[Bug bootstrap/38607] AIX error messages about TOC during build

["tammer at tammer dot net" <gcc-bugzilla at gcc dot gnu dot org>]

------- Comment #6 from tammer at tammer dot net  2008-12-24 15:45 -------
Hello,
in addition to IBM XLC/C++ V9 I have tried gcc 4.2.4 (from www.perzl.org) to
bootstrap 4.2.4. The error is always the same. The build finishes but according
to the log the libstdc++.so.6 is not OK. 

I have used the unmodified source. With the following options:

export PATH=/opt/freeware/bin:$PATH
export CONFIG_SHELL=/opt/freeware/bin/bash
export CONFIGURE_ENV_ARGS=/opt/freeware/bin/bash
export CC=gcc
export BOOT_CFLAGS="-O2 -I/opt/freeware/include"
export CFLAGS="-O2 -I/opt/freeware/include"
export CXXFLAGS="-I/opt/freeware/include"
export LIBCFLAGS="-g -O2 -I/opt/freeware/include"
export LIBCXXFLAGS="-g -O2 -I/opt/freeware/include -fno-implicit-templates"
export LDFLAGS="-L/opt/freeware/lib"

./configure \
 --with-as=/usr/bin/as \
 --with-ld=/usr/bin/ld \
 --enable-languages="c,c++,fortran" \
 --prefix=/opt/freeware \
 --enable-threads \
 --enable-version-specific-runtime-libs \
 --disable-nls \
 --enable-decimal-float=dpd \
 --host=powerpc-ibm-aix5.3.0.0

ulimit -d unlimited
ulimit -s unlimited
gmake bootstrap-lean


I see two problems:

1. substitution problem in the linker call for libstdc++.so.6,libgfortran.so.2,
libgomp.so.1,  :

... -Wl,-bnoentry ${wl}-berok

Why is ${wl} not replaced with -Wl, as for -bnoentry ??

2. TOC problem for libstdc++.so.6

ld: 0711-768 WARNING: Object
../libsupc++/.libs/libsupc++convenience.a[eh_terminate.o], section 1
, function .__cxxabiv1::__terminate(void (*)()):
        The branch at address 0x310 is not followed by a recognized no-op
        or TOC-reload instruction. The unrecognized instruction is 0x0.
ld: 0711-768 WARNING: Object
../libsupc++/.libs/libsupc++convenience.a[eh_terminate.o], section 1
, function .std::terminate():
        The branch at address 0x370 is not followed by a recognized no-op
        or TOC-reload instruction. The unrecognized instruction is 0x0.
ld: 0711-768 WARNING: Object
../libsupc++/.libs/libsupc++convenience.a[tinfo.o], section 1, funct
ion .std::type_info::~type_info():
        The branch at address 0x12a0 is not followed by a recognized no-op
        or TOC-reload instruction. The unrecognized instruction is 0x38000000.
.... 

The resulting library is not OK. This is definitely a problem.

Bye
  Rainer


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38607