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author | Jussi Pakkanen <jpakkane@gmail.com> | 2021-03-15 11:53:34 +0200 |
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committer | Jussi Pakkanen <jpakkane@gmail.com> | 2021-03-17 15:10:30 +0200 |
commit | fe4ddb5268dd00b229b2b15e80169aee827b8add (patch) | |
tree | 9753340c6ce6a2c670bcf0ac8bab6f7df70e18c5 | |
parent | 639063db7f095d7e1c1b5054a488fb6992b1051d (diff) | |
download | meson-fe4ddb5268dd00b229b2b15e80169aee827b8add.zip meson-fe4ddb5268dd00b229b2b15e80169aee827b8add.tar.gz meson-fe4ddb5268dd00b229b2b15e80169aee827b8add.tar.bz2 |
Warn when grabbing internals of subprojects with include_directories.
5 files changed, 48 insertions, 2 deletions
diff --git a/mesonbuild/interpreter.py b/mesonbuild/interpreter.py index 364cf70..7823971 100644 --- a/mesonbuild/interpreter.py +++ b/mesonbuild/interpreter.py @@ -4596,6 +4596,28 @@ put in the include directories by default so you only need to do include_directories('.') if you intend to use the result in a different subdirectory. ''') + else: + try: + self.validate_within_subproject(a, '') + except InterpreterException: + mlog.warning('include_directories sandbox violation!') + print(f'''The project is trying to access the directory {a} which belongs to a different +subproject. This is a problem as it hardcodes the relative paths of these two projeccts. +This makes it impossible to compile the project in any other directory layout and also +prevents the subproject from changing its own directory layout. + +Instead of poking directly at the internals the subproject should be executed and +it should set a variable that the caller can then use. Something like: + +# In subproject +some_dep = declare_depencency(include_directories: include_directories('include')) + +# In parent project +some_dep = depencency('some') +executable(..., dependencies: [some_dep]) + +This warning will become a hard error in a future Meson release. +''') absdir_src = os.path.join(absbase_src, a) absdir_build = os.path.join(absbase_build, a) if not os.path.isdir(absdir_src) and not os.path.isdir(absdir_build): @@ -4797,6 +4819,10 @@ Try setting b_lundef to false instead.'''.format(self.coredata.options[OptionKey def validate_within_subproject(self, subdir, fname): srcdir = Path(self.environment.source_dir) norm = Path(srcdir, subdir, fname).resolve() + if os.path.isdir(norm): + inputtype = 'directory' + else: + inputtype = 'file' if srcdir not in norm.parents: # Grabbing files outside the source tree is ok. # This is for vendor stuff like: @@ -4805,9 +4831,9 @@ Try setting b_lundef to false instead.'''.format(self.coredata.options[OptionKey return project_root = Path(srcdir, self.root_subdir) if project_root not in norm.parents: - raise InterpreterException(f'Sandbox violation: Tried to grab file {norm.name} outside current (sub)project.') + raise InterpreterException(f'Sandbox violation: Tried to grab {inputtype} {norm.name} outside current (sub)project.') if project_root / self.subproject_dir in norm.parents: - raise InterpreterException(f'Sandbox violation: Tried to grab file {norm.name} from a nested subproject.') + raise InterpreterException(f'Sandbox violation: Tried to grab {inputtype} {norm.name} from a nested subproject.') def source_strings_to_files(self, sources: T.List[str]) -> T.List[mesonlib.File]: mesonlib.check_direntry_issues(sources) diff --git a/test cases/common/240 includedir violation/meson.build b/test cases/common/240 includedir violation/meson.build new file mode 100644 index 0000000..a82069e --- /dev/null +++ b/test cases/common/240 includedir violation/meson.build @@ -0,0 +1,7 @@ +project('foo', 'c') + +# This is here rather than in failing because this needs a +# transition period to avoid breaking existing projects. +# Once this becomes an error, move this under failing tests. + +inc = include_directories('subprojects/sub/include') diff --git a/test cases/common/240 includedir violation/subprojects/sub/include/placeholder.h b/test cases/common/240 includedir violation/subprojects/sub/include/placeholder.h new file mode 100644 index 0000000..196f917 --- /dev/null +++ b/test cases/common/240 includedir violation/subprojects/sub/include/placeholder.h @@ -0,0 +1,3 @@ +#pragma once + +// Git can not handle empty directories, so there must be something here. diff --git a/test cases/common/240 includedir violation/subprojects/sub/meson.build b/test cases/common/240 includedir violation/subprojects/sub/meson.build new file mode 100644 index 0000000..7211018 --- /dev/null +++ b/test cases/common/240 includedir violation/subprojects/sub/meson.build @@ -0,0 +1,3 @@ +project('subproj', 'c') + +# This is never actually executed, just here for completeness. diff --git a/test cases/common/240 includedir violation/test.json b/test cases/common/240 includedir violation/test.json new file mode 100644 index 0000000..d6e56a3 --- /dev/null +++ b/test cases/common/240 includedir violation/test.json @@ -0,0 +1,7 @@ +{ + "stdout": [ + { + "line": "WARNING: include_directories sandbox violation!" + } + ] +} |