Add build cleanup and GCC specs editing notes.

1 files changed, 20 insertions, 3 deletions

diff --git a/bootstrap-system-build-procedure.txt b/bootstrap-system-build-procedure.txt
index b21cdd2..9844385 100644
--- a/bootstrap-system-build-procedure.txt
+++ b/bootstrap-system-build-procedure.txt
@@ -83,9 +83,10 @@ Configure and build a cross-compiling GNU Binutils.
   > ;;
   > esac
   $ make install
+  $ cd ..
+  $ rm -Rf binutils-build
 
 Configure and build a cross-compiling GCC.
-  $ cd ..
   $ mv gmp-5.0.2/ gcc-4.6.2/gmp
   $ mv mpfr-3.1.0/ gcc-4.6.2/mpfr
   $ mv mpc-0.9/ gcc-4.6.2/mpc
@@ -101,15 +102,17 @@ Configure and build a cross-compiling GCC.
   $ make install
   $ ln -sv libgcc.a $(${BBLL_TARGET}-gcc -print-libgcc-file-name | \
   > sed 's/libgcc/&_eh/')
+  $ cd ..
+  $ rm -Rf gcc-build
 
 Install Linux's headers for use by EGLIBC.
-  $ cd ../linux-3.1.6 
+  $ cd linux-3.1.6 
   $ make mrproper
   $ make headers_check
   $ make INSTALL_HDR_PATH=/tools/usr headers_install
+  $ cd .. 
 
 Configure and build a cross-compiling EGLIBC.
-  $ cd .. 
   $ mkdir eglibc-build
   $ cd eglibc-build
   $ case $(uname -m) in
@@ -123,3 +126,17 @@ Configure and build a cross-compiling EGLIBC.
   > libc_cv_forced_unwind=yes libc_cv_c_cleanup=yes libc_cv_ssp=no
   $ make -j 4
   $ make install
+  $ cd .. 
+  $ rm -Rf eglibc-build
+
+Edit GCC's specs file to point to the newly-compiled dynamic linker instead of
+the host system's dynamic linker, then build a test program to make sure
+everything works.
+  $ SPECS=$(dirname $(${BBLL_TARGET}-gcc -print-libgcc-file-name))/specs
+  $ ${BBLL_TARGET}-gcc -dumpspecs | sed -e 's@/lib\(64\)\?/ld@/tools/usr&@g' \
+  > -e '/^\*cpp:$/{n;s,$, -isystem /tools/usr/include,}' > ${SPECS}
+  $ unset SPECS
+  $ echo 'int main(){return 0;}' > test.c
+  $ ${BBLL_TARGET}-gcc -B/tools/usr/lib test.c
+  $ readelf -l a.out | grep ': /tools/usr'
+  $ rm -v test.c a.out