[cfe-dev] Issue with cross compiling

ryan baird ryanrbaird at gmail.com
Fri Jun 1 11:54:57 PDT 2012

I'm new to llvm, and I'm trying to use clang and llc to generate mips32
assembly.  I just built the project on my computer and tried to compile a
simple C file:

#include <stdio.h>
int main() {

I trid to run clang with the following arguments, which I was previously
using on a machine that already had the llvm environment:
 clang -v
-mfloat-abi=hard -ccc-host-triple mipsel-unknown-linux -ccc-clang-archs
mipsel -S -emit-llvm $1 -o "$NAME.ll"

However, I got the following error:

clang version 3.1 (tags/RELEASE_31/final 157818)
Target: mipsel-unknown-linux
Thread model: posix
 "/home/ryan/llvm/build/R31/Debug+Asserts/bin/clang" -cc1 -triple
mipsel-unknown-linux -emit-llvm -disable-free -main-file-name hello.c
-mrelocation-model static -mdisable-fp-elim -mconstructor-aliases
-target-cpu mips32 -target-abi o32 -mfloat-abi hard -target-linker-version -momit-leaf-frame-pointer -v -coverage-file hello.ll
-resource-dir /home/ryan/llvm/build/R31/Debug+Asserts/bin/../lib/clang/3.1
-fmodule-cache-path /var/tmp/clang-module-cache -internal-isystem
/usr/local/include -internal-isystem
-internal-externc-isystem /include -internal-externc-isystem /usr/include
-fno-dwarf-directory-asm -fdebug-compilation-dir
/home/ryan/llvm/build/R31/tests -ferror-limit 19 -fmessage-length 80
-mstackrealign -fgnu-runtime -fobjc-runtime-has-arc -fobjc-runtime-has-weak
-fobjc-fragile-abi -fdiagnostics-show-option -fcolor-diagnostics -o
hello.ll -x c hello.c
clang -cc1 version 3.1 based upon LLVM 3.1 default target
ignoring nonexistent directory "/include"
#include "..." search starts here:
#include <...> search starts here:
End of search list.
In file included from hello.c:1:
In file included from /usr/include/stdio.h:28:
In file included from /usr/include/features.h:385:
*/usr/include/gnu/stubs.h:7:11: fatal error: 'gnu/stubs-32.h' file not found
# include <gnu/stubs-32.h>

I'm trying to figure out how to solve this problem; there seems to be a
stubs-32.h file in another location:
Is there something wrong with my installation of llvm & clang, or is there
another package I need to install on my computer?
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