I'm receiving the following error when compiling GCC 4.8.2 on a redhat machine with kernel version 2.6.18: g++ -c -DIN_GCC_FRONTEND -DIN_GCC_FRONTEND -g -DIN_GCC -fno-exceptions -fno-rtti -fasynchronous-unwind-tables -W -Wall -Wwrite-strings -Wcast-qual -fno-common -DHAVE_CONFIG_H -I. -Ic-family -I../../gcc-4.8.2/gcc -I../../gcc-4.8.2/gcc/c-family -I../../gcc-4.8.2/gcc/../include -I../../gcc-4.8.2/gcc/../libcpp/include -I/share/apps/include -I/home/vale/toor/include -I../../gcc-4.8.2/gcc/../libdecnumber -I../../gcc-4.8.2/gcc/../libdecnumber/bid -I../libdecnumber -I../../gcc-4.8.2/gcc/../libbacktrace ../../gcc-4.8.2/gcc/c-family/c-ppoutput.c -o c-family/c-ppoutput.o ../../gcc-4.8.2/gcc/../libcpp/internal.h:32: error: conflicting declaration 'typedef int libiconv_t' /home/vale/toor/include/iconv.h:47: error: 'libiconv_t' has a previous declaration as 'typedef void* libiconv_t' make[3]: *** [c-family/c-ppoutput.o] Error 1 make[3]: Leaving directory `/home/vale/build/gcc-objdir/gcc' make[2]: *** [all-stage1-gcc] Error 2 make[2]: Leaving directory `/home/vale/build/gcc-objdir' make[1]: *** [stage1-bubble] Error 2 make[1]: Leaving directory `/home/vale/build/gcc-objdir' make: *** [all] Error 2 I used the following options for configure: ../gcc-4.8.2/configure --prefix=/home/vale/toor --with-mpfr=/share/apps --with-mpc=/home/vale/toor --with-libiconv-prefix=/home/vale/toor and compiled and installed libiconv-1.14 to $HOME/toor Any ideas about what's going on? Many Thanks, vale -- vale cofer-shabica vale.cofershabica@xxxxxxxxx