validate: use extract_objects to avoid rebuilding all files for the tracer

And add the tracer to the plugins list so it can be used in our
uninstalled environment.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-devtools/-/merge_requests/250>

meson.build

@@ -148,6 +148,7 @@ if get_option('default_library') == 'shared'
 endif
 pkgconfig_subdirs = ['gstreamer-1.0']
 
+plugins_doc_dep = []
 plugins = []
 i18n = import('i18n')
 

validate/gst/validate/meson.build

@@ -1,5 +1,4 @@
 gstvalidate_sources = [
-    'gst-validate-runner.c',
     'gst-validate-reporter.c',
     'gst-validate-mockdecryptor.c',
     'gst-validate-monitor.c',
@@ -58,7 +57,7 @@ gst_validate_enums = gnome.mkenums('gstvalidateenumtypes',
 
 validate_deps = [gst_check_dep, gst_dep, gst_controller_dep, gstbase_dep, glib_dep, gio_dep, gmodule_dep, gst_pbutils_dep, mathlib, json_dep]
 gstvalidate = library('gstvalidate-1.0',
-    sources: gstvalidate_sources + gst_validate_enums,
+    sources: files('gst-validate-runner.c') + gstvalidate_sources + gst_validate_enums,
     version : libversion,
     soversion : soversion,
     darwin_versions : osxversion,
@@ -68,13 +67,15 @@ gstvalidate = library('gstvalidate-1.0',
     dependencies : validate_deps)
 
 gstvalidatetracer = library('gstvalidatetracer',
-    sources: gstvalidate_sources + gst_validate_enums,
+    sources: files('gst-validate-runner.c') + gst_validate_enums,
     include_directories : [inc_dirs],
     install: true,
     c_args : [gst_c_args] + ['-D__GST_VALIDATE_PLUGIN', '-D_GNU_SOURCE'],
     install_dir : plugins_install_dir,
+    objects: gstvalidate.extract_objects(gstvalidate_sources),
     dependencies : validate_deps)
 
+plugins += gstvalidatetracer
 pkgconfig.generate(gstvalidate,
   libraries : [gst_dep],
   subdirs : pkgconfig_subdirs,