meson: switch the meson builtin for symbol visiblity

This allows meson to check if the compiler supports gnu style symbol
visibility, and apply the appropriate flags as necessary, rather than us
adding them by hand

Signed-off-by: Dylan Baker <dylan@pnwbakers.com>
Reviewed-by: Simon Ser <contact@emersion.fr>

etnaviv/meson.build

@@ -31,6 +31,7 @@ libdrm_etnaviv = library(
   include_directories : [inc_root, inc_drm],
   link_with : libdrm,
   c_args : libdrm_c_args,
+  gnu_symbol_visibility : 'hidden',
   dependencies : [dep_pthread_stubs, dep_rt, dep_atomic_ops],
   version : '1.0.0',
   install : true,

exynos/meson.build

@@ -22,6 +22,7 @@ libdrm_exynos = library(
   'drm_exynos',
   [files('exynos_drm.c', 'exynos_fimg2d.c'), config_file],
   c_args : libdrm_c_args,
+  gnu_symbol_visibility : 'hidden',
   include_directories : [inc_root, inc_drm],
   link_with : libdrm,
   dependencies : [dep_pthread_stubs],

intel/meson.build

@@ -31,6 +31,7 @@ libdrm_intel = library(
   link_with : libdrm,
   dependencies : [dep_pciaccess, dep_pthread_stubs, dep_rt, dep_valgrind, dep_atomic_ops],
   c_args : libdrm_c_args,
+  gnu_symbol_visibility : 'hidden',
   version : '1.0.0',
   install : true,
 )
@@ -64,6 +65,7 @@ test_decode = executable(
   include_directories : [inc_root, inc_drm],
   link_with : [libdrm, libdrm_intel],
   c_args : libdrm_c_args,
+  gnu_symbol_visibility : 'hidden',
 )
 
 test(

meson.build

@@ -241,8 +241,8 @@ foreach a : ['unused-parameter', 'attributes', 'long-long',
 endforeach
 
 # all c args:
-libdrm_c_args = warn_c_args + ['-fvisibility=hidden']
 
+libdrm_c_args = warn_c_args
 
 dep_pciaccess = dependency('pciaccess', version : '>= 0.10', required : with_intel)
 dep_cunit = dependency('cunit', version : '>= 2.1', required : false)
@@ -323,6 +323,7 @@ libdrm = library(
   include_directories : inc_drm,
   install : true,
   kwargs : libdrm_kw,
+  gnu_symbol_visibility : 'hidden',
 )
 
 test(

nouveau/meson.build

@@ -23,6 +23,7 @@ libdrm_nouveau = library(
   'drm_nouveau',
   [files( 'nouveau.c', 'pushbuf.c', 'bufctx.c', 'abi16.c'), config_file],
   c_args : libdrm_c_args,
+  gnu_symbol_visibility : 'hidden',
   include_directories : [inc_root, inc_drm],
   link_with : libdrm,
   dependencies : [dep_threads, dep_atomic_ops],

omap/meson.build

@@ -23,6 +23,7 @@ libdrm_omap = library(
   [files('omap_drm.c'), config_file],
   include_directories : [inc_root, inc_drm],
   c_args : libdrm_c_args,
+  gnu_symbol_visibility : 'hidden',
   link_with : libdrm,
   dependencies : [dep_pthread_stubs, dep_atomic_ops],
   version : '1.0.0',

radeon/meson.build

@@ -29,6 +29,7 @@ libdrm_radeon = library(
     config_file,
   ],
   c_args : libdrm_c_args,
+  gnu_symbol_visibility : 'hidden',
   include_directories : [inc_root, inc_drm],
   link_with : libdrm,
   dependencies : [dep_pthread_stubs, dep_atomic_ops],

tegra/meson.build

@@ -25,6 +25,7 @@ libdrm_tegra = library(
   link_with : libdrm,
   dependencies : [dep_pthread_stubs, dep_atomic_ops],
   c_args : libdrm_c_args,
+  gnu_symbol_visibility : 'hidden',
   version : '0.0.0',
   install : true,
 )