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Re: gcc compilation errors(c++)

To: linux-mips@linux-mips.org
Subject: Re: gcc compilation errors(c++)
From: tasos <tasoss@gmail.com>
Date: Sun, 23 Sep 2007 03:26:42 +0300
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tasos wrote:
Hello people and nice to meet you.
I need your help please.
I'm trying to build a new firmware for my router.
http://broadband.eip.siemens.ch/public/GPL_source/OSS_Component.htm
I have built binutils and now i have problems with gcc(specifically on c++).
At some point i get:

checking float.h usability... no
checking float.h presence... yes
configure: WARNING: float.h: present but cannot be compiled
configure: WARNING: float.h: check for missing prerequisite headers?
configure: WARNING: float.h: proceeding with the preprocessor's result
configure: WARNING:     ## ------------------------------------ ##
configure: WARNING:     ## Report this to bug-autoconf@gnu.org. ##
configure: WARNING:     ## ------------------------------------ ##
checking for float.h... yes
checking for endian.h... (cached) no
checking for inttypes.h... (cached) no
checking locale.h usability... no
checking locale.h presence... no
checking for locale.h... no
checking for float.h... (cached) yes
checking for stdint.h... (cached) no
checking for main in -lm... configure: error: Link tests are not allowed after GCC_NO_EXECUTABLES.
make: *** [configure-target-libstdc++-v3] Error 1

I'm using:
binutils-2.15.94.0.2.2 and gcc-3.4.2

bunzip2 -dc ../gcc-3.4.2-300-pr15526.patch.bz2 | patch -p1
bunzip2 -dc ../gcc-3.4.2-600-gcc34-arm-ldm-peephole.patch.bz2 | patch -p1
bunzip2 -dc  ../gcc-3.4.2-300-pr17541.patch.bz2 | patch -p1
bunzip2 -dc  ../gcc-3.4.2-300-pr17976.patch.bz2 | patch -p1
bunzip2 -dc  ../gcc-3.4.2-810-arm-bigendian-uclibc.patch.bz2 | patch -p1
bunzip2 -dc ../gcc-3.4.2-700-pr15068-fix.patch.bz2 | patch -p1
bunzip2 -dc ../gcc-3.4.2-402-mips-pr17770.patch.bz2 | patch -p1
bunzip2 -dc ../gcc-3.4.2-300-libstdc++-pic.patch.bz2 | patch -p1
bunzip2 -dc ../gcc-3.4.2-602-sdk-libstdc++-includes.patch.bz2 | patch -p1
bunzip2 -dc ../gcc-3.4.2-200-uclibc-locale.patch.bz2 | patch -p1
bunzip2 -dc ../gcc-3.4.2-400-mips-delay-slot.patch.bz2 | patch -p1
bunzip2 -dc ../gcc-3.4.2-100-uclibc-conf.patch.bz2 | patch -p1
bunzip2 -dc ../gcc-3.4.2-401-ppc-eabi-typo.patch.bz2 | patch -p1
bunzip2 -dc ../gcc-3.4.2-900-install-info.patch.bz2 | patch -p1
bunzip2 -dc ../gcc-3.4.2-601-gcc34-arm-ldm.patch.bz2 | patch -p1
bunzip2 -dc ../gcc-3.4.2-800-arm-bigendian.patch.bz2 | patch -p1

bunzip2 -dc ../binutils-2.15.94.0.2.2-400-mips-ELF_MAXPAGESIZE-4K.patch.bz2 | patch -p1
bunzip2 -dc ../binutils-2.15.94.0.2.2-210-cflags.patch.bz2 | patch -p1
bunzip2 -dc ../binutils-2.15.94.0.2.2-100-uclibc-conf.patch.bz2 | patch -p1 bunzip2 -dc ../binutils-2.15.94.0.2.2-320_mips_xgot_multigot_workaround.patch.bz2 | patch -p1 bunzip2 -dc ../binutils-2.15.94.0.2.2-312_check_ldrunpath_length.patch.bz2 | patch -p1 bunzip2 -dc ../binutils-2.15.94.0.2.2-306_better_file_error.patch.bz2 | patch -p1 bunzip2 -dc ../binutils-2.15.94.0.2.2-702-binutils-skip-comments.patch.bz2 | patch -p1 bunzip2 -dc ../binutils-2.15.94.0.2.2-301_ld_makefile_patch.patch.bz2 | patch -p1


./configure --target=$TARGET --prefix=$PREFIX \
 --enable-languages=c,c++ --without-headers \
 --with-gnu-ld --with-gnu-as \
 --disable-shared --disable-threads

basically i'm using the tutorial at
http://www.linux-mips.org/wiki/Toolchains

They exist in http://broadband.eip.siemens.ch/public/GPL_source/GPL_source_CL_SL_SLI_series_consumer_release.tar
so i don't find a reason not to use them.
Can you please help me?I'm the first time i'm building a kernel for another architecture.
Thank you in advance!


Some more info.
This is where i get the error

echo "$as_me:$LINENO: checking for main in -lm" >&5
echo $ECHO_N "checking for main in -lm... $ECHO_C" >&6
if test "${ac_cv_lib_m_main+set}" = set; then
 echo $ECHO_N "(cached) $ECHO_C" >&6
else
 ac_check_lib_save_LIBS=$LIBS
LIBS="-lm  $LIBS"
if test x$gcc_no_link = xyes; then
{ { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5 echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
  { (exit 1); exit 1; }; }
fi
cat >conftest.$ac_ext <<_ACEOF
#line $LINENO "configure"
/* confdefs.h.  */
_ACEOF
cat confdefs.h >>conftest.$ac_ext
cat >>conftest.$ac_ext <<_ACEOF
/* end confdefs.h.  */


and more specifically *
*if test x$gcc_no_link = xyes; then


Thanks in advance!

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