Here's what I get: yapn:eng@yapn:~/proj/aoeu> g++ --debug --verbose aoeu.C -o aoeu Using built-in specs. Target: i686-pc-linux-gnu Configured with: ../gcc-4.0.2/configure --prefix=/home/yapn/.mrm-vista/common/org/fsf/gcc/4.0.2 --exec-prefix=/home/yapn/.mrm-vista/kernel/org/fsf/gcc/4.0.2 Thread model: posix gcc version 4.0.2 /home/yapn/.mrm-vista/kernel/org/fsf/gcc/4.0.2/libexec/gcc/i686-pc-linux-gnu/4.0.2/cc1plus -quiet -v -D_GNU_SOURCE aoeu.C -quiet -dumpbase aoeu.C -mtune=pentiumpro -auxbase aoeu -g -version -o /tmp/ccheq7Dt.s ignoring nonexistent directory "/home/yapn/.mrm-vista/kernel/org/fsf/gcc/4.0.2/lib/gcc/i686-pc-linux-gnu/4.0.2/../../../../../../../../../../../../include/c++/4.0.2" ignoring nonexistent directory "/home/yapn/.mrm-vista/kernel/org/fsf/gcc/4.0.2/lib/gcc/i686-pc-linux-gnu/4.0.2/../../../../../../../../../../../../include/c++/4.0.2/i686-pc-linux-gnu" ignoring nonexistent directory "/home/yapn/.mrm-vista/kernel/org/fsf/gcc/4.0.2/lib/gcc/i686-pc-linux-gnu/4.0.2/../../../../../../../../../../../../include/c++/4.0.2/backward" ignoring nonexistent directory "/home/yapn/.mrm-vista/kernel/org/fsf/gcc/4.0.2/lib/gcc/i686-pc-linux-gnu/4.0.2/../../../../../../../../../../../i686-pc-linux-gnu/include" #include "..." search starts here: #include <...> search starts here: /usr/local/include /home/yapn/.mrm-vista/common/org/fsf/gcc/4.0.2/include /home/yapn/.mrm-vista/kernel/org/fsf/gcc/4.0.2/lib/gcc/i686-pc-linux-gnu/4.0.2/include /usr/include End of search list. GNU C++ version 4.0.2 (i686-pc-linux-gnu) compiled by GNU C version 3.2.2 20030222 (Red Hat Linux 3.2.2-5). GGC heuristics: --param ggc-min-expand=100 --param ggc-min-heapsize=131072 aoeu.C:1:20: error: iostream: No such file or directory aoeu.C: In function 'int main(int, char**)': aoeu.C:6: error: 'cout' is not a member of 'std' aoeu.C:6: error: 'endl' is not a member of 'std' On 10/28/05, Noel Yap <noel.yap@xxxxxxxxx> wrote: > What do I need to do to build gcc 4.0, such that when using it, it > knows where its own header files are. IOW, such that the compile > implitly uses -I path/to/correct/system/header/files. > > From what I've read, that should be the default, but that's not the > behaviour I'm seeing. > > Thanks, > Noel >