132 lines
No EOL
1.5 KiB
Text
132 lines
No EOL
1.5 KiB
Text
To be able to do a hosted GCC cross-compiler/system-specific cross-compiler
|
|
===========================================================================
|
|
/* NB: functions don't *need* to be implemented, just prototyped */
|
|
sys/types.h: pid_t
|
|
errno.h: must exist
|
|
stdlib.h: abort(), atexit(), atoi(), free(), getenv(), malloc()
|
|
stdio.h: FILE, stderr, size_t, SEEK_SET, fflush(), fclose(), fopen(), fread(),
|
|
fseek(), ftell(), fwrite(), setbuf(), fprintf(), vfprintf()
|
|
string.h: size_t, memcpy(), memset(), strcpy(), strlen()
|
|
time.h: must exist
|
|
unistd.h: pid_t, fork(), execv(), execve(), execvp()
|
|
|
|
/* NB: This list is ordered. i.e. cat needs stuff from asa to work! */
|
|
|
|
For sh
|
|
======
|
|
|
|
stdio.h
|
|
*******
|
|
fgets()
|
|
|
|
stdlib.h
|
|
********
|
|
exit()
|
|
free()
|
|
calloc()
|
|
|
|
unistd.h
|
|
********
|
|
chdir()
|
|
fork()
|
|
execvp()
|
|
getcwd()
|
|
|
|
sys/wait.h
|
|
**********
|
|
waitpid()
|
|
|
|
signal.h
|
|
********
|
|
signal()
|
|
SIG_DFL
|
|
SIG_IGN
|
|
|
|
For asa
|
|
=======
|
|
|
|
stdio.h
|
|
*******
|
|
fprintf()
|
|
fgetc()
|
|
fopen()
|
|
fclose()
|
|
|
|
For cal
|
|
=======
|
|
|
|
stdio.h
|
|
*******
|
|
fileno()
|
|
|
|
unistd.h
|
|
********
|
|
isatty()
|
|
|
|
For cat
|
|
=======
|
|
|
|
unistd.h
|
|
********
|
|
write()
|
|
|
|
For cksum
|
|
=========
|
|
|
|
stdio.h
|
|
*******
|
|
fseek()
|
|
SEEK_SET
|
|
|
|
For expand
|
|
==========
|
|
|
|
stdlib.h
|
|
********
|
|
malloc() (if not already implemented for calloc)
|
|
|
|
For link
|
|
========
|
|
|
|
unistd.h
|
|
********
|
|
link()
|
|
|
|
For ln
|
|
======
|
|
|
|
unistd.h
|
|
********
|
|
access()
|
|
unlink()
|
|
symlink()
|
|
|
|
fcntl.h
|
|
*******
|
|
AT_SYMLINK_FOLLOW
|
|
linkat()
|
|
AT_FDCWD
|
|
|
|
sys/stat.h
|
|
**********
|
|
struct stat
|
|
lstat()
|
|
S_ISLNK
|
|
|
|
string.h
|
|
********
|
|
strcpy()
|
|
|
|
For pwd
|
|
=======
|
|
|
|
stdlib.h
|
|
********
|
|
getenv();
|
|
|
|
For tty
|
|
=======
|
|
|
|
unistd.h
|
|
********
|
|
ttyname() |