Hello all, I'm currently stuck on: Linux From Scratch - Version 6.3,
Chapter 6. Installing Basic System Software, 6.12. GCC-4.1.2

I received the following make error while executing the make command. Also, I'm using Ubuntu as my host.

NOTE:I deleted both the gcc-4.1.2 and gcc-build folders. Then extracted and created the gcc-build folder again.

In file included from ../../gcc-4.1.2/gcc/crtstuff.c:68:
../../gcc-4.1.2/gcc/tsystem.h:90:19: error: stdio.h: No such file or directory
../../gcc-4.1.2/gcc/tsystem.h:93:23: error: sys/types.h: No such file or directory
../../gcc-4.1.2/gcc/tsystem.h:96:19: error: errno.h: No such file or directory
../../gcc-4.1.2/gcc/tsystem.h:103:20: error: string.h: No such file or directory
../../gcc-4.1.2/gcc/tsystem.h:104:20: error: stdlib.h: No such file or directory
../../gcc-4.1.2/gcc/tsystem.h:105:20: error: unistd.h: No such file or directory
In file included from /usr/local/include/limits.h:27,
from /sources/gcc-build/./gcc/include/limits.h:122,
from /sources/gcc-build/./gcc/include/syslimits.h:7,
from /sources/gcc-build/./gcc/include/limits.h:11,
from ../../gcc-4.1.2/gcc/tsystem.h:108,
from ../../gcc-4.1.2/gcc/crtstuff.c:68:
/usr/local/include/features.h:323:25: error: sys/cdefs.h: No such file or directory
In file included from /usr/local/include/features.h:346,
from /usr/local/include/limits.h:27,
from /sources/gcc-build/./gcc/include/limits.h:122,
from /sources/gcc-build/./gcc/include/syslimits.h:7,
from /sources/gcc-build/./gcc/include/limits.h:11,
from ../../gcc-4.1.2/gcc/tsystem.h:108,
from ../../gcc-4.1.2/gcc/crtstuff.c:68:
/usr/local/include/gnu/stubs.h:4:27: error: bits/wordsize.h: No such file or directory
/usr/local/include/gnu/stubs.h:11:3: error: #error "unexpected value for __WORDSIZE macro"
In file included from /sources/gcc-build/./gcc/include/limits.h:122,
from /sources/gcc-build/./gcc/include/syslimits.h:7,
from /sources/gcc-build/./gcc/include/limits.h:11,
from ../../gcc-4.1.2/gcc/tsystem.h:108,
from ../../gcc-4.1.2/gcc/crtstuff.c:68:
/usr/local/include/limits.h:145:30: error: bits/posix1_lim.h: No such file or directory
/usr/local/include/limits.h:149:30: error: bits/posix2_lim.h: No such file or directory
In file included from /usr/local/include/limits.h:153,
from /sources/gcc-build/./gcc/include/limits.h:122,
from /sources/gcc-build/./gcc/include/syslimits.h:7,
from /sources/gcc-build/./gcc/include/limits.h:11,
from ../../gcc-4.1.2/gcc/tsystem.h:108,
from ../../gcc-4.1.2/gcc/crtstuff.c:68:
/usr/local/include/bits/xopen_lim.h:34:28: error: bits/stdio_lim.h: No such file or directory
In file included from ../../gcc-4.1.2/gcc/crtstuff.c:68:
../../gcc-4.1.2/gcc/tsystem.h:111:18: error: time.h: No such file or directory
../../gcc-4.1.2/gcc/crtstuff.c:92:18: error: link.h: No such file or directory
make[2]: *** [crtbegin.o] Error 1
make[2]: Leaving directory `/sources/gcc-build/gcc'
make[1]: *** [all-gcc] Error 2
make[1]: Leaving directory `/sources/gcc-build'
make: *** [all] Error 2

You are missing the basic libc header files. They are pretty important!

duplicate post -- sorry.

Well, before configuring gcc I ran the following commands:

sed -i 's/install_to_$(INSTALL_DEST) //' libiberty/Makefile.in

sed -i 's/^XCFLAGS =$/& -fomit-frame-pointer/' gcc/Makefile.in

sed -i 's@\./fixinc\.sh@-c true@' gcc/Makefile.in

sed -i 's/@have_mktemp_command@/yes/' gcc/gccbug.in

mkdir -v ../gcc-build
cd ../gcc-build

Finally within the gcc-build directory I ran:
../gcc-4.1.2/configure --prefix=/usr \
--libexecdir=/usr/lib --enable-shared \
--enable-threads=posix --enable-__cxa_atexit \
--enable-clocale=gnu --enable-languages=c,c++

Am I still missing the libc header files? If so, how do I get them(what chapter do I need to reread)?

Sweet! I just found out my mistake. I kept reinstating the specs patch to gcc and tried to make.. I left out the patch and it worked. On to make -k check :-)

-Thanks,
Rich

I don't know the procedure you are following, sorry. I can only tell you what the errors mean.

The system includes are normally found in /usr/include, and are pulled in from source code as :

#include <errno.h>
#include <sys/types.h>
...

But when you are bootstrap building a system, the base directory can be changed, such as /usr/local/include so that you don't destroy your current system's build environment.

I see references to /usr/local/include/limits.h, etc. so there is something incorrect about how either include fixups were done or with specifying the base include directory. Try to backtrack the procedure to see where include files are generated, installed, or the build environment modified to use non-default includes ( I see one reference to removing fixinc.sh from Makefile.in, but again, I don't know the procedure you are working from ).