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2022-08-26Fix purely white space issues reported by flake8Alf Henrik Sauge3-12/+10
2022-08-24fix linker regression for compilers that don't accept LDFLAGS directlyEli Schwartz6-13/+31
e.g. ldc -- the compiler needs to process args before consuming them. Fixes #10693
2022-07-25linkers: Add a representation for the Apple AR LinkerDylan Baker1-1/+2
Which is old and annoying and doesn't expose global symbols by default, so we need a work around. see: https://github.com/mesonbuild/meson/pull/10587 see: https://lists.gnu.org/archive/html/libtool/2002-07/msg00025.html
2022-07-21ar linker: detect the "osx ld" case (where generating thin archives won't ↵Justin Blanchard1-3/+3
work) based on host OS, not build OS.
2022-07-21compilers: add logging to obscure compiler defines scraperEli Schwartz1-2/+8
If this command fails, for example when CXX is something not generic enough to be a valid universal compiler command (clang -std=c++11 perhaps), we end up with two problems: - it's impossible to figure out what Meson ran to get that error - the error report isn't clear on what is stdout and what is stderr, or even that that is what the message is about. ``` meson.build:1:0: ERROR: Unable to get clang pre-processor defines: error: invalid argument '-std=c++11' not allowed with 'C' ``` What's C doing there and why is Meson talking about it? Answer: that's compiler stdout. Say so.
2022-07-21compilers: include compiler detection output in the debug logsEli Schwartz1-0/+5
We do something similar when running get_compiler() method checks from the DSL. This ensures that if errors happen, the log file we tell people to check actually works.
2022-07-21compilers: better reporting of command failuresEli Schwartz1-25/+26
Use join_args to ensure that commands are rendered correctly.
2022-07-11Revert /utf-8 changes in the visualstudio mixin to the 0.62.0 stateEli Schwartz1-5/+3
Specifically, this is a combination of the following: - Revert "visualstudio.py: Apply /utf-8 only on clang or VS2015+" This reverts commit 6e7c3efa793c25259891d3b5471343f95fb061fa. - Revert "Visual Studio: Only use /utf-8 on VS2015 or later or clang-cl" This reverts commit 8ed151bbd786d2c52e6ea7b7cfe3147fc41ec041. The changes were broken and untested, although this is because of a lack of general CI testing for all languages on Windows. At least, this broke the use of ifort, and possibly more. The changes are fundamentally a bit "exciting", as they step out of the hierarchy of compiler definitions and apply arguments almost willy-nilly. And apparently it's leaky all over the place. I don't understand all of what is going on with it, but it plainly failed to achieve its desired goal and needs to be rolled back ASAP.
2022-07-06Detect Cython and Vala compilers on the build machine alwaysTristan Partin1-4/+3
Transpilers need to run on the build machine in order to generate their output, which can then be taken by a cross-compiler to create the final output.
2022-07-03move various unused typing-only imports into type-checking blocksEli Schwartz9-11/+30
2022-07-03fix totally invalid import of an importEli Schwartz1-1/+3
MachineChoice is a mesonlib object, not a compilers object, so it makes no sense to import it from the latter simply because the latter imports it too. This results in brittle module dependencies and everything breaking when a refactor removes it from the latter. ... also it is a typing-only import so while we are fixing it to import from the right place, we can also put it in a type-checking block.
2022-06-21visualstudio.py: Apply /utf-8 only on clang or VS2015+Chun-wei Fan1-7/+5
In PR 10263, we didn't account for that we may have initialize the Visual Studio-like compiler two times, once for a C compiler and once for the C++ compiler, so we end up with Meson breaking on Visual Studio 2013 or earlier, such as when building GLib. Fix this by setting up the always_args member of the VisualStudioLikeCompiler instance during __init__() as needed, so that we avoid falling into modifying shared objects.
2022-06-10ACfL version detection with regexStepan Nassyr1-28/+6
2022-06-10Allow for 3-component ACfL versionsStepan Nassyr1-8/+26
2022-06-10treewide: various cleanups to move imports for mypy into typechecking blocksEli Schwartz1-4/+3
Along the way, add __future__ annotations where lacking.
2022-06-06compilers: Add support for stand-alone leak sanitizerMarco Trevisan (Treviño)1-1/+1
Leak sanitizer can be enabled without the whole AddressSanitizer, this can be done by passing -fsanitize=leak as documented at [1]. Meson doesn't support this, so add support for it. [1] https://clang.llvm.org/docs/LeakSanitizer.html
2022-06-01compiler: Add missing needs_static_linker to base Compiler classDylan Baker1-0/+3
2022-05-25Fix optimization level 's' for the TI compilerAndreas Obergschwandtner1-1/+1
2022-05-23move various imports into TYPE_CHECKING blocks for neatnessEli Schwartz1-8/+10
2022-05-19Fix invalid Python overridesTristan Partin3-10/+6
- mismatched method type - mismatched parameter names
2022-05-19Add cc.has_function_attribute('sentinel')Tristan Partin1-0/+2
2022-05-19Add cc.has_function_attribute('section')Tristan Partin1-0/+6
2022-05-09compilers/gnu: demote visibilty inlineshidden to hidden for unsupported ↵Eli Schwartz1-0/+2
compilers This option is only valid for C++ and ObjC++, but the kwarg is useful for mixed language targets. Asking for inlines as well, when the compiler driver is trying to build the C components of a target, results in gcc emitting: ``` cc1: warning: command-line option ‘-fvisibility-inlines-hidden’ is valid for C++/ObjC++ but not for C ``` Squelch this warning by filtering it out on Meson's side of things.
2022-05-08compilers/c++: Add MSVC option to make the __cplusplus define accurateEli Schwartz1-0/+10
Otherwise it always returns the value for c++98, starting with MSVC 2017 15.7 or later. Earlier versions are not affected by this mis-feature. See: https://docs.microsoft.com/en-us/cpp/build/reference/zc-cplusplus?view=msvc-160 This was originally applied as 0b97d585480e973d8b149618901f7a4ddfa1a906 but later reverted because it made the CI red. Try it again, now. Original-patch-by: Dylan Baker <dylan@pnwbakers.com> Co-authored-by: Dylan Baker <dylan@pnwbakers.com>
2022-05-06compiler.has_argument: Add `-Werror=unknown-warning-option` to clang-cl cmd lineKhairul Azhar Kasmiran1-1/+1
2022-04-30implement and test a few compiler checks for DRemi Thebault1-2/+99
- run - sizeof - alignment - has_header
2022-04-30linkers: Add support for mold linkerFini Jastrow7-43/+51
[why] Support for the relatively new mold linker is missing. If someone wants to use mold as linker `LDFLAGS="-B/path/to/mold"` has to be added instead of the usual `CC_LD=mold meson ...` or `CXX_LD=mold meson ...`. [how] Allow `mold' as linker for clang and newer GCC versions (that versions that have support). The error message can be a bit off, because it is generic for all GNU like compilers, but I guess that is ok. (i.e. 'mold' is not listed as possible linker, even if it would be possible for the given compiler.) [note] GCC Version 12.0.1 is not sufficient to say `mold` is supported. The expected release with support will be 12.1.0. On the other hand people that use the un-released 12.0.1 will probably have built it from trunk. Allowing 12.0.1 is helping bleeding edge developers to use mold in Meson already now. Fixes: #9072 Signed-off-by: Fini Jastrow <ulf.fini.jastrow@desy.de>
2022-04-25Visual Studio: Only use /utf-8 on VS2015 or later or clang-clChun-wei Fan1-0/+4
The compiler flag only exists on Visual Studio 2015 or later, or clang-cl, and using this always can interfere with compiler feature detection when this flag is not supported. So, remove '/utf-8' from always_args if we are on Visual Studio 2013 or earlier.
2022-04-13compilers: fix broken CompCert support for release flagsEli Schwartz1-1/+1
This has been broken ever since the original implementation. Due to a typo, the optimization flag used a zero instead of an uppercase "o", which the compiler then breaks on during argument parsing because it is an invalid argument. Fixes #10267
2022-03-31Merge pull request #9989 from ePirat/epirat-fix-uscore-prefix-detectionJussi Pakkanen2-7/+91
Fix underscore detection
2022-03-31clike: print stderr instead of stdout for debuggingMarvin Scholz1-1/+1
When something goes wrong with running the compiler in _symbols_have_underscore_prefix_searchbin, print stderr instead, as it actually contains helpful output while stdout is usually empty in this case.
2022-03-31visualstudio: do not query underscore define with MSVCMarvin Scholz1-0/+17
MSVC does not has the builtin define to check for the symbol prefix, so do not try to query it at all, to save some time.
2022-03-31clike: add more reliable ways to check underscore prefixMarvin Scholz1-6/+73
Fix #5482
2022-03-30compilers/gnu: use Popen_safe to prevent resource leaksMarvin Scholz1-8/+1
Fixes the following ResourceWarnings: ResourceWarning: subprocess 25556 is still running _warn("subprocess %s is still running" % self.pid, ResourceWarning: Enable tracemalloc to get the object allocation traceback mesonbuild/compilers/mixins/gnu.py:195: ResourceWarning: unclosed file <_io.BufferedReader name=4> return gnulike_default_include_dirs(tuple(self.exelist), self.language).copy() ResourceWarning: Enable tracemalloc to get the object allocation traceback
2022-03-24Debian renamed cython to cython3, support bothXavier Claessens1-1/+1
2022-03-22OptionOverrideProxy: Make it immutable to avoid copiesXavier Claessens10-46/+46
It is always used as an immutable view so there is no point in doing copies. However, mypy insist it must implement the same APIs as Dict[OptionKey, UserOption[Any]] so keep faking it.
2022-03-22compilers: fix mypy warning in Rust detectionDylan Baker1-0/+1
2022-03-16fix detection of language standard library pathsPaolo Bonzini2-20/+10
The code in the C++ and Fortran compilers' language_stdlib_only_link_flags method is broken and cannot possibly have ever worked. Instead of splitting by line, it splits by whitespace and therefore, instead of the last line of the compiler output: programs: =/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin libraries: =/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/clang/12.0.0 it is only the last field that has its first 11 characters removed. Instead of reinventing the wheel with a new and brittle pattern, reuse get_compiler_dirs. Fixes: 64c267c49 ("compilers: Add default search path stdlib_only_link_flags", 2021-09-25) Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2022-03-12remove unused type ignore that mypy 0.940 no longer needsEli Schwartz1-1/+1
And now that it doesn't need it, it errors out when you use it.
2022-03-07treewide: string-quote the first argument to T.castEli Schwartz1-1/+1
Using future annotations, type annotations become strings at runtime and don't impact performance. This is not possible to do with T.cast though, because it is a function argument instead of an annotation. Quote the type argument everywhere in order to have the same effect as future annotations. This also allows linters to better detect in some cases that a given import is typing-only.
2022-03-02compilers/gnu: set level 0 optimization to '-O0'Dylan Baker1-1/+1
GCC with optimization set to 0 does not actually result in no optimizations, which can be annoying when trying to use a debugger like gdb, and finding that your variable has been optimized out. We already do this with clang, so gcc is a bit of an outlier here.
2022-03-01compilers/d: fix mangling of rpath-link in DMD-like compilersEli Schwartz1-1/+1
We didn't consider that it has arguments following it, so the resulting compiler command line ended up with stuff like: -L=-rpath-link -L=-L=/path/to/directory -L=more-args and the directory for rpath-link got eaten up as a regular -L path to the compiler rather than being passed as -Xlinker to the linker. Then the -rpath-link would consume the next -Xlinker argument, end up with the wrong rpath-link (may or may not cause link errors) and then disappear arguments we need. As an example failure mode, if the next argument is -soname this treats the soname text as an input file, which probably does not exist if it was generated in a subdirectory, and also because it can never be successfully built in the first place -- though if it did, it would link to itself which is very wrong.
2022-02-16flake8: fix various whitespace errors with badly aligned codeEli Schwartz4-9/+9
2022-02-16flake8: remove some redundant separatorsEli Schwartz1-1/+1
2022-02-16flake8: fix wrong numbers of blank line separatorsEli Schwartz1-0/+3
2022-02-16flake8: fix typoed whitespace surrounding tokensEli Schwartz1-1/+1
2022-02-06dlang: fix #9250 invalid include flag for root directoryTobias Pankrath1-0/+2
2022-02-02Genericise TI compiler and add MSP430 supportWilliam Toohey5-62/+83
2022-01-27mark regex string as raw string to fix invalid escapesEli Schwartz1-2/+2
2022-01-27flake8: fix indentation styleEli Schwartz1-23/+23