• Venkat (13/13) Jan 05 2018 Why does gcc say "unknown demangling style `dlang'" ? Do I need
• Nicholas Wilson (4/17) Jan 05 2018 I'm not familiar with that flag maybe you have to register
• Mike Franklin (6/8) Jan 06 2018 Check your version of binutils with `ld --version`. It looks
• Venkat (2/2) Jan 07 2018 Yes, thanks Mike. I have 2.24 installed. Now I have to figure out

Venkat <venkatram.akkineni gmail.com> writes:

Why does gcc say "unknown demangling style `dlang'" ? Do I need 
GDC for demangling to work ?


85198AB7DE24894B5F742FBD5/libvibe-d_data.a 
/home/venkat/.dub/packages/vibe-d-0.8.2/vibe-d/utils/.dub/build/library-unittest-linux.posix-x86_64-dmd_2077-B9AE30DD34FDC5ADDE81E208F10DF0
4/libvibe-d_utils.a -L--no-as-needed -L--demangle=dlang -L-lsqlite3
-L-levent_pthreads -L-levent -L-lssl -L-lcrypto -L-ldl -g
/usr/bin/ld: unknown demangling style `dlang'
collect2: error: ld returned 1 exit status
Error: linker exited with status 1
FAIL 
.dub/build/webmarx-test-application-unittest-linux.posix-x86_64-dmd_2077-C5DB1ABAED0A1
91C5B2ACAFDC70EAC6/ webmarx-test-application executable
dmd failed with exit code 1.
Full exception: 
object.Exception source/dub/compilers/compiler.d(115): dmd failed 
with exit code 1.

Nicholas Wilson <iamthewilsonator hotmail.com> writes:

On Saturday, 6 January 2018 at 05:44:28 UTC, Venkat wrote:
 Why does gcc say "unknown demangling style `dlang'" ? Do I need 
 GDC for demangling to work ?


 85198AB7DE24894B5F742FBD5/libvibe-d_data.a 
 /home/venkat/.dub/packages/vibe-d-0.8.2/vibe-d/utils/.dub/build/library-unittest-linux.posix-x86_64-dmd_2077-B9AE30DD34FDC5ADDE81E208F10DF0
4/libvibe-d_utils.a -L--no-as-needed -L--demangle=dlang -L-lsqlite3
-L-levent_pthreads -L-levent -L-lssl -L-lcrypto -L-ldl -g
 /usr/bin/ld: unknown demangling style `dlang'
 collect2: error: ld returned 1 exit status
 Error: linker exited with status 1
 FAIL 
 .dub/build/webmarx-test-application-unittest-linux.posix-x86_64-dmd_2077-C5DB1ABAED0A1
91C5B2ACAFDC70EAC6/ webmarx-test-application executable
 dmd failed with exit code 1.
 Full exception: 
 object.Exception source/dub/compilers/compiler.d(115): dmd 
 failed with exit code 1.

I'm not familiar with that flag maybe you have to register 
ddmangle with it? But failing all else you can pipe the output 
through ddmangle.

Mike Franklin <slavo5150 yahoo.com> writes:

On Saturday, 6 January 2018 at 05:44:28 UTC, Venkat wrote:
 Why does gcc say "unknown demangling style `dlang'" ? Do I need 
 GDC for demangling to work ?

Check your version of binutils with `ld --version`.  It looks 
like it was added in v2.25:  
http://forum.dlang.org/post/rvoqllpimfskvlabprot forum.dlang.org

I tested with 2.29.1 and it worked fine for me.

Mike

Venkat <venkatram.akkineni gmail.com> writes:

Yes, thanks Mike. I have 2.24 installed. Now I have to figure out 
how I can upgrade binutils without a distro upgrade. :)