meson-make: Scope skip-subprojects to shared

Restrict --skip-subprojects to shared library builds so subproject
devkits (gum, gumjs) are still installed in the static/bundled case
used by CI.

meson_configure.py

@@ -232,6 +232,7 @@ def configure(sourcedir: Path,
         "meson": meson,
         "build": build_config,
         "host": host_config if host_config is not build_config else None,
+        "default_library": default_library,
         "allowed_prebuilds": allowed_prebuilds,
         "deps": deps_dir,
     }))

meson_make.py

@@ -53,16 +53,20 @@ def make(sourcedir: Path,
 
     test_options = shlex.split(environ.get("FRIDA_TEST_OPTIONS", "-v"))
 
+    env_state = pickle.loads((builddir / "frida-env.dat").read_bytes())
+
+    install_options = []
+    if env_state.get("default_library") == "shared":
+        install_options += ["--skip-subprojects"]
+
     standard_targets = {
         "all": ["compile"] + compile_options,
         "clean": ["compile", "--clean"] + compile_options,
         "distclean": lambda: distclean(sourcedir, builddir),
-        "install": ["install", "--skip-subprojects"],
+        "install": ["install"] + install_options,
         "test": ["test"] + test_options,
     }
 
-    env_state = pickle.loads((builddir / "frida-env.dat").read_bytes())
-
     machine_config = env_state["host"]
     if machine_config is None:
         machine_config = env_state["build"]