tpm2-tss: depend on shared libraries

The code includes dlfcn.h even if --enable-static and --disable-shared
are passed to configure. There is an "#ifndef NO_DL ... #endif" wrapper
but NO_DL is never defined and adding "-DNO_DL" to CFLAGS causes other
compilation errors.

Fixes:
  http://autobuild.buildroot.net/results/cfc3bfef5e93329bf944a57947086d9ddc4fece3

Signed-off-by: Carlos Santos <casantos@datacom.com.br>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/tpm2-abrmd/Config.in

@@ -3,6 +3,7 @@ config BR2_PACKAGE_TPM2_ABRMD
 	depends on BR2_USE_WCHAR # libglib2
 	depends on BR2_TOOLCHAIN_HAS_THREADS # dbus, libglib2
 	depends on BR2_USE_MMU # dbus, libglib2
+	depends on !BR2_STATIC_LIBS # tpm2-tss
 	select BR2_PACKAGE_DBUS
 	select BR2_PACKAGE_LIBGLIB2
 	select BR2_PACKAGE_TPM2_TSS
@@ -20,6 +21,7 @@ config BR2_PACKAGE_TPM2_ABRMD
 
 	  https://github.com/tpm2-software/tpm2-abrmd
 
-comment "tpm2-abrmd needs a toolchain w/ wchar, threads"
+comment "tpm2-abrmd needs a toolchain w/ dynamic library, wchar, threads"
 	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

package/tpm2-tools/Config.in

@@ -3,6 +3,7 @@ config BR2_PACKAGE_TPM2_TOOLS
 	depends on BR2_USE_MMU # dbus, libglib
 	depends on BR2_USE_WCHAR # libglib -> gettext
 	depends on BR2_TOOLCHAIN_HAS_THREADS # libglib
+	depends on !BR2_STATIC_LIBS # tpm2-tss
 	select BR2_PACKAGE_DBUS
 	select BR2_PACKAGE_LIBCURL
 	select BR2_PACKAGE_LIBGLIB2
@@ -18,6 +19,7 @@ config BR2_PACKAGE_TPM2_TOOLS
 
 	  https://github.com/tpm2-software/tpm2-tools
 
-comment "tpm2-tools needs a toolchain w/ wchar, threads"
+comment "tpm2-tools needs a toolchain w/ dynamic library, wchar, threads"
 	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

package/tpm2-tss/Config.in

@@ -1,5 +1,6 @@
 config BR2_PACKAGE_TPM2_TSS
 	bool "tpm2-tss"
+	depends on !BR2_STATIC_LIBS # dlfcn.h
 	select BR2_PACKAGE_LIBURIPARSER
 	select BR2_PACKAGE_OPENSSL
 	help
@@ -30,3 +31,6 @@ config BR2_PACKAGE_TPM2_TSS
 	    Microsoft software TPM2 simulator.
 
 	  https://github.com/tpm2-software/tpm2-tss
+
+comment "tpm2-tss needs a toolchain w/ dynamic library"
+	depends on BR2_STATIC_LIBS