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treewide: Support builds with ASAN, enable in CI

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Enables builds with ASAN to catch memory corruption
bugs faster and in CI. This is an incredibly valuable
instrument that must be used as much as possible.

Somewhat based on jade's work from Lix, though there's a lot that
we have to do differently:

19ae87e5ce

Co-authored-by: Jade Lovelace <lix@jade.fyi>
This commit is contained in:
Sergei Zimmerman 2025-09-19 01:33:57 +03:00
parent 3a687eeb4f
commit 94d37e62fc
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39 changed files with 88 additions and 26 deletions
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12
nix-meson-build-support/asan-options/meson.build Normal file
View file

@ -0,0 +1,12 @@
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(
'b_sanitize',
))
add_project_link_arguments('-shared-libasan', language : 'cpp')
endif

8
nix-meson-build-support/common/meson.build
View file

@ -33,13 +33,5 @@ if cxx.get_id() == 'clang'
add_project_arguments('-fpch-instantiate-templates', language : 'cpp')
endif
# 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(
'b_sanitize',
))
add_project_link_arguments('-shared-libasan', language : 'cpp')
endif
# Darwin ld doesn't like "X.Y.Zpre"
nix_soversion = meson.project_version().replace('pre', '')