[cfe-dev] build broken?

[Eli Friedman]

On Tue, Jan 3, 2012 at 9:51 AM, Robert Anderson
<rwa at alumni.princeton.edu> wrote:
>
> Following the instructions at:
>
> http://clang.llvm.org/get_started.html
>
> I errored out with:
>
> make[2]: Leaving directory `/home/me/test-llvm/build/utils/llvm-lit'
> llvm[2]: Compiling AsmWriterEmitter.cpp for Debug+Asserts build
> /home/me/test-llvm/build/Debug+Asserts/lib/libLLVMSupport.a(regerror.o): In
> function `gnu_dev_major':
> /usr/include/sys/sysmacros.h:43: multiple definition of `gnu_dev_major'
> /home/me/test-llvm/build/Debug+Asserts/lib/libLLVMSupport.a(regcomp.o):/usr/include/sys/sysmacros.h:43:
> first defined here
> /home/me/test-llvm/build/Debug+Asserts/lib/libLLVMSupport.a(regerror.o): In
> function `gnu_dev_makedev':
> /usr/include/sys/sysmacros.h:55: multiple definition of `gnu_dev_makedev'
> /home/me/test-llvm/build/Debug+Asserts/lib/libLLVMSupport.a(regcomp.o):/usr/include/sys/sysmacros.h:55:
> first defined here
> /home/me/test-llvm/build/Debug+Asserts/lib/libLLVMSupport.a(regerror.o): In
> function `gnu_dev_minor':
> /usr/include/sys/sysmacros.h:49: multiple definition of `gnu_dev_minor'
> /home/me/test-llvm/build/Debug+Asserts/lib/libLLVMSupport.a(regcomp.o):/usr/include/sys/sysmacros.h:49:
> first defined here
> /home/me/test-llvm/build/Debug+Asserts/lib/libLLVMSupport.a(regexec.o): In
> function `gnu_dev_major':
> /usr/include/sys/sysmacros.h:43: multiple definition of `gnu_dev_major'
> /home/me/test-llvm/build/Debug+Asserts/lib/libLLVMSupport.a(regcomp.o):/usr/include/sys/sysmacros.h:43:
> first defined here
> /home/me/test-llvm/build/Debug+Asserts/lib/libLLVMSupport.a(regexec.o): In
> function `gnu_dev_makedev':
> /usr/include/sys/sysmacros.h:55: multiple definition of `gnu_dev_makedev'
> /home/me/test-llvm/build/Debug+Asserts/lib/libLLVMSupport.a(regcomp.o):/usr/include/sys/sysmacros.h:55:
> first defined here
> /home/me/test-llvm/build/Debug+Asserts/lib/libLLVMSupport.a(regexec.o): In
> function `gnu_dev_minor':
> /usr/include/sys/sysmacros.h:49: multiple definition of `gnu_dev_minor'
> /home/me/test-llvm/build/Debug+Asserts/lib/libLLVMSupport.a(regcomp.o):/usr/include/sys/sysmacros.h:49:
> first defined here
> /home/me/test-llvm/build/Debug+Asserts/lib/libLLVMSupport.a(regfree.o): In
> function `gnu_dev_major':
> /usr/include/sys/sysmacros.h:43: multiple definition of `gnu_dev_major'
> /home/me/test-llvm/build/Debug+Asserts/lib/libLLVMSupport.a(regcomp.o):/usr/include/sys/sysmacros.h:43:
> first defined here
> /home/me/test-llvm/build/Debug+Asserts/lib/libLLVMSupport.a(regfree.o): In
> function `gnu_dev_makedev':
> /usr/include/sys/sysmacros.h:55: multiple definition of `gnu_dev_makedev'
> /home/me/test-llvm/build/Debug+Asserts/lib/libLLVMSupport.a(regcomp.o):/usr/include/sys/sysmacros.h:55:
> first defined here
> /home/me/test-llvm/build/Debug+Asserts/lib/libLLVMSupport.a(regfree.o): In
> function `gnu_dev_minor':
> /usr/include/sys/sysmacros.h:49: multiple definition of `gnu_dev_minor'
> /home/me/test-llvm/build/Debug+Asserts/lib/libLLVMSupport.a(regcomp.o):/usr/include/sys/sysmacros.h:49:
> first defined here
> /home/me/test-llvm/build/Debug+Asserts/lib/libLLVMSupport.a(regstrlcpy.o):
> In function `gnu_dev_major':
> /usr/include/sys/sysmacros.h:43: multiple definition of `gnu_dev_major'
> /home/me/test-llvm/build/Debug+Asserts/lib/libLLVMSupport.a(regcomp.o):/usr/include/sys/sysmacros.h:43:
> first defined here
> /home/me/test-llvm/build/Debug+Asserts/lib/libLLVMSupport.a(regstrlcpy.o):
> In function `gnu_dev_makedev':
> /usr/include/sys/sysmacros.h:55: multiple definition of `gnu_dev_makedev'
> /home/me/test-llvm/build/Debug+Asserts/lib/libLLVMSupport.a(regcomp.o):/usr/include/sys/sysmacros.h:55:
> first defined here
> /home/me/test-llvm/build/Debug+Asserts/lib/libLLVMSupport.a(regstrlcpy.o):
> In function `gnu_dev_minor':
> /usr/include/sys/sysmacros.h:49: multiple definition of `gnu_dev_minor'
> /home/me/test-llvm/build/Debug+Asserts/lib/libLLVMSupport.a(regcomp.o):/usr/include/sys/sysmacros.h:49:
> first defined here
> clang: error: linker command failed with exit code 1 (use -v to see
> invocation)
> make[2]: *** [/home/me/test-llvm/build/Debug+Asserts/bin/FileCheck] Error 1
> make[2]: Leaving directory `/home/me/test-llvm/build/utils/FileCheck'
> make[1]: *** [FileCheck/.makeall] Error 2
> make[1]: *** Waiting for unfinished jobs....
>
> I've tried to build over the past couple weeks several times, thinking that
> there was just a temporary glitch in the trunk, but it seems to fail (and
> fail differently), each time I try.  I was able to build using cmake, so it
> seems like maybe the configure/make infrastructure is falling out of date.
> Since that's the recommended method on the getting started page, I thought
> I'd notify the list.  Also, I'm much more comfortable with configure than
> cmake, so it would be nice if that worked.

One thing to try with weird compile errors on Linux is to specify
CC=gcc CXX=g++ ; clang will prefer to build with clang, and subtly
broken clang packages are not uncommon on Linux.

-Eli