Hello David,
* david@xxxxxxxxxxxxxxxxxxxxx wrote on Sun, Nov 05, 2006 at 02:52:39AM CET:
>
> I am trying to incorporate configure into a hc12 library rework of
> libgel. In the original by Stephane Carre, he didn't use autoconf. I
> want to try and configure GCC version (m6812-elf-gcc) instead of gcc.
> I tried using AC_PROG_CC() but it doesn't like my other variables
> and runs all over my config.
This is a bit thin for a decent error description. What does AC_PROG_CC
do that is wrong for you? And why do you need TARGET_CC? Are you
really trying to compile a compiler package using a Canadian Cross or
similar? (I'd assume that if you were, you wouldn't be asking this
question.)
If the package you are trying to compile isn't itself a compiler, then
you have no need for TARGET-something. Maybe you just want to use
AC_PROG_CC and use
./configure --host=m6812-elf
to invoke cross-compilation mode and use a compiler named m6812-elf-gcc?
> I tried this and it gave me errors on automake --force
Automake sticks an
_AM_DEPENDENCIES(CC)
at the end of AC_PROG_CC, and needs this for its dependency tracking.
> Here is my configure.ac snippet
>
> AC_ARG_VAR([TARGET_CPP],[target cpp program])
> AC_CHECK_PROG([TARGET_GCC],
> [${target_alias}gcc],
> [${target_alias}gcc],
Isn't the tool prefix usually some alias plus a hyphen '-'?
> [NO],
> [$PATH],
> [exit])
> AC_ARG_VAR([TARGET_GCC],[target gcc program])
> echo $TARGET_GCC
> {this sets target_alias properly and TARGET_GCC}
> and then inside my Makefile.am I used this
>
> CC= @TARGET_GCC@
>
> If I leave out src/Makefile from AC_CONFIG_FILES([]) I get no error.
You should also be able to stick the Automake option no-dependencies
into AM_INIT_AUTOMAKE to avoid the error.
> autoreconf: running: automake-1.9 --add-missing --copy --force-missing
> /usr/share/automake-1.9/am/depend2.am: am__fastdepCC does not appear
> in AM_CONDITIONAL
> /usr/share/automake-1.9/am/depend2.am: AMDEP does not appear in
> AM_CONDITIONAL
> autoreconf: automake-1.9 failed with exit status: 1
Hope that helps.
Cheers,
Ralf
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