On 2015-08-03 12:35 PM, Jeffrey Walton wrote:
I have to run Windows 7 Professional 64-bit (due unforeseen
circumstances)
instead of my preferred OS, i.e. FreeBSD.
I just downloaded the Clang toolkit environment installer
(LLVM-3.8.0-r243265-win64) for Windows (from
http://www.llvm.org/builds/)
and post finishing the install found that clang++.exe refuses to
compile
even a simple C++ program (below);
int main(int argc, char* argv[]) {
return 0;
}
The error messages thrown out were (below);
clang++.exe: error: unable to execute command: program not executable
clang++.exe: error: linker command failed with exit code 1 (use -v to
see
invocation)
Before this, I tried compiling a more fleshed out program with
"includes"
and "namespaces" and "cout", etc., but then clang++.exe told me about
absence of "iostream".
Isn't "iostream" a part of "libc++"?
If yes, is there any pre-built "libc++" installable for Windows?
If not, is there any documentation which shows how to get it compiled
under
Windows?
Yeah, you need to download and build libcxx in addition to LLVM, Clang
(CFE), and Tools.
You can find libcxx at http://libcxx.llvm.org/.
Also, the Autotools/Make based stuff does not work because it does not
detect the presence of libcxx in-tree (or is it out-of-tree?). Use the
Cmake gear instead.
Ditto for LLDB if you choose to build it, too.
Thanks for the response.
Is there any documentation anywhere which would show me how to build
libc++?
Also, what should I have installed on my system other than Clang/LLVM to
be able to build libc++ itself? Haven't found any traces of Cmake on my
Windows 7 install.
~Mayuresh
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