enviroment:
cpu: XEON NEHALEM E5530
os: SUSE 10 SP2
gcc: 4.1.2
m4,binutils,autoconf,automake: UPDATED newest for required by gcc 4.7 build.
PATH/LD_LIBRARY_PATH set correct.
object: native optimization for gcc php httpd.
with -march=nocona -O2 -pipe -fomit-frame-pointer
gcc 4.1.2 gmp,mpfr,mpc OK
gcc 4.1.2 gcc4.7 with gmp,mpfr,mpc OK
with -march=native -O2 -pipe -fomit-frame-pointer
gcc 4.7 gmp,mpfr,mpc OK
gcc 4.7 gcc4.7 with gmp,mpfr,mpc OK
newest built gcc 4.7
gcc 4.7 ppl,cloog OK
gcc 4.7 build source tree together with gmp,mpfr,mpc,ppl,cloog
error in configure ppl because not found gmp library.
gcc 4.7 build source tree for native compile together with gmp,mpfr,mpc without ppl and cloog OK
But disable-shared added by system through checking config.log in subdirectories, though explicitly gcc 4.7 configure --enable-shared --disable-static. Configure parameters in ppl are not listed in ppl's configure help.