[llvm-commits] [PATCH] fix compiling llvm-gcc against installed llvm, tested with rev 89457

[Mikael Lepistö]

Hi,

I sent this patch two weeks ago and I didn't see any comments about it.

Short summary about changes:

Patch allows compiling llvm-gcc against any installation, as long as  
llvm-config --includedir and llvm-config --libdir points to correct  
places.

llvm-config returns always correct values for those switches it does  
not matter if we ran it from object or installation directory. e.g.  
when llvm-config is ran in objdir, it points to obj and src dir  
locations if it's ran from installation path, it returns paths of  
installed includes and libraries.

- Mikael

On 21.11.2009, at 0:04, Mikael Lepistö wrote:

> Hi,
>
> Here is patch again (I sent this also few weeks ago) for allowing  
> compilation of llvm-gcc against llvm installation directory. For  
> some reason it never got applied during llvm-2.6 release hurries.
>
> Before patch compiling llvm-gcc against llvm worked only if llvm  
> includes and libs were installed in same prefix. However e.g. in  
> debian deb packages have includes and libs installed in different  
> prefix.
>
> Patch allows compiling llvm-gcc against any installation, as long as  
> llvm-config --includedir and llvm-config --libdir points to correct  
> places.
>
> I tried that after patch building llvm-gcc still works:
> against llvm install directory
> against llvm objdir when objdir == srcdir
> against llvm objdir when objdir != srcdir
>
> I also tested building llvm-gcc without enable-llvm.
>
> Mikael Lepistö
>
> <building-llvm-gcc-towards-installed-llvm-directory.patch>
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