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meson/configure: add 'valgrind' option & --{en, dis}able-valgrind flag

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Currently valgrind debugging support for coroutine stacks is enabled
unconditionally when valgrind/valgrind.h is found. There is no way
to disable valgrind support if valgrind.h is present in the build env.

This is bad for distros, as an dependency far down the chain may cause
valgrind.h to become installed, inadvertently enabling QEMU's valgrind
debugging support. It also means if a distro wants valgrind support
there is no way to mandate this.

The solution is to add a 'valgrind' build feature to meson and thus
configure script.

Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-ID: <20250425121713.1913424-1-berrange@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
This commit is contained in:
Daniel P. Berrangé 2025-04-25 13:17:12 +01:00 • committed by Thomas Huth
parent 55a494e53e
commit 6b1c744ec0
3 changed files with 17 additions and 1 deletions
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3
scripts/meson-buildoptions.sh
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@ -198,6 +198,7 @@ meson_options_help() {
printf "%s\n" ' u2f U2F emulation support'
printf "%s\n" ' uadk UADK Library support'
printf "%s\n" ' usb-redir libusbredir support'
printf "%s\n" ' valgrind valgrind debug support for coroutine stacks'
printf "%s\n" ' vde vde network backend support'
printf "%s\n" ' vdi vdi image format support'
printf "%s\n" ' vduse-blk-export'
@ -526,6 +527,8 @@ _meson_option_parse() {
--disable-ubsan) printf "%s" -Dubsan=false ;;
--enable-usb-redir) printf "%s" -Dusb_redir=enabled ;;
--disable-usb-redir) printf "%s" -Dusb_redir=disabled ;;
--enable-valgrind) printf "%s" -Dvalgrind=enabled ;;
--disable-valgrind) printf "%s" -Dvalgrind=disabled ;;
--enable-vde) printf "%s" -Dvde=enabled ;;
--disable-vde) printf "%s" -Dvde=disabled ;;
--enable-vdi) printf "%s" -Dvdi=enabled ;;