Fix "test cases/linuxlike/14 static dynamic linkage" on Solaris

Solaris doesn't ship static libraries, so the test can't rely on libz.a
existing on Solaris.

Signed-off-by: Alan Coopersmith <alan.coopersmith@oracle.com>

test cases/linuxlike/14 static dynamic linkage/meson.build

@@ -1,22 +1,36 @@
 project('static dynamic', 'c')
 
+# Solaris does not ship static libraries
+if host_machine.system() == 'sunos'
+  has_static = false
+else
+  has_static = true
+endif
 
 cc = meson.get_compiler('c')
 
 z_default = cc.find_library('z')
+if has_static
   z_static = cc.find_library('z', static: true)
+endif
 z_dynamic = cc.find_library('z', static: false)
 
 exe_default = executable('main_default', 'main.c', dependencies: [z_default])
+if has_static
   exe_static = executable('main_static', 'main.c', dependencies: [z_static])
+endif
 exe_dynamic = executable('main_dynamic', 'main.c', dependencies: [z_dynamic])
 
 test('test default', exe_default)
+if has_static
   test('test static', exe_static)
+endif
 test('test dynamic', exe_dynamic)
 
+if has_static
   test('verify static linking', find_program('verify_static.py'),
       args: ['--platform=' + host_machine.system(), exe_static.full_path()])
+endif
 test('verify dynamic linking', find_program('verify_static.py'),
     args: ['--platform=' + host_machine.system(), exe_dynamic.full_path()],
     should_fail: true)