diff --git a/meson.build b/meson.build
index 453fef2..0bb8aee 100644
--- a/meson.build
+++ b/meson.build
@@ -90,9 +90,39 @@
 sources = []
 if get_option('install-error-yaml').disabled()
     sdbusplus_dep = dependency('sdbusplus')
-    sdeventplus_dep = dependency('sdeventplus')
-    phosphor_logging_dep = dependency('phosphor-logging')
-    phosphor_dbus_interfaces_dep = dependency('phosphor-dbus-interfaces')
+    if sdbusplus_dep.found()
+        sdbusplusplus_prog = find_program('sdbus++')
+        sdbuspp_gen_meson_prog = find_program('sdbus++-gen-meson')
+    else
+        sdbusplus_proj = subproject('sdbusplus', required: true)
+        sdbusplus_dep = sdbusplus_proj.get_variable('sdbusplus_dep')
+        sdbusplusplus_prog = sdbusplus_proj.get_variable('sdbusplusplus_prog')
+        sdbuspp_gen_meson_prog = sdbusplus_proj.get_variable(
+            'sdbuspp_gen_meson_prog'
+        )
+    endif
+
+    sdeventplus_dep = dependency(
+        'sdeventplus',
+        fallback: [
+            'sdeventplus',
+            'sdeventplus_dep'
+        ],
+    )
+    phosphor_logging_dep = dependency(
+        'phosphor-logging',
+        fallback: [
+            'phosphor-logging',
+            'phosphor_logging_dep'
+        ],
+    )
+    phosphor_dbus_interfaces_dep = dependency(
+        'phosphor-dbus-interfaces',
+        fallback: [
+            'phosphor-dbus-interfaces',
+            'phosphor_dbus_interfaces_dep'
+        ],
+    )
 
     deps += [
         sdbusplus_dep,
@@ -117,7 +147,11 @@
     ]
 
     if get_option('with-host-communication-protocol')=='pldm'
-        libpldm_dep = dependency('libpldm')
+        libpldm_dep = dependency(
+            'libpldm',
+            fallback: ['pldm', 'libpldm_dep'],
+            default_options: ['libpldm-only=enabled', 'oem-ibm=enabled'],
+        )
         deps += [
             libpldm_dep,
         ]