' |
sort -u
)
echo $dir.install: $deps
) done > $TMP
mv $TMP $OUT
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