Glib: Make libelf dependency optional

recipes/glib/all/conanfile.py

@@ -48,6 +48,10 @@ def configure(self):
                 "glib can not be built as static library on Windows. "
                 "see https://gitlab.gnome.org/GNOME/glib/-/issues/692"
             )
+        if tools.Version(self.version) < "2.67.0":
+            if not self.options.with_elf:
+                self.output.warn("libelf dependency can't be disabled in glib < 2.67.0")
+            del self.options.with_elf
 
     def config_options(self):
         if self.settings.os == "Windows":
@@ -66,7 +70,7 @@ def requirements(self):
         self.requires("libffi/3.3")
         if self.options.with_pcre:
             self.requires("pcre/8.44")
-        if self.options.with_elf:
+        if self.options.get_safe("with_elf", True):
             self.requires("libelf/0.8.13")
         if self.options.get_safe("with_mount"):
             self.requires("libmount/2.36")
@@ -96,12 +100,17 @@ def _configure_meson(self):
         if self.settings.os == "FreeBSD":
             defs["xattr"] = "false"
         defs["tests"] = "false"
+
+        if tools.Version(self.version) >= "2.67.0":
+            defs["libelf"] = "enabled" if self.options.with_elf else "disabled"
+
         meson.configure(
             source_folder=self._source_subfolder,
             args=["--wrap-mode=nofallback"],
             build_folder=self._build_subfolder,
             defs=defs,
         )
+
         return meson
 
     def _patch_sources(self):
@@ -276,10 +285,11 @@ def package_info(self):
             self.package_folder, "bin", "glib-compile-schemas"
         )
 
-        self.cpp_info.components["gresource"].libs = []  # this is actualy an executable
-        self.cpp_info.components["gresource"].requires.append(
-            "libelf::libelf"
-        )  # this is actualy an executable
+        self.cpp_info.components["gresource"].libs = []  # this is actually an executable
+        if self.options.get_safe("with_elf", True):
+            self.cpp_info.components["gresource"].requires.append(
+                "libelf::libelf"
+            )  # this is actualy an executable
 
         bin_path = os.path.join(self.package_folder, "bin")
         self.output.info("Appending PATH env var with: {}".format(bin_path))