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Hi Again,
I'm still trying to complete this Linux cross-compiler
for Solaris. I've taken everyone's advice and I've made
considerable progress (I was delayed due to another project,
but now my focus resumes until completion). However, I've
now come across new difficulties: when xgcc is used to build
libio, the Makefile fails because now it can't find some
header files, such as errno.h. However, using this group,
I'm pretty sure I've copied the Linux headers to my Sun box
to the correct locations (Thanks everyone!).
So, why would the building of libio fail due to header files
not being found? I've made good progress but am still confused
by this latest problem.
Here is the exact script I'm now using. I've put line numbers
into the listing to help references, line 29 shows where I create
the include and lib directories for the Linux headers and
libraries,
1 #!/bin/sh
2
3 GCC=gcc-2.95.3
4 BINUTILS=binutils-2.10.1
5 TARGET=i686-pc-linux-gnu
6 SRCDIR=$HOME/gnu/src/sun
7 BINDIR=$HOME/gnu/bin/sun
8 TARDIR=/home/davidt/gnu/tar
9
10 test -d "$SRCDIR" || mkdir -p $SRCDIR
11
12 cd $SRCDIR
13 tar -zxf $TARDIR/$BINUTILS.tar.gz
14 tar -zxf $TARDIR/$GCC.tar.gz
15 mkdir build-binutils build-gcc
16
17 ## -- configure, build and install binutils
18 cd $SRCDIR/build-binutils
19 ../$BINUTILS/configure --target=$TARGET --prefix=$BINDIR -v
20 make all install
21
22 ## -- because we need to find executables we just installed
23 ## -- such as i686-pc-linux-gnu-ar
24 PATH=$BINDIR/bin:$PATH
25 export PATH
26
27 # -- install headers from target platform
28 cd $BINDIR/$TARGET
29 tar -xf $TARDIR/linux.tar
30
31 # -- configure, build and install gcc
32 cd $SRCDIR/build-gcc
33 ../$GCC/configure --target=$TARGET --prefix=$BINDIR -v
34 make LANGUAGE=c,c++ all install
Here is the output from the last make command, (I've snipped
lots of output above this, for brevity), hopefully someone will
be able to recognize my problem from this output and suggest
a solution. I've numbered lines here, too,
1 Configuring in i686-pc-linux-gnu/libio
2 Appending ../../../gcc-2.95.3/libio/config/linux.mt to target-mkfrag
3 Appending ../../../gcc-2.95.3/libio/config/mtsafe.mt to target-mkfrag
4 Created "Makefile" in /home/davidt/gnu/src/sun/build-gcc/i686-pc-linux-gnu/libio using "target-mkfrag"
5 Adding multilib support to Makefile in ../../../gcc-2.95.3/libio
6 multidirs=
7 with_multisubdir=
8 Configuring tests...
9 Created "Makefile" in /home/davidt/gnu/src/sun/build-gcc/i686-pc-linux-gnu/libio/tests
10 Configuring dbz...
11 Linked "rdbz.c" to "../../../../gcc-2.95.3/libio/dbz/dbz.c".
12 Linked "rdbzmain.c" to "../../../../gcc-2.95.3/libio/dbz/dbzmain.c".
13 Created "Makefile" in /home/davidt/gnu/src/sun/build-gcc/i686-pc-linux-gnu/libio/dbz
14 Configuring stdio...
15 Created "Makefile" in /home/davidt/gnu/src/sun/build-gcc/i686-pc-linux-gnu/libio/stdio
16 Configuring testsuite...
17 Created "Makefile" in /home/davidt/gnu/src/sun/build-gcc/i686-pc-linux-gnu/libio/testsuite
18 Configuring in i686-pc-linux-gnu/libiberty
19 creating cache ./config.cache
20 checking host system type... i686-pc-linux-gnu
21 checking build system type... sparc-sun-solaris2.7
22 checking for i686-pc-linux-gnu-ar... i686-pc-linux-gnu-ar
23 checking for i686-pc-linux-gnu-ranlib... i686-pc-linux-gnu-ranlib
24 checking for gcc... /home/davidt/gnu/src/sun/build-gcc/gcc/xgcc -B/home/davidt/gnu/src/sun/build-gcc/gcc/ -B/home/davidt/gnu/bin/sun/i686-pc-linux-gnu/bin/
25 checking whether we are using GNU C... yes
26 checking whether /home/davidt/gnu/src/sun/build-gcc/gcc/xgcc -B/home/davidt/gnu/src/sun/build-gcc/gcc/ -B/home/davidt/gnu/bin/sun/i686-pc-linux-gnu/bin/ accepts -g... yes
27 checking for POSIXized ISC... no
28 checking for a BSD compatible install... /usr/local/bin/install -c
29 checking how to run the C preprocessor... /lib/cpp
30 checking for sys/file.h... yes
31 checking for sys/param.h... yes
32 checking for stdlib.h... yes
33 checking for string.h... yes
34 checking for unistd.h... yes
35 checking for strings.h... yes
36 checking for sys/time.h... yes
37 checking for sys/resource.h... yes
38 checking for sys/wait.h that is POSIX.1 compatible... no
39 checking whether the C compiler (/home/davidt/gnu/src/sun/build-gcc/gcc/xgcc -B/home/davidt/gnu/src/sun/build-gcc/gcc/ -B/home/davidt/gnu/bin/sun/i686-pc-linux-gnu/bin/ -g -O2 ) works... no
40 configure: error: installation or configuration problem: C compiler cannot create executables.
41 make[1]: Entering directory `/home/davidt/gnu/src/sun/build-gcc/i686-pc-linux-gnu/libio'
42 make[1]: *** Warning: File `Makefile' has modification time in the future (999910280 > 999910224)
43 if [ x"no" = xyes ] && [ ! -d pic ]; then \
44 mkdir pic; \
45 else true; fi
46 touch stamp-picdir
47 test x"no" != xyes ||\
48 /home/davidt/gnu/src/sun/build-gcc/gcc/xgcc -B/home/davidt/gnu/src/sun/build-gcc/gcc/ -B/home/davidt/gnu/bin/sun/i686-pc-linux-gnu/bin/ -c -g -O2 -I. -I../../../gcc-2.95.3/libio -D_IO_MTSAFE_IO ../../../gcc-2.95.3/libio/iogetline.c -o pic/iogetline.o
49 /home/davidt/gnu/src/sun/build-gcc/gcc/xgcc -B/home/davidt/gnu/src/sun/build-gcc/gcc/ -B/home/davidt/gnu/bin/sun/i686-pc-linux-gnu/bin/ -c -g -O2 -I. -I../../../gcc-2.95.3/libio -D_IO_MTSAFE_IO ../../../gcc-2.95.3/libio/iogetline.c
50 In file included from ../../../gcc-2.95.3/libio/iogetline.c:26:
51 ../../../gcc-2.95.3/libio/libioP.h:30: errno.h: No such file or directory
52 In file included from ../../../gcc-2.95.3/libio/iolibio.h:1,
53 from ../../../gcc-2.95.3/libio/libioP.h:47,
54 from ../../../gcc-2.95.3/libio/iogetline.c:26:
55 ../../../gcc-2.95.3/libio/libio.h:30: _G_config.h: No such file or directory
56 ../../../gcc-2.95.3/libio/iogetline.c:27: string.h: No such file or directory
57 make[1]: *** [iogetline.o] Error 1
58 make[1]: Leaving directory `/home/davidt/gnu/src/sun/build-gcc/i686-pc-linux-gnu/libio'
59 make: *** [all-target-libio] Error 2
The errno.h header files exist here,
/home/davidt/gnu/bin/sun/i686-pc-linux-gnu/include/errno.h
/home/davidt/gnu/bin/sun/i686-pc-linux-gnu/include/asm/errno.h
/home/davidt/gnu/bin/sun/i686-pc-linux-gnu/include/bits/errno.h
/home/davidt/gnu/bin/sun/i686-pc-linux-gnu/include/linux/errno.h
/home/davidt/gnu/bin/sun/i686-pc-linux-gnu/include/sys/errno.h
How come xgcc doesn't find these headers when compiling in the libio subdir?
I really appreciate everyone's help so far, any more help with this
latest difficulty would be greatly appreciated.
--
David Thompson
Foster City, CA USA
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