meson: maintain names of shared API libraries

Mesa uses the lib prefix, and doesn't use a version for it's dynamic
libraries, which meson defaults to.

v2: - this patch

Acked-by: Eric Engestrom <eric.engestrom@intel.com>
Acked-by: Kristian H. Kristensen <hoegsberg@google.com>

src/mapi/es1api/meson.build

@@ -47,7 +47,9 @@ libglesv1_cm = shared_library(
   include_directories : [inc_src, inc_include, inc_mapi],
   link_with : libglapi,
   dependencies : [dep_thread, dep_libdrm, dep_m, dep_dl],
+  soversion : host_machine.system() == 'windows' ? '' : '1',
   version : '1.1.0',
+  name_prefix : 'lib',
   install : true,
 )
 

src/mapi/es2api/meson.build

@@ -47,7 +47,9 @@ libgles2 = shared_library(
   include_directories : [inc_src, inc_include, inc_mapi],
   link_with : libglapi,
   dependencies : [dep_thread, dep_libdrm, dep_m, dep_dl],
+  soversion : host_machine.system() == 'windows' ? '' : '2',
   version : '2.0.0',
+  name_prefix : 'lib',
   install : true,
 )
 

src/mapi/shared-glapi/meson.build

@@ -55,7 +55,9 @@ libglapi = shared_library(
   link_args : [ld_args_gc_sections],
   include_directories : [inc_src, inc_include, inc_mapi],
   dependencies : [dep_thread, dep_selinux],
+  soversion : host_machine.system() == 'windows' ? '' : '0',
   version : '0.0.0',
+  name_prefix : 'lib',
   install : true,
 )