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Building on Linux

 
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randomZ



Joined: 04 Dec 2004
Posts: 31
Location: Tuebingen, Germany
PostPosted: Sun Dec 26, 2004 4:02 pm    Post subject: Building on Linux Reply with quote
I have trouble building derelict libraries on Linux, or rather using them.

What I do:

dmd loader.d, put loader.o in derelict's obj dir
make -fMakefile.linux, e.g. in DerelictSDL

Then I write a simple program that uses SDL, but I get tons of linker errors (undefined reference) from loader.o. Do I need to link anything in besides derelictSDL, phobos and loader.o?

Code:

/usr/local/lib/libderelictSDL.a(loader.o)(.gnu.linkonce.t_D3std6loader13ExeModuleInfo5_ctorFT3std6loader8HModule_AaZC3std6loader13ExeModuleInfo+0x2a): In function `_D3std6loader13ExeModuleInfo5_ctorFT3std6loader8HModule_AaZC3std6loader13ExeModuleInfo':
: undefined reference to `_D9invariant12_d_invariantFC6ObjectZv'
/usr/local/lib/libderelictSDL.a(loader.o)(.gnu.linkonce.t_D3std6loader13record_error_FZv+0x8): In function `_D3std6loader13record_error_FZv':
: undefined reference to `dlerror'
/usr/local/lib/libderelictSDL.a(loader.o)(.gnu.linkonce.t_D3std6loader15ExeModule_Load_FAaZT3std6loader8HXModule+0x21): In function `_D3std6loader15ExeModule_Load_FAaZT3std6loader8HXModule':
: undefined reference to `_init_11TypeInfo_Aa'
/usr/local/lib/libderelictSDL.a(loader.o)(.gnu.linkonce.t_D3std6loader15ExeModule_Load_FAaZT3std6loader8HXModule+0x2d): In function `_D3std6loader15ExeModule_Load_FAaZT3std6loader8HXModule':
: undefined reference to `_aaGet'
/usr/local/lib/libderelictSDL.a(loader.o)(.gnu.linkonce.t_D3std6loader15ExeModule_Load_FAaZT3std6loader8HXModule+0x5a): In function `_D3std6loader15ExeModule_Load_FAaZT3std6loader8HXModule':
: undefined reference to `dlopen'
/usr/local/lib/libderelictSDL.a(loader.o)(.gnu.linkonce.t_D3std6loader15ExeModule_Load_FAaZT3std6loader8HXModule+0x9e): In function `_D3std6loader15ExeModule_Load_FAaZT3std6loader8HXModule':
: undefined reference to `_init_11TypeInfo_Aa'
/usr/local/lib/libderelictSDL.a(loader.o)(.gnu.linkonce.t_D3std6loader15ExeModule_Load_FAaZT3std6loader8HXModule+0xaa): In function `_D3std6loader15ExeModule_Load_FAaZT3std6loader8HXModule':
: undefined reference to `_aaGet'
/usr/local/lib/libderelictSDL.a(loader.o)(.gnu.linkonce.t_D3std6loader17ExeModule_AddRef_FT3std6loader8HXModuleZT3std6loader8HXModule+0x63): In function `_D3std6loader17ExeModule_AddRef_FT3std6loader8HXModuleZT3std6loader8HXModule':
: undefined reference to `_init_11TypeInfo_Aa'
/usr/local/lib/libderelictSDL.a(loader.o)(.gnu.linkonce.t_D3std6loader17ExeModule_AddRef_FT3std6loader8HXModuleZT3std6loader8HXModule+0x72): In function `_D3std6loader17ExeModule_AddRef_FT3std6loader8HXModuleZT3std6loader8HXModule':
: undefined reference to `_aaGet'
/usr/local/lib/libderelictSDL.a(loader.o)(.gnu.linkonce.t_D3std6loader17ExeModule_AddRef_FT3std6loader8HXModuleZT3std6loader8HXModule+0x93): In function `_D3std6loader17ExeModule_AddRef_FT3std6loader8HXModuleZT3std6loader8HXModule':
: undefined reference to `_init_11TypeInfo_Aa'
/usr/local/lib/libderelictSDL.a(loader.o)(.gnu.linkonce.t_D3std6loader17ExeModule_AddRef_FT3std6loader8HXModuleZT3std6loader8HXModule+0x9a): In function `_D3std6loader17ExeModule_AddRef_FT3std6loader8HXModuleZT3std6loader8HXModule':
: undefined reference to `_aaGet'
/usr/local/lib/libderelictSDL.a(loader.o)(.gnu.linkonce.t_D3std6loader18ExeModule_Release_FKT3std6loader8HXModuleZv+0x61): In function `_D3std6loader18ExeModule_Release_FKT3std6loader8HXModuleZv':
: undefined reference to `_init_11TypeInfo_Aa'
/usr/local/lib/libderelictSDL.a(loader.o)(.gnu.linkonce.t_D3std6loader18ExeModule_Release_FKT3std6loader8HXModuleZv+0x70): In function `_D3std6loader18ExeModule_Release_FKT3std6loader8HXModuleZv':
: undefined reference to `_aaGet'
/usr/local/lib/libderelictSDL.a(loader.o)(.gnu.linkonce.t_D3std6loader18ExeModule_Release_FKT3std6loader8HXModuleZv+0x91): In function `_D3std6loader18ExeModule_Release_FKT3std6loader8HXModuleZv':
: undefined reference to `_init_11TypeInfo_Aa'
/usr/local/lib/libderelictSDL.a(loader.o)(.gnu.linkonce.t_D3std6loader18ExeModule_Release_FKT3std6loader8HXModuleZv+0x98): In function `_D3std6loader18ExeModule_Release_FKT3std6loader8HXModuleZv':
: undefined reference to `_aaGet'
/usr/local/lib/libderelictSDL.a(loader.o)(.gnu.linkonce.t_D3std6loader18ExeModule_Release_FKT3std6loader8HXModuleZv+0xcf): In function `_D3std6loader18ExeModule_Release_FKT3std6loader8HXModuleZv':
: undefined reference to `dlclose'
/usr/local/lib/libderelictSDL.a(loader.o)(.gnu.linkonce.t_D3std6loader18ExeModule_Release_FKT3std6loader8HXModuleZv+0xe6): In function `_D3std6loader18ExeModule_Release_FKT3std6loader8HXModuleZv':
: undefined reference to `_init_11TypeInfo_Aa'
/usr/local/lib/libderelictSDL.a(loader.o)(.gnu.linkonce.t_D3std6loader18ExeModule_Release_FKT3std6loader8HXModuleZv+0xf8): In function `_D3std6loader18ExeModule_Release_FKT3std6loader8HXModuleZv':
: undefined reference to `_aaDel'
/usr/local/lib/libderelictSDL.a(loader.o)(.gnu.linkonce.t_D3std6loader20ExeModule_GetSymbol_FKT3std6loader8HXModuleAaZPv+0x61): In function `_D3std6loader20ExeModule_GetSymbol_FKT3std6loader8HXModuleAaZPv':
: undefined reference to `_init_11TypeInfo_Aa'
/usr/local/lib/libderelictSDL.a(loader.o)(.gnu.linkonce.t_D3std6loader20ExeModule_GetSymbol_FKT3std6loader8HXModuleAaZPv+0x70): In function `_D3std6loader20ExeModule_GetSymbol_FKT3std6loader8HXModuleAaZPv':
: undefined reference to `_aaGet'
/usr/local/lib/libderelictSDL.a(loader.o)(.gnu.linkonce.t_D3std6loader20ExeModule_GetSymbol_FKT3std6loader8HXModuleAaZPv+0x91): In function `_D3std6loader20ExeModule_GetSymbol_FKT3std6loader8HXModuleAaZPv':
: undefined reference to `_init_11TypeInfo_Aa'
/usr/local/lib/libderelictSDL.a(loader.o)(.gnu.linkonce.t_D3std6loader20ExeModule_GetSymbol_FKT3std6loader8HXModuleAaZPv+0x98): In function `_D3std6loader20ExeModule_GetSymbol_FKT3std6loader8HXModuleAaZPv':
: undefined reference to `_aaGet'
/usr/local/lib/libderelictSDL.a(loader.o)(.gnu.linkonce.t_D3std6loader20ExeModule_GetSymbol_FKT3std6loader8HXModuleAaZPv+0xc4): In function `_D3std6loader20ExeModule_GetSymbol_FKT3std6loader8HXModuleAaZPv':
: undefined reference to `dlsym'
/usr/local/lib/libderelictSDL.a(loader.o)(.gnu.linkonce.t_D3std6loader18ExeModule_GetPath_FT3std6loader8HXModuleZAa+0x63): In function `_D3std6loader18ExeModule_GetPath_FT3std6loader8HXModuleZAa':
: undefined reference to `_init_11TypeInfo_Aa'
/usr/local/lib/libderelictSDL.a(loader.o)(.gnu.linkonce.t_D3std6loader18ExeModule_GetPath_FT3std6loader8HXModuleZAa+0x72): In function `_D3std6loader18ExeModule_GetPath_FT3std6loader8HXModuleZAa':
: undefined reference to `_aaGet'
/usr/local/lib/libderelictSDL.a(loader.o)(.gnu.linkonce.t_D3std6loader18ExeModule_GetPath_FT3std6loader8HXModuleZAa+0x93): In function `_D3std6loader18ExeModule_GetPath_FT3std6loader8HXModuleZAa':
: undefined reference to `_init_11TypeInfo_Aa'
/usr/local/lib/libderelictSDL.a(loader.o)(.gnu.linkonce.t_D3std6loader18ExeModule_GetPath_FT3std6loader8HXModuleZAa+0x9a): In function `_D3std6loader18ExeModule_GetPath_FT3std6loader8HXModuleZAa':
: undefined reference to `_aaGet'
/usr/local/lib/libderelictSDL.a(loader.o)(.gnu.linkonce.t_D3std6loader18ExeModuleException5_ctorFAaZC3std6loader18ExeModuleException+0x1e): In function `_D3std6loader18ExeModuleException5_ctorFAaZC3std6loader18ExeModuleException':
: undefined reference to `_D9invariant12_d_invariantFC6ObjectZv'
/usr/local/lib/libderelictSDL.a(loader.o)(.gnu.linkonce.t_D3std6loader18ExeModuleException5_ctorFkZC3std6loader18ExeModuleException+0xd): In function `_D3std6loader18ExeModuleException5_ctorFkZC3std6loader18ExeModuleException':
: undefined reference to `_D3std8syserror8SysError3msgFkZAa'
/usr/local/lib/libderelictSDL.a(loader.o)(.gnu.linkonce.t_D3std6loader18ExeModuleException5_ctorFkZC3std6loader18ExeModuleException+0x25): In function `_D3std6loader18ExeModuleException5_ctorFkZC3std6loader18ExeModuleException':
: undefined reference to `_D9invariant12_d_invariantFC6ObjectZv'
/usr/local/lib/libderelictSDL.a(loader.o)(.gnu.linkonce.t_D3std6loader9ExeModule5_ctorFT3std6loader8HXModuleiZC3std6loader9ExeModule+0x41): In function `_D3std6loader9ExeModule5_ctorFT3std6loader8HXModuleiZC3std6loader9ExeModule':
: undefined reference to `_D9invariant12_d_invariantFC6ObjectZv'
/usr/local/lib/libderelictSDL.a(loader.o)(.gnu.linkonce.t_D3std6loader9ExeModule5_ctorFAaZC3std6loader9ExeModule+0x56): In function `_D3std6loader9ExeModule5_ctorFAaZC3std6loader9ExeModule':
: undefined reference to `_D9invariant12_d_invariantFC6ObjectZv'
/usr/local/lib/libderelictSDL.a(loader.o)(.gnu.linkonce.t_D3std6loader9ExeModule5_dtorFZv+0xa): In function `_D3std6loader9ExeModule5_dtorFZv':
: undefined reference to `_D9invariant12_d_invariantFC6ObjectZv'
/usr/local/lib/libderelictSDL.a(loader.o)(.gnu.linkonce.t_D3std6loader9ExeModule5closeFZv+0xa): In function `_D3std6loader9ExeModule5closeFZv':
: undefined reference to `_D9invariant12_d_invariantFC6ObjectZv'
/usr/local/lib/libderelictSDL.a(loader.o)(.gnu.linkonce.t_D3std6loader9ExeModule9getSymbolFAaZPv+0xa): more undefined references to `_D9invariant12_d_invariantFC6ObjectZv' follow
collect2: ld returned 1 exit status


-Sebastian
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aldacron



Joined: 05 May 2004
Posts: 1322
Location: Seoul, South Korea
PostPosted: Sun Dec 26, 2004 8:03 pm    Post subject: Reply with quote
The errors you are getting aren't very clear, but there are a couple of things that I can think of that may help.

You should also be linking to libdl, which is a standard linux library and is required by loader.o. This is, I suspect, the reason why loader.d is not compiled into phobos on Linux in the first place. Although the errors don't point to that, it is a requirement.

Also, it is likely a good idea to remove loader.o from the object list in Makefile.linux. It really shouldn't be there. If you are linking loader.o on the command line when you build your app that could cause conflicts I suspect - which may be what is happening here?. I'll update svn with a corrected version as soon as I can get around to it.
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clayasaurus



Joined: 21 May 2004
Posts: 857
PostPosted: Tue Dec 28, 2004 2:10 pm    Post subject: Reply with quote
don't forget the linker options -ldl and i think -lm as well, maybe -lpthread. i'm not quite sure because i havn't done it for a bit. dl is the dynamic library library loader.d uses.

happy new year.
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randomZ



Joined: 04 Dec 2004
Posts: 31
Location: Tuebingen, Germany
PostPosted: Mon Jan 03, 2005 1:01 pm    Post subject: Reply with quote
OK, I finally got around to getting this to work. I did the following:

- Remove loader.o from DerelictSDL's Makefile.linux
- Copy loader.d to my app's dir and add it to its sources list
- Link my app with dl (m and pthread weren't necessary)
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aldacron



Joined: 05 May 2004
Posts: 1322
Location: Seoul, South Korea
PostPosted: Mon Jan 03, 2005 8:56 pm    Post subject: Reply with quote
Doh! I haven't fixed the Makefile in svn yet. I'll get on that right now.

[EDIT] Done!
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