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meson: Move -fsanitize=undefined into normal configuraton

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With 8e466dd09246 and 23ef50ae2d0c, we disable function pointer
sanitization in CI because the qemu code base does not support it.
We must disable this for normal usage of --enable-ubsan as well,
so move it there.

Append options rather than prepend, since all of this requires
proper ordering of options.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-ID: <20240813095216.306555-3-richard.henderson@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
This commit is contained in:
Richard Henderson 2024-08-13 19:52:16 +10:00 committed by Thomas Huth
parent cb771ac1f5
commit db770a206c
2 changed files with 13 additions and 8 deletions
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10
.gitlab-ci.d/buildtest.yml
View File

@ -436,9 +436,8 @@ clang-system:
job: amd64-fedora-container
variables:
IMAGE: fedora
CONFIGURE_ARGS: --cc=clang --cxx=clang++
--extra-cflags=-fsanitize=undefined --extra-cflags=-fno-sanitize-recover=undefined
--extra-cflags=-fno-sanitize=function
CONFIGURE_ARGS: --cc=clang --cxx=clang++ --enable-ubsan
--extra-cflags=-fno-sanitize-recover=undefined
TARGETS: alpha-softmmu arm-softmmu m68k-softmmu mips64-softmmu s390x-softmmu
MAKE_CHECK_ARGS: check-qtest check-tcg
@ -449,10 +448,9 @@ clang-user:
timeout: 70m
variables:
IMAGE: debian-all-test-cross
CONFIGURE_ARGS: --cc=clang --cxx=clang++ --disable-system
CONFIGURE_ARGS: --cc=clang --cxx=clang++ --disable-system --enable-ubsan
--target-list-exclude=alpha-linux-user,microblazeel-linux-user,aarch64_be-linux-user,i386-linux-user,m68k-linux-user,mipsn32el-linux-user,xtensaeb-linux-user
--extra-cflags=-fsanitize=undefined --extra-cflags=-fno-sanitize-recover=undefined
--extra-cflags=-fno-sanitize=function
--extra-cflags=-fno-sanitize-recover=undefined
MAKE_CHECK_ARGS: check-unit check-tcg
# Set LD_JOBS=1 because this requires LTO and ld consumes a large amount of memory.

11
meson.build
View File

@ -493,8 +493,15 @@ if get_option('ubsan')
# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84285
if cc.links('int main(int argc, char **argv) { return argc + 1; }',
args: [qemu_ldflags, '-fsanitize=undefined'])
qemu_cflags = ['-fsanitize=undefined'] + qemu_cflags
qemu_ldflags = ['-fsanitize=undefined'] + qemu_ldflags
qemu_cflags += ['-fsanitize=undefined']
qemu_ldflags += ['-fsanitize=undefined']
# Suppress undefined behaviour from function call to mismatched type.
# In addition, tcg prologue does not emit function type prefix
# required by function call sanitizer.
if cc.has_argument('-fno-sanitize=function')
qemu_cflags += ['-fno-sanitize=function']
endif
else
error('Your compiler does not support -fsanitize=undefined')
endif