#5634: ghc-7.2.2 compilation error (Mac OS X Lion, Xcode 4.2): LLVM cannot
handle
register variable ‘R1’
-------------------------------+--------------------------------------------
Reporter: guest | Owner:
Type: bug | Status: new
Priority: normal | Component: Runtime System
Version: 7.2.1 | Keywords: StgCRun.c LLVM Lion Xcode-4.2
Testcase: | Blockedby:
Os: MacOS X | Blocking:
Architecture: x86_64 (amd64) | Failure: Building GHC failed
-------------------------------+--------------------------------------------
I tried building ghc-7.2.2 on Mac OS X 10.7.2 (Lion) x86_64-apple-darwin
with Xcode 4.2.
gcc is version 4.2.1; bootstrapping with ghc-7.0.4.
The configure script default /usr/bin/gcc-4.2 failed configure. (It is
actually broken on my system, now that I check.) So I explicitly tried the
LLVM-backended gcc, which is the usual default gcc on this system, and got
an LLVM-related error compiling StgCRun.c that said "report me":
$ CC=/usr/bin/llvm-gcc-4.2 ./configure
...
$ make
...
"inplace/bin/ghc-stage1" -optc-Wall -optc-Wextra -optc-Wstrict-prototypes
-optc-Wmissing-prototypes -optc-Wmissing-declarations -optc-Winline -optc-
Waggregate-return -optc-Wpointer-arith -optc-Wmissing-noreturn -optc-
Wnested-externs -optc-Wredundant-decls -optc-Iincludes -optc-Irts -optc-
DCOMPILING_RTS -optc-fno-strict-aliasing -optc-fno-common -optc-
Ilibffi/build/include -optc-DDTRACE -optc-fomit-frame-pointer -optc-
DRtsWay=\"rts_v\" -optc-w -H32m -O -Iincludes -Irts -DCOMPILING_RTS
-package-name rts -dcmm-lint -Ilibffi/build/include -DDTRACE -i
-irts -irts/dist/build -irts/dist/build/autogen -Irts/dist/build
-Irts/dist/build/autogen -optc-O2 -c rts/StgCRun.c -o
rts/dist/build/StgCRun.o
In file included from includes/Stg.h:230,
from rts/StgCRun.c:70:0:
includes/stg/Regs.h:177:0:
sorry, unimplemented: LLVM cannot handle register variable ‘R1’,
report a bug
make[1]: *** [rts/dist/build/StgCRun.o] Error 1
make: *** [all] Error 2
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5634>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler
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