meson: use static library for tests

Needed as tests use private APIs that are not exported.

Signed-off-by: Rosen Penev <rosenp@gmail.com>

meson.build

@@ -225,6 +225,12 @@ endif
 
 add_project_arguments(cc.get_supported_arguments('-Wno-unused-parameter'), language : 'c')
 
+sym = cc.get_supported_link_arguments(
+  '-Wl,--version-script,@0@/json-c.sym'.format(
+    meson.current_source_dir(),
+  ),
+)
+
 # Source files
 sources = files(
   'arraylist.c', 'debug.c', 'json_c_version.c', 'json_object.c',
@@ -249,6 +255,7 @@ libjson = library('json-c',
   include_directories: inc,
   dependencies: bsd_dep,
   install: true,
+  link_args: sym,
   version: '5.4.0',
   soversion: '5',
 )

tests/meson.build

@@ -1,5 +1,16 @@
-test_includes = include_directories('.')
+#This hack is needed for Windows tests
-test_deps = [jsonc_dep]
+test_lib = static_library(
+  'jsonctest',
+  objects: libjson.extract_all_objects(
+    recursive: false,
+  ),
+  install: false,
+)
+
+test_deps = declare_dependency(
+  include_directories: '..',
+  link_with: test_lib,
+)
 
 # List of test sources and expected output files
 test_cases = [
@@ -53,7 +64,6 @@ foreach t : test_cases
   name = t[0]
   expected = t[1]
   exe = executable(name, name + '.c',
-    include_directories: test_includes,
     dependencies: test_deps
   )