[LLVMbugs] [Bug 3552] New: LLVM-GCC fails to build on MingW (non bootstrap).

bugzilla-daemon at cs.uiuc.edu bugzilla-daemon at cs.uiuc.edu
Wed Feb 11 11:20:37 PST 2009 

http://llvm.org/bugs/show_bug.cgi?id=3552

           Summary: LLVM-GCC fails to build on MingW (non bootstrap).
           Product: new-bugs
           Version: unspecified
          Platform: PC
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: P2
         Component: new bugs
        AssignedTo: unassignedbugs at nondot.org
        ReportedBy: jlerouge at apple.com
                CC: dpatel at apple.com, gohman at apple.com, llvmbugs at cs.uiuc.edu


LLVM-GCC doesn't build on MingW, starting with revision 61207, doing a
non-bootstrap build.

* rev 61207 introduces the following error:

make[4]: Entering directory
`/c/cygwin/home/jlerouge/buildbot/llvm-test-fixed-61207/gcc-build/i686-pc-mingw32/libstdc++-v3/include'
if [ ! -d "./i686-pc-mingw32/bits/stdc++.h.gch" ]; then \
  mkdir -p ./i686-pc-mingw32/bits/stdc++.h.gch; \
fi; \
/c/cygwin/home/jlerouge/buildbot/llvm-test-fixed-61207/gcc-build/./gcc/xgcc
-shared-libgcc
-B/c/cygwin/home/jlerouge/buildbot/llvm-test-fixed-61207/gcc-build/./gcc
-nostdinc++ -L/c/cygwin/home/jlerouge/buildbot/llvm-test-fixed-61207/gcc
-build/i686-pc-mingw32/libstdc++-v3/src
-L/c/cygwin/home/jlerouge/buildbot/llvm-test-fixed-61207/gcc-build/i686-pc-mingw32/libstdc++-v3/src/.libs
-L/c/cygwin/home/jlerouge/buildbot/llvm-test-fixed-61207/gcc-build/i686-pc-mingw32/winsup/
mingw
-L/c/cygwin/home/jlerouge/buildbot/llvm-test-fixed-61207/gcc-build/i686-pc-mingw32/winsup/w32api/lib
-isystem
/c/cygwin/home/jlerouge/buildbot/llvm-test-fixed-gcc4.2-src/winsup/mingw/include
-isystem /c/cygwin/home/jlerouge/buildb
ot/llvm-test-fixed-gcc4.2-src/winsup/w32api/include
-Bc:/cygwin/home/jlerouge/buildbot/llvm-test-fixed-61207/i686-pc-mingw32/bin/
-Bc:/cygwin/home/jlerouge/buildbot/llvm-test-fixed-61207/i686-pc-mingw32/lib/
-isystem c:/cygwin/home/jler
ouge/buildbot/llvm-test-fixed-61207/i686-pc-mingw32/include -isystem
c:/cygwin/home/jlerouge/buildbot/llvm-test-fixed-61207/i686-pc-mingw32/sys-include
-Winvalid-pch -Wno-deprecated -x c++-header -g -O2 
-I/c/cygwin/home/jlerouge/buildb
ot/llvm-test-fixed-61207/gcc-build/i686-pc-mingw32/libstdc++-v3/include/i686-pc-mingw32
-I/c/cygwin/home/jlerouge/buildbot/llvm-test-fixed-61207/gcc-build/i686-pc-mingw32/libstdc++-v3/include
-I/c/cygwin/home/jlerouge/buildbot/llvm-test
-fixed-gcc4.2-src/libstdc++-v3/libsupc++ -O0 -g
/c/cygwin/home/jlerouge/buildbot/llvm-test-fixed-gcc4.2-src/libstdc++-v3/include/precompiled/stdc++.h
-o i686-pc-mingw32/bits/stdc++.h.gch/O0g.gch
make[4]: *** [i686-pc-mingw32/bits/stdc++.h.gch/O0g.gch] Error 1
make[4]: Leaving directory
`/c/cygwin/home/jlerouge/buildbot/llvm-test-fixed-61207/gcc-build/i686-pc-mingw32/libstdc++-v3/include'
make[3]: *** [all-recursive] Error 1
make[3]: Leaving directory
`/c/cygwin/home/jlerouge/buildbot/llvm-test-fixed-61207/gcc-build/i686-pc-mingw32/libstdc++-v3'
make[2]: *** [all] Error 2
make[2]: Leaving directory
`/c/cygwin/home/jlerouge/buildbot/llvm-test-fixed-61207/gcc-build/i686-pc-mingw32/libstdc++-v3'
make[1]: *** [all-target-libstdc++-v3] Error 2
make[1]: Leaving directory
`/c/cygwin/home/jlerouge/buildbot/llvm-test-fixed-61207/gcc-build'

SVN log:
------------------------------------------------------------------------
r61207 | dpatel | 2008-12-18 11:18:20 -0800 (Thu, 18 Dec 2008) | 3 lines
Changed paths:
   M /llvm-gcc-4.2/trunk/gcc/llvm-debug.cpp


Reuse DIType slot used for foward declaration for real definition.

------------------------------------------------------------------------

* And then, rev 61215 introduces another error, earlier in the build process:

/c/cygwin/home/jlerouge/buildbot/llvm-test-fixed-61215/gcc-build/./gcc/xgcc
-B/c/cygwin/home/jlerouge/buildbot/llvm-test-fixed-61215/gcc-build/./gcc/
-L/c/cygwin/home/jlerouge/buildbot/llvm-test-fixed-61215/gcc-build/i686-pc-mingw32/win
sup/mingw
-L/c/cygwin/home/jlerouge/buildbot/llvm-test-fixed-61215/gcc-build/i686-pc-mingw32/winsup/w32api/lib
-isystem
/c/cygwin/home/jlerouge/buildbot/llvm-test-fixed-gcc4.2-src/winsup/mingw/include
-isystem /c/cygwin/home/jlerouge/bu
ildbot/llvm-test-fixed-gcc4.2-src/winsup/w32api/include
-Bc:/cygwin/home/jlerouge/buildbot/llvm-test-fixed-61215/i686-pc-mingw32/bin/
-Bc:/cygwin/home/jlerouge/buildbot/llvm-test-fixed-61215/i686-pc-mingw32/lib/
-isystem c:/cygwin/home/
jlerouge/buildbot/llvm-test-fixed-61215/i686-pc-mingw32/include -isystem
c:/cygwin/home/jlerouge/buildbot/llvm-test-fixed-61215/i686-pc-mingw32/sys-include
-c -DHAVE_CONFIG_H -O2 -g -O2  -I.
-I../../../../llvm-test-fixed-gcc4.2-src/libi
berty/../include  -W -Wall -pedantic -Wwrite-strings -Wstrict-prototypes
-Wc++-compat ../../../../llvm-test-fixed-gcc4.2-src/libiberty/pex-win32.c -o
pex-win32.o
../../../../llvm-test-fixed-gcc4.2-src/libiberty/pex-win32.c: In function
'argv_to_cmdline':
../../../../llvm-test-fixed-gcc4.2-src/libiberty/pex-win32.c:365: warning:
request for implicit conversion from 'void *' to 'char *' not permitted in C++
../../../../llvm-test-fixed-gcc4.2-src/libiberty/pex-win32.c: In function
'find_executable':
../../../../llvm-test-fixed-gcc4.2-src/libiberty/pex-win32.c:440: warning:
request for implicit conversion from 'void *' to 'char *' not permitted in C++
../../../../llvm-test-fixed-gcc4.2-src/libiberty/pex-win32.c: In function
'win32_spawn':
../../../../llvm-test-fixed-gcc4.2-src/libiberty/pex-win32.c:566: warning:
request for implicit conversion from 'void *' to 'char **' not permitted in C++
../../../../llvm-test-fixed-gcc4.2-src/libiberty/pex-win32.c:573: warning:
request for implicit conversion from 'void *' to 'char *' not permitted in C++
../../../../llvm-test-fixed-gcc4.2-src/libiberty/pex-win32.c: At top level:
../../../../llvm-test-fixed-gcc4.2-src/libiberty/pex-win32.c:900: internal
compiler error: Segmentation fault
Please submit a full bug report,
with preprocessed source if appropriate.
See <URL:http://developer.apple.com/bugreporter> for instructions.
make[2]: *** [pex-win32.o] Error 1
make[2]: Leaving directory
`/c/cygwin/home/jlerouge/buildbot/llvm-test-fixed-61215/gcc-build/i686-pc-mingw32/libiberty'
make[1]: *** [all-target-libiberty] Error 2
make[1]: Leaving directory
`/c/cygwin/home/jlerouge/buildbot/llvm-test-fixed-61215/gcc-build'
make: *** [all] Error 2

SVN log:
------------------------------------------------------------------------
r61215 | djg | 2008-12-18 14:03:42 -0800 (Thu, 18 Dec 2008) | 3 lines
Changed paths:
   M /llvm/trunk/lib/Target/X86/X86RegisterInfo.cpp

When emitting instructions that define EFLAGS and the EFLAGS value isn't
used, mark the defs as dead.

------------------------------------------------------------------------

I believe those two problems are still there in the current 2.5 branch (as of
rev 64291).


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