[LLVMbugs] [Bug 18531] New: LLVM fails to build with MinGW (gcc 4.8.1) - error: unknown type name 'off_t'

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=18531

            Bug ID: 18531
           Summary: LLVM fails to build with MinGW (gcc 4.8.1) - error:
                    unknown type name 'off_t'
           Product: Build scripts
           Version: trunk
          Hardware: PC
                OS: Windows XP
            Status: NEW
          Severity: normal
          Priority: P
         Component: Makefiles
          Assignee: unassignedbugs at nondot.org
          Reporter: federico.aponte at gmail.com
                CC: llvmbugs at cs.uiuc.edu
    Classification: Unclassified

While building LLVM with MinGW I get the following error.


llvm[2]: ======= Finished Linking Release Executable yaml2obj (without symbols)
make[2]: Leaving directory `/d/federico/LLVM/trunk/build/tools/yaml2obj'
make[2]: Entering directory `/d/federico/LLVM/trunk/build/tools/llvm-c-test'
llvm[2]: Compiling calc.c for Release build
llvm[2]: Compiling disassemble.c for Release build
llvm[2]: Compiling helpers.c for Release build
llvm[2]: Compiling include-all.c for Release build
In file included from
d:/federico/LLVM/trunk/llvm/tools/llvm-c-test/include-all.
c:33:0:
d:/federico/LLVM/trunk/llvm/include/llvm-c/lto.h:195:54: error: unknown type
nam
e 'off_t'
                                     size_t map_size, off_t offset);
                                                      ^
/bin/rm: cannot lstat
`/d/federico/LLVM/trunk/build/tools/llvm-c-test/Release/in
clude-all.d.tmp': No such file or directory
make[2]: ***
[/d/federico/LLVM/trunk/build/tools/llvm-c-test/Release/include-all
.o] Error 1
make[2]: Leaving directory `/d/federico/LLVM/trunk/build/tools/llvm-c-test'
make[1]: *** [llvm-c-test/.makeall] Error 2
make[1]: Leaving directory `/d/federico/LLVM/trunk/build/tools'
make: *** [all] Error 1


The problem appeared after moving to the latest version of MinGW that has GCC
4.8.1. The preliminary configuration script has run with no issues (from the
build directory ../llvm/configure).

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