:-1: error: collect2: fatal error: cannot find 'ld'

JonB

@sude
Since your RPi does not have the locate command I suggested earlier, now try:

find / -name ld -print 2>/dev/null

and show the output (better if you copy & paste the command run plus the output as text than show screen shots).

sude

@JonB

pi@raspberrypi:~ $ which ld
pi@raspberrypi:~ $ find / -name ld -print 2>/dev/null
/usr/bin/ld
/usr/lib/compat-ld/ld
/usr/lib/gold-ld/ld
/usr/share/doc/binutils/ld
pi@raspberrypi:~ $

My terminal output is like that.

JonB

@sude
OK, hold on, that is strange.

which ld shows no ld executable on your PATH.

But the find shows /usr/bin/ld. That should be both executable and on your PATH.

Output from ls -l /usr/bin/ld?
Output from echo $PATH?

sude

@JonB
pi@raspberrypi:~ $ ls -l /usr/bin/ld
toplam 0

It is zero how can i echo :(

JonB

@sude

pi@raspberrypi:~ $ ls -l /usr/bin/ld
toplam 0

I don't understand. The output should look something like mine under Ubuntu:

ls -l /usr/bin/ld
lrwxrwxrwx 1 root root 19 Oct 20 12:09 /usr/bin/ld -> x86_64-linux-gnu-ld

Since it's a soft link on mine and may be on yours, now try:

ls -lL /usr/bin/ld
-rwxr-xr-x 1 root root 1740384 Oct 20 12:09 /usr/bin/ld

on yours, please?

It is zero how can i echo :(

What is zero? On mine:

echo $PATH
/home/jon/.local/bin:/home/jon/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games:/snap/bin

JonB

@sude said in :-1: error: collect2: fatal error: cannot find 'ld':

pi@raspberrypi:~ $ ls -l /usr/bin/ld
toplam 0

Ah, hang on, that is indeed what you get if /usr/bin/ls is an (empty) directory:

mkdir empty
ls -l empty
total 0

Maybe toplam means total in your language?!

OK, that is indeed strange. /usr/bin/ld should be, or be a soft link to, an executable file, not a directory!

Go back to the find command. Assuming RPi find accepts -ls, try:

find / -name ld -ls 2>/dev/null

If not try:

ls -ld `find / -name ld -print 2>/dev/null`

Note those two ` ("backtick") characters, you will have to find that on your keyboard.

sude

@JonB
pi@raspberrypi:~ $ find / -name ld -ls 2>/dev/null
300053 0 lrwxrwxrwx 1 root root 16 Şub 6 2020 /usr/lib/compat-ld/ld -> ../../bin/ld.bfd
300055 0 lrwxrwxrwx 1 root root 17 Şub 6 2020 /usr/lib/gold-ld/ld -> ../../bin/ld.gold
299210 4 drwxr-xr-x 2 root root 4096 Mar 5 2021 /usr/share/doc/binutils/ld
pi@raspberrypi:~ $ ls -ld find / -name ld -print 2>/dev/null
lrwxrwxrwx 1 root root 16 Şub 6 2020 /usr/lib/compat-ld/ld -> ../../bin/ld.bfd
lrwxrwxrwx 1 root root 17 Şub 6 2020 /usr/lib/gold-ld/ld -> ../../bin/ld.gold
drwxr-xr-x 2 root root 4096 Mar 5 2021 /usr/share/doc/binutils/ld
pi@raspberrypi:~ $

JonB

@sude
Well, again I don't understand/am surprised at your output.

Earlier your showed 4 matches for ld, including /usr/bin/ld. Now you show only 3 matches, not including /usr/bin/ld. I don't know why....

Last try:

ls -ld /usr/bin/ld ?
ls -lLd /usr/bin/ld?

Assuming those show it's a directory, or even that it does not exist, it does not look to me as though your RPi has ld installed/properly installed. Earlier you said sudo apt install -y build-essential was reporting "installed", but it doesn't feel right to me. Maybe you should try uninstall and reinstall, I don't know. I believe that until which ld returns an executable file path (e.g. /usr/bin/ld) you are in a bad state. But I know nothing about RPi....

sude

@JonB Thank you for your help but it cant be solved. :(

SGaist

Hi,

In that case you should maybe go with the nuclear option and restart from a clean installation on your RPi. As written by @JonB, if having installed build-essential does not give you all the tools, then there's likely something wrong with your system.

sude

@SGaist I tried it too but it didnt work. I dont know what i do wrong.

sude

@JonB said in :-1: error: collect2: fatal error: cannot find 'ld':

ls -lLd /usr/bin/ld

pi@raspberrypi:~ $ ls -ld /usr/bin/ld
ls: Could not access '/usr/bin/ld': No such file or directory
pi@raspberrypi:~ $ ls -lLd /usr/bin/ld
ls: Could not access '/usr/bin/ld': No such file or directory

anil_arise

@sude show complete compile error with .pro file

JonB

@sude said in :-1: error: collect2: fatal error: cannot find 'ld':

ls: Could not access '/usr/bin/ld': No such file or directory

Earlier (4 days ago above) you reported:

find / -name ld -print 2>/dev/null
/usr/bin/ld

Then it disappeared.... Why?

I give up, because it seems to me you are not reporting a consistent situation. You or your file system seem to be changing while you are trying to sort this. Which sounds like you are making some changes/doing some actions you are not telling us about.

I have suggested you uninstall and reinstall the build development package. Maybe you should check again what is installed and what error you get now.

Plenty of other people succeed in doing development on an RPi. I believe the development package, or your base OS distro, should have /usr/bin/ld as an executable file, that is the case under most Linuxes and seems to be what your build/make is expecting. I know no more than this about your situation.

sude

@JonB Thank you for your help this is complicated situation and i tried diffirent things so much. If i directed to wrong way please forgive me and again thank you for your help.

SGaist

Then do things in a simpler fashion:

restart from a clean image for your RPi
install build-essential
compile a dummy hello world cpp application

Once you have that working, continue the setup of the rest of the dependencies you need.

hskoglund

Hi, just want to add: I have an Raspberry with Raspbian 10 and Qt 5.11.3 and Qt Creator 4.8.2 installed on it, it works fine compiling some Qt programs.

I tried what @JonB suggested:
ls -lL /usr/bin/ld and I got this:
lrwxrwxrwx 1 root root 22 Feb 6 2020 /usr/bin/ld -> arm-linux-gnueabihf-ld

So try what @SGaist suggests: a clean install, then try @JonB's command again, it if shows something similar to my output above your good to go.