[Bug bootstrap/41124] New: 'configure' checks for Ada compiler but does not build one

[Bug bootstrap/41124] New: 'configure' checks for Ada compiler but does not build one

[oliver dot kellogg at eads dot com]

gcc-build> ../gcc/configure --prefix=/opt/gnat/fsf
checking build system type... i686-pc-linux-gnu
checking host system type... i686-pc-linux-gnu
checking target system type... i686-pc-linux-gnu
checking for a BSD-compatible install... /usr/bin/install -c
checking whether ln works... yes
checking whether ln -s works... yes
checking for gcc... gcc
checking for C compiler default output file name... a.out
checking whether the C compiler works... yes
checking whether we are cross compiling... no
checking for suffix of executables... 
checking for suffix of object files... o
checking whether we are using the GNU C compiler... yes
checking whether gcc accepts -g... yes
checking for gcc option to accept ANSI C... none needed
checking for g++... g++
checking whether we are using the GNU C++ compiler... yes
checking whether g++ accepts -g... yes
checking for gnatbind... gnatbind
checking for gnatmake... gnatmake
checking whether compiler driver understands Ada... yes
checking how to compare bootstrapped objects... cmp --ignore-initial=16 $$f1
$$f2
checking for correct version of gmp.h... yes
checking for correct version of mpfr.h... yes
checking for the correct version of mpc.h... no
checking for the correct version of the gmp/mpfr libraries... yes
checking for version 0.10 of PPL... yes
checking for correct version of CLooG... no
The following languages will be built: c,c++,fortran,java,objc
*** This configuration is not supported in the following subdirectories:
     target-libada gnattools
    (Any other directories should still work fine.)
[...]

Although 'configure' does detect gnatbind/gnatmake and finds that the compiler
driver understands Ada, no Ada compiler is built.

'configure' should configure GCC for all buildable languages when the
--enable-languages option is not given.


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           Summary: 'configure' checks for Ada compiler but does not build
                    one
           Product: gcc
           Version: 4.5.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: bootstrap
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: oliver dot kellogg at eads dot com
  GCC host triplet: i686-pc-linux-gnu


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41124

[Bug bootstrap/41124] 'configure' checks for Ada compiler but does not build one

[pinskia at gcc dot gnu dot org]

------- Comment #1 from pinskia at gcc dot gnu dot org  2009-08-19 18:47 -------
Ada is not a default language currently and has not been since 4.0.0.


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41124

[Bug bootstrap/41124] 'configure' checks for Ada compiler but does not build one

[oliver dot kellogg at eads dot com]

------- Comment #2 from oliver dot kellogg at eads dot com  2009-08-19 18:54 -------
> Ada is not a default language currently and has not been since 4.0.0.

I find that counter-intuitive - how come all other languages are built,
just Ada is not?


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41124

[Bug bootstrap/41124] 'configure' checks for Ada compiler but does not build one

[jakub at gcc dot gnu dot org]

------- Comment #3 from jakub at gcc dot gnu dot org  2009-08-19 19:05 -------
obj-c++ isn't built by default either.  And in both cases it is intentional.


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41124

[Bug bootstrap/41124] 'configure' checks for Ada compiler but does not build one

[rguenth at gcc dot gnu dot org]

------- Comment #4 from rguenth at gcc dot gnu dot org  2009-08-19 19:40 -------
I think we finally should enable ada and obj-c++ by default if all requirements
are met.


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rguenth at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Severity|normal                      |enhancement
             Status|UNCONFIRMED                 |NEW
     Ever Confirmed|0                           |1
   Last reconfirmed|0000-00-00 00:00:00         |2009-08-19 19:40:24
               date|                            |


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41124

[Bug bootstrap/41124] 'configure' checks for Ada compiler but does not build one

[oliver dot kellogg at eads dot com]

------- Comment #5 from oliver dot kellogg at eads dot com  2009-08-19 20:42 -------
> I think we finally should enable ada and obj-c++ by default if all requirements
> are met.

Could you point me to the relevant discussion about these requirements?
Thanks.


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41124

[Bug bootstrap/41124] 'configure' checks for Ada compiler but does not build one

[rguenth at gcc dot gnu dot org]

------- Comment #6 from rguenth at gcc dot gnu dot org  2009-08-19 21:02 -------
Requirements as in configure detects a host ada compiler.


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41124

[Bug bootstrap/41124] 'configure' checks for Ada compiler but does not build one

[joseph at codesourcery dot com]

------- Comment #7 from joseph at codesourcery dot com  2009-08-19 23:58 -------
Subject: Re:  'configure' checks for Ada compiler but
 does not build one

On Wed, 19 Aug 2009, jakub at gcc dot gnu dot org wrote:

> obj-c++ isn't built by default either.  And in both cases it is intentional.

It is only intentional for obj-c++.  For ada the disabling was meant to be 
temporary until it worked with tree-ssa and there was no specific decision 
to keep it disabled after then.


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41124