[Fedora-haskell-list] [Bug 635581] [gold] ghc split-objs breaks with gold linker

bugzilla at redhat.com bugzilla at redhat.com
Tue Sep 21 02:24:19 UTC 2010 

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https://bugzilla.redhat.com/show_bug.cgi?id=635581

Jens Petersen <petersen at redhat.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|[gold] configure: error:    |[gold] ghc split-objs
                   |curses library not found,   |breaks with gold linker
                   |so this package cannot be   |
                   |built                       |

--- Comment #2 from Jens Petersen <petersen at redhat.com> 2010-09-20 22:24:19 EDT ---
Well as above I can't reproduce the ncurses issue on F14
(perhaps that only happens on F15?).

However later in the build I ran into:

"inplace/bin/ghc-stage1"   -H32m -O    -package-name ghc-prim-0.2.0.0
-hide-all-packages -i -ilibraries/ghc-prim/.
-ilibraries/ghc-prim/dist-install/build
-ilibraries/ghc-prim/dist-install/build/autogen
-Ilibraries/ghc-prim/dist-install/build
-Ilibraries/ghc-prim/dist-install/build/autogen -Ilibraries/ghc-prim/.   
-optP-include -optPlibraries/ghc-prim/dist-install/build/autogen/cabal_macros.h
-package rts-1.0 -split-objs -package-name ghc-prim -XCPP -XMagicHash
-XForeignFunctionInterface -XUnliftedFFITypes -XUnboxedTuples -XEmptyDataDecls
-XNoImplicitPrelude -O2 -XGenerics -fno-warn-deprecated-flags     -odir
libraries/ghc-prim/dist-install/build -hidir
libraries/ghc-prim/dist-install/build -stubdir
libraries/ghc-prim/dist-install/build -hisuf hi -osuf  o -hcsuf hc -c
libraries/ghc-prim/./GHC/Generics.hs -o
libraries/ghc-prim/dist-install/build/GHC/Generics.o
/usr/bin/ld: error: cannot find
libraries/ghc-prim/dist-install/build/GHC/Generics_o_split/Generics__1.o
/usr/bin/ld: error: cannot find
libraries/ghc-prim/dist-install/build/GHC/Generics_o_split/.o::Generics(void)
/usr/bin/ld: error: cannot find
libraries/ghc-prim/dist-install/build/GHC/Generics_o_split/Generics__3.o
/usr/bin/ld: error: cannot find
libraries/ghc-prim/dist-install/build/GHC/Generics_o_split/Generics__4.o
/usr/bin/ld: error: cannot find
libraries/ghc-prim/dist-install/build/GHC/Generics_o_split/Generics__5.o
/usr/bin/ld: error: cannot find
libraries/ghc-prim/dist-install/build/GHC/Generics_o_split/Generics__6.o
/usr/bin/ld: error: cannot find
libraries/ghc-prim/dist-install/build/GHC/Generics_o_split/Generics__7.o
/usr/bin/ld: error: cannot find
libraries/ghc-prim/dist-install/build/GHC/Generics_o_split/Generics__8.o
/usr/bin/ld: error: cannot find
libraries/ghc-prim/dist-install/build/GHC/Generics_o_split/Generics__9.o
/usr/bin/ld: error: cannot find
libraries/ghc-prim/dist-install/build/GHC/Generics_o_split/Generics__10.o
/usr/bin/ld: error: cannot find
libraries/ghc-prim/dist-install/build/GHC/Generics_o_split/Generics__11.o
/usr/bin/ld: error: cannot find
libraries/ghc-prim/dist-install/build/GHC/Generics_o_split/Generics__12.o
/usr/bin/ld: error: cannot find
libraries/ghc-prim/dist-install/build/GHC/Generics_o_split/Generics__13.o
/usr/bin/ld: error: cannot find
libraries/ghc-prim/dist-install/build/GHC/Generics_o_split/Generics__14.o
/usr/bin/ld: error: cannot find
libraries/ghc-prim/dist-install/build/GHC/Generics_o_split/Generics__15.o
/usr/bin/ld: error: cannot find
libraries/ghc-prim/dist-install/build/GHC/Generics_o_split/Generics__16.o
collect2: ld returned 1 exit status
make[1]: *** [libraries/ghc-prim/dist-install/build/GHC/Generics.o] Error 1
make: *** [all] Error 2

I see a link script:

[ghc-6.12.3]$ ls libraries/ghc-prim/dist-install/build/GHC/Generics_o_split/
Generics__1.o   Generics__12.o  Generics__15.o  Generics__3.o   Generics__6.o  
Generics__9.o   
Generics__10.o  Generics__13.o  Generics__16.o  Generics__4.o   Generics__7.o  
ld.script       
Generics__11.o  Generics__14.o  Generics__2.o   Generics__5.o   Generics__8.o   
[petersen at localhost ghc-6.12.3]$ less
libraries/ghc-prim/dist-install/build/GHC/Generics_o_split/ld.script 
[petersen at localhost ghc-6.12.3]$ cat
libraries/ghc-prim/dist-install/build/GHC/Generics_o_split/ld.script 
INPUT(libraries/ghc-prim/dist-install/build/GHC/Generics_o_split/Generics__1.o
libraries/ghc-prim/dist-install/build/GHC/Generics_o_split/Generics__2.o
libraries/ghc-prim/dist-install/build/GHC/Generics_o_split/Generics__3.o
libraries/ghc-prim/dist-install/build/GHC/Generics_o_split/Generics__4.o
libraries/ghc-prim/dist-install/build/GHC/Generics_o_split/Generics__5.o
libraries/ghc-prim/dist-install/build/GHC/Generics_o_split/Generics__6.o
libraries/ghc-prim/dist-install/build/GHC/Generics_o_split/Generics__7.o
libraries/ghc-prim/dist-install/build/GHC/Generics_o_split/Generics__8.o
libraries/ghc-prim/dist-install/build/GHC/Generics_o_split/Generics__9.o
libraries/ghc-prim/dist-install/build/GHC/Generics_o_split/Generics__10.o
libraries/ghc-prim/dist-install/build/GHC/Generics_o_split/Generics__11.o
libraries/ghc-prim/dist-install/build/GHC/Generics_o_split/Generics__12.o
libraries/ghc-prim/dist-install/build/GHC/Generics_o_split/Generics__13.o
libraries/ghc-prim/dist-install/build/GHC/Generics_o_split/Generics__14.o
libraries/ghc-prim/dist-install/build/GHC/Generics_o_split/Generics__15.o
libraries/ghc-prim/dist-install/build/GHC/Generics_o_split/Generics__16.o)

Checking the verbose ghc output the problem occurs here with :

/usr/bin/gcc -nostdlib -nodefaultlibs -Wl,-r -Wl,-x -o
libraries/ghc-prim/dist-install/build/GHC/Generics.o
libraries/ghc-prim/dist-install/build/GHC/Generics_o_split/ld.script

Editing the linking script generated by ghc-split:

[ghc-6.12.3]$ sed -i.orig -e
"s%libraries/ghc-prim/dist-install/build/GHC/Generics_o_split/%%g"
libraries/ghc-prim/dist-install/build/GHC/Generics_o_split/ld.script
[ghc-6.12.3]$ /usr/bin/gcc -nostdlib -nodefaultlibs -Wl,-r -Wl,-x -o
libraries/ghc-prim/dist-install/build/GHC/Generics.o
libraries/ghc-prim/dist-install/build/GHC/Generics_o_split/ld.script
[ghc-6.12.3]$ 

So question that arises is should ld.gold support relative paths in
link scripts or should ghc be changes to just like the local objects?

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