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Re: rdynamic? Re: ProjectCenter running or building


From: David Chisnall
Subject: Re: rdynamic? Re: ProjectCenter running or building
Date: Mon, 13 Jan 2020 09:24:22 +0000

-rdynamic is fine.  This means put all symbols on the dynamic symbol table.  
The problem is -r, which means do a partial link.  Some linkers do too much of 
one and prevent the final link from correctly placing everything in the correct 
sections.

David

> On 13 Jan 2020, at 00:05, Patryk Laurent <address@hidden> wrote:
> 
> Hi,
> 
> On December 29, 2019 at 6:21 AM, David Chisnall <address@hidden> wrote:
> 
>> On 29 Dec 2019, at 13:16, Fred Kiefer <address@hidden> wrote:
>>> 
>>>> 2019-12-29 00:35:39.702 ProjectCenter[10666:10666] NSDocumentClass 
>>>> PCProjectDocument not found
>> 
>> Is this project using ld -r (I forget what GNUstep Make calls this - 
>> subprojects?)? If so, it may be the same issue as Base Additions, which 
>> can’t be linked with BFD LD.
>> 
>> David
> 
> On January 6, 2020 at 3:48 AM, David Chisnall <address@hidden> wrote:
> 
>> On 05/01/2020 16:15, Patryk Laurent wrote:
>>> Do you think the bug is also is in ld.gold? During build, we set 
>>> LD=/usr/bin/ld.gold (for 
>>> example,https://github.com/plaurent/gnustep-build/blob/master/ubuntu-19.10-clang-9.0-runtime-2.0/GNUstep-buildon-ubuntu1910.sh#L46)
>> 
>> Is $LD actually used to build? Most of the time, $CC is invoked as the 
>> linker, so you need -fuse-ld=gold in the LDFLAGS.
>> 
>> David
> 
> While building ProjectCenter I see the use of clang -rdynamic, it looks like 
> it's coming in from gnustep-config --objc-libs.  Is this the "-r" you were 
> mentioning before, and may be causing the problem with the 
> frameworks/subprojects and resource bundle loading?
> 
> Should we try to find some way to disable it?  What is the recommended way to 
> do this?
> 
> Best,
> Patryk
> 
> 
> clang  -shared -Wl,-soname,libProjectCenter.so.0  -rdynamic      
> -fuse-ld=/usr/bin/ld.gold -L/usr/local/lib  -pthread  -fexceptions -o 
> ./ProjectCenter.framework/Versions/0.6.2/./libProjectCenter.so.0.6.2 obj/     
>        ProjectCenter.obj/NSFramework_ProjectCenter.o 
> obj/ProjectCenter.obj/PCBundleManager.m.o 
> obj/ProjectCenter.obj/PCEditorManager.m.o 
> obj/ProjectCenter.obj/PCMakefileFactory.m.o 
> obj/ProjectCenter.obj/PCFileManager.m.o obj/  
> ProjectCenter.obj/PCAddFilesPanel.m.o obj/ProjectCenter.obj/PCFileCreator.m.o 
> obj/ProjectCenter.obj/          PCSaveModified.m.o 
> obj/ProjectCenter.obj/PCProjectManager.m.o 
> obj/ProjectCenter.obj/PCProject.m.o obj/        
> ProjectCenter.obj/PCProjectWindow.m.o 
> obj/ProjectCenter.obj/PCProjectInspector.m.o obj/ProjectCenter.obj/     
> PCProjectBuilder.m.o obj/ProjectCenter.obj/PCProjectBuilderOptions.m.o 
> obj/ProjectCenter.obj/                 PCProjectBuilderPanel.m.o 
> obj/ProjectCenter.obj/PCProjectLauncher.m.o obj/ProjectCenter.obj/            
>       PCProjectLauncherPanel.m.o obj/ProjectCenter.obj/PCProjectEditor.m.o 
> obj/ProjectCenter.obj/PCProjectBrowser.m.o 
> obj/ProjectCenter.obj/PCProjectLoadedFiles.m.o 
> obj/ProjectCenter.obj/PCProjectLoadedFilesPanel.m.o obj/     
> ProjectCenter.obj/PCButton.m.o obj/ProjectCenter.obj/PCFileNameField.m.o 
> obj/ProjectCenter.obj/PCFileNameIcon.m.o 
> obj/ProjectCenter.obj/PCLogController.m.o 
> obj/ProjectCenter.obj/PCAuxiliaryWindow.m.o   -L../             
> ProjectCenter/./obj    -L/home/patryk/GNUstep/Library/Libraries 
> -L/usr/GNUstep/Local/Library/Libraries 
> -L/usr/GNUstep/System/Library/Libraries   -lobjc -lgnustep-base -lgnustep-gui
> 
> 
> clang -shared -rdynamic -fuse-ld=/usr/bin/ld.gold -L/usr/local/lib -pthread 
> -fexceptions -o ./ProjectCe
> nter.debugger/./ProjectCenter ./obj/ProjectCenter.obj/PCDebugger.m.o 
> ./obj/ProjectCenter.obj/PCDebuggerView.m.
> o ./obj/ProjectCenter.obj/PipeDelegate.m.o 
> -L../../../Framework/ProjectCenter.framework/. -L/home/patryk/
> GNUstep/Library/Libraries -L/usr/GNUstep/Local/Library/Libraries 
> -L/usr/GNUstep/System/Library/Libraries 
> -lgnustep-gui -lgnustep-base -lpthread -lobjc -lm
> 
> 
> clang -rdynamic -fuse-ld=/usr/bin/ld.gold -L/usr/local/lib -pthread 
> -fexceptions -fobjc-runtime=gnuste
> p-2.0 -fblocks -o ProjectCenter.app/./ProjectCenter \
> ./obj/ProjectCenter.obj/PCAppController.m.o 
> ./obj/ProjectCenter.obj/PCInfoController.m.o 
> ./obj/ProjectCenter.obj/PCMenuController.m.o 
> ./obj/ProjectCenter.obj/PCPrefController.m.o 
> ./obj/ProjectCenter.obj/ProjectCenter_main.m.o 
> -L./Framework/ProjectCenter.framework/. 
> -L/home/patryk/GNUstep/Library/Libraries 
> -L/usr/GNUstep/Local/Library/Libraries 
> -L/usr/GNUstep/System/Library/Libraries -lProjectCenter -lgnustep-gui 
> -lgnustep-base -lpthread -lobjc -lm
> 
> 
> 
>  




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