[cfe-dev] LLVM and Clang 3.1 on CentOS 5.6 GCC 4.4

[NAKAMURA Takumi]

Could you try to add --build=i686-redhat6E-linux in configure?

2012/8/15 Dmitri Shubin <sbn at tbricks.com>:
> On 14.08.2012 01:43, Mohamed Bana wrote:
>> Any thoughts on this?  I just need someone to confirm if they've managed to get
>> clang 3.1 working on stock CentOS 5.6 x86, and if so how they compiled clang.
> I was able to build clang 3.1 from SVN on CentOS 5.8 (x86_64) with GCC 4.4
>
> $ uname -a
> Linux sbn 2.6.18-308.8.2.el5 #1 SMP Tue Jun 12 09:58:12 EDT 2012 x86_64
> x86_64 x86_64 GNU/Linux
> $ cat /etc/redhat-release
> CentOS release 5.8 (Final)
> $ /usr/bin/gcc44 --version | head -1
> gcc44 (GCC) 4.4.6 20110731 (Red Hat 4.4.6-3)
> $ CC=/usr/bin/gcc44 CXX=/usr/bin/g++44 ../llvm/configure
> checking for C compiler default output file name... a.out
> checking whether the C compiler works... yes
> ...
> config.status: executing tools/Makefile commands
> config.status: executing tools/sample/Makefile commands
> $ make -j 8
> llvm[0]: Constructing LLVMBuild project information.
> ...
> make[1]: Leaving directory `/nfshome/sbn/src/build-clang-lin/bindings'
> llvm[0]: ***** Completed Debug+Asserts Build
> llvm[0]: ***** Note: Debug build can be 10 times slower than an
> llvm[0]: ***** optimized build. Use make ENABLE_OPTIMIZED=1 to
> llvm[0]: ***** make an optimized build. Alternatively you can
> llvm[0]: ***** configure with --enable-optimized.
> $ ./Debug+Asserts/bin/clang --version
> clang version 3.1 (branches/release_31 161861)
> Target: x86_64-unknown-linux-gnu
> Thread model: posix
>
> But I have problems when I tried to build 32-bit version:
>
> $ CC='/usr/bin/gcc44 -m32' CXX='/usr/bin/g++44 -m32' ../llvm/configure
> checking for C compiler default output file name... a.out
> ...
> config.status: executing tools/Makefile commands
> config.status: executing tools/sample/Makefile commands
> $ make -j 8
> llvm[0]: Constructing LLVMBuild project information.
> make[1]: Entering directory `/nfshome/sbn/src/build-clang-lin32/lib/Support'
> ...
>    ARCHIVE:   clang_linux/full-i386/i386:
> /nfshome/sbn/src/build-clang-lin32/tools/clang/runtime/compiler-rt/clang_linux/full-i386/i386/libcompiler_rt.a
>    ARCHIVE:   clang_linux/full-x86_64/x86_64:
> /nfshome/sbn/src/build-clang-lin32/tools/clang/runtime/compiler-rt/clang_linux/full-x86_64/x86_64/libcompiler_rt.a
>    ARCHIVE:   clang_linux/profile-i386/i386:
> /nfshome/sbn/src/build-clang-lin32/tools/clang/runtime/compiler-rt/clang_linux/profile-i386/i386/libcompiler_rt.a
>    ARCHIVE:   clang_linux/profile-x86_64/x86_64:
> /nfshome/sbn/src/build-clang-lin32/tools/clang/runtime/compiler-rt/clang_linux/profile-x86_64/x86_64/libcompiler_rt.a
>    FINAL-ARCHIVE: clang_linux/profile-i386:
> /nfshome/sbn/src/build-clang-lin32/tools/clang/runtime/compiler-rt/clang_linux/profile-i386/libcompiler_rt.a
>    FINAL-ARCHIVE: clang_linux/profile-x86_64:
> /nfshome/sbn/src/build-clang-lin32/tools/clang/runtime/compiler-rt/clang_linux/profile-x86_64/libcompiler_rt.a
>    FINAL-ARCHIVE: clang_linux/full-i386:
> /nfshome/sbn/src/build-clang-lin32/tools/clang/runtime/compiler-rt/clang_linux/full-i386/libcompiler_rt.a
>    FINAL-ARCHIVE: clang_linux/full-x86_64:
> /nfshome/sbn/src/build-clang-lin32/tools/clang/runtime/compiler-rt/clang_linux/full-x86_64/libcompiler_rt.a
>    ARCHIVE:   clang_linux/asan-x86_64/x86_64:
> /nfshome/sbn/src/build-clang-lin32/tools/clang/runtime/compiler-rt/clang_linux/asan-x86_64/x86_64/libcompiler_rt.a
>    FINAL-ARCHIVE: clang_linux/asan-x86_64:
> /nfshome/sbn/src/build-clang-lin32/tools/clang/runtime/compiler-rt/clang_linux/asan-x86_64/libcompiler_rt.a
> make[5]: Leaving directory `/nfshome/sbn/src/llvm/projects/compiler-rt'
> llvm[4]: Copying runtime library linux/profile-i386 to build dir
> llvm[4]: Copying runtime library linux/full-i386 to build dir
> llvm[4]: Copying runtime library linux/asan-i386 to build dir
> cp: cannot stat
> `/nfshome/sbn/src/build-clang-lin32/tools/clang/runtime/compiler-rt/clang_linux/asan-i386/libcompiler_rt.a':
> No such file or directory
> make[4]: ***
> [/nfshome/sbn/src/build-clang-lin32/Debug+Asserts/lib/clang/3.1/lib/linux/libclang_rt.asan-i386.a]
> Error 1
> make[4]: *** Waiting for unfinished jobs....
> rm
> /nfshome/sbn/src/build-clang-lin32/Debug+Asserts/lib/clang/3.1/lib/linux/.dir
> make[4]: Leaving directory
> `/nfshome/sbn/src/build-clang-lin32/tools/clang/runtime/compiler-rt'
> make[3]: *** [compiler-rt/.makeall] Error 2
> make[3]: Leaving directory
> `/nfshome/sbn/src/build-clang-lin32/tools/clang/runtime'
> make[2]: *** [all] Error 1
> make[2]: Leaving directory `/nfshome/sbn/src/build-clang-lin32/tools/clang'
> make[1]: *** [clang/.makeall] Error 2
> make[1]: Leaving directory `/nfshome/sbn/src/build-clang-lin32/tools'
> make: *** [all] Error 1
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