modules/gnome.py: Fix generating .gir with latest Windows SDK #13392
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fanc999-1
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...when a Visual Studio-style compiler is being used. The scanner and dumper programs for gtkdoc and introspection will fail to link with an obscure undefined symbol '_guard_check_icall_$fo$' without an appropriate CRT cflag (i.e. /MD or /MDd for instance) specified, when the latest Windows SDK (10.0.26100.0 or later) is being used on Visual Studio 2019 at least. This will update the private _get_langs_compilers_flags() if a Visual Studio style compiler is being used, as indicated by the b_vscrt option. This applies the appropriate CRT cflag according to the build options so that this issue will be avoided.
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dnicolodi
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Nov 27, 2024
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| for lang, compiler in langs_compilers: | ||
| if len(crt_cflags) == 0 and OptionKey('b_vscrt') in compiler.base_options: |
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Suggested change
| if len(crt_cflags) == 0 and OptionKey('b_vscrt') in compiler.base_options: | |
| if not crt_cflags and OptionKey('b_vscrt') in compiler.base_options: |
dnicolodi
reviewed
Nov 27, 2024
| # _guard_check_icall_$fo$ | ||
| crt_val = state.environment.coredata.get_option(OptionKey('b_vscrt')) | ||
| buildtype = state.environment.coredata.get_option(OptionKey('buildtype')) | ||
| if isinstance(crt_val, str) and isinstance(buildtype, str): |
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Why are the isinstance() check needed?
dnicolodi
reviewed
Nov 27, 2024
| @@ -1157,6 +1166,8 @@ def generate_gir(self, state: 'ModuleState', args: T.Tuple[T.List[T.Union[Execut | |||
| dep_cflags, dep_internal_ldflags, dep_external_ldflags, gi_includes, depends = \ | |||
| self._get_dependencies_flags(deps, state, depends, use_gir_args=True) | |||
| scan_cflags = [] | |||
| if len(crt_cflags) > 0: | |||
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| if len(crt_cflags) > 0: | |
| if crt_cflags: |
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However, if crt_flags is a list, the check can be omitted.
dnicolodi
reviewed
Nov 27, 2024
| @@ -1572,6 +1583,8 @@ def _get_build_args(self, c_args: T.List[str], inc_dirs: T.List[T.Union[str, bui | |||
| compiler = state.environment.coredata.compilers[MachineChoice.HOST]['c'] | |||
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| compiler_flags = self._get_langs_compilers_flags(state, [('c', compiler)]) | |||
| if len(compiler_flags[3]) > 0: | |||
| cflags.extend(compiler_flags[3]) # Apply CRT cflag first if necessary | |||
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Also here, I think the check can be omitted.
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...when a Visual Studio-style compiler is being used.
The dumper program will fail to link with an obscure undefined symbol 'guard_check_icall$fo$ ' without an appropriate CRT cflag (i.e. /MD or /MDd for instance) specified, when the latest Windows SDK (10.0.26100.0 or later) is being used on Visual Studio 2019 at least.
This applies the appropriate CRT cflag according to the build options during introspection scanning so that this issue will be avoided.