Am 24. September 2026 20:20:12 UTC schrieb Pierrick Bouvier
<[email protected]>:
>Some compilers enable stack protection by default (for instance, on
>archlinux). This produce a compilation error on some of our tests:
>
>/usr/sbin/x86_64-linux-gnu-gcc tests/tcg/multiarch/system/interrupt.c -o
>tests/tcg/x86_64-softmmu-interrupt.test -static -MMD -MF
>tests/tcg/x86_64-softmmu-interrupt.d -Wall -Werror -O0 -g -fno-strict-aliasing
>-nostdlib -ffreestanding -Wa,--noexecstack -I
>tests/tcg/x86_64/system/../../minilib
>tests/tcg/x86_64/system/../../minilib/printf.c
>../tests/tcg/x86_64/system/boot.S -Wl,-T ../tests/tcg/x86_64/system/kernel.ld
>-Wl,-melf_x86_64 -Wl,--no-warn-rwx-segments -Wl,--build-id=none -lgcc
>/usr/bin/ld: /tmp/ccs11W6S.o: in function `print_num':
>tests/tcg/x86_64/system/../../minilib/printf.c:45:(.text+0xec): undefined
>reference to `__stack_chk_fail'
>/usr/bin/ld: /tmp/ccs11W6S.o: in function `ml_printf':
>tests/tcg/x86_64/system/../../minilib/printf.c:136:(.text+0x549): undefined
>reference to `__stack_chk_fail'
>collect2: error: ld returned 1 exit status
>
>This flag has been previously added, but was removed when moving tcg
>tests to meson, with the goal to identify which systems require it.
>https://gitlab.com/qemu-project/qemu/-/commit/580731dcc87eb27a2b0dc20ec331f1ce51864c97
>One of these system is archlinux.
>
>Thus, disable stack protection by default. It has no impact on tests
>results.
Thanks for providing the working patch so blazingly fast!
Tested-by: Bernhard Beschow <[email protected]>
>
>Signed-off-by: Pierrick Bouvier <[email protected]>
>---
> tests/tcg/meson.build | 6 ++++++
> 1 file changed, 6 insertions(+)
>
>diff --git a/tests/tcg/meson.build b/tests/tcg/meson.build
>index 75f0a52fd22..35b3dff4ef2 100644
>--- a/tests/tcg/meson.build
>+++ b/tests/tcg/meson.build
>@@ -426,6 +426,12 @@ foreach target, plan: tcg_tests
> '-MMD', '-MF', '@DEPFILE@',
> '-Wall', '-Werror',
> '-O0', '-g', '-fno-strict-aliasing',
>+ # Some host compilers (like archlinux)
>+ # have stack protection enabled by
>default.
>+ # This results in a linking error for
>some
>+ # of our tests due to missing symbol
>+ # __stack_chk_fail. Thus, disable it.
>+ '-fno-stack-protector',
> cflags],
> depfile: exe_name + '.d',
> output: exe_name + '.test',
