diff --git a/package/fluidsynth/Config.in b/package/fluidsynth/Config.in
index c1cb923489..7c8836b608 100644
--- a/package/fluidsynth/Config.in
+++ b/package/fluidsynth/Config.in
@@ -3,6 +3,9 @@ config BR2_PACKAGE_FLUIDSYNTH
 	depends on BR2_USE_WCHAR # libglib2
 	depends on BR2_TOOLCHAIN_HAS_THREADS # libglib2
 	depends on BR2_USE_MMU # libglib2
+	# the .pc file installed by fluidsynth does not mention its
+	# indirect dependencies in Libs.private.
+	depends on !BR2_STATIC_LIBS
 	select BR2_PACKAGE_LIBGLIB2
 	help
 	  FluidSynth is a real-time software synthesizer based on the
@@ -115,6 +118,7 @@ config BR2_PACKAGE_FLUIDSYNTH_READLINE
 
 endif # BR2_PACKAGE_FLUIDSYNTH
 
-comment "fluidsynth needs a toolchain w/ threads, wchar"
+comment "fluidsynth needs a toolchain w/ threads, wchar, dynamic library"
 	depends on BR2_USE_MMU
-	depends on !BR2_USE_WCHAR || !BR2_TOOLCHAIN_HAS_THREADS
+	depends on !BR2_USE_WCHAR || !BR2_TOOLCHAIN_HAS_THREADS || \
+		BR2_STATIC_LIBS
diff --git a/package/gstreamer1/gst1-plugins-bad/Config.in b/package/gstreamer1/gst1-plugins-bad/Config.in
index 6190cb5028..c6e4a547f1 100644
--- a/package/gstreamer1/gst1-plugins-bad/Config.in
+++ b/package/gstreamer1/gst1-plugins-bad/Config.in
@@ -395,6 +395,7 @@ comment "fdk-aac needs a toolchain w/ C++"
 
 config BR2_PACKAGE_GST1_PLUGINS_BAD_PLUGIN_FLUIDSYNTH
 	bool "fluidsynth"
+	depends on !BR2_STATIC_LIBS # fluidsynth
 	depends on BR2_USE_WCHAR # fluidsynth
 	depends on BR2_TOOLCHAIN_HAS_THREADS # fluidsynth
 	depends on BR2_USE_MMU # fluidsynth
@@ -402,9 +403,10 @@ config BR2_PACKAGE_GST1_PLUGINS_BAD_PLUGIN_FLUIDSYNTH
 	help
 	  Fluidsynth MIDI decoder plugin
 
-comment "fluidsynth needs a toolchain w/ threads, wchar"
+comment "fluidsynth needs a toolchain w/ threads, wchar, dynamic library"
 	depends on BR2_USE_MMU
-	depends on !BR2_USE_WCHAR || !BR2_TOOLCHAIN_HAS_THREADS
+	depends on !BR2_USE_WCHAR || !BR2_TOOLCHAIN_HAS_THREADS || \
+		BR2_STATIC_LIBS
 
 config BR2_PACKAGE_GST1_PLUGINS_BAD_PLUGIN_GL
 	bool "gl"