X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=meson.build;h=5d7b31123044c0e203297d2337b72892edcda582;hb=babd87f2e0865fde1386c4797131c26265b2da09;hp=c9b4e366ea335a4fe6eda8a7540704ff30aa16da;hpb=60ad006b27e1e577e29636e56178523893051968;p=mesa.git

diff --git a/meson.build b/meson.build
index c9b4e366ea3..5d7b3112304 100644
--- a/meson.build
+++ b/meson.build
@@ -293,7 +293,7 @@ endif
 _platforms = get_option('platforms')
 if _platforms.contains('auto')
   if system_has_kms_drm
-    _platforms = ['x11', 'wayland', 'drm']
+    _platforms = ['x11', 'wayland']
   elif ['darwin', 'cygwin'].contains(host_machine.system())
     _platforms = ['x11']
   elif ['haiku'].contains(host_machine.system())
@@ -309,7 +309,6 @@ endif
 with_platform_android = _platforms.contains('android')
 with_platform_x11 = _platforms.contains('x11')
 with_platform_wayland = _platforms.contains('wayland')
-with_platform_drm = _platforms.contains('drm')
 with_platform_haiku = _platforms.contains('haiku')
 with_platform_windows = _platforms.contains('windows')
 
@@ -317,6 +316,10 @@ if _platforms.contains('surfaceless')
   warning('Platform `surfaceless` is now always selected; setting this option will be an error in Mesa 20.3')
 endif
 
+if _platforms.contains('drm')
+  warning('Platform `drm` is now automatically selected; setting this option will be an error in Mesa 20.3')
+endif
+
 if _platforms.length() != 0
   egl_native_platform = _platforms[0]
 else
@@ -382,7 +385,7 @@ elif _xlib_lease == 'false'
   warning('xlib_lease option "false" deprecated, please use "disabled" instead.')
 endif
 if _xlib_lease == 'auto'
-  with_xlib_lease = with_platform_x11 and with_platform_drm
+  with_xlib_lease = with_platform_x11 and with_gbm
 else
   with_xlib_lease = _xlib_lease == 'enabled'
 endif
@@ -822,10 +825,7 @@ else
   pre_args += '-DEGL_NO_X11'
   gl_pkgconfig_c_flags += '-DEGL_NO_X11'
 endif
-if with_platform_drm
-  if with_egl and not with_gbm
-    error('EGL drm platform requires gbm')
-  endif
+if with_gbm
   pre_args += '-DHAVE_DRM_PLATFORM'
 endif
 if with_platform_android
@@ -1355,7 +1355,7 @@ dep_libdrm_intel = null_dep
 
 _drm_amdgpu_ver = '2.4.100'
 _drm_radeon_ver = '2.4.71'
-_drm_nouveau_ver = '2.4.66'
+_drm_nouveau_ver = '2.4.102'
 _drm_intel_ver = '2.4.75'
 _drm_ver = '2.4.81'
 
@@ -1757,6 +1757,19 @@ else
   dep_lmsensors = null_dep
 endif
 
+# If the compiler supports it, put function and data symbols in their
+# own sections and GC the sections after linking.  This lets drivers
+# drop shared code unused by that specific driver (particularly
+# relevant for Vulkan drivers).
+if cc.has_link_argument('-Wl,--gc-sections')
+  add_project_arguments('-Wl,--gc-sections', language : ['c', 'cpp'])
+  foreach a: ['-ffunction-sections', '-fdata-sections']
+    if cc.has_argument(a)
+      add_project_arguments(a, language : ['c', 'cpp'])
+    endif
+  endforeach
+endif
+
 foreach a : pre_args
   add_project_arguments(a, language : ['c', 'cpp'])
 endforeach
@@ -1881,6 +1894,9 @@ endif
 lines += 'GBM:             ' + (with_gbm ? 'yes' : 'no')
 if with_egl or with_any_vk
   _platforms += 'surfaceless'
+  if with_gbm
+    _platforms += 'drm'
+  endif
   lines += 'EGL/Vulkan/VL platforms:   ' + ' '.join(_platforms)
 endif