meson: move cc and cpp definitions to top of main meson.build

This just makes using cc and cpp easier.

v2: - Add this patch to fix altivec

Signed-off-by: Dylan Baker <dylan.c.baker@intel.com>
Reviewed-by: Eric Engestrom <eric.engestrom@intel.com>
Reviewed-by: Matt Turner <mattst88@gmail.com>

diff --git a/meson.build b/meson.build
index 160bbfa30ba8b2f7c547469278c28baf9507848e..16866d77ed32cda90e23737796c9b6c623c8aa3d 100644 (file)
--- a/meson.build
+++ b/meson.build
@@ -29,6 +29,9 @@ project(
   default_options : ['buildtype=debugoptimized', 'c_std=c99', 'cpp_std=c++11']
 )
 
+cc = meson.get_compiler('c')
+cpp = meson.get_compiler('cpp')
+
 null_dep = dependency('', required : false)
 
 system_has_kms_drm = ['openbsd', 'netbsd', 'freebsd', 'dragonfly', 'linux'].contains(host_machine.system())
@@ -669,7 +672,6 @@ if has_mako.returncode() != 0
   error('Python (2.x) mako module required to build mesa.')
 endif
 
-cc = meson.get_compiler('c')
 if cc.get_id() == 'gcc' and cc.version().version_compare('< 4.4.6')
   error('When using GCC, version 4.4.6 or later is required.')
 endif
@@ -749,7 +751,6 @@ if cc.has_argument('-fvisibility=hidden')
 endif
 
 # Check for generic C++ arguments
-cpp = meson.get_compiler('cpp')
 cpp_args = []
 foreach a : ['-Wall', '-fno-math-errno', '-fno-trapping-math',
              '-Qunused-arguments']