External/libvirt
1
0
Fork 0
mirror of https://gitlab.com/libvirt/libvirt.git synced 2024-10-01 20:05:46 +00:00
Code Issues Packages Projects Releases Wiki Activity

build: Work around clang's stack size calculation without optimization

Browse Source 
When building without optimization on clang, certain big functions trip
the stack size limit despite not actually reaching it. Relax the stack
limit size for clang without optimization.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
This commit is contained in:
Peter Krempa 2023-09-04 12:10:25 +02:00
parent 0152aa5673
commit b68faa99d9
1 changed files with 10 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
meson.build
View File

@ -247,8 +247,17 @@ alloc_max = run_command(
check: true,
)
stack_frame_size = 2048
# clang without optimization enlarges stack frames in certain corner cases
if cc.get_id() == 'clang' and get_option('optimization') == '0'
stack_frame_size = 4096
endif
# sanitizer instrumentation may enlarge stack frames
stack_frame_size = get_option('b_sanitize') == 'none' ? 2048 : 32768
if get_option('b_sanitize') == 'none'
stack_frame_size == 32768
endif
# array_bounds=2 check triggers false positive on some GCC
# versions when using sanitizers. Seen on Fedora 34 with