I have been following the directions from the mini-how-to install of gcc on windows xp (httpgcc.gnu.orgmlgcc-help2006-09msg00000.html) I get an error during 'IV - BUILDING AND INSTALLING GCC' after running the configure of the gcc build # make CFLAGS=-O2 -fomit-frame-pointer CXXFLAGS=-mthreads -fno-omit-frame-pointer -O2 LDFLAGS=-s bootstrap2 I get ............................... make[3] Entering directory `gcc-workbuildgccgcc' .xgcc -B. -Bmingwmingw32bin -isystem mingwmingw32include -isystem ming wmingw32sys-include -Lgcc-workbuildgccgcc..ld -O2 -I......sourcegcc- 4.1.1gcc..winsupw32apiinclude -O2 -O2 -fomit-frame-pointer -DIN_GCC -W -Wall -Wwrite-strings -Wstrict-prototypes -Wmissing-prototypes -Wold-style-defin ition -isystem .include -g -DHAVE_GTHR_DEFAULT -DIN_LIBGCC2 -D__GCC_FLOAT_NO T_NEEDED -I. -I. -I......sourcegcc-4.1.1gcc -I......sourcegcc-4.1.1gc c. -I......sourcegcc-4.1.1gcc..include -I......sourcegcc-4.1.1gcc. .libcppinclude -DL_muldi3 -c ......sourcegcc-4.1.1gcclibgcc2.c -o libgc c._muldi3.o In file included from ......sourcegcc-4.1.1gcclibgcc2.c33 ......sourcegcc-4.1.1gcctsystem.h9019 error stdio.h No such file or d irectory ......sourcegcc-4.1.1gcctsystem.h9323 error systypes.h No such file or directory ......sourcegcc-4.1.1gcctsystem.h9619 error errno.h No such file or d irectory ......sourcegcc-4.1.1gcctsystem.h10320 error string.h No such file or directory ......sourcegcc-4.1.1gcctsystem.h10420 error stdlib.h No such file or directory ......sourcegcc-4.1.1gcctsystem.h10520 error unistd.h No such file or directory In file included from .includelimits.h122, from .includesyslimits.h7, from .includelimits.h11, from ......sourcegcc-4.1.1gcctsystem.h108, from ......sourcegcc-4.1.1gcclibgcc2.c33 .includelimits.h12261 error limits.h No such file or directory In file included from ......sourcegcc-4.1.1gcclibgcc2.c33 ......sourcegcc-4.1.1gcctsystem.h11118 error time.h No such file or d irectory In file included from .tm.h10, from ......sourcegcc-4.1.1gcclibgcc2.c35 ......sourcegcc-4.1.1gccconfigi386cygming.h333 error expected ')' bef ore '' token make[3] [libgcc._muldi3.o] Error 1 make[3] Leaving directory `gcc-workbuildgccgcc' make[2] [libgcc.a] Error 2 make[2] Leaving directory `gcc-workbuildgccgcc' make[1] [stage1_build] Error 2 make[1] Leaving directory `gcc-workbuildgccgcc' make [bootstrap2] Error 2 When I check config.log I see ..................................... configure2177 checking how to compare bootstrapped objects configure2275 checking for correct version of gmp.h configure2288 gcc -c -g -O2 conftest.c 1&5 configure227817 gmp.h No such file or directory configure In function `main' configure2282 error `choke' undeclared (first use in this function) configure2282 error (Each undeclared identifier is reported only once configure2282 error for each function it appears in.) configure2282 error syntax error before me configure failed program was #line 2277 configure #include confdefs.h #include gmp.h int main() { ...................................... Can anyone tell me what I should do next