[LLVMdev] [PATCH] Use GCC_INSTALL_PREFIX for rpath if set.

[Rafael Espíndola]

On 29 May 2014 18:37, Russell Harmon <eatnumber1 at google.com> wrote:
> This way, an LLVM compiled after setting GCC_INSTALL_PREFIX will work correctly
> if you don't want to install LLVM into the GCC_INSTALL_PREFIX.
> ---
>  CMakeLists.txt | 7 ++++++-
>  1 file changed, 6 insertions(+), 1 deletion(-)
>
> diff --git a/CMakeLists.txt b/CMakeLists.txt
> index 9ec3e33..c85a028 100644
> --- a/CMakeLists.txt
> +++ b/CMakeLists.txt
> @@ -450,7 +450,12 @@ if (APPLE)
>    set(CMAKE_INSTALL_RPATH "@executable_path/../lib")
>  else(UNIX)
>    if(NOT DEFINED CMAKE_INSTALL_RPATH)
> -    set(CMAKE_INSTALL_RPATH "\$ORIGIN/../lib")

I do depend on $ORIGIN/../lib.

This makes sure that a shared build of llvm find the correct libraries
both in the build and the install directory. It also means that the
install directory is relocatable.

Cheers,
Rafael