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Re: [PATCH] meson: move pixman detection to meson
From: |
Thomas Huth |
Subject: |
Re: [PATCH] meson: move pixman detection to meson |
Date: |
Thu, 27 Aug 2020 10:28:18 +0200 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.6.0 |
On 26/08/2020 09.02, Paolo Bonzini wrote:
> When pixman is not installed (or too old), but virglrenderer is available
> and "configure" has been run with "--disable-system", the build currently
> aborts when trying to compile vhost-user-gpu (since it requires pixman).
>
> Let's skip the build of vhost-user-gpu when pixman is not installed or
> too old. Instead of adding CONFIG_PIXMAN, it is simpler to move the
> detection to pixman.
>
> Based on a patch by Thomas Huth. <thuth@redhat.com>
>
> Fixes: 9b52b17ba5 ("configure: Allow to build tools without pixman")
> Reported-by: Rafael Kitover <rkitover@gmail.com>
> Reported-by: Philippe Mathieu-Daudé <philmd@redhat.com>
> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
> ---
> configure | 21 ++-------------------
> contrib/vhost-user-gpu/meson.build | 3 ++-
> meson.build | 12 +++++++-----
> 3 files changed, 11 insertions(+), 25 deletions(-)
>
> diff --git a/configure b/configure
> index a5fa472c64..51b6164f69 100755
> --- a/configure
> +++ b/configure
> @@ -3923,20 +3923,6 @@ if test "$modules" = yes; then
> fi
> fi
>
> -##########################################
> -# pixman support probe
> -
> -if test "$softmmu" = "no"; then
> - pixman_cflags=
> - pixman_libs=
> -elif $pkg_config --atleast-version=0.21.8 pixman-1 > /dev/null 2>&1; then
> - pixman_cflags=$($pkg_config --cflags pixman-1)
> - pixman_libs=$($pkg_config --libs pixman-1)
> -else
> - error_exit "pixman >= 0.21.8 not present." \
> - "Please install the pixman devel package."
> -fi
> -
> ##########################################
> # libmpathpersist probe
>
> @@ -6649,8 +6635,8 @@ echo_version() {
> fi
> }
>
> -# prepend pixman and ftd flags after all config tests are done
> -QEMU_CFLAGS="$pixman_cflags $fdt_cflags $QEMU_CFLAGS"
> +# prepend ftd flags after all config tests are done
> +QEMU_CFLAGS="$fdt_cflags $QEMU_CFLAGS"
> QEMU_LDFLAGS="$fdt_ldflags $QEMU_LDFLAGS"
>
> config_host_mak="config-host.mak"
> @@ -8053,9 +8039,6 @@ fi
>
> done # for target in $targets
>
> -echo "PIXMAN_CFLAGS=$pixman_cflags" >> $config_host_mak
> -echo "PIXMAN_LIBS=$pixman_libs" >> $config_host_mak
> -
> if [ "$fdt" = "git" ]; then
> subdirs="$subdirs dtc"
> fi
> diff --git a/contrib/vhost-user-gpu/meson.build
> b/contrib/vhost-user-gpu/meson.build
> index 8df4c13bc5..7d9b29da8b 100644
> --- a/contrib/vhost-user-gpu/meson.build
> +++ b/contrib/vhost-user-gpu/meson.build
> @@ -1,5 +1,6 @@
> if 'CONFIG_TOOLS' in config_host and 'CONFIG_VIRGL' in config_host \
> - and 'CONFIG_GBM' in config_host and 'CONFIG_LINUX' in config_host
> + and 'CONFIG_GBM' in config_host and 'CONFIG_LINUX' in config_host \
> + and pixman.found()
> executable('vhost-user-gpu', files('vhost-user-gpu.c', 'virgl.c',
> 'vugbm.c'),
> link_with: libvhost_user,
> dependencies: [qemuutil, pixman, gbm, virgl],
> diff --git a/meson.build b/meson.build
> index bcd39b39da..57c2fe2b65 100644
> --- a/meson.build
> +++ b/meson.build
> @@ -114,8 +114,11 @@ if 'CONFIG_GNUTLS' in config_host
> gnutls = declare_dependency(compile_args:
> config_host['GNUTLS_CFLAGS'].split(),
> link_args: config_host['GNUTLS_LIBS'].split())
> endif
> -pixman = declare_dependency(compile_args:
> config_host['PIXMAN_CFLAGS'].split(),
> - link_args: config_host['PIXMAN_LIBS'].split())
> +pixman = not_found
> +if have_system or have_tools
> + pixman = dependency('pixman', required: have_system, version:'>=0.21.8',
> + static: enable_static)
> +endif
With the dependency from another patch that have_system and have_tools
are initialized earlier in this file:
Reviewed-by: Thomas Huth <thuth@redhat.com>