Hello,

I have tried to build first 5.1 and then 5.2rc0 on an Dell E5500 laptop 
running a brand new ubuntu. Both fails in the same way ; here below is a 
small excerpt of the log.

What should I do ?

Thanks for your help

Frederic

configure: creating ./config.status
config.status: creating Makefile
config.status: executing default commands
make[5]: entrant dans le répertoire « 
/home/chapoton/sage-5.2.rc0/spkg/build/gcc-4.6.3/gcc-build/x86_64-unknown-linux-gnu/libgcc
 
»
# If this is the top-level multilib, build all the other
# multilibs.
/home/chapoton/sage-5.2.rc0/spkg/build/gcc-4.6.3/gcc-build/./gcc/xgcc 
-B/home/chapoton/sage-5.2.rc0/spkg/build/gcc-4.6.3/gcc-build/./gcc/ 
-B/home/chapoton/sage-5.2.rc0/local/x86_64-unknown-linux-gnu/bin/ 
-B/home/chapoton/sage-5.2.rc0/local/x86_64-unknown-linux-gnu/lib/ -isystem 
/home/chapoton/sage-5.2.rc0/local/x86_64-unknown-linux-gnu/include -isystem 
/home/chapoton/sage-5.2.rc0/local/x86_64-unknown-linux-gnu/sys-include   
 -g -O2 -O2  -g -O2 -DIN_GCC   -W -Wall -Wwrite-strings -Wcast-qual 
-Wstrict-prototypes -Wmissing-prototypes -Wold-style-definition  -isystem 
./include  -fPIC -g -DHAVE_GTHR_DEFAULT -DIN_LIBGCC2 
-D__GCC_FLOAT_NOT_NEEDED -fno-stack-protector   -I. -I. -I../.././gcc 
-I../../../src/libgcc -I../../../src/libgcc/. -I../../../src/libgcc/../gcc 
-I../../../src/libgcc/../include -I../../../src/libgcc/config/libbid 
-DENABLE_DECIMAL_BID_FORMAT -DHAVE_CC_TLS  -DUSE_TLS -o _muldi3.o -MT 
_muldi3.o -MD -MP -MF _muldi3.dep -DL_muldi3 -c 
../../../src/libgcc/../gcc/libgcc2.c \
  -fvisibility=hidden -DHIDE_EXPORTS
In file included from /usr/include/stdio.h:28:0,
                 from ../../../src/libgcc/../gcc/tsystem.h:87,
                 from ../../../src/libgcc/../gcc/libgcc2.c:29:
/usr/include/features.h:324:26: fatal error: bits/predefs.h : Aucun fichier 
ou dossier de ce type
compilation terminated.
make[5]: *** [_muldi3.o] Erreur 1
make[5]: quittant le répertoire « 
/home/chapoton/sage-5.2.rc0/spkg/build/gcc-4.6.3/gcc-build/x86_64-unknown-linux-gnu/libgcc
 
»
make[4]: *** [all-stage1-target-libgcc] Erreur 2
make[4]: quittant le répertoire « 
/home/chapoton/sage-5.2.rc0/spkg/build/gcc-4.6.3/gcc-build »
make[3]: *** [stage1-bubble] Erreur 2
make[3]: quittant le répertoire « 
/home/chapoton/sage-5.2.rc0/spkg/build/gcc-4.6.3/gcc-build »
make[2]: *** [all] Erreur 2
make[2]: quittant le répertoire « 
/home/chapoton/sage-5.2.rc0/spkg/build/gcc-4.6.3/gcc-build »

real 4m31.662s
user 3m29.221s
sys 0m30.554s
************************************************************************
Error installing package gcc-4.6.3
************************************************************************

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