------- Comment #2 from bdubbs at linuxfromscratch dot org 2010-05-14 21:27
-------
OK, these are my procedures:
svn co svn://gcc.gnu.org/svn/gcc/branches/gcc-4_5-branch gcc45-svn
(revision 159398)
cd gcc45-svn
sed -i 's/install_to_$(INSTALL_DEST) //' libiberty/Makefile.in
sed -i 's...@\./fixinc\...@-c true@' gcc/Makefile.in
mkdir ../gcc-build
cd ../gcc-build
../gcc45-svn/configure \
--prefix=/usr \
--libexecdir=/usr/lib \
--enable-shared \
--enable-threads=posix \
--enable-__cxa_atexit \
--disable-multilib \
--enable-bootstrap \
--enable-clocale=gnu \
--enable-languages=c,c++
make bootstrap
make -k check
../gcc45-svn/contrib/test_summary
Native configuration is x86_64-unknown-linux-gnu
=== g++ tests ===
Running target unix
=== g++ Summary ===
# of expected passes 21906
# of expected failures 149
# of unsupported tests 269
=== gcc tests ===
Running target unix
FAIL: gcc.c-torture/compile/limits-exprparen.c -O0 (test for excess errors)
FAIL: gcc.c-torture/compile/limits-exprparen.c -O1 (test for excess errors)
FAIL: gcc.c-torture/compile/limits-exprparen.c -O2 (test for excess errors)
FAIL: gcc.c-torture/compile/limits-exprparen.c -O3 -fomit-frame-pointer (test
for excess errors)
FAIL: gcc.c-torture/compile/limits-exprparen.c -O3 -g (test for excess
errors)
FAIL: gcc.c-torture/compile/limits-exprparen.c -Os (test for excess errors)
=== gcc Summary ===
# of expected passes 61141
# of unexpected failures 6
# of expected failures 168
# of unsupported tests 826
Running target unix
=== libgomp Summary ===
# of expected passes 1029
=== libmudflap tests ===
Running target unix
FAIL: libmudflap.c/fail31-frag.c (-O3) output pattern test
FAIL: libmudflap.c/pass45-frag.c (-O3) execution test
FAIL: libmudflap.c/pass45-frag.c (-O3) output pattern test
FAIL: libmudflap.c/pass45-frag.c (-O3) execution test
FAIL: libmudflap.c/pass45-frag.c (-O3) output pattern test
FAIL: libmudflap.c++/pass41-frag.cxx execution test
FAIL: libmudflap.c++/pass41-frag.cxx (-static) execution test
FAIL: libmudflap.c++/pass41-frag.cxx ( -O) execution test
FAIL: libmudflap.c++/pass41-frag.cxx (-O2) execution test
FAIL: libmudflap.c++/pass41-frag.cxx (-O3) execution test
=== libmudflap Summary ===
# of expected passes 1884
# of unexpected failures 10
=== libstdc++ tests ===
Running target unix
=== libstdc++ Summary ===
# of expected passes 7065
# of expected failures 95
# of unsupported tests 339
make install
gcc --version
gcc (GCC) 4.5.1 20100514 (prerelease)
cd /sources/linux-2.6.33.4
make menuconfig
# KBUILD_CFLAGS += -Os
make
make modules_install
cp arch/x86/boot/bzImage /boot/linux-test
reboot
Hand Copied:
init[1] segfault at ffffffff810099bd ip ffffffff810088bd sp
--------- error 15
kernel panic - not syncing: Attempted to kill init!
Pid: 1,comm: init not tainted 2.6.33.4-lfs66
Call Trace:
[<ffffffff81------>] panic
[<ffffffff81------>] ? get_current_tty
[<ffffffff81------>] do_exit
[<ffffffff81------>] do_group_exit
[<ffffffff81------>] get_signal_to_deliver
[<ffffffff81------>] do_signal
[<ffffffff81------>] ? printk
[<ffffffff81------>] ? rdtsc_barrier
[<ffffffff81------>] ? printk
[<ffffffff81------>] ? __bad_area_nosemaphore
[<ffffffff81------>] ? rdtsc_barrier
[<ffffffff81------>] do_notify_resume
[<ffffffff81------>] retint_signal
[<ffffffff81------>] ? rdtsc_barrier
---------
Changing back to not optimize for size results in a bootable kernel.
Also, every package on the boot partition was built with gcc-4.5.0. Evidently
none of the other core packages tries to optimize for size.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44129
