[cl-debian] Bug#488817: clisp - FTBFS: configure: error: C preprocessor "gcc -E" fails sanity check

[Luca Capello]

tags 488817 + patch
thanks

Hi Bastian!

On Wed, 02 Jul 2008 17:23:47 +0200, Luca Capello wrote:
> On Wed, 02 Jul 2008 17:17:38 +0200, Bastian Blank wrote:
>> The configure call lacks a --build=$(DEB_BUILD_GNU_TYPE) argument.
>
> Thank you for the hint, I'll test on raptor.d.o if this is the only
> thing needed.

This doesn't seem to work, at least on amd64 :-(

If I add "--build=$(DEB_BUILD_GNU_TYPE)" to ./configure:
=====
./configure debian/build --prefix=/usr --fsstnd=debian --with-dynamic-ffi --with-dynamic-modules \
                --with-module=bindings/glibc --with-module=clx/new-clx
                --with-module=berkeley-db --build=x86_64-linux-gnu
./configure: invalid argument --build=x86_64-linux-gnu
./configure: Try `./configure --help'
make: *** [configure-stamp] Error 1
dpkg-buildpackage: failure: debian/rules build gave error exit status 2
=====

And if I add "--build $(DEB_BUILD_GNU_TYPE)" to ./configure:
=====
dh_testdir
./configure debian/build --prefix=/usr --fsstnd=debian --with-dynamic-ffi --with-dynamic-modules \
                --with-module=bindings/glibc --with-module=clx/new-clx
                --with-module=berkeley-db --build x86_64-linux-gnu
[...]
configure: ** check for host type
checking build system type... x86_64-unknown-linux-gnu
checking host system type... x86_64-unknown-linux-gnu
checking for style of include used by make... GNU
checking for gcc... x86_64-linux-gnu
checking for C compiler default output file name...
configure: error: C compiler cannot create executables
See `config.log' for more details.
make: *** [configure-stamp] Error 77
dpkg-buildpackage: failure: debian/rules build gave error exit status 2
=====

I guess this is because:
=====
sh-3.2# ./configure --help
Usage: configure [options] [dirname]
[...]
  --build               unix/INSTALL steps 3-8: configure, build, check
[...]
Specifying the C compiler:
  If you wish to specify the C compiler that will get used to build
  CLISP, set the environment variables CC, CFLAGS, LIBS.
  Put compiler flags that have to be passed to the preprocessor
  into the CC variable, not the CFLAGS variable.
  For example, if you want to use gcc in ANSI C mode,
  execute the following before calling `configure':
        setenv CC "gcc -ansi"                 if using csh
        export CC="gcc -ansi"                 if using bash or ksh
        CC="gcc -ansi"; export CC             if using sh
=====

Indeed, if I simply use "export CC=$(DEB_BUILD_GNU_TYPE)-gcc" the
package is built and checked by debdiff shows no difference with the
package built without the export.  However, since I'm not a GCC expert,
I'm not sure this is the preferred way.

I'll try the patch above on raptor.d.o and commit it if ./configure will
continue.  Let's see if there are other errors then ;-)

Thx, bye,
Gismo / Luca
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