Re: [Gumstix-users] Problems cross-compiling software (gphoto2)onto gumstix

[Hamilton, F. C. W. A. & I. D. C. 4. <fra...@na...>]

I tried what you suggested, but now I'm getting a different error.  Now =
./configure encounters an error and aborts saying "C Compiler cannot =
create executables".  The command I'm using is: "CC=3Darm-linux-gcc =
./configure --host=3Darm-linux", but I get the same error when I use =
"CC=3Darm-linux-uclibcgnueabi-gcc ./configure etc".
=20
And some of the output from the config.log file is below.  One strange =
thing is that even though the PATH variable in the terminal includes the =
path to the arm-linux stuff in the buildroot, it doesn't always show up =
in the config.log file.  I've only been using Linux for about a month so =
I'm still really new to this.  Any help would be greatly appreciated.
=20
Thanks,

Franklin Hamilton
=20
config.log
=20
hostname =3D uaslab-desktopU
uname -m =3D i686
uname -r =3D 2.6.20-16-generic
uname -s =3D Linux
uname -v =3D #2 SMP Sun Sep 23 19:50:39 UTC 2007

/usr/bin/uname -p =3D unknown
/bin/uname -X     =3D unknown

/bin/arch              =3D i686
/usr/bin/arch -k       =3D unknown
/usr/convex/getsysinfo =3D unknown
hostinfo               =3D unknown
/bin/machine           =3D unknown
/usr/bin/oslevel       =3D unknown
/bin/universe          =3D unknown

PATH: /usr/local/sbin
PATH: /usr/local/bin
PATH: /usr/sbin
PATH: /usr/bin
PATH: /sbin
PATH: /bin
PATH: /usr/X11R6/bin
=20
## ----------- ##
## Core tests. ##
## ----------- ##

configure:1541: checking build system type
configure:1559: result: i686-pc-linux-gnu
configure:1567: checking host system type
configure:1581: result: arm-unknown-linux-gnu
configure:1589: checking target system type
configure:1603: result: arm-unknown-linux-gnu
configure:1634: checking for a BSD-compatible install
configure:1689: result: /usr/bin/install -c
configure:1700: checking whether build environment is sane
configure:1743: result: yes
configure:1808: checking for gawk
configure:1837: result: no
configure:1808: checking for mawk
configure:1824: found /usr/bin/mawk
configure:1834: result: mawk
configure:1844: checking whether make sets $(MAKE)
configure:1864: result: yes
configure:1940: checking for arm-linux-strip
configure:1969: result: no
configure:1978: checking for strip
configure:1994: found /usr/bin/strip
configure:2005: result: strip
configure:2060: checking for style of include used by make
configure:2088: result: GNU
configure:2121: checking for arm-linux-gcc
configure:2147: result: arm-linux-gcc
configure:2429: checking for C compiler version
configure:2432: arm-linux-gcc --version </dev/null >&5
./configure: line 2433: arm-linux-gcc: command not found
configure:2435: $? =3D 127
configure:2437: arm-linux-gcc -v </dev/null >&5
./configure: line 2438: arm-linux-gcc: command not found
configure:2440: $? =3D 127
configure:2442: arm-linux-gcc -V </dev/null >&5
./configure: line 2443: arm-linux-gcc: command not found
configure:2445: $? =3D 127
configure:2468: checking for C compiler default output file name
configure:2471: arm-linux-gcc    conftest.c  >&5
./configure: line 2472: arm-linux-gcc: command not found
configure:2474: $? =3D 127
configure: failed program was:
| /* confdefs.h.  */


________________________________

From: gum...@li... on behalf of Dave =
Hylands
Sent: Tue 11/6/2007 2:58 PM
To: General mailing list for gumstix users.
Subject: Re: [Gumstix-users] Problems cross-compiling software =
(gphoto2)onto gumstix



Hi Franklin,

> ./configure --host=3Darm-linux
> --prefix=3D/home/uaslab/gumstix-buildroot/build_arm_nofpu/root
> make && make install
>
> And I do this for the gphoto2 software and the different libraries I =
think
> it needs to run.  Then I go to the buildroot directory, type make, =
then
> follow the instructions to copy the buildroot filesystem over to the
> gumstix.  It looks like everything goes off without a hitch, but when =
I log
> into my gumstix and try to run the command "gphoto2" to start up the
> program, I get a weird error:
>
> /bin/gphoto2: 1: Syntax Error "(" unexpected

This normally means that the /bin/gphoto2 is actually an i386 binary
instead of an arm binary, which means that the arm cross compiler
wasn't used during the build.

There are many components to the compiler, so I can't give a complete
answer, but normally you have to do something like:

CC=3Darm-linux-uclibcgnueabi-gcc ./configure rest-of-args

which assumes that arm-linux-uclibcgnueabi-gcc is in your PATH. You
may also need to setup AR, LD, etc. It really depends on the package.

--
Dave Hylands
Vancouver, BC, Canada
http://www.DaveHylands.com/

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