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#! /bin/sh -e
# tup - A file-based build system
#
# Copyright (C) 2018-2024 Mike Shal <marfey@gmail.com>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 as
# published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
# Similar to t4190, but with a NULL buffer that should get allocated by libc.
. ./tup.sh
check_no_windows realpath
cat > Tupfile << HERE
: |> gcc foo.c -o %o |> foo
: foo |> ./foo |>
HERE
cat > foo.c << HERE
#include <stdio.h>
#include <limits.h>
#include <stdlib.h>
#include <fcntl.h>
int main(void)
{
int fd;
char *resolved_path;
resolved_path = realpath("link.txt", NULL);
if(resolved_path == NULL) {
perror("realpath");
return 1;
}
fd = open(resolved_path, O_RDONLY);
if(fd < 0) {
perror(resolved_path);
return 1;
}
return 0;
}
HERE
touch bar.txt
ln -s bar.txt link.txt
update
tup_dep_exist . bar.txt . './foo'
tup_dep_exist . link.txt . './foo'
eotup
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