Thanks for the hint, Devang. On Jul 6, 2007, at 7:26 PM, Devang Patel wrote:> You need to build darwin driver to use -arch. Try using build_gcc > script to configure and build llvm-gcc.Well, I guess this task exceeds my expertise. I just thought there was some obvious mistake I made because a lot of people might be using llvm-gcc4 as a drop-in to Apple's gcc to build multi- architecture binaries. I'll have a look at build_gcc, maybe I can figure this out. I guess that in future versions of the front-end binary releases for Mac OS X this problem won't exist anymore. Kind regards.
On Wed, 11 Jul 2007, Leo Fink wrote:>> You need to build darwin driver to use -arch. Try using build_gcc >> script to configure and build llvm-gcc. > > Well, I guess this task exceeds my expertise. I just thought there > was some obvious mistake I made because a lot of people might be > using llvm-gcc4 as a drop-in to Apple's gcc to build multi- > architecture binaries.Leo, don't feel bad. The process to get an "apple-style" build working takes a liberal amount of black magic. Devang, Bill, Dale, do you guys happen to know how to run build_gcc without the buildit script driving it? -Chris -- http://nondot.org/sabre/ http://llvm.org/
On Jul 10, 2007, at 10:41 PM, Chris Lattner wrote:> On Wed, 11 Jul 2007, Leo Fink wrote: >>> You need to build darwin driver to use -arch. Try using build_gcc >>> script to configure and build llvm-gcc. >> >> Well, I guess this task exceeds my expertise. I just thought there >> was some obvious mistake I made because a lot of people might be >> using llvm-gcc4 as a drop-in to Apple's gcc to build multi- >> architecture binaries. > > Leo, don't feel bad. The process to get an "apple-style" build > working > takes a liberal amount of black magic. > > Devang, Bill, Dale, do you guys happen to know how to run build_gcc > without the buildit script driving it? >No. I never looked at the buildit script. There be dragons there! The build_gcc script could be scoured to look for how it uses the - arch stuff. From what I've seen as the build goes by on the screen, it builds llvm-gcc 4 times and then applies some magic afterwards to make it "universal." Search for "lipo" in build_gcc for more info. -bw
On Jul 10, 2007, at 10:41 PM, Chris Lattner wrote:> On Wed, 11 Jul 2007, Leo Fink wrote: >>> You need to build darwin driver to use -arch. Try using build_gcc >>> script to configure and build llvm-gcc. >> >> Well, I guess this task exceeds my expertise. I just thought there >> was some obvious mistake I made because a lot of people might be >> using llvm-gcc4 as a drop-in to Apple's gcc to build multi- >> architecture binaries. > > Leo, don't feel bad. The process to get an "apple-style" build > working > takes a liberal amount of black magic. > > Devang, Bill, Dale, do you guys happen to know how to run build_gcc > without the buildit script driving it?Yes, it is simple. All buildit does is invoke GNUMakefile from top level directory after setting appropriate variables. buildit does not know anythig about build_gcc. It can not afford to learn build_gcc magic, because it is a single interface to build all kind of projects in the world. GNUMakefile inovkes build_gcc. It should be easier to understand build_gcc parameters from GNUMakefile. First and second build_gcc parameters, $(RC_ARCHS) and $(TARGETS), sets host and target for build_gcc. All other variables set by buildit and interpreted by GNUMMakefile are easy to understand based on their name. - Devang