Mesa (master): meson: Revert commit overriding C++ standard with gnu++11 on ppc64el

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Module: Mesa
Branch: master
Commit: 5a27efdf0e36be8e36390c6a27eef91cbef21e71
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=5a27efdf0e36be8e36390c6a27eef91cbef21e71

Author: Frédéric Bonnard <frediz at debian.org>
Date:   Thu May  7 16:30:52 2020 +0200

meson: Revert commit overriding C++ standard with gnu++11 on ppc64el

Since a few versions, mesa now needs c++14 and compiling with gnu++11
on ppc64el fails.
Let's use the default standard and fix the collision of types between
c++ and altivec in a another patch.

Cc: mesa-stable
Signed-off-by: Frédéric Bonnard <frediz at debian.org>
Reviewed-by: Francisco Jerez <currojerez at riseup.net>
Reviewed-by: Dylan Baker <dylan at pnwbakers.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4948>

---

 meson.build                              | 9 ---------
 src/gallium/frontends/clover/meson.build | 4 ----
 2 files changed, 13 deletions(-)

diff --git a/meson.build b/meson.build
index 464bbed485a..60c50c21dc1 100644
--- a/meson.build
+++ b/meson.build
@@ -777,7 +777,6 @@ if _power8 != 'disabled'
 endif
 
 _opencl = get_option('gallium-opencl')
-clover_cpp_std = []
 if _opencl != 'disabled'
   if not with_gallium
     error('OpenCL Clover implementation requires at least one gallium driver.')
@@ -796,14 +795,6 @@ if _opencl != 'disabled'
     dep_spirv_tools = null_dep
     dep_llvmspirvlib = null_dep
   endif
-
-  if host_machine.cpu_family().startswith('ppc') and cpp.compiles('''
-      #if !defined(__VEC__) || !defined(__ALTIVEC__)
-      #error "AltiVec not enabled"
-      #endif''',
-      name : 'Altivec')
-    clover_cpp_std += ['cpp_std=gnu++11']
-  endif
 else
   dep_clc = null_dep
   dep_spirv_tools = null_dep
diff --git a/src/gallium/frontends/clover/meson.build b/src/gallium/frontends/clover/meson.build
index 4d429b9a28c..cbd31a68f73 100644
--- a/src/gallium/frontends/clover/meson.build
+++ b/src/gallium/frontends/clover/meson.build
@@ -72,7 +72,6 @@ libclllvm = static_library(
   ],
   gnu_symbol_visibility : 'hidden',
   dependencies : [dep_llvm, dep_elf, dep_llvmspirvlib],
-  override_options : clover_cpp_std,
 )
 
 libclspirv = static_library(
@@ -82,7 +81,6 @@ libclspirv = static_library(
   cpp_args : [clover_opencl_cpp_args, clover_spirv_cpp_args],
   gnu_symbol_visibility : 'hidden',
   dependencies : [dep_spirv_tools],
-  override_options : clover_cpp_std,
 )
 
 libclnir = static_library(
@@ -92,7 +90,6 @@ libclnir = static_library(
   dependencies : idep_nir,
   cpp_args : [clover_opencl_cpp_args, clover_spirv_cpp_args],
   gnu_symbol_visibility : 'hidden',
-  override_options : clover_cpp_std,
 )
 
 clover_files = files(
@@ -162,5 +159,4 @@ libclover = static_library(
   ],
   gnu_symbol_visibility : 'hidden',
   link_with : [libclllvm, libclspirv, libclnir],
-  override_options : clover_cpp_std,
 )