#4871: Build failure on windows: rts/Linker.c
---------------------------------+------------------------------------------
Reporter: nsch | Owner:
Type: bug | Status: new
Priority: normal | Component: Runtime System
Version: | Keywords: mingw
Testcase: | Blockedby:
Os: Windows | Blocking:
Architecture: Unknown/Multiple | Failure: Building GHC failed
---------------------------------+------------------------------------------
I'm getting this error when trying to compile current GHC-HEAD on windows:
{{{
"inplace/bin/ghc-stage1.exe" -optc-Wall -optc-Wextra -optc-Wstrict-
prototypes -optc-Wmissing-prototypes -optc-Wmissing-declarations -optc-Wi
nline -optc-Waggregate-return -optc-Wpointer-arith -optc-Wmissing-noreturn
-optc-Wnested-externs -optc-Wredundant-decls -optc-Iincludes -opt
c-Irts -optc-DCOMPILING_RTS -optc-fno-strict-aliasing -optc-fno-common
-optc-Ilibffi/build/include -optc-fomit-frame-pointer -optc-DRtsWay=\
"rts_thr\" -optc-DTHREADED_RTS -H32m -O -Iincludes -Irts -DCOMPILING_RTS
-package-name rts -dcmm-lint -Ilibffi/build/include -i -irts
-irts/dist/build -irts/dist/build/autogen -Irts/dist/build
-Irts/dist/build/autogen -optc-O2 -c rts/Linker.c -o
rts/dist/build/L
inker.thr_o
rts\Linker.c:1039:1: error: conflicting types for 'mktime'
c:\haskell\ghc-
src\inplace\mingw\bin\../lib/gcc/mingw32/4.5.0/../../../../include/time.h:104:40:
note: previous declaration of 'mktime' was
here
rts\Linker.c:1039:1: error: conflicting types for 'localtime'
c:\haskell\ghc-
src\inplace\mingw\bin\../lib/gcc/mingw32/4.5.0/../../../../include/time.h:121:45:
note: previous declaration of 'localtime' w
as here
rts\Linker.c:1039:1: error: conflicting types for 'gmtime'
c:\haskell\ghc-
src\inplace\mingw\bin\../lib/gcc/mingw32/4.5.0/../../../../include/time.h:120:45:
note: previous declaration of 'gmtime' was
here
make[1]: *** [rts/dist/build/Linker.thr_o] Error 1
make: *** [all] Error 2
}}}
rts/Linker.c:1039 basicly is just:
{{{
RTS_MINGW_ONLY_SYMBOLS
}}}
with the definition somewhere below line 381:
{{{
/* These are statically linked from the mingw libraries into the ghc
executable, so we have to employ this hack. */
#define RTS_MINGW_ONLY_SYMBOLS \
...
SymI_NeedsProto(mktime) \
...
SymI_NeedsProto(localtime) \
SymI_NeedsProto(gmtime) \
...
}}}
I tried all different versions of MinGW - the one of the current Haskell
Platform 2010.2.0.0 and the one currently available at mingw.org and an
old version I had installed.
However, removing these 3 lines will result in another error, so the
changes to fix this won't be that trivial:
{{{
rts\sm\GC.c: In function 'new_gc_thread':
rts\sm\GC.c:863:11:
error: incompatible types when assigning to type 'OSThreadId' from
type 'int'
make[1]: *** [rts/dist/build/sm/GC.thr_o] Error 1
make: *** [all] Error 2
}}}
(even though I'm not 100% if that's because of those changes, since I
probably never got that far in the building process...)
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/4871>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler
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