update: use Makefile conditional to disable code

This fixes the build without gcrypt.

configure.ac

@@ -4107,10 +4107,8 @@ if test "${enable_update_check}" = "yes"
 then
  AS_IF([test "${ac_cv_lib_gcrypt}" != "yes"],[
     AC_MSG_ERROR([libgcrypt is required for update checking system]) ])
-  VLC_ADD_LIBS([libvlccore], [${GCRYPT_LIBS}])
-  VLC_ADD_CFLAGS([libvlccore], [${GCRYPT_CFLAGS}])
-  AC_DEFINE([UPDATE_CHECK], 1, [Define if you want to use the VLC update mechanism])
 fi
+AM_CONDITIONAL(UPDATE_CHECK, [test "${enable_update_check}" = "yes"])
 
 dnl
 dnl OS X notification plugin

include/vlc_update.h

@@ -34,8 +34,6 @@
  *VLC software update interface
  */
 
-#ifdef UPDATE_CHECK
-
 /**
  * Describes an update VLC release number
  */
@@ -49,8 +47,6 @@ struct update_release_t
     char* psz_desc;     ///< Release description
 };
 
-#endif /* UPDATE_CHECK */
-
 typedef struct update_release_t update_release_t;
 
 VLC_API update_t * update_New( vlc_object_t * );

modules/gui/qt/Makefile.am

@@ -14,6 +14,7 @@ guidir = $(pluginsdir)/gui
 
 SUFFIXES += .ui .h .hpp .moc.cpp
 
+libqt_plugin_la_CPPFLAGS = $(AM_CPPFLAGS)
 libqt_plugin_la_CXXFLAGS = $(AM_CXXFLAGS) $(QT_CFLAGS) $(CXXFLAGS_qt)
 libqt_plugin_la_LIBADD = $(QT_LIBS) $(LIBS_qt) $(LIBM)
 libqt_plugin_la_LDFLAGS = $(AM_LDFLAGS) -rpath '$(guidir)'
@@ -31,6 +32,9 @@ endif
 if HAVE_WIN32
 libqt_plugin_la_LIBADD += $(LIBCOM) -lcomctl32 -luuid
 endif
+if UPDATE_CHECK
+libqt_plugin_la_CPPFLAGS += -DUPDATE_CHECK
+endif
 
 gui_LTLIBRARIES =  $(LTLIBqt)
 EXTRA_LTLIBRARIES = libqt_plugin.la

src/Makefile.am

@@ -339,9 +339,6 @@ libvlccore_la_SOURCES = \
 	misc/variables.h \
 	misc/variables.c \
 	misc/error.c \
-	misc/update.h \
-	misc/update.c \
-	misc/update_crypto.c \
 	misc/xml.c \
 	misc/addons.c \
 	misc/filter.c \
@@ -442,6 +439,15 @@ libvlccore_la_SOURCES += input/vlm.c input/vlm_event.c input/vlmshell.c
 endif
 endif
 
+if UPDATE_CHECK
+libvlccore_la_SOURCES += \
+	misc/update.h misc/update.c \
+	misc/update_crypto.c
+AM_CPPFLAGS += -DUPDATE_CHECK
+AM_CFLAGS += $(GCRYPT_CFLAGS)
+libvlccore_la_LIBADD += $(GCRYPT_LIBS)
+endif
+
 libvlccore_la_LDFLAGS = \
 	$(LDFLAGS_libvlccore) \
 	-no-undefined \

src/misc/update.c

@@ -39,8 +39,6 @@
 #include <vlc_common.h>
 #include <vlc_update.h>
 
-#ifdef UPDATE_CHECK
-
 #include <assert.h>
 
 #include <vlc_pgpkey.h>
@@ -757,40 +755,3 @@ update_release_t *update_GetRelease( update_t *p_update )
 {
     return &p_update->release;
 }
-
-#else
-#undef update_New
-update_t *update_New( vlc_object_t *p_this )
-{
-    (void)p_this;
-    return NULL;
-}
-
-void update_Delete( update_t *p_update )
-{
-    (void)p_update;
-}
-
-void update_Check( update_t *p_update, void (*pf_callback)( void*, bool ),
-                   void *p_data )
-{
-    (void)p_update; (void)pf_callback; (void)p_data;
-}
-
-bool update_NeedUpgrade( update_t *p_update )
-{
-    (void)p_update;
-    return false;
-}
-
-void update_Download( update_t *p_update, const char *psz_destdir )
-{
-    (void)p_update; (void)psz_destdir;
-}
-
-update_release_t *update_GetRelease( update_t *p_update )
-{
-    (void)p_update;
-    return NULL;
-}
-#endif

src/misc/update_crypto.c

@@ -34,8 +34,6 @@
 # include "config.h"
 #endif
 
-#ifdef UPDATE_CHECK
-
 #include <gcrypt.h>
 #include <assert.h>
 #include <limits.h>
@@ -1106,5 +1104,3 @@ int download_signature( vlc_object_t *p_this, signature_packet_t *p_sig,
 
     return VLC_SUCCESS;
 }
-
-#endif /* UPDATE_CHECK */

src/missing.c

@@ -402,3 +402,43 @@ vlm_t *vlm_New (vlc_object_t *obj)
      return NULL;
 }
 #endif /* !ENABLE_VLM */
+
+#ifndef UPDATE_CHECK
+# include <vlc_update.h>
+
+update_t *(update_New)(vlc_object_t *obj)
+{
+    (void) obj;
+    return NULL;
+}
+
+void update_Delete(update_t *u)
+{
+    (void) u;
+    vlc_assert_unreachable();
+}
+
+void update_Check(update_t *u, void (*cb)(void *, bool), void *opaque)
+{
+    (void) u; (void) cb; (void) opaque;
+    vlc_assert_unreachable();
+}
+
+bool update_NeedUpgrade(update_t *u)
+{
+    (void) u;
+    vlc_assert_unreachable();
+}
+
+void update_Download(update_t *u, const char *dir)
+{
+    (void) u; (void) dir;
+    vlc_assert_unreachable();
+}
+
+update_release_t *update_GetRelease(update_t *u)
+{
+    (void) u;
+    vlc_assert_unreachable();
+}
+#endif /* !UPDATE_CHECK */

test/Makefile.am

@@ -23,7 +23,6 @@ check_PROGRAMS = \
 	test_libvlc_slaves \
 	test_src_config_chain \
 	test_src_misc_variables \
-	test_src_crypto_update \
 	test_src_input_stream \
 	test_src_input_stream_fifo \
 	test_src_interface_dialog \
@@ -32,8 +31,10 @@ check_PROGRAMS = \
 	test_src_misc_keystore \
 	test_modules_packetizer_hxxx \
 	test_modules_keystore \
-	test_modules_tls \
-	$(NULL)
+	test_modules_tls
+if UPDATE_CHECK
+check_PROGRAMS += test_src_crypto_update
+endif
 
 check_SCRIPTS = \
 	modules/lua/telnet.sh \

test/src/crypto/update.c

@@ -24,15 +24,6 @@
 
 #include <stdio.h>
 
-#ifndef UPDATE_CHECK
-int main(void)
-{
-    fprintf(stderr, "Update checking disabled, not testing.\n");
-    return 77;
-}
-
-#else
-
 #include <vlc_common.h>
 #include "../src/misc/update_crypto.c"
 
@@ -292,4 +283,3 @@ int main(void)
     check(&key, &key2, status, &sig, key_longid, key_longid2);
 
 }
-#endif