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meson: Simplify asan-options handling even more

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Instead of specifying env variables all the time
we can instead embed the __asan_default_options symbol
in all executables / shared objects. This reduces code
duplication.
This commit is contained in:
Sergei Zimmerman 2025-10-12 18:04:57 +03:00
parent d9cabddd17
commit 711e738bf9
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16 changed files with 12 additions and 26 deletions
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6
nix-meson-build-support/common/asan-options/asan-options.cc Normal file
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@ -0,0 +1,6 @@
extern "C" [[gnu::retain, gnu::weak]] const char * __asan_default_options()
{
// We leak a bunch of memory knowingly on purpose. It's not worthwhile to
// diagnose that memory being leaked for now.
return "abort_on_error=1:print_summary=1:detect_leaks=0";
}

7
nix-meson-build-support/common/asan-options/meson.build
View file

@ -1,7 +1,3 @@
asan_test_options_env = {
'ASAN_OPTIONS' : 'abort_on_error=1:print_summary=1:detect_leaks=0',
}
# Clang gets grumpy about missing libasan symbols if -shared-libasan is not
# passed when building shared libs, at least on Linux
if cxx.get_id() == 'clang' and ('address' in get_option('b_sanitize') or 'undefined' in get_option(
@ -10,3 +6,6 @@ if cxx.get_id() == 'clang' and ('address' in get_option('b_sanitize') or 'undefi
add_project_link_arguments('-shared-libasan', language : 'cpp')
endif
if 'address' in get_option('b_sanitize')
deps_other += declare_dependency(sources : 'asan-options.cc')
endif