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All recent packages featuring Ada code have a hard dependency on the
lang/gnat-aux compiler package. The valid values for USE_LANGUAGES
are c, c99, c++, fortran, fortran77, java, objc, so specifying a
specific compiler was necessary up into now.
One problem with lang/gnat-aux is that it is installed at ${LOCALBASE}
where the lang/gccXX compilers are installed at ${LOCALBASE}/gccXX.
The latter compilers have no possibility of sharing conflicting files
unlike lang/gnat-aux. Rather than fundamentally update the GCC 4.6-based
lang/gnat-aux to avoid these conflicts, a new Ada-capable compiler
based on GCC 4.7 was created with the intent of being supported by
mk/compiler.mk and mk/compiler/gcc.mk.
The Ada packages will be effectively migrated from lang/gnat-aux to the
new lang/gcc-aux compiler, but lang/gcc-aux will remain as a standalone
package as it is the only GCC 4.6-based compiler that builds on
DragonFly and serves it as a world and kernel compile option.
In addition to the current language wrappers, lang/gcc-aux adds
wrappers for "ada" (unique to gcc-aux, hardlinked to gcc driver),
and the gnat, gnatmake, gnatbind, gnatlink, gnatchop, gnatprep,
and gnatls programs. Supporting all of these allows the wrapper
system to be used with Ada packages; currently wrappers are mostly
disabled on them.
The lang/gcc47 implicitly adds support for the "objc-c++" language by
adding it to the USE_LANGUAGES list, but it wasn't really supported.
An attempt was made to better support objc-c++, but this new enumeration
probably still needs work or needs to be removed completely.
Logic for Ada support:
1) All lang/gccXX compilers have version numbers ranging from 2.8.1 to 9.
2) lang/gcc-aux uses the release date as its version number in the form of
YYYYMMDD with a minimum value of 20120614, so there is no version
overlap.
3) When at least one element of USE_LANGUAGES is "ada", the value of
20120614 is added to the set of GCC_REQD which selects lang/gcc-aux.
4) The _NEED_NEWER_GCC check is disabled. It fails and isn't relevant;
unless a package sets GCC_REQD over 20120614, the only way to select
lang/gcc-aux is to specify the Ada language and only one compiler
known to gcc.mk can support it.
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point option for `ld'.
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thay are librarys so that they still surround the given library.
WARNING: this may not work if the wrapper reorders librarys.
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but our gcc re-orders them so that all -R args come at the front
of the "ld" invocation. This messes up the relative search order,
and is at least partly responsible for "the pixman problem"
experienced on (at least) NetBSD 5.1. This is as close as a general
fix as I can think of, and should fix PR#46130, although it possibly
doesn't fix every instance of this more general problem.
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are in the default CFLAGS on MirBSD.
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Thorsten Glaser.
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Workaround for missing hard link support on Haiku, PR#43398.
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a whitespace in the command search path.
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is disabled. In that case, the post processing is doing nothing anyway.
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content. This option is used by libtool only and that uses the correct
exact argument.
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Set it to "/bin/ksh" under Mac OS X which should reduce package build times
by more than 20%.
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- provide cpp wrapper using cc -E
- provide c++_r wrapper working like c++
- provide -rpath handling for cc
- fix some debug messages to provide the correct script name
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corresponding linker argument.
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Rehsack.
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- Add cc_r/xlc_r wrapper using the same rules as xlc itself.
It is used for example by Perl.
- Improve the RPATH emulation:
- Always set -blibpath, use /usr/lib:/lib as default
- If -blibpath is exlicitly given, add to the default
- Additionally append any -Wl,-rpath given.
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The PKG_FAIL_REASON isn't executed by default, no idea why, but this
makes it a bit cleaner why the compiler wrapper will fail and fixes the
more important AIX case.
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former are already more specific.
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details.
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other libraries (specified with -l).
Fixes a linking problem in net-snmp, where the Perl DynaLoader.a library
becomes out-of-order when all -l arguments have been moved to the end of
the command line.
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and then call it as a shell function. Note that the shell function is
not called "cache", since some shells have problems when a function has
the same name as a variable.
This speeds up the wrapper by as little as 75 percent for the final link
command of editors/abiword on SunOS-5.10-sparc (before: 20 seconds,
after: 5 seconds).
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should be both faster and easier to read.
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This change also works around shells/scsh's broken check for -rdynamic.
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duplicate them into the list of libraries. Someone may want to mix
static and dynamic linking.
Fixes PR#37228, approved by jlam.
jlam says that a better long-term fix would be to ensure that all
the -L specifications come before the -l specifications, instead
of moving all the -l specifications to the end of the command line.
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This is needed for Xaw3d. Fix suggested by joerg@.
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expect from other platforms.
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wrapper for gcc and cc as type "CPP", although these aren't C
preprocessors. By preventing the code from overwriting files, this works
now.
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for several years now, since the directories in the -I... and -L...
options usually don't need quoting. But when the -D... option was
processed using the same code, the bug had become visible.
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