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| author | Paolo Bonzini <pbonzini@redhat.com> | 2021-08-11 12:05:50 +0200 |
|---|---|---|
| committer | Alex Bennée <alex.bennee@linaro.org> | 2021-09-02 11:29:34 +0100 |
| commit | b906acace2d4f68b6ff8de73739a773cc4851436 (patch) | |
| tree | 42e6cd9dda73a14c6d714e175c6e989b6ea0a7cd /plugins/meson.build | |
| parent | 40e916b4bc414c730df48c7d4405e66c8691756f (diff) | |
| download | qemu-b906acace2d4f68b6ff8de73739a773cc4851436.zip qemu-b906acace2d4f68b6ff8de73739a773cc4851436.tar.gz qemu-b906acace2d4f68b6ff8de73739a773cc4851436.tar.bz2 | |
plugins: do not limit exported symbols if modules are active
On Mac --enable-modules and --enable-plugins are currently incompatible, because the
Apple -Wl,-exported_symbols_list command line options prevents the export of any
symbols needed by the modules. On x86 -Wl,--dynamic-list does not have this effect,
but only because the -Wl,--export-dynamic option provided by gmodule-2.0.pc overrides
it. On Apple there is no -Wl,--export-dynamic, because it is the default, and thus
no override.
Either way, when modules are active there is no reason to include the plugin_ldflags.
While at it, avoid the useless -Wl,--export-dynamic when --enable-plugins is
specified but --enable-modules is not; this way, the GNU and Apple configurations
are more similar.
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/516
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
[AJB: fix noexport to no-export]
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20210811100550.54714-1-pbonzini@redhat.com>
Cc: qemu-stable@nongnu.org
Diffstat (limited to 'plugins/meson.build')
| -rw-r--r-- | plugins/meson.build | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/plugins/meson.build b/plugins/meson.build index e777230..bfd5c98 100644 --- a/plugins/meson.build +++ b/plugins/meson.build @@ -1,9 +1,11 @@ -if 'CONFIG_HAS_LD_DYNAMIC_LIST' in config_host - plugin_ldflags = ['-Wl,--dynamic-list=' + (meson.build_root() / 'qemu-plugins-ld.symbols')] -elif 'CONFIG_HAS_LD_EXPORTED_SYMBOLS_LIST' in config_host - plugin_ldflags = ['-Wl,-exported_symbols_list,' + (meson.build_root() / 'qemu-plugins-ld64.symbols')] -else - plugin_ldflags = [] +plugin_ldflags = [] +# Modules need more symbols than just those in plugins/qemu-plugins.symbols +if not enable_modules + if 'CONFIG_HAS_LD_DYNAMIC_LIST' in config_host + plugin_ldflags = ['-Wl,--dynamic-list=' + (meson.build_root() / 'qemu-plugins-ld.symbols')] + elif 'CONFIG_HAS_LD_EXPORTED_SYMBOLS_LIST' in config_host + plugin_ldflags = ['-Wl,-exported_symbols_list,' + (meson.build_root() / 'qemu-plugins-ld64.symbols')] + endif endif specific_ss.add(when: 'CONFIG_PLUGIN', if_true: [files( |