php-src/build/mkdep.awk
2006-01-01 12:51:34 +00:00

76 lines
2.2 KiB
Awk

# +----------------------------------------------------------------------+
# | PHP Version 5 |
# +----------------------------------------------------------------------+
# | Copyright (c) 2000-2006 The PHP Group |
# +----------------------------------------------------------------------+
# | This source file is subject to version 3.01 of the PHP license, |
# | that is bundled with this package in the file LICENSE, and is |
# | available through the world-wide-web at the following url: |
# | http://www.php.net/license/3_01.txt |
# | If you did not receive a copy of the PHP license and are unable to |
# | obtain it through the world-wide-web, please send a note to |
# | license@php.net so we can mail you a copy immediately. |
# +----------------------------------------------------------------------+
# | Author: Sascha Schumann <sascha@schumann.cx> |
# +----------------------------------------------------------------------+
#
# $Id$
#
# Usage:
#
# echo top_srcdir top_builddir srcdir CPP [CPP-ARGS] filenames | \
# awk -f mkdep.awk > dependencies
{
top_srcdir=$1
top_builddir=$2
srcdir=$3
cmd=$4
for (i = 5; i <= NF; i++) {
if (match($i, "^-[A-Z]") == 0)
break;
cmd=cmd " " $i
}
dif=i-1
for (; i <= NF; i++)
filenames[i-dif]=$i
no_files=NF-dif
for(i = 1; i <= no_files; i++) {
if (system("test -r " filenames[i]) != 0)
continue
target=filenames[i]
sub(srcdir "/", "", target)
target2=target
sub("\.(c|cpp)$", ".lo", target);
sub("\.(c|cpp)$", ".slo", target2);
for (e in used)
delete used[e]
cmdx=cmd " " filenames[i]
done=0
while ((cmdx | getline) > 0) {
if (match($0, "^# [0-9]* \".*\.h\"") != 0) {
if (sub(top_srcdir, "$(top_srcdir)", $3) == 0)
sub(top_builddir, "$(top_builddir)", $3)
if (substr($3,2,1) != "/" && used[$3] != 1) {
if (done == 0)
printf(target " " target2 ":")
done=1
printf(" \\\n\t" substr($3,2,length($3)-2))
used[$3] = 1;
}
}
}
if (done == 1)
print "\n"
}
}