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2020-08-21libqemuutil, qapi, trace: convert to mesonPaolo Bonzini2-6/+2
This shows how to do some "computations" in meson.build using its array and dictionary data structures, and also a basic usage of the sourceset module for conditional compilation. Notice the new "if have_system" part of util/meson.build, which fixes a bug in the old build system was buggy: util/dbus.c was built even for non-softmmu builds, but the dependency on -lgio was lost when the linking was done through libqemuutil.a. Because all of its users required gio otherwise, the bug was hidden. Meson instead propagates libqemuutil's dependencies down to its users, and shows the problem. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-08-21meson: add testsuite Makefile generatorPaolo Bonzini3-2/+111
Rules to execute tests are generated by a simple Python program that integrates into the existing "make check" mechanism. This provides familiarity for developers, and also allows piecewise conversion of the testsuite Makefiles to meson. The generated rules are based on QEMU's existing test harness Makefile and TAP parser. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-08-21meson: add sparse supportPaolo Bonzini4-6/+35
Do not use cgcc; instead, extract compilation commands from compile_commands.json and invoke sparse directly. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-08-21meson: use coverage optionMarc-André Lureau5-42/+6
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-08-21meson: enable pieMarc-André Lureau1-0/+1
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-08-21meson: move summary to meson.buildPaolo Bonzini2-237/+245
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-08-21build-sys: add meson submoduleMarc-André Lureau4-8/+69
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-08-21build-sys hack: link with whole .fa archivesMarc-André Lureau1-5/+13
In order to link the *-obj-y files into tests, we will make static libraries of them in Meson, and then link them as whole archives into the tests. To separate regular static libraries from link-whole libraries, give them a different file extension. Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-08-21configure: generate Meson cross fileMarc-André Lureau2-10/+69
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-08-21configure: integrate Meson in the build systemPaolo Bonzini4-22/+1107
The Meson build system is integrated in the existing configure/make steps by invoking Meson from the configure script and converting Meson's build.ninja rules to an included Makefile. build.ninja already provides tags/ctags/cscope rules, so they are removed. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-08-21configure: add support for pseudo-"in source tree" buildsDaniel P. Berrangé2-3/+51
Meson requires the build dir to be separate from the source tree. Many people are used to just running "./configure && make" though and the meson conversion breaks that. This introduces some backcompat support to make it appear as if an "in source tree" build is being done, but with the results in the "build/" directory. This allows "./configure && make" to work as it did historically, albeit with the output binaries staying under build/. Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Daniel P. Berrangé <berrange@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-08-21tests/vm: include setuptoolsPao