Hello, I am compiling GCC-4.0.1 with the following :
../gcc-4.0.1/configure --enable-tree-browser=yes --prefix=/home/jiang/DEV/gcc-dev/trunk/install --enable-languages=c,c++ --enable-maintainer-mode=yes After a while I got the following errors with : Adding multilib support to Makefile in ../../../gcc-4.0.1/libmudflap multidirs= with_multisubdir= config.status: executing depfiles commands make[1]: Entering directory `/home/jiang/DEV/gcc-dev/trunk/obj/i686-pc-linux-gnu /libmudflap' cd ../../../gcc-4.0.1/libmudflap && /bin/sh /home/jiang/DEV/gcc-dev/trunk/gcc-4. 0.1/missing --run aclocal-1.9 -I .. -I ../config cd ../../../gcc-4.0.1/libmudflap && /bin/sh /home/jiang/DEV/gcc-dev/trunk/gcc-4 .0.1/missing --run automake-1.9 --foreign cd ../../../gcc-4.0.1/libmudflap && /bin/sh /home/jiang/DEV/gcc-dev/trunk/gcc-4. 0.1/missing --run autoconf /bin/sh ./config.status --recheck running /bin/sh /home/jiang/DEV/gcc-dev/trunk/gcc-4.0.1/libmudflap/configure -- cache-file=./config.cache --host=i686-pc-linux-gnu --build=i686-pc-linux-gnu --e nable-multilib --enable-tree-browser=yes --prefix=/home/jiang/DEV/gcc-dev/trunk/ install --with-cflags=-g3 -O0 --enable-maintainer-mode=yes --with-gcc-version-tr igger=/home/jiang/DEV/gcc-dev/trunk/gcc-4.0.1/gcc/version.c --enable-languages=c ,c++ --program-transform-name=s,y,y, --srcdir=../../../gcc-4.0.1/libmudflap --wi th-target-subdir=i686-pc-linux-gnu CPPFLAGS= build_alias=i686-pc-linux-gnu host_ alias=i686-pc-linux-gnu --no-create --no-recursion configure: loading cache ./config.cache configure: error: `target_alias' was not set in the previous run configure: error: changes in the environment can compromise the build configure: error: run `make distclean' and/or `rm ./config.cache' and start over make[1]: *** [config.status] Error 1 make[1]: Leaving directory `/home/jiang/DEV/gcc-dev/trunk/obj/i686-pc-linux-gnu/ libmudflap' make: *** [all-target-libmudflap] Error 2 Any suggestions? -Jiang