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Petr Hosek f8e27b3878 [CMake] Support cross-compiling with multi-stage builds 
When using multi-stage builds, we would like support cross-compilation.
Example is 2-stage build when the first stage is compiled for host while
the second stage is compiled for the target.

Normally, the second stage would be also used for compiling runtimes,
but that's not possible when cross-compiling, so we use the first stage
compiler instead. However, we still want to use the second stage paths.
To do so, we set the -resource-dir of the first stage compiler to point
to the resource directory of the second stage.

We also need compiler tools that support the target architecture. These
tools are not guaranteed to be present on the host, but in case of
multi-stage build, we can build these tools in the first stage.

Differential Revision: https://reviews.llvm.org/D54461

llvm-svn: 347025
 		2018-11-16 04:46:48 +00:00
clang [CMake] Support cross-compiling with multi-stage builds 2018-11-16 04:46:48 +00:00
clang-tools-extra [clang-tidy] Fix reference to -[NSError init] in AvoidNSErrorInitCheck.h 2018-11-15 22:38:39 +00:00
compiler-rt [compiler-rt] Use exact spelling when building for default target 2018-11-16 04:14:23 +00:00
debuginfo-tests Set config.lit_tools_dir, which is needed by lit.llvm.initialize. 2018-11-06 21:54:27 +00:00
libclc r600: Add datalayout to image builtin implementation 2018-11-10 21:43:40 +00:00
libcxx Disable filesystem benchmark when libstdc++ doesn't support it 2018-11-15 19:53:43 +00:00
libcxxabi [CMake] Passthrough CFLAGS when checking the compiler-rt path 2018-11-14 00:09:26 +00:00
libunwind [CMake] Passthrough CFLAGS when checking the compiler-rt path 2018-11-14 00:09:26 +00:00
lld [WebAssembly] Import the stack pointer when building shared libraries 2018-11-15 18:15:54 +00:00
lldb Don't use uniform initialization syntax. 2018-11-16 03:16:27 +00:00
llgo Update copyright year to 2018. 2018-06-18 12:22:17 +00:00
llvm [CMake] Support cross-compiling with multi-stage builds 2018-11-16 04:46:48 +00:00
openmp Fix for bugzilla https://bugs.llvm.org/show_bug.cgi?id=39137. 2018-11-14 13:49:41 +00:00
parallel-libs Update copyright year to 2018. 2018-06-18 12:22:17 +00:00
polly [CMake] Fix generation of exported targets in build directory 2018-11-06 15:18:17 +00:00
README.md Update the project name in README.md 2018-10-19 00:03:01 +00:00

README.md

The LLVM Compiler Infrastructure

This directory and its subdirectories contain source code for LLVM, a toolkit for the construction of highly optimized compilers, optimizers, and runtime environments.