with_valgrind = get_option('valgrind')
with_libunwind = get_option('libunwind')
with_asm = get_option('asm')
+with_glx_read_only_text = get_option('glx-read-only-text')
with_osmesa = get_option('osmesa')
with_swr_arches = get_option('swr-arches')
with_tools = get_option('tools')
error('EGL requires dri')
elif not with_shared_glapi
error('EGL requires shared-glapi')
- elif with_platforms
+ elif not with_platforms
error('No platforms specified, consider -Dplatforms=drm,x11 at least')
elif not ['disabled', 'dri'].contains(with_glx)
error('EGL requires dri, but a GLX is being built without dri')
# TODO: powr8
# TODO: shared/static? Is this even worth doing?
-# Building x86 assembly code requires running x86 binaries. It is possible for
-# x86_64 OSes to run x86 binaries, so don't disable asm in those cases
-# TODO: it should be possible to use an exe_wrapper to run the binary during
-# the build.
+# When cross compiling we generally need to turn off the use of assembly,
+# because mesa's assembly relies on building an executable for the host system,
+# and running it to get information about struct sizes. There is at least one
+# case of cross compiling where we can use asm, and that's x86_64 -> x86 when
+# host OS == build OS, since in that case the build machine can run the host's
+# binaries.
if meson.is_cross_build()
- if not (build_machine.cpu_family() == 'x86_64' and host_machine.cpu_family() == 'x86'
- and build_machine.system() == host_machine.system())
- message('Cross compiling to x86 from non-x86, disabling asm')
+ if build_machine.system() != host_machine.system()
+ # TODO: It may be possible to do this with an exe_wrapper (like wine).
+ message('Cross compiling from one OS to another, disabling assembly.')
+ with_asm = false
+ elif not (build_machine.cpu_family().startswith('x86') and host_machine.cpu_family() == 'x86')
+ # FIXME: Gentoo always sets -m32 for x86_64 -> x86 builds, resulting in an
+ # x86 -> x86 cross compile. We use startswith rather than == to handle this
+ # case.
+ # TODO: There may be other cases where the 64 bit version of the
+ # architecture can run 32 bit binaries (aarch64 and armv7 for example)
+ message('''
+ Cross compiling to different architectures, and the host cannot run
+ the build machine's binaries. Disabling assembly.
+ ''')
with_asm = false
endif
endif
with_asm_arch = 'x86'
pre_args += ['-DUSE_X86_ASM', '-DUSE_MMX_ASM', '-DUSE_3DNOW_ASM',
'-DUSE_SSE_ASM']
+
+ if with_glx_read_only_text
+ pre_args += ['-DGLX_X86_READONLY_TEXT']
+ endif
endif
elif host_machine.cpu_family() == 'x86_64'
if system_has_kms_drm
dep_wl_protocols = dependency('wayland-protocols', version : '>= 1.8')
dep_wayland_client = dependency('wayland-client', version : '>=1.11')
dep_wayland_server = dependency('wayland-server', version : '>=1.11')
+ if with_egl
+ dep_wayland_egl = dependency('wayland-egl-backend', version : '>= 3')
+ dep_wayland_egl_headers = declare_dependency(
+ compile_args : run_command(prog_pkgconfig, ['wayland-egl-backend', '--cflags']).stdout().split())
+ endif
wayland_dmabuf_xml = join_paths(
dep_wl_protocols.get_pkgconfig_variable('pkgdatadir'), 'unstable',
'linux-dmabuf', 'linux-dmabuf-unstable-v1.xml'