Zig-build improvements: MSVC & C++ #636

kassane · 2024-04-22T15:29:34Z

closes #635

Not only does this change the build for the msvc target. It also adds support for C++ libraries.

Note: CI is now using a GH-action plugin to download (faster and more manageable) zig-tarballs.

korandoru/setup-zig - allow release version or master (fatest - no-cached)
goto-bus-stop/setup-zig - allow same korandoru, but you can also specify the -dev version. (no-cached)

kassane · 2024-04-22T17:02:17Z

maybe done for review.
cc: @ivmai

PR #636 (bdwgc).

ivmai · 2024-04-25T18:32:33Z

A warning is reported about korandoru:
Node.js 16 actions are deprecated. Please update the following actions to use Node.js 20: korandoru/setup-zig@v1. For more information see: https://github.blog/changelog/2023-09-22-github-actions-transitioning-from-node-16-to-node-20/.

kassane · 2024-04-25T19:49:08Z

Node.js 16 actions are deprecated. Please update the following actions to use Node.js 20: korandoru/setup-zig@v1.

opened:

Update nodejs korandoru/setup-zig#193

ivmai · 2024-04-26T10:34:11Z

Just for a reference: zig 0.12 support builds on Windows using MinGW or MS VC. Cygwin is not supported yet (ziglang/zig#751)

PR #636 (bdwgc). * build.zig (build): Update comments (mention msvc, mention cc instead of clang). * build.zig [t.abi==.msvc] (build): Append "-D _CRT_SECURE_NO_DEPRECATE" to flags; add msvc_dbg.c to source_files; add TODO item and append "-D NO_SEH_AVAILABLE" to flags. * build.zig [build_shared_libs && t.abi==.msvc] (build): Add TODO item and append "-D DONT_USE_USER32_DLL" to flags. Co-authored-by: Ivan Maidanski <ivmai@mail.ru>

ivmai · 2024-04-27T06:28:30Z

Now I have pushed your code (with my modifications) to support msvc target - commit 5201e76.

kassane · 2024-04-27T13:14:01Z

Now I have pushed your code (with my modifications) to support msvc target - commit 5201e76.

Rebased again.

PR #636 (bdwgc).

ivmai · 2024-04-27T16:10:49Z

All shared msvc builds seem to hang (I've not investigated it yet) - e.g. https://github.com/ivmai/bdwgc/actions/runs/8860942283/job/24332280900

kassane · 2024-04-27T20:07:02Z

Windows - cpptest build issue

MinGW_shared-lib

https://github.com/ivmai/bdwgc/actions/runs/8861871430/job/24334204783

+- run cpptest
   +- zig build-exe cpptest Debug native 4 errors
D:\a\bdwgc\bdwgc\include/gc/gc_cpp.h:342:5: error: replacement function 'operator new[]' cannot be declared 'inline'
D:\a\bdwgc\bdwgc\tests\cpp.cc:25:10: note: in file included from D:\a\bdwgc\bdwgc\tests\cpp.cc:25:
D:\a\bdwgc\bdwgc\include/gc_cpp.h:2:10: note: in file included from D:\a\bdwgc\bdwgc\include/gc_cpp.h:2:

MSVC_shared-lib

https://github.com/ivmai/bdwgc/actions/runs/8861871430/job/24334206851

test
+- run cpptest
   +- zig build-exe cpptest Debug native-native-msvc 20 errors
error: lld-link: undefined symbol: __declspec(dllimport) GC_set_all_interior_pointers
    note: referenced by D:\a\bdwgc\bdwgc\tests\cpp.cc:311
    note:               D:\a\bdwgc\bdwgc\zig-cache\o\fc2798597c3554acc98a525408f97dc1\cpp.obj:(WinMain)
error: lld-link: undefined symbol: __declspec(dllimport) GC_init
    note: referenced by D:\a\bdwgc\bdwgc\tests\cpp.cc:318
    note:               D:\a\bdwgc\bdwgc\zig-cache\o\fc2798597c3554acc98a525408f97dc1\cpp.obj:(WinMain)
error: lld-link: undefined symbol: __declspec(dllimport) GC_enable_incremental
    note: referenced by D:\a\bdwgc\bdwgc\tests\cpp.cc:321

.github/workflows/zig-build.yml

PR #636 (bdwgc). This commit adds support of enable_cplusplus and enable_throw_bad_alloc_library options to Zig script (to match that of CMake script). * build.zig (build): Define enable_cplusplus and enable_throw_bad_alloc_library consts (options); remove relevant TODO items; define gccpp and gctba variables. * build.zig [enable_cplusplus && enable_werror && (build_shared_libs && t.os.tag==.windows || t.abi==.msvc)] (build): Append -Wno-inline-new-delete to flags; add comment item. * build.zig [enable_cplusplus && enable_werror && t.abi==.msvc] (build): Append -Wno-unused-command-line-argument to flags; add TODO item. * build.zig [enable_cplusplus && build_shared_libs] (build): Set gccpp to addSharedLibrary(). * build.zig [enable_cplusplus] (build): Define gccpp_src_files variable; specify source files and dependency library for gccpp using linkLibCpp(); install gccpp artifact; call addTestExt() for cpptest. * build.zig [enable_cplusplus && enable_throw_bad_alloc_library] (build): Define gctba_src_files variable; specify source files and dependency library for gctba using linkLibCpp(); install gctba artifact. * build.zig [install_headers && enable_cplusplus] (build): Install gccpp headers. * build.zig [install_headers && enable_cplusplus && enable_throw_bad_alloc_library] (build): Install gctba headers (same as for gccpp). * build.zig (linkLibCpp): New function (to workaround C++ library linking by MS VC). Co-authored-by: Ivan Maidanski <ivmai@mail.ru>

PR #636 (bdwgc).

ivmai · 2024-04-30T06:21:38Z

I've changed your commit so that the script part which build gccpp/tba looks close to that of cmake script. Merged.

ivmai · 2024-04-30T06:26:59Z

However there issues with cross-compilation:

"error: ld.lld: relocation R_MIPS_32 cannot be used against local symbol; recompile with -fPIC" - https://github.com/ivmai/bdwgc/actions/runs/8885055838/job/24395538923
"error: ld.lld: relocation refers to a discarded section: .text.__clang_call_terminate" - https://github.com/ivmai/bdwgc/actions/runs/8885055838/job/24395545647

ivmai · 2024-04-30T06:43:51Z

Also, shared lib build by MS VC hangs, e.g.
https://github.com/ivmai/bdwgc/actions/runs/8890197137/job/24409869526
Could you please figure out what's wrong? (probably an error message is displayed and this causes a hang of the job)

ivmai · 2024-04-30T06:44:09Z

Keeping this PR open because of the above 3 items.

kassane · 2024-04-30T12:41:09Z

However there issues with cross-compilation:

* "error: ld.lld: relocation R_MIPS_32 cannot be used against local symbol; recompile with -fPIC" -  https://github.com/ivmai/bdwgc/actions/runs/8885055838/job/24395538923

unable to link shared object for mipsel-linux: lld: error: can't create dynamic relocation R_MIPS_32 against symbol: DW.ref.__gxx_personality_v0 in readonly segment ziglang/zig#4925 (comment)

can pass -Wl,-z,notext to the linker.

kassane · 2024-04-30T14:15:29Z

* "error: ld.lld: relocation refers to a discarded section: .text.__clang_call_terminate" - https://github.com/ivmai/bdwgc/actions/runs/8885055838/job/24395545647

I'll test on powerpc64/debian (docker).

zig: add build-lib c++ & tba support ci: C++ test ci: msvc enable_werror falsed zig issue - warn to error: argument unused during compilation: '-nostdinc++'

ivmai · 2024-05-02T11:20:29Z

can pass -Wl,-z,notext to the linker.

It seems it does work. It would be nice if you manage to prepare workaround. (Alternative we could turn off checking such configs for now.)

ivmai · 2024-05-02T11:20:59Z

"error: ld.lld: relocation refers to a discarded section: .text.__clang_call_terminate" - https://github.com/ivmai/bdwgc/actions/runs/8885055838/job/24395545647

Related: ziglang/zig-bootstrap#113

kassane · 2024-05-02T12:43:21Z

I'll test on powerpc64/debian (docker).

Related: ziglang/zig-bootstrap#113

Yes! Unfortunately, ppc64 (not ppc64le) images with no clang & libc++ to run some tests are even worse.
The tarball of the llvm17.0.1 release for ibm/aix is broken. This would be used in comparison to zig-toolchain in tests.

ivmai · 2024-05-02T16:52:00Z

Okay, I will exclude C++ shared builds on CI for these targets (mips, ppc).

ivmai · 2024-05-02T17:59:11Z

Also, shared lib build by MS VC hangs, e.g. https://github.com/ivmai/bdwgc/actions/runs/8890197137/job/24409869526

Hmm. It does not hang if -Dbuild_cord=false
I've created issue #640

ivmai · 2024-05-03T05:00:01Z

I'm closing this PR because the above mentioned issue does not depend on C++ part.

PR #636 (bdwgc).

ivmai · 2024-05-03T10:19:15Z

Hmm. Some non-MSVC build for Windows also hang: issue #641

This was referenced Apr 22, 2024

bdwgc: zig-build msvc target - missing gnu header kassane/bdwgc-d#1

Closed

zig-msvc target error: 'unistd.h' file not found #635

Closed

ivmai pushed a commit that referenced this pull request Apr 24, 2024

GH Actions: Use korandoru/setup-zig for zig workflows

b4e4fee

PR #636 (bdwgc).

ivmai pushed a commit that referenced this pull request Apr 27, 2024

GH Actions: add Windows GNU and MSVC targets to zig build

13d9306

PR #636 (bdwgc).

ivmai reviewed Apr 28, 2024

View reviewed changes

.github/workflows/zig-build.yml Outdated Show resolved Hide resolved

kassane requested a review from ivmai April 28, 2024 17:06

ivmai pushed a commit that referenced this pull request Apr 30, 2024

GH Actions: Build C++ libraries by zig-build script

67090a1

PR #636 (bdwgc).

zig-build: add msvc target (rebased)

94dda1f

zig: add build-lib c++ & tba support ci: C++ test ci: msvc enable_werror falsed zig issue - warn to error: argument unused during compilation: '-nostdinc++'

ivmai closed this May 3, 2024

ivmai added a commit that referenced this pull request May 3, 2024

GH Actions: Cross-compile C++ libraries by zig script

2eaa40c

PR #636 (bdwgc).

kassane deleted the zig-msvc branch May 3, 2024 12:38

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Zig-build improvements: MSVC & C++ #636

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