On 4/27/22 20:12, Frank Kühndel wrote:
Hi Karel,
On 4/27/22 19:46, Karel Gardas wrote:
On 4/27/22 19:25, Frank Kühndel wrote:
I do not need ADA but ADA may be worth considering. With GCC 10 one
needed to have a GNAT 10 compiler installed to build the tools incl.
--with_ada. I presume, one would need a GNAT 12 to build ADA with the
GCC 12 sources? The current Fedora 35 has GNAT 11. All other distros I
know of have GNAT 10 at best (I have not checked on tumbleweed yet).
OpenSUSE may get ADA 12 from an unusual repro???
On https://gcc.gnu.org/install/prerequisites.html there is a text:
"
GNAT
In order to build GNAT, the Ada compiler, you need a working GNAT
compiler (GCC version 5.1 or later).
...
"
is it outdated? If so, this would require some bugreport to gcc team?
The text says too: "Other native compiler versions may work but this is
not guaranteed and will typically fail with hard to understand
compilation errors during the build."
Hmm, I see, thanks for correcting me, but your citation is missing one
important detail:
"In order to build a cross compiler, it is strongly recommended to
install the new compiler as native first, and then use it to build the
cross compiler."
So I'm afraid this looks like ball is on the RSB side which should first
build native compiler of required version -- for this you may use older
GNAT (at least GCC 5.1) and then use exactly this compiler to build a
cross-compiler.
E.g. GNAT 10 native -> GNAT 12 native -> GNAT 12 cross-compiler (RTEMS).
Is that correct?
Thanks!
Karel
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