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digitalmars.D.learn - freebsd dub linker error

reply Alain De Vos <devosalain ymail.com> writes:
I disabled 32bit code maybe this created the following error 
while building dub :

[00:02:18] 
===========================================================================
[00:02:18] =======================<phase: configure      

============================


[00:02:18] ===>  Configuring for dub-1.14.0
[00:02:23] 
===========================================================================
[00:02:23] =======================<phase: build          

============================


[00:02:23] ===>  Building for dub-1.14.0
[00:02:41] build.sh: cannot open 2.069.0: No such file or 
directory
[00:02:41] Using existing version file.
[00:02:41] Running ldmd2...
[00:02:58] Serializing composite type BuildRequirements which has 
no serializable fields
[00:02:58] Serializing composite type BuildOptions which has no 
serializable fields
[00:02:59] source/dub/dub.d(1602): Deprecation: function 
`std.typecons.Nullable!(PackageRecipe).Nullable.get_` is 
deprecated - Implicit conversion with `alias Nullable.get this` 
will be removed after 2.096. Please use `.get` explicitly.
[00:02:59] source/dub/packagesuppliers/maven.d(81): Deprecation: 
module `std.xml` is deprecated - Will be removed from Phobos in 
2.101.0. If you still need it, go to 
https://github.com/DigitalMars/undeaD
[00:02:59] source/dub/project.d(288): Deprecation: variable `c` 
is shadowing variable `dub.project.Project.validate.c`. Rename 
the `foreach` variable.
[00:03:00] source/dub/generators/build.d(338): Deprecation: 
module `std.digest.digest` is deprecated - import std.digest 
instead of std.digest.digest. std.digest.digest will be removed 
in 2.101
[00:04:19] ld: error: undefined hidden symbol: __start___minfo
[00:04:19] >>> referenced by sdl.d
[00:04:19] >>>               bin/dub.o:(ldc.register_dso)
[00:04:19]
[00:04:19] ld: error: undefined hidden symbol: __stop___minfo
[00:04:19] >>> referenced by sdl.d
[00:04:19] >>>               bin/dub.o:(ldc.register_dso)
[00:04:19] cc: error: linker command failed with exit code 1 (use 
-v to see invocation)
[00:04:19] Error: /usr/bin/cc failed with status: 1
[00:04:19] *** Error code 1
[00:04:19]
[00:04:19] Stop.
[00:04:19] make: stopped in /usr/ports/devel/dub
[00:04:20] =>> Cleaning up wrkdir
[00:04:20] ===>  Cleaning for dub-1.14.0
[00:04:23] build of devel/dub | dub-1.14.0 ended at Fri Mar 18 
03:59:34 CET 2022
[00:04:23] build time: 00:04:23
[00:04:23] !!! build failure encountered !!!
Mar 17 2022
parent reply rikki cattermole <rikki cattermole.co.nz> writes:
Are you trying to build dub on Android?

Android support for ldc is currently broken to due to removal of a 
linker that is currently required for TLS support.

https://github.com/ldc-developers/ldc/issues/3918
Mar 17 2022
parent reply rikki cattermole <rikki cattermole.co.nz> writes:
On 18/03/2022 5:56 PM, rikki cattermole wrote:

 Are you trying to build dub on Android?
 
 Android support for ldc is currently broken to due to removal of a 
 linker that is currently required for TLS support.
 
 https://github.com/ldc-developers/ldc/issues/3918


My bad I didn't see FreeBSD.

Similar issue, quite possibly related given the old version 2.069.0 
being referenced.

https://github.com/ldc-developers/ldc/pull/3106
Mar 17 2022
parent reply Alain De Vos <devosalain ymail.com> writes:
The problem re-appeared and i have totally no idea what caused it.
ldc2 test.d
ld: error: undefined hidden symbol: __start___minfo

 referenced by test.d
               test.o:(ldc.register_dso)






ld: error: undefined hidden symbol: __stop___minfo

 referenced by test.d
               test.o:(ldc.register_dso)






cc: error: linker command failed with exit code 1 (use -v to see 
invocation)
Error: /usr/bin/cc failed with status: 1

The only thing i did was disabling 32-bit code in kernel and 
userland.
May 16 2022
parent reply Alain De Vos <devosalain ymail.com> writes:
The following worked , and i don't know what is going on:
```
ldc2 --gcc=gcc11
```
May 16 2022
parent reply Alain De Vos <devosalain ymail.com> writes:
Bugs in the clang/llvm toolchain but not in the gcc toolchain ?
May 16 2022
parent reply Alain De Vos <devosalain ymail.com> writes:
Performed additional tests.
Compiling helloworld.d
```
export CC=gcc11 ; ldc2 helloworld.d
```
works fine.

Compiling helloworld.d
```
export CC=clang ; ldc2 helloworld.d
```
returns:
```
d: error: undefined hidden symbol: __start___minfo

 referenced by test.d
               test.o:(ldc.register_dso)






ld: error: undefined hidden symbol: __stop___minfo

 referenced by test.d
               test.o:(ldc.register_dso)






clang: error: linker command failed with exit code 1 (use -v to 
see invocation)
Error: /usr/bin/clang failed with status: 1
```

So I have a workaround by fixing it to gcc
Jun 01 2022
parent reply Alain De Vos <devosalain ymail.com> writes:
The detailed error is :
```
/usr/bin/clang test.o -o test -L/usr/local/lib -lphobos2-ldc 
-ldruntime-ldc -Wl,--gc-sections -lexecinfo -lpthread -lm -m64
ld: error: undefined hidden symbol: __start___minfo

 referenced by test.d
               test.o:(ldc.register_dso)






```
Jun 01 2022
parent reply Kagamin <spam here.lot> writes:
Try to run clang with -v option and compare with gcc.
Jun 01 2022
parent Alain De Vos <devosalain ymail.com> writes:
On Wednesday, 1 June 2022 at 15:23:14 UTC, Kagamin wrote:

 Try to run clang with -v option and compare with gcc.


I've tracked down the problem to the solution where i specify as 
linker to use gcc12 instead of a clang/llvm.
The following works.
```
export CC=clang14
ldc2 --link-defaultlib-shared --gcc=gcc12 ...
```
But i have no explanation.
Sep 01 2022