illumos ld does not support --version-script.
Use -M instead.

--- "meson-1.6.0/test cases/linuxlike/3 linker script/meson.build.orig"
+++ "meson-1.6.0/test cases/linuxlike/3 linker script/meson.build"
@@ -1,14 +1,8 @@
 project('linker script', 'c')
 
-# Solaris 11.4 ld supports --version-script only when you also specify
-# -z gnu-version-script-compat
-if meson.get_compiler('c').get_linker_id() == 'ld.solaris'
-  add_project_link_arguments('-Wl,-z,gnu-version-script-compat', language: 'C')
-endif
-
 # Static map file
 mapfile = 'bob.map'
-vflag = '-Wl,--version-script,@0@/@1@'.format(meson.current_source_dir(), mapfile)
+vflag = '-Wl,-M,@0@/@1@'.format(meson.current_source_dir(), mapfile)
 
 l = shared_library('bob', 'bob.c', link_args : vflag, link_depends : mapfile)
 e = executable('prog', 'prog.c', link_with : l)
@@ -22,7 +16,7 @@
   output : 'bob-conf.map',
   configuration : conf,
 )
-vflag = '-Wl,--version-script,@0@'.format(meson.current_build_dir() / 'bob-conf.map')
+vflag = '-Wl,-M,@0@'.format(meson.current_build_dir() / 'bob-conf.map')
 
 l = shared_library('bob-conf', 'bob.c', link_args : vflag, link_depends : m)
 e = executable('prog-conf', 'prog.c', link_with : l)
@@ -37,7 +31,7 @@
   output : 'bob-ct.map',
   depend_files : 'bob.map',
 )
-vflag = '-Wl,--version-script,@0@'.format(m.full_path())
+vflag = '-Wl,-M,@0@'.format(m.full_path())
 
 l = shared_library('bob-ct', ['bob.c', m], link_args : vflag, link_depends : m)
 e = executable('prog-ct', 'prog.c', link_with : l)
@@ -47,7 +41,7 @@
 
 # With map file in subdir
 mapfile = 'sub/foo.map'
-vflag = '-Wl,--version-script,@0@/@1@'.format(meson.current_source_dir(), mapfile)
+vflag = '-Wl,-M,@0@/@1@'.format(meson.current_source_dir(), mapfile)
 
 l = shared_library('bar', 'bob.c', link_args : vflag, link_depends : mapfile)
 e = executable('prog-bar', 'prog.c', link_with : l)
--- "meson-1.6.0/test cases/linuxlike/3 linker script/sub/meson.build.orig"
+++ "meson-1.6.0/test cases/linuxlike/3 linker script/sub/meson.build"
@@ -1,5 +1,5 @@
 mapfile = 'foo.map'
-vflag = '-Wl,--version-script,@0@/@1@'.format(meson.current_source_dir(), mapfile)
+vflag = '-Wl,-M,@0@/@1@'.format(meson.current_source_dir(), mapfile)
 
 l = shared_library('foo', '../bob.c', link_args : vflag, link_depends : mapfile)
 e = executable('prog-foo', '../prog.c', link_with : l)