[cfe-users] How to use clang post compilation from source?

[Dipanjan Das via cfe-users]

Hi People,

I have downloaded [LLVM 3.6
<http://llvm.org/releases/3.6.0/llvm-3.6.0.src.tar.xz>] + [CFE
<http://llvm.org/releases/3.6.0/cfe-3.6.0.src.tar.xz>] + [Compiler-RT
<http://llvm.org/releases/3.6.0/compiler-rt-3.6.0.src.tar.xz>]. Post
compilation, below are the list of executables generated:

llvm-3.6.0/build/bin
--------------------

    -rwxrwxr-x 1 dipanjan dipanjan 51113672 Aug  4 15:25 arcmt-test
    -rwxrwxr-x 1 dipanjan dipanjan 36545319 Aug  4 14:25 bugpoint
    -rwxrwxr-x 1 dipanjan dipanjan    13710 Aug  4 15:25 c-arcmt-test
    -rwxrwxr-x 1 dipanjan dipanjan   124687 Aug  4 15:25 c-index-test
    -rwxrwxrwx 1 dipanjan dipanjan        0 Aug  4 15:02 clang-3.6
    -rwxrwxr-x 1 dipanjan dipanjan 51741074 Aug  4 15:25 clang-check
    -rwxrwxr-x 1 dipanjan dipanjan  3945674 Aug  4 15:23 clang-format
    -rwxrwxr-x 1 dipanjan dipanjan  2776541 Aug  4 14:27 clang-tblgen
    -rwxrwxr-x 1 dipanjan dipanjan     8809 Aug  4 14:18 count
    -rwxrwxr-x 1 dipanjan dipanjan  5951029 Aug  4 15:02 diagtool
    -rwxrwxr-x 1 dipanjan dipanjan   892952 Aug  4 14:18 FileCheck
    -rwxrwxr-x 1 dipanjan dipanjan 66957023 Aug  4 14:22 llc
    -rwxrwxr-x 1 dipanjan dipanjan 42129985 Aug  4 14:23 lli
    -rwxrwxr-x 1 dipanjan dipanjan   384911 Aug  4 14:23 lli-child-target
    -rwxrwxr-x 1 dipanjan dipanjan 16546687 Aug  4 14:22 llvm-ar
    -rwxrwxr-x 1 dipanjan dipanjan  5769950 Aug  4 14:22 llvm-as
    -rwxrwxr-x 1 dipanjan dipanjan   780247 Aug  4 14:25 llvm-bcanalyzer
    -rwxrwxr-x 1 dipanjan dipanjan   467751 Aug  4 14:21 llvm-config
    -rwxrwxr-x 1 dipanjan dipanjan  2608867 Aug  4 14:23 llvm-cov
    -rwxrwxr-x 1 dipanjan dipanjan 48917700 Aug  4 14:26 llvm-c-test
    -rwxrwxr-x 1 dipanjan dipanjan  5504873 Aug  4 14:23 llvm-diff
    -rwxrwxr-x 1 dipanjan dipanjan  4831508 Aug  4 14:22 llvm-dis
    -rwxrwxr-x 1 dipanjan dipanjan  1701984 Aug  4 14:24 llvm-dsymutil
    -rwxrwxr-x 1 dipanjan dipanjan  2442042 Aug  4 14:24 llvm-dwarfdump
    -rwxrwxr-x 1 dipanjan dipanjan  6439822 Aug  4 14:23 llvm-extract
    -rwxrwxr-x 1 dipanjan dipanjan  6678768 Aug  4 14:23 llvm-link
    -rwxr-x--- 1 dipanjan dipanjan     1704 Aug  4 13:36 llvm-lit
    -rwxrwxr-x 1 dipanjan dipanjan 56954541 Aug  4 14:27 llvm-lto
    -rwxrwxr-x 1 dipanjan dipanjan 14644360 Aug  4 14:22 llvm-mc
    -rwxrwxr-x 1 dipanjan dipanjan   665654 Aug  4 14:25 llvm-mcmarkup
    -rwxrwxr-x 1 dipanjan dipanjan 16587218 Aug  4 14:23 llvm-nm
    -rwxrwxr-x 1 dipanjan dipanjan 20046537 Aug  4 14:24 llvm-objdump
    -rwxrwxr-x 1 dipanjan dipanjan    36311 Aug  4 14:18 llvm-PerfectShuffle
    -rwxrwxr-x 1 dipanjan dipanjan  2968803 Aug  4 14:23 llvm-profdata
    lrwxrwxrwx 1 dipanjan dipanjan        7 Aug  4 14:22 llvm-ranlib ->
llvm-ar
    -rwxrwxr-x 1 dipanjan dipanjan  7230376 Aug  4 14:24 llvm-readobj
    -rwxrwxr-x 1 dipanjan dipanjan 13489409 Aug  4 14:24 llvm-rtdyld
    -rwxrwxr-x 1 dipanjan dipanjan  6594901 Aug  4 14:23 llvm-size
    -rwxrwxr-x 1 dipanjan dipanjan  7009337 Aug  4 14:25 llvm-stress
    -rwxrwxr-x 1 dipanjan dipanjan  7535042 Aug  4 14:25 llvm-symbolizer
    -rwxrwxr-x 1 dipanjan dipanjan  7133647 Aug  4 13:38 llvm-tblgen
    -rwxrwxr-x 1 dipanjan dipanjan  6788419 Aug  4 14:24 llvm-vtabledump
    -rwxrwxr-x 1 dipanjan dipanjan  6458851 Aug  4 14:24 macho-dump
    -rwxrwxr-x 1 dipanjan dipanjan   399734 Aug  4 14:18 not
    -rwxrwxr-x 1 dipanjan dipanjan  7013768 Aug  4 14:26 obj2yaml
    -rwxrwxr-x 1 dipanjan dipanjan 75706398 Aug  4 14:22 opt
    -rwxrwxr-x 1 dipanjan dipanjan  6443534 Aug  4 14:25 verify-uselistorder
    -rwxrwxr-x 1 dipanjan dipanjan  1633631 Aug  4 14:26 yaml2obj
    -rwxrwxr-x 1 dipanjan dipanjan   830293 Aug  4 14:18 yaml-bench

My question is: The file `llvm-3.6.0/build/bin/clang-3.6` is a zero-byte
file. How can I use `clang` in case of `llvm-3.x` even?
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