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On a machine with only 1GB of memory (e.g. in a VM), the compiler might be
abruptly killed by a segfault. We were not getting any feedback in that
case, making it harder to debug.
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Since Guillaume's, launching coqtop without -native-compiler and call
native_compute would mean recompiling silently all dependencies, even if they
had been precompiled (e.g. the stdlib).
The new semantics is that -native-compiler disables separate compilation of the
current library, but still tries to load precompiled dependencies. If loading
fails when the flag is on, coqtop stays silent.
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Nothing is done for camlp4
There is an issue with computing camlbindir
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Was making the study of bugs like #4139 painful.
Now printing a better error message when a compiled file is missing.
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Instead of checking if the native compiler directory exists before creating it,
we simply create it by default and catch the potential exception due to its
presence.
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Patch by CJ on bugzilla. CUnix.sys_command doesn't rely on a shell, so extra
care with cmd.exe vs sh is no longer required.
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Ocaml does not remove the .cmi file if compilation fails, thus causing
subsequent native compilations to fail due to mismatching interfaces.
For the sake of homogeneity, also remove the .cmo/.cmxs file along the way.
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The call to the native compiler can fail due to the sheer amounts of -I
options passed to it. Indeed, it is easy to get the command line to exceed
512KB, thus causing various operating systems to reject it. This commit
avoids the issue by only passing the -I options that matter for the
currently compiled code.
Note that, in the worst case, this commit is still not sufficient on
Windows (32KB max), but this worst case should be rather uncommon and thus
can be ignored for now.
For the record, the command-line size mandated by Posix is 4KB.
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With ocaml 4.01, the 'unused open' warning also checks the mli :-)
Beware: some open are reported as useless when compiling with camlp5,
but are necessary for compatibility with camlp4. These open are now
marked with a comment.
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git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@16944 85f007b7-540e-0410-9357-904b9bb8a0f7
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- Revised Coqtop.parse_args in a cleaner and lighter style
- Improved error message in case of argument parse failure:
* tell which option is expecting a related argument
* in case of unknown options, warn about them all at once
* do not hide the previous error messages by filling the
screen with usage(). Instead, suggest the use of --help.
- Specialized boolean config field Coq_config.arch_is_win32
- Faster Envars.coqlib, which is back to (unit->string), and
just access Flags.coqlib. Caveat: it must be initialized once
via Envars.set_coqlib
- Avoid keeping an opened channel to the "revision" file
- Direct load of theories/init/prelude.vo, no detour via Loadpath
Beware : ./configure must be runned after this commit
git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@16726 85f007b7-540e-0410-9357-904b9bb8a0f7
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git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@16284 85f007b7-540e-0410-9357-904b9bb8a0f7
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-no-native-compiler flag is on.
git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@16239 85f007b7-540e-0410-9357-904b9bb8a0f7
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git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@16165 85f007b7-540e-0410-9357-904b9bb8a0f7
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git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@16140 85f007b7-540e-0410-9357-904b9bb8a0f7
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native OCaml code.
Warning: the "retroknowledge" mechanism has not been ported to the native
compiler, because integers and persistent arrays will ultimately be defined as
primitive constructions. Until then, computation on numbers may be faster using
the VM, since it takes advantage of machine integers.
git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@16136 85f007b7-540e-0410-9357-904b9bb8a0f7
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