libgcrypt: disable tests

The testsuite uses fork() hence fails on !MMU targets.
We don't use/install these so just get rid of them.

Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>

package/libgcrypt/libgcrypt.mk

@@ -10,6 +10,7 @@ LIBGCRYPT_LICENSE = LGPLv2.1+
 LIBGCRYPT_LICENSE_FILES = COPYING.LIB
 LIBGCRYPT_SITE = ftp://ftp.gnupg.org/gcrypt/libgcrypt
 LIBGCRYPT_INSTALL_STAGING = YES
+LIBGCRYPT_DEPENDENCIES = libgpg-error
 
 LIBGCRYPT_CONF_ENV = \
 	ac_cv_sys_symbol_underscore=no
@@ -17,6 +18,12 @@ LIBGCRYPT_CONF_OPT = \
 	--disable-optimization \
 	--with-gpg-error-prefix=$(STAGING_DIR)/usr
 
-LIBGCRYPT_DEPENDENCIES = libgpg-error
+# Tests use fork()
+define LIBGCRYPT_DISABLE_TESTS
+	$(SED) 's/ tests//' $(@D)/Makefile.in
+endef
+
+LIBGCRYPT_POST_PATCH_HOOKS += LIBGCRYPT_DISABLE_TESTS
+
 
 $(eval $(autotools-package))