On Sat, Nov 09, 2024 at 10:39:32PM -0500, Jeffrey Walton wrote:

On Sat, Nov 9, 2024 at 10:18 PM <peter@easthope.ca> wrote:

Retrieved utelnetd 0.1.11 from here. https://public.pengutronix.de/software/utelnetd/

Installed gcc and tried make.
# make DEBUG=1 -f ./Makefile
make: Nothing to be done for 'all'.
#

:-)

This is the "all" stanza in Makefile.

all: $(PROGS)

$(PROGS): $(OBJS)
$(CC) $(LDFLAGS) $(CFLAGS) $^ $(LDLIBS) -o $@
$(STRIP) --remove-section=.comment --remove-section=.note $@

Is the problem in all? Elsewhere?

My guess is $PROGS is empty. But it is only a guess since the message
is missing so much information.

Maybe add a $(info $(PROGS)) before the 'all' recipe to see:

$(info PROGS: $(PROGS))
all: $(PROGS)

Curious about "info" in the Makefile, I tired it.
And I learnt it is "print".


Back to the original

make: Nothing to be done for 'all'.

It means "Request allready executed", it is worded
as "Nothing to be done"


Do `make clean` and then `make DEBUG=1`.

Jeff

Groeten
Geert Stappers



<screenshot
note_1="Regular user, not root. Note the $, versus the # by original poster."
note_2="There is no need for `-f Makefile`."
note_3="Lines with `PROGS: utelnet` are artifact of `$(info PROGS: $(PROGS))`"

stappers@paddy:~/src/utelnetd-0.1.11
$ make clean
PROGS: utelnetd
rm -f utelnetd *.o core
stappers@paddy:~/src/utelnetd-0.1.11
$ make
PROGS: utelnetd
gcc -I. -pipe -DSHELLPATH=\"/bin/login\" -Wall -fomit-frame-pointer -c -o utelnetd.o utelnetd.c
utelnetd.c: In function 'getpty':
utelnetd.c:232:13: warning: implicit declaration of function 'grantpt'; did you mean 'getpt'? [-Wimplicit-function-declaration]
232 | if (grantpt(p)<0 || unlockpt(p)<0) {
| ^~~~~~~
| getpt
utelnetd.c:232:29: warning: implicit declaration of function 'unlockpt' [-Wimplicit-function-declaration]
232 | if (grantpt(p)<0 || unlockpt(p)<0) {
| ^~~~~~~~
utelnetd.c:238:35: warning: implicit declaration of function 'ptsname'; did you mean 'ptsname_r'? [-Wimplicit-function-declaration]
238 | strcpy(line, (const char*)ptsname(p));
| ^~~~~~~
| ptsname_r
utelnetd.c:238:22: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
238 | strcpy(line, (const char*)ptsname(p));
| ^
utelnetd.c: In function 'make_new_session':
utelnetd.c:264:17: warning: variable 't2' set but not used [-Wunused-but-set-variable]
264 | int t1, t2;
| ^~
utelnetd.c:264:13: warning: variable 't1' set but not used [-Wunused-but-set-variable]
264 | int t1, t2;
| ^~
utelnetd.c: In function 'main':
utelnetd.c:561:42: warning: pointer targets in passing argument 3 of 'accept' differ in signedness [-Wpointer-sign]
561 | &salen)) < 0) {
| ^~~~~~
| |
| int *
In file included from utelnetd.c:45: /usr/include/x86_64-linux-gnu/sys/socket.h:307:42: note: expected 'socklen_t * restrict' {aka 'unsigned int * restrict'} but argument is of type 'int *'
307 | socklen_t *__restrict __addr_len);
| ~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~
utelnetd.c:597:60: warning: pointer targets in passing argument 1 of 'remove_iacs' differ in signedness [-Wpointer-sign]
597 | ptr = remove_iacs(ts->buf1 + ts->wridx1, maxlen,
| ~~~~~~~~~^~~~~~~~~~~~
| |
| char * utelnetd.c:190:28: note: expected 'unsigned char *' but argument is of type 'char *'
190 | remove_iacs(unsigned char *bf, int len, int *processed, int *num_totty) {
| ~~~~~~~~~~~~~~~^~
gcc -I. -pipe -DSHELLPATH=\"/bin/login\" -Wall -fomit-frame-pointer utelnetd.o -o utelnetd
strip --remove-section=.comment --remove-section=.note utelnetd stappers@paddy:~/src/utelnetd-0.1.11
$ make
PROGS: utelnetd
make: Nothing to be done for 'all'.
stappers@paddy:~/src/utelnetd-0.1.11
$ ls -l utelnetd
-rwxr-xr-x 1 stappers stappers 22984 Nov 10 08:12 utelnetd stappers@paddy:~/src/utelnetd-0.1.11
$ make clean
PROGS: utelnetd
rm -f utelnetd *.o core
stappers@paddy:~/src/utelnetd-0.1.11
$ make DEBUG=1
PROGS: utelnetd
gcc -I. -pipe -DSHELLPATH=\"/bin/login\" -Wall -DDEBUG -g -Os -c -o utelnetd.o utelnetd.c
utelnetd.c: In function 'getpty':
utelnetd.c:232:13: warning: implicit declaration of function 'grantpt'; did you mean 'getpt'? [-Wimplicit-function-declaration]
232 | if (grantpt(p)<0 || unlockpt(p)<0) {
| ^~~~~~~
| getpt
utelnetd.c:232:29: warning: implicit declaration of function 'unlockpt' [-Wimplicit-function-declaration]
232 | if (grantpt(p)<0 || unlockpt(p)<0) {
| ^~~~~~~~
utelnetd.c:237:44: warning: implicit declaration of function 'ptsname'; did you mean 'ptsname_r'? [-Wimplicit-function-declaration]
237 | DEBUG_OUT("getpty(): got pty %s\n",ptsname(p));
| ^~~~~~~
utelnetd.c:112:40: note: in definition of macro 'DEBUG_OUT'
112 | #define DEBUG_OUT(...) fprintf(stderr, __VA_ARGS__)
| ^~~~~~~~~~~
utelnetd.c:237:19: warning: format '%s' expects argument of type 'char *', but argument 3 has type 'int' [-Wformat=]
237 | DEBUG_OUT("getpty(): got pty %s\n",ptsname(p));
| ^~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~
| |
| int
utelnetd.c:112:40: note: in definition of macro 'DEBUG_OUT'
112 | #define DEBUG_OUT(...) fprintf(stderr, __VA_ARGS__)
| ^~~~~~~~~~~
utelnetd.c:237:39: note: format string is defined here
237 | DEBUG_OUT("getpty(): got pty %s\n",ptsname(p));
| ~^
| |
| char *
| %d
utelnetd.c:238:22: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
238 | strcpy(line, (const char*)ptsname(p));
| ^
utelnetd.c: In function 'main':
utelnetd.c:561:42: warning: pointer targets in passing argument 3 of 'accept' differ in signedness [-Wpointer-sign]
561 | &salen)) < 0) {
| ^~~~~~
| |
| int *
In file included from utelnetd.c:45: /usr/include/x86_64-linux-gnu/sys/socket.h:307:42: note: expected 'socklen_t * restrict' {aka 'unsigned int * restrict'} but argument is of type 'int *'
307 | socklen_t *__restrict __addr_len);
| ~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~
utelnetd.c:597:60: warning: pointer targets in passing argument 1 of 'remove_iacs' differ in signedness [-Wpointer-sign]
597 | ptr = remove_iacs(ts->buf1 + ts->wridx1, maxlen,
| ~~~~~~~~~^~~~~~~~~~~~
| |
| char * utelnetd.c:190:28: note: expected 'unsigned char *' but argument is of type 'char *'
190 | remove_iacs(unsigned char *bf, int len, int *processed, int *num_totty) {
| ~~~~~~~~~~~~~~~^~
gcc -I. -pipe -DSHELLPATH=\"/bin/login\" -Wall -DDEBUG -g -Os utelnetd.o -o utelnetd
# --remove-section=.comment --remove-section=.note utelnetd stappers@paddy:~/src/utelnetd-0.1.11
$ make DEBUG=1
PROGS: utelnetd
make: Nothing to be done for 'all'.
stappers@paddy:~/src/utelnetd-0.1.11
$ ls -l utelnetd
-rwxr-xr-x 1 stappers stappers 44696 Nov 10 08:12 utelnetd stappers@paddy:~/src/utelnetd-0.1.11
$
</screenshot>
--
Silence is hard to parse

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