allow compilation without bzrtp (with automake)

CMakeLists.txt

@@ -178,6 +178,7 @@ if(ENABLE_LIME)
                 find_package(BZRTP)
         endif()
 	set(HAVE_LIME 1)
+	set(HAVE_BZRTP 1)
 endif()
 if(ENABLE_CXX_WRAPPER)
 	find_package(PythonInterp REQUIRED)

configure.ac

@@ -630,7 +630,7 @@ AC_ARG_ENABLE(alsa,
 	[alsa=true]
 )
 
-dnl this options are just for passing to mediastreamer2 subproject
+
 AC_ARG_ENABLE(zrtp,
 	[AS_HELP_STRING([--enable-zrtp], [Turn on zrtp support])],
 	[case "${enableval}" in
@@ -638,9 +638,22 @@ AC_ARG_ENABLE(zrtp,
 		no)	zrtp=false ;;
 		*)	AC_MSG_ERROR(bad value ${enableval} for --enable-zrtp) ;;
 	esac],
-	[zrtp=false]
+	[zrtp=auto]
 )
 
+if test "$zrtp" != "false" ; then
+	PKG_CHECK_MODULES(LIBBZRTP, libbzrtp >= 1.0.0, found_zrtp=true, found_zrtp=false)
+	if test "$zrtp$found_zrtp" = "truefalse" ; then
+		AC_MSG_ERROR("Cound not find bZRTP library.")
+	fi
+	if test "$found_zrtp" = "true" ; then
+		zrtp=true
+		AC_DEFINE(HAVE_BZRTP, 1, [Defined if bzrtp is available])
+	else
+		zrtp=false
+	fi
+fi
+
 dnl this options are just for passing to mediastreamer2 subproject
 AC_ARG_ENABLE(dtls,
 	[AS_HELP_STRING([--enable-dtls], [Turn on srtp-dtls support - requires polarssl > 1.4])],
@@ -701,18 +714,21 @@ AC_ARG_ENABLE(lime,
 		no)	lime=false ;;
 		*)	AC_MSG_ERROR(bad value ${enableval} for --enable-lime) ;;
 	esac],
-	[lime=false]
+	[lime=auto]
 )
 
+if test "$lime" = "true" ; then
+	if test "$zrtp" = "false" ; then
+		AC_MSG_ERROR([LIME requires zrtp])
+	fi
+fi
+
 if test "$lime" != "false" ; then
-	if test "x$found_polarssl" != "xyes" ; then
-		if test "$lime" = "true" ; then
-			AC_MSG_ERROR("LIME requires POLARSSL in version >= 1.3")
-		fi
-		lime=false
-	else
+	if test "$found_zrtp" = "true" ; then
 		AC_DEFINE(HAVE_LIME, 1, [Defined when LIME support is compiled])
 		lime=true
+	else
+		lime = false
 	fi
 fi
 
@@ -1091,6 +1107,7 @@ printf "* %-30s %s\n" "Console interface"	$console_ui
 printf "* %-30s %s\n" "Tools"				$build_tools
 printf "* %-30s %s\n" "Sqlite storage"		$enable_sqlite_storage
 printf "* %-30s %s\n" "VCard support"		$enable_vcard
+printf "* %-30s %s\n" "ZRTP"			$zrtp
 printf "* %-30s %s\n" "IM encryption"		$lime
 printf "* %-30s %s\n" "uPnP support" 		$build_upnp
 printf "* %-30s %s\n" "LDAP support" 		$enable_ldap

coreapi/linphonecore.c

@@ -28,7 +28,9 @@ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 
 #ifdef SQLITE_STORAGE_ENABLED
 #include "sqlite3_bctbx_vfs.h"
-#include "bzrtp/bzrtp.h"
+#	ifdef HAVE_BZRTP
+#	include "bzrtp/bzrtp.h"
+#	endif
 #endif
 
 #include <math.h>
@@ -106,7 +108,7 @@ static void set_media_network_reachable(LinphoneCore* lc,bool_t isReachable);
 static void linphone_core_run_hooks(LinphoneCore *lc);
 static void linphone_core_uninit(LinphoneCore *lc);
 static void linphone_core_zrtp_cache_close(LinphoneCore *lc);
-static void linphone_core_zrtp_cache_db_init(LinphoneCore *lc, const char *fileName);
+void linphone_core_zrtp_cache_db_init(LinphoneCore *lc, const char *fileName);
 
 #include "enum.h"
 #include "contact_providers_priv.h"
@@ -6206,6 +6208,7 @@ void linphone_core_remove_iterate_hook(LinphoneCore *lc, LinphoneCoreIterateHook
 
 }
 
+#ifdef HAVE_BZRTP
 void linphone_core_set_zrtp_secrets_file(LinphoneCore *lc, const char* file){
 	/* shall we perform cache migration ? */
 	if (!lp_config_get_int(lc->config,"sip","zrtp_cache_migration_done",FALSE)) {
@@ -6252,6 +6255,11 @@ void linphone_core_set_zrtp_secrets_file(LinphoneCore *lc, const char* file){
 		linphone_core_zrtp_cache_db_init(lc, file);
 	}
 }
+#else
+void linphone_core_set_zrtp_secrets_file(LinphoneCore *lc, const char* file){
+	ms_error("linphone_core_set_zrtp_secrets_file(): no zrtp support in this build.");
+}
+#endif
 
 void *linphone_core_get_zrtp_cache_db(LinphoneCore *lc){
 #ifdef SQLITE_STORAGE_ENABLED
@@ -6270,9 +6278,9 @@ static void linphone_core_zrtp_cache_close(LinphoneCore *lc) {
 #endif /* SQLITE_STORAGE_ENABLED */
 }
 
-#ifdef SQLITE_STORAGE_ENABLED
+#if defined(SQLITE_STORAGE_ENABLED) && defined (HAVE_BZRTP)
 
-static void linphone_core_zrtp_cache_db_init(LinphoneCore *lc, const char *fileName) {
+void linphone_core_zrtp_cache_db_init(LinphoneCore *lc, const char *fileName) {
 	int ret;
 	const char *errmsg;
 	sqlite3 *db;
@@ -6298,10 +6306,6 @@ static void linphone_core_zrtp_cache_db_init(LinphoneCore *lc, const char *fileN
 
 	lc->zrtp_cache_db = db;
 }
-#else /* SQLITE_STORAGE_ENABLED */
-static void linphone_core_zrtp_cache_db_init(LinphoneCore *lc, const char *fileName) {
-	ms_warning("Tried to open %s as zrtp_cache_db_file, but SQLITE_STORAGE is not enabled", lc->zrtp_cache_db_file);
-}
 #endif /* SQLITE_STORAGE_ENABLED */
 
 void linphone_core_set_user_certificates_path(LinphoneCore *lc, const char* path){