From 5e71efef44b992b5d70bbc1872ff230ae211141d Mon Sep 17 00:00:00 2001
From: Dylan Baker <dylan@pnwbakers.com>
Date: Tue, 28 Nov 2017 16:42:37 -0800
Subject: [PATCH] meson: Add lmsensors support

v2: - Make -Dlmsensors=false work
    - Simplify auto and true cases

Signed-off-by: Dylan Baker <dylanx.c.baker@intel.com>
Reviewed-by: Eric Engestrom <eric.engestrom@imgtec.com>
---
 meson.build                               | 11 +++++++++++
 meson_options.txt                         |  7 +++++++
 src/gallium/drivers/etnaviv/meson.build   |  2 +-
 src/gallium/drivers/freedreno/meson.build |  1 +
 src/gallium/drivers/nouveau/meson.build   |  2 +-
 src/gallium/drivers/r300/meson.build      |  4 +++-
 src/gallium/targets/dri/meson.build       |  2 +-
 7 files changed, 25 insertions(+), 4 deletions(-)

diff --git a/meson.build b/meson.build
index 2115871931d..65c6b98609e 100644
--- a/meson.build
+++ b/meson.build
@@ -926,6 +926,17 @@ if get_option('gallium-extra-hud')
   pre_args += '-DHAVE_GALLIUM_EXTRA_HUD=1'
 endif
 
+_sensors = get_option('lmsensors')
+if _sensors != 'false'
+  dep_lmsensors = cc.find_library('libsensors', required : _sensors == 'true')
+  if dep_lmsensors.found()
+    pre_args += '-DHAVE_LIBSENSORS=1'
+  endif
+else
+  dep_lmsensors = []
+endif
+
+
 # TODO: nine
 
 # TODO: clover
diff --git a/meson_options.txt b/meson_options.txt
index fb1b63331ca..bcd63cc374f 100644
--- a/meson_options.txt
+++ b/meson_options.txt
@@ -157,6 +157,13 @@ option(
   choices : ['auto', 'true', 'false'],
   description : 'Use libunwind for stack-traces'
 )
+option(
+  'lmsensors',
+  type : 'combo',
+  value : 'auto',
+  choices : ['auto', 'true', 'false'],
+  description : 'Enable HUD lmsensors support.'
+)
 option(
   'build-tests',
   type : 'boolean',
diff --git a/src/gallium/drivers/etnaviv/meson.build b/src/gallium/drivers/etnaviv/meson.build
index ac0231ea0e8..01cb45240fc 100644
--- a/src/gallium/drivers/etnaviv/meson.build
+++ b/src/gallium/drivers/etnaviv/meson.build
@@ -97,6 +97,6 @@ etnaviv_compiler = executable(
   'etnaviv_compiler_cmdline.c',
   include_directories : [inc_include, inc_src, inc_gallium, inc_gallium_aux],
   link_with : [libmesa_util, libgallium, libetnaviv],
-  dependencies : dep_libdrm_etnaviv,
+  dependencies : [dep_libdrm_etnaviv, dep_lmsensors],
   build_by_default : false,
 )
diff --git a/src/gallium/drivers/freedreno/meson.build b/src/gallium/drivers/freedreno/meson.build
index 01b5836be29..8dd2cc2e8fe 100644
--- a/src/gallium/drivers/freedreno/meson.build
+++ b/src/gallium/drivers/freedreno/meson.build
@@ -218,6 +218,7 @@ ir3_compiler = executable(
     dep_libdrm,
     dep_libdrm_freedreno,
     dependency('threads'),
+    dep_lmsensors,
   ],
   link_with : [
     libfreedreno,
diff --git a/src/gallium/drivers/nouveau/meson.build b/src/gallium/drivers/nouveau/meson.build
index 59fecfc5255..b62494b2966 100644
--- a/src/gallium/drivers/nouveau/meson.build
+++ b/src/gallium/drivers/nouveau/meson.build
@@ -217,7 +217,7 @@ nouveau_compiler = executable(
   'nouveau_compiler',
   'nouveau_compiler.c',
   include_directories : [inc_src, inc_include, inc_gallium, inc_gallium_aux],
-  dependencies : [dep_libdrm, dep_libdrm_nouveau],
+  dependencies : [dep_libdrm, dep_libdrm_nouveau, dep_lmsensors],
   link_with : [libnouveau, libgallium, libmesa_util],
   build_by_default : false,
 )
diff --git a/src/gallium/drivers/r300/meson.build b/src/gallium/drivers/r300/meson.build
index 0d525d8d1b3..dac0bc833e5 100644
--- a/src/gallium/drivers/r300/meson.build
+++ b/src/gallium/drivers/r300/meson.build
@@ -150,7 +150,9 @@ if with_tests
         include_directories('compiler'),
       ],
       link_with : [libr300, libgallium, libmesa_util],
-      dependencies : [dep_m, dep_clock, dep_dl, dep_thread, dep_unwind],
+      dependencies : [
+        dep_m, dep_clock, dep_dl, dep_thread, dep_unwind, dep_lmsensors,
+      ],
     )
   )
 endif
diff --git a/src/gallium/targets/dri/meson.build b/src/gallium/targets/dri/meson.build
index 323b337266f..c23b47216ea 100644
--- a/src/gallium/targets/dri/meson.build
+++ b/src/gallium/targets/dri/meson.build
@@ -163,7 +163,7 @@ libgallium_dri = shared_library(
   ],
   dependencies : [
     gallium_dri_depends, dep_selinux, dep_expat, dep_libdrm, dep_llvm,
-    dep_thread,
+    dep_thread, dep_lmsensors,
   ],
 )