[Mesa-dev] [PATCH] meson: Don't confuse the install and search paths for dri drivers

[Dylan Baker]

Currently there is not a separate option for setting the search path of
DRI drivers in meson, like there is in scons and autotools. This is an
oversight and needs to be fixed. This adds an extra option
`dri-search-path`, which will default to the value of
`dri-drivers-path`, like autotools does.

Reported-by: Ilia Mirkin <imirkin at alum.mit.edu>
Signed-off-by: Dylan Baker <dylan.c.baker at intel.com>
---
 meson.build         | 6 ++++++
 meson_options.txt   | 8 +++++++-
 src/egl/meson.build | 2 +-
 src/gbm/meson.build | 2 +-
 src/glx/meson.build | 3 ++-
 5 files changed, 17 insertions(+), 4 deletions(-)

diff --git a/meson.build b/meson.build
index ae31cdd6571..8002668666b 100644
--- a/meson.build
+++ b/meson.build
@@ -57,6 +57,12 @@ dri_drivers_path = get_option('dri-drivers-path')
 if dri_drivers_path == ''
   dri_drivers_path = join_paths(get_option('libdir'), 'dri')
 endif
+_search = get_option('dri-search-path')
+if _search != ''
+  dri_search_path = ';'.join(_search)
+else
+  dri_search_path = dri_drivers_path
+endif
 
 with_gles1 = get_option('gles1')
 with_gles2 = get_option('gles2')
diff --git a/meson_options.txt b/meson_options.txt
index 894378985fd..e541659733f 100644
--- a/meson_options.txt
+++ b/meson_options.txt
@@ -41,7 +41,13 @@ option(
   'dri-drivers-path',
   type : 'string',
   value : '',
-  description : 'Location of dri drivers. Default: $libdir/dri.'
+  description : 'Location to install dri drivers. Default: $libdir/dri.'
+)
+option(
+  'dri-search-path',
+  type : 'string',
+  value : '',
+  description : 'Locations to search for dri drivers, passed as comma separated list. Default: dri-drivers-path.'
 )
 option(
   'gallium-drivers',
diff --git a/src/egl/meson.build b/src/egl/meson.build
index df6e8b49dac..6cd04567b0d 100644
--- a/src/egl/meson.build
+++ b/src/egl/meson.build
@@ -160,7 +160,7 @@ libegl = shared_library(
   c_args : [
     c_vis_args,
     c_args_for_egl,
-    '-DDEFAULT_DRIVER_DIR="@0@"'.format(dri_driver_dir),
+    '-DDEFAULT_DRIVER_DIR="@0@"'.format(dri_search_path),
     '-D_EGL_BUILT_IN_DRIVER_DRI2',
     '-D_EGL_NATIVE_PLATFORM=_EGL_PLATFORM_ at 0@'.format(egl_native_platform.to_upper()),
   ],
diff --git a/src/gbm/meson.build b/src/gbm/meson.build
index 14b9e960360..2f5d1c6ddd7 100644
--- a/src/gbm/meson.build
+++ b/src/gbm/meson.build
@@ -38,7 +38,7 @@ incs_gbm = [
 if with_dri2
   files_gbm += files('backends/dri/gbm_dri.c', 'backends/dri/gbm_driint.h')
   deps_gbm += dep_libdrm # TODO: pthread-stubs
-  args_gbm += '-DDEFAULT_DRIVER_DIR="@0@"'.format(dri_driver_dir)
+  args_gbm += '-DDEFAULT_DRIVER_DIR="@0@"'.format(dri_search_path)
 endif
 if with_platform_wayland
   deps_gbm += dep_wayland_server
diff --git a/src/glx/meson.build b/src/glx/meson.build
index 04cd647ee49..508e7583ee5 100644
--- a/src/glx/meson.build
+++ b/src/glx/meson.build
@@ -128,7 +128,8 @@ else
 endif
 
 gl_lib_cargs = [
-  '-D_REENTRANT', '-DDEFAULT_DRIVER_DIR="@0@"'.format(dri_driver_dir),
+  '-D_REENTRANT',
+  '-DDEFAULT_DRIVER_DIR="@0@"'.format(dri_search_path),
 ]
 
 if dep_xxf86vm != [] and dep_xxf86vm.found()
-- 
2.15.1