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Otherwise, when installing from a bindist the C flag isn't passed to the
C compiler.
This completes the fix for #22429
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This mirrors some existing logic for the bootstrap_target which
influences how TargetPlatform is set.
As described on #21970 not storing this led to `LlvmTarget` being set incorrectly
and hence the wrong `--target` flag being passed to the C compiler.
Towards #21970
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This reverts commit 7c6de18dd3151ead954c210336728e8686c91de6.
Centos7 using a very old version of the toolchain (autotools-2.69) where
the behaviour of these macros has not yet changed. I am reverting this
without haste as it is blocking the 9.6 branch.
Fixes #22704
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As noted in #22566, this macro is deprecated as of autoconf-2.70
`AC_PROG_CC` now sets `ac_cv_prog_cc_c99` itself.
Closes #22566.
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This patch fixes the bindist autoconf logic to properly set
CrossCompiling=YES when it's a cross GHC bindist.
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This has not worked for many, many years and relied on the now-removed
`make`-based build system.
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Ultimately we want to drop mk/config.mk so here I extract the bits
needed by the Hadrian bindist installation logic into a Hadrian-specific
file. While doing this I fixed binary distribution installation, #21901.
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Previously we would use plain `cp` to install various parts of the
binary distribution. However, `cp`'s behavior w.r.t. file attributes is
quite unclear; for this reason it is much better to rather use
`install`.
Fixes #21965.
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* Rename `docs` to `doc`
* Place pdf documentation in `doc/` instead of `doc/pdfs/`
Fixes #21164.
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generating docs
The motiviation for this flag is to be able to produce documentation
which is suitable for uploading for hackage, ie, the cross-package links
work correctly.
There are basically three values you want to set this to:
* off - default, base_url = ../%pkg% which works for local browsing
* on - no argument , base_url = https:://hackage.haskell.org/package/%pkg%/docs - for hackage docs upload
* on - argument, for example, base_url = http://localhost:8080/package/%pkg%/docs for testing the documentation.
The `%pkg%` string is a template variable which is replaced with the
package identifier for the relevant package.
This is one step towards fixing #21749
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We previously only checked the stage 1/2 compiler
for --target support. We got away with this for quite a while but it
eventually caught up with us in #21579, where `bytestring`'s new NEON
implementation was unbuildable on Darwin due to Rosetta's seemingly
random logic for determining which executable image to execute. This
lead to a confusing failure to build `bytestring`'s cbits, when `clang`
tried to compile NEON builtins while targetting x86-64.
Fix this by checking CC_STAGE0 for --target support.
Fixes #21579.
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Here we introduce a new "virtual" package into the initial package
database, `system-cxx-std-lib`. This gives users a convenient, platform
agnostic way to link against C++ libraries, addressing #20010.
Fixes #20010.
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Here we introduce proper support for compilation of C++ objects. This
includes:
* logic in `configure` to detect the C++ toolchain and propagating this
information into the `settings` file
* logic in the driver to use the C++ toolchain when compiling C++
sources
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Since there may be .o files which are in fact archives.
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Get rid of `USE_INPLACE_MINGW_TOOLCHAIN` and use a settings file entry
instead.
The CPP setting was originally introduced in f065b6b012.
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This will allow better reuse of it, such as in the upcoming RTS
configure script.
Progress towards #17191
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Previously the logic which called ghc-pkg failed to account for the fact
that the executable name may be prefixed with a triple. Moreover, the
call must occur before we delete the settings file as ghc-pkg needs the
latter.
Fixes #20267.
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Sadly, autoconf cannot warn when it encounters an undefined macro and
therefore this bug went unnoticed for altogether far too long.
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The compiler should be independent of the target.
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None of the configure options defined by `FP_GMP` are applicable to
binary distributions.
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Previously we would support only one LLVM major version. Here we
generalize this to accept a range, taking this range to be LLVM 10 to 11,
as 11 is necessary for Apple M1 support. We also accept 12, as that is
what apple ships with BigSur on the M1.
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Previously to merge a set of object files we would invoke the linker as
usual, adding -r to the command-line. However, this can result in
non-sensical command-lines which causes lld to balk (#17962).
To avoid this we introduce a new tool setting into GHC, -pgmlm, which is
the linker which we use to merge object files.
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* Represent backends with a `Backend` datatype in GHC.Driver.Backend
* Don't detect the default backend to use for the target platform at
compile time in Hadrian/make but at runtime. It makes "Settings"
simpler and it is a step toward making GHC multi-target.
* The latter change also fixes hadrian which has not been updated to
take into account that the NCG now supports AIX and PPC64 (cf
df26b95559fd467abc0a3a4151127c95cb5011b9 and
d3c1dda60d0ec07fc7f593bfd83ec9457dfa7984)
* Also we don't treat iOS specifically anymore (cf
cb4878ffd18a3c70f98bdbb413cd3c4d1f054e1f)
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Metric Decrease:
T13035
T1969
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In addition, we prefer the Mingw64 Python distribution on Windows due
to #17483.
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Fixing #17255.
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This had silently regressed due to 81860281 and the variable renaming performed
in b55ee979, as noted in #17374.
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Some where using `True` / `False`, a legacy of when they were in
`Config.hs`. See #16914 / d238d3062a9858 for a similar problem.
Also clean up the configure variables names for consistency and clarity
while we're at it. "Target" makes clear we are talking about outputted
code, not where GHC itself runs.
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Since !712 the `settings` file is produced by the build system instead
of autoconf. However, this introduced a subtle bug where we would fail
to rebuild the `settings` file with what we have learned from the
install-time `configure` invocation. Fix this by not packaging
`settings` in the bindist tarball. The build system will take care of
the rest.
Also fix a bug where the value of `UseLibdw` was not being persisted to
the install time `configure`.
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Otherwise, when `./configure`ing a GHC bindist, produced by either Make or
Hadrian, we would try to generate the `settings` file from the `settings.in`
template that we used to have around but which has been gone since d37d91e9.
That commit generates the settings file using the build systems instead, but
forgot to remove this mention to the `settings` file.
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This allows it to eventually become stage-specific
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This moves URL references to old Trac to their corresponding
GitLab counterparts.
This patch does not update the submodule library, such as
libraries/Cabal.
See also !539, !606, !618
[ci skip]
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This moves all URL references to Trac Wiki to their corresponding
GitLab counterparts.
This substitution is classified as follows:
1. Automated substitution using sed with Ben's mapping rule [1]
Old: ghc.haskell.org/trac/ghc/wiki/XxxYyy...
New: gitlab.haskell.org/ghc/ghc/wikis/xxx-yyy...
2. Manual substitution for URLs containing `#` index
Old: ghc.haskell.org/trac/ghc/wiki/XxxYyy...#Zzz
New: gitlab.haskell.org/ghc/ghc/wikis/xxx-yyy...#zzz
3. Manual substitution for strings starting with `Commentary`
Old: Commentary/XxxYyy...
New: commentary/xxx-yyy...
See also !539
[1]: https://gitlab.haskell.org/bgamari/gitlab-migration/blob/master/wiki-mapping.json
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This moves all URL references to Trac tickets to their corresponding
GitLab counterparts.
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The object splitter was the last major user of perl. There remain a few
uses in nofib but we can just rely on the system's perl for this since
it's not critical to the build.
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The splitter is an evil Perl script that processes assembler code.
Its job can be done better by the linker's --gc-sections flag. GHC
passes this flag to the linker whenever -split-sections is passed on
the command line.
This is based on @DemiMarie's D2768.
Fixes Trac #11315
Fixes Trac #9832
Fixes Trac #8964
Fixes Trac #8685
Fixes Trac #8629
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