meson: add configuration summary

The message block printed is the same as the one in configure.ac

Signed-off-by: Eric Engestrom <eric.engestrom@imgtec.com>
diff --git a/meson.build b/meson.build
index 15a2b08..7bf2681 100644
--- a/meson.build
+++ b/meson.build
@@ -373,3 +373,20 @@
 endif
 subdir('data')
 subdir('tests')
+
+message('')
+message('@0@ will be compiled with:'.format(meson.project_name()))
+message('')
+message('  libkms         @0@'.format(with_libkms))
+message('  Intel API      @0@'.format(with_intel))
+message('  vmwgfx API     @0@'.format(with_vmwgfx))
+message('  Radeon API     @0@'.format(with_radeon))
+message('  AMDGPU API     @0@'.format(with_amdgpu))
+message('  Nouveau API    @0@'.format(with_nouveau))
+message('  OMAP API       @0@'.format(with_omap))
+message('  EXYNOS API     @0@'.format(with_exynos))
+message('  Freedreno API  @0@ (kgsl: @1@)'.format(with_freedreno, with_freedreno_kgsl))
+message('  Tegra API      @0@'.format(with_tegra))
+message('  VC4 API        @0@'.format(with_vc4))
+message('  Etnaviv API    @0@'.format(with_etnaviv))
+message('')