Hi, It appears that binutils ld will be changing its search behavior to more closely follow ld.so. See this post:
http://sources.redhat.com/ml/binutils/2006-02/msg00127.html It seems that rather than using the compiled in LIB_PATH that we make use of in Ch. 5 to repoint the linker to where we want, the default will be that the paths in /etc/ld.so.conf will be preferred before these. This could have a very significant effect on the build. The location of ld.so.conf (in 2.16.1) is determined by concatenating ld_sysroot and /etc/ld.so.conf in ld/ldmain.c. ld_sysroot is determined through the function get_sysroot. Here I'm guessing because I don't really understand C. It seems that if you passed --with-sysroot, then it returns this value. Otherwise, it seems to determine the value from BINDIR or TOOLBINDIR. I'm guessing that these would be /tools/bin and /tools/i686-pc-linux-gnu/bin in Ch. 5. Anyways, I think that the pass1 and 2 ld's in Ch. 5 will be looking for /tools/etc/ld.so.conf. If someone who understands C could look through the binutils source files in ld, that would be wonderful. How does this affect us? It seems that we can simplify the toolchain adjustments a bit using this behavior. Rather than building multiple ld's with different LIB_PATH's, we can simply add the relevant directories to ${sysroot}/etc/ld.so.conf. Ch. 5 Adjusting the toolchain echo '/tools/lib' > /tools/etc/ld.so.conf Ch. 6 Re-adjusting the toolchain cat > /tools/etc/ld.so.conf << "EOF" /lib /usr/lib EOF This is just speculation for now, but very intriguing nonetheless. Comments? -- Dan -- http://linuxfromscratch.org/mailman/listinfo/lfs-dev FAQ: http://www.linuxfromscratch.org/faq/ Unsubscribe: See the above information page
