diff --git a/cross/firebird/Makefile b/cross/firebird/Makefile
new file mode 100644
index 000000000000..f7f25b2b5f24
--- /dev/null
+++ b/cross/firebird/Makefile
@@ -0,0 +1,79 @@
+PKG_NAME = firebird
+PKG_VERS = 4.0.2
+PKG_EXT = tar.gz
+PKG_DIST_NAME = v$(PKG_VERS).$(PKG_EXT)
+PKG_DIST_SITE = https://github.com/FirebirdSQL/firebird/archive/refs/tags/
+PKG_DIR = $(PKG_NAME)-$(PKG_VERS)
+
+DEPENDS = cross/zlib native/libicu native/libtomcrypt native/libtommath
+
+UNSUPPORTED_ARCHS = $(ARMv5_ARCHS) $(OLD_PPC_ARCHS) $(ARMv7_ARCHS)
+
+include ../../mk/spksrc.common.mk
+
+# Currently v4.0.2 works only with 7.1
+# DSM 7.2 has issues with GLIBC version
+ifeq ($(call version_lt,${TC_VERS},7.0)$(call version_gt,${TC_VERS},7.1),11)
+UNSUPPORTED_ARCHS += $(ARCH)
+endif
+
+HOMEPAGE = https://www.firebirdsql.org/
+COMMENT  = Firebird is a relational database offering many ANSI SQL standard features that runs on Linux, Windows, MacOS and a variety of Unix platforms.
+LICENSE  = MPL
+MAINTAINER = vitkabele
+
+PRE_CONFIGURE_TARGET = firebird_pre_configure
+
+INSTALL_TARGET = firebird_install
+
+# We need both native and cross compilers for building the binary.
+include ../../mk/spksrc.cross-cc.mk
+
+# If we use --with-builtin-tomcrypt/math, the libraries are built during cross1
+# phase without -fPIC and then refuse to link during cross2 phase. Further,
+# they can be built for different platforms during cross1 and cross2 phase.
+#
+# termlib and editline are disabled because we don't provide ncurses
+# and editline libraries
+CONFIGURE_ARGS = --without-termlib --without-editline --with-cross-build=synology --prefix=$(INSTALL_PREFIX)
+
+NATIVE_LIBICU_DIR := $(WORK_DIR)/../../../native/libicu/work-native/install/usr/local
+NATIVE_LIBTOMCRYPT_DIR := $(WORK_DIR)/../../../native/libtomcrypt/work-native/install/usr/local
+NATIVE_LIBTOMMATH_DIR := $(WORK_DIR)/../../../native/libtommath/work-native/install/usr/local
+
+# CFLAGS and CXXFLAGS for cross1 compile stage
+NATIVE_CFLAGS := -I$(NATIVE_LIBICU_DIR)/include -I$(NATIVE_LIBTOMCRYPT_DIR)/include -I$(NATIVE_LIBTOMMATH_DIR)/include \
+				 -L$(NATIVE_LIBICU_DIR)/lib -L$(NATIVE_LIBTOMCRYPT_DIR)/lib -L$(NATIVE_LIBTOMMATH_DIR)/lib
+
+# The cross1 phase not only compiles the binaries against the libtom libraries,
+# but also executes them. We must provide the -rpath to linker so the libs
+# are found during runtime
+NATIVE_LDFLAGS := -Wl,-rpath,$(NATIVE_LIBTOMCRYPT_DIR)/lib -Wl,-rpath,$(NATIVE_LIBTOMMATH_DIR)/lib
+
+# CFLAGS for the cross2 build phase
+CROSS_CFLAGS=-Wno-invalid-offsetof
+
+# This ENV is for cross1 phase where we build native target
+# CROSS_ prefixed vars are for the cross2 phase and we "strip" the CROSS_ prefix
+# in our provided src/makefile.xxx
+ENV = CC= LD= \
+	  CFLAGS="$(NATIVE_CFLAGS)" \
+	  CXXFLAGS="$(NATIVE_CFLAGS)" \
+	  LDFLAGS="$(NATIVE_LDFLAGS)" \
+	  CROSS_TOOLCHAIN=$(TC_PATH)$(TC_PREFIX) \
+	  CROSS_CFLAGS="$(CROSS_CFLAGS)"
+
+.PHONY: firebird_pre_configure
+firebird_pre_configure:
+	cp src/make.synology $(WORK_DIR)/$(PKG_DIR)/builds/posix/
+	cp src/cross_config/* $(WORK_DIR)/$(PKG_DIR)/src/include/cross/
+	$(RUN) NOCONFIGURE=1 ./autogen.sh
+
+.PHONY: firebird_install
+firebird_install:
+	$(RUN) make dist
+	# We assume there is just one buildroot.tar.gz file in the build tree
+	# This is a little hack since we don't know the exact path where it is
+	# produced and it is easier than patching the firebird Makefiles
+	cd $(WORK_DIR)/install && tar xf $$(find ../ -name buildroot.tar.gz)
+
diff --git a/cross/firebird/PLIST b/cross/firebird/PLIST
new file mode 100644
index 000000000000..e5c7bba30041
--- /dev/null
+++ b/cross/firebird/PLIST
@@ -0,0 +1,48 @@
+rsc:CHANGELOG.md
+rsc:IDPLicense.txt
+rsc:IPLicense.txt
+rsc:README.md
+rsc:bin/FirebirdUninstall.sh
+rsc:bin/changeServerMode.sh
+rsc:bin/fb_config
+bin:bin/fb_lock_print
+bin:bin/fbguard
+bin:bin/fbsvcmgr
+bin:bin/fbtracemgr
+bin:bin/firebird
+bin:bin/gbak
+bin:bin/gfix
+bin:bin/gpre
+bin:bin/gsec
+bin:bin/gsplit
+bin:bin/gstat
+bin:bin/isql
+bin:bin/nbackup
+bin:bin/qli
+rsc:bin/registerDatabase.sh
+rsc:databases.conf
+rsc:fbtrace.conf
+rsc:firebird.conf
+rsc:help/help.gbak
+rsc:intl/fbintl
+rsc:intl/fbintl.conf
+lnk:lib/libfbclient.so
+lnk:lib/libfbclient.so.2
+lib:lib/libfbclient.so.4.0.2
+lib:lib/libib_util.so
+rsc:misc/intl.sql
+rsc:misc/rc.config.firebird
+rsc:misc/upgrade/udf/udf_replace.sql
+rsc:misc/upgrade/udf/udf_replace.txt
+rsc:plugins.conf
+lib:plugins/libChaCha.so
+lib:plugins/libEngine13.so
+lib:plugins/libLegacy_Auth.so
+lib:plugins/libLegacy_UserManager.so
+lib:plugins/libSrp.so
+lib:plugins/libfbtrace.so
+lib:plugins/libudr_engine.so
+lib:plugins/udr/libudf_compat.so
+rsc:plugins/udr/udf_compat.sql
+rsc:plugins/udr_engine.conf
+rsc:replication.conf
diff --git a/cross/firebird/digests b/cross/firebird/digests
new file mode 100644
index 000000000000..cecfb6923514
--- /dev/null
+++ b/cross/firebird/digests
@@ -0,0 +1,3 @@
+v4.0.2.tar.gz SHA1 c0ba59179feb4ee3068403fe3a0e1d5e6f046cb1
+v4.0.2.tar.gz SHA256 756428b86bb9a20f0117e0ea4cf499c79214c5c15a3a31ebddd8c95ded66db3d
+v4.0.2.tar.gz MD5 4fd0b0726752545605e6297857bc0106
diff --git a/cross/firebird/patches/0001-remove-extauth-plugin.patch b/cross/firebird/patches/0001-remove-extauth-plugin.patch
new file mode 100644
index 000000000000..d1ce6c2a300f
--- /dev/null
+++ b/cross/firebird/patches/0001-remove-extauth-plugin.patch
@@ -0,0 +1,14 @@
+# Do not build the extauth plugin, because it cannot refer to native/libtomcrypt
+# It can only work with the builtin tomcrypt or the system-wide.
+# There is no way how to pass CFLAGS with -I to this makefile as it overrides them
+--- Makefile.in.examples	2023-07-25 09:09:56.598749645 +0000
++++ builds/posix/Makefile.in.examples	2022-08-08 00:08:06.000000000 +0000
+@@ -90,7 +90,7 @@ EXTAUTH_PLUGIN=	$(EXAMPLES_FB)/prebuilt/
+ all: examples
+ 
+ # examples: $(EMPLOYEE_DB) $(INTLEMP_DB) $(EXAMPLES_FB)/README
+-examples:	$(FINAL_EMPDB) $(EXAMPLES_FB)/README $(EXTAUTH_PLUGIN)
++examples:	$(FINAL_EMPDB) $(EXAMPLES_FB)/README
+ 
+ $(EXTAUTH_PLUGIN):	$(EXAMPLES_FB)/extauth/Makefile
+ 	$(MAKE) -C $(EXAMPLES_FB)/extauth OUT=$(EXAMPLES_FB)/prebuilt INTERMED=$(TMP_ROOT)/examples/extauth
diff --git a/cross/firebird/src/cross_config/synology.x86_64.h b/cross/firebird/src/cross_config/synology.x86_64.h
new file mode 100644
index 000000000000..5265ffe24b6b
--- /dev/null
+++ b/cross/firebird/src/cross_config/synology.x86_64.h
@@ -0,0 +1,666 @@
+/*
+ * Copied from src/include/cross/android.x86_64 and manually modified
+ */
+
+/* log file name within log dir (firebird.log) */
+#define FB_LOGFILENAME "firebird.log"
+
+/* Define if building universal (internal helper macro) */
+/* #undef AC_APPLE_UNIVERSAL_BUILD */
+
+/* Define this if CPU is amd64 */
+/* #undef AMD64 */
+
+/* Include pthread support for binary relocation? */
+/* #undef BR_PTHREAD */
+
+/* Define this if paths are case sensitive */
+#define CASE_SENSITIVITY false
+
+/* Define this if OS is DARWIN */
+/* #undef DARWIN */
+
+/* Use binary relocation? */
+#define ENABLE_BINRELOC
+
+/* Alignment of long */
+#define FB_ALIGNMENT 8
+
+/* executables DIR (PREFIX/bin) */
+#define FB_BINDIR ""
+
+/* config files DIR (PREFIX) */
+#define FB_CONFDIR ""
+
+/* documentation root DIR (PREFIX/doc) */
+#define FB_DOCDIR ""
+
+/* Alignment of double */
+#define FB_DOUBLE_ALIGN 8
+
+/* guardian lock DIR (PREFIX) */
+#define FB_GUARDDIR ""
+
+/* QLI help DIR (PREFIX/help) */
+#define FB_HELPDIR ""
+
+/* C/C++ header files DIR (PREFIX/include) */
+#define FB_INCDIR ""
+
+/* international DIR (PREFIX/intl) */
+#define FB_INTLDIR ""
+
+/* Local IPC name */
+#define FB_IPC_NAME "FirebirdIPI"
+
+/* object code libraries DIR (PREFIX/lib) */
+#define FB_LIBDIR ""
+
+/* log files DIR (PREFIX) */
+#define FB_LOGDIR ""
+
+/* misc DIR (PREFIX/misc) */
+#define FB_MISCDIR ""
+
+/* message files DIR (PREFIX) */
+#define FB_MSGDIR ""
+
+/* Wnet pipe name */
+#define FB_PIPE_NAME "interbas"
+
+/* plugins DIR (PREFIX) */
+#define FB_PLUGDIR ""
+
+/* tzdata DIR (PREFIX) */
+#define FB_TZDATADIR ""
+
+/* Installation path prefix */
+#define FB_PREFIX "/opt/firebird"
+
+/* examples database DIR (PREFIX/examples/empbuild) */
+#define FB_SAMPLEDBDIR ""
+
+/* examples DIR (PREFIX/examples) */
+#define FB_SAMPLEDIR ""
+
+/* system admin executables DIR (PREFIX/bin) */
+#define FB_SBINDIR ""
+
+/* security database DIR (PREFIX) */
+#define FB_SECDBDIR ""
+
+/* Inet service name */
+#define FB_SERVICE_NAME "gds_db"
+
+/* Inet service port */
+#define FB_SERVICE_PORT 3050
+
+/* Define this if OS is FreeBSD */
+/* #undef FREEBSD */
+
+/* Define this if getmntent needs second argument */
+/* #undef GETMNTENT_TAKES_TWO_ARGUMENTS */
+
+/* Define to 1 if the `getpgrp' function requires zero arguments. */
+#define GETPGRP_VOID 1
+
+/* Define this if gettimeofday accepts second (timezone) argument */
+#define GETTIMEOFDAY_RETURNS_TIMEZONE 1
+
+/* Define this if GPRE should support ADA */
+/* #undef GPRE_ADA */
+
+/* Define this if GPRE should support COBOL */
+/* #undef GPRE_COBOL */
+
+/* Define this if GPRE should support FORTRAN */
+/* #undef GPRE_FORTRAN */
+
+/* Define this if GPRE should support PASCAL */
+/* #undef GPRE_PASCAL */
+
+/* Define to 1 if you have the <aio.h> header file. */
+/* #undef HAVE_AIO_H */
+
+/* Define this if AO_compare_and_swap_full() is defined in atomic_ops.h */
+/* #undef HAVE_AO_COMPARE_AND_SWAP_FULL */
+
+/* Define to 1 if you have the <assert.h> header file. */
+#define HAVE_ASSERT_H 1
+
+/* Define to 1 if you have the <atomic.h> header file. */
+/* #undef HAVE_ATOMIC_H */
+
+/* Define to 1 if you have the <atomic_ops.h> header file. */
+/* #undef HAVE_ATOMIC_OPS_H */
+
+/* Define to 1 if the system has the type `caddr_t'. */
+/* #undef HAVE_CADDR_T */
+
+/* Define to 1 if you have the <crypt.h> header file. */
+#define HAVE_CRYPT_H 1
+
+/* Define to 1 if you have the <ctype.h> header file. */
+#define HAVE_CTYPE_H 1
+
+/* Define to 1 if you have the <dirent.h> header file, and it defines `DIR'.
+   */
+#define HAVE_DIRENT_H 1
+
+/* Define to 1 if you have the `dirname' function. */
+#define HAVE_DIRNAME 1
+
+/* Define to 1 if you have the `dladdr' function. */
+#define HAVE_DLADDR 1
+
+/* Define to 1 if you have the <dlfcn.h> header file. */
+#define HAVE_DLFCN_H 1
+
+/* Define this if editline is in use */
+/* #undef HAVE_EDITLINE_H */
+
+/* Define to 1 if you have the <errno.h> header file. */
+#define HAVE_ERRNO_H 1
+
+/* Define to 1 if you have the `fchmod' function. */
+#define HAVE_FCHMOD 1
+
+/* Define to 1 if you have the <fcntl.h> header file. */
+#define HAVE_FCNTL_H 1
+
+/* Define to 1 if you have the `fdatasync' function. */
+#define HAVE_FDATASYNC 1
+
+/* Define to 1 if you have the `fegetenv' function. */
+#define HAVE_FEGETENV 1
+
+/* Define to 1 if you have the <float.h> header file. */
+#define HAVE_FLOAT_H 1
+
+/* Define to 1 if you have the `flock' function. */
+#define HAVE_FLOCK 1
+
+/* Define to 1 if you have the `fork' function. */
+#define HAVE_FORK 1
+
+/* Define to 1 if you have the `fsync' function. */
+#define HAVE_FSYNC 1
+
+/* Define to 1 if you have the `getcwd' function. */
+#define HAVE_GETCWD 1
+
+/* Define to 1 if you have the `getmntent' function. */
+#define HAVE_GETMNTENT 1
+
+/* Define to 1 if you have the `getpagesize' function. */
+#define HAVE_GETPAGESIZE 1
+
+/* Define to 1 if you have the `getrlimit' function. */
+#define HAVE_GETRLIMIT 1
+
+/* Define to 1 if you have the `gettimeofday' function. */
+#define HAVE_GETTIMEOFDAY 1
+
+/* Define to 1 if you have the `getwd' function. */
+#define HAVE_GETWD 1
+
+/* Define to 1 if you have the `gmtime_r' function. */
+#define HAVE_GMTIME_R 1
+
+/* Define to 1 if you have the `ctime_r' function. */
+#define HAVE_CTIME_R 1
+
+/* Define to 1 if you have the <grp.h> header file. */
+#define HAVE_GRP_H 1
+
+/* Define this if INFINITY is defined in math.h */
+#define HAVE_INFINITY 1
+
+/* Define to 1 if you have the `initgroups' function. */
+#define HAVE_INITGROUPS 1
+
+/* Define to 1 if you have the <inttypes.h> header file. */
+#define HAVE_INTTYPES_H 1
+
+/* Define to 1 if you have the `atomic_ops' library (-latomic_ops). */
+/* #undef HAVE_LIBATOMIC_OPS */
+
+/* Define to 1 if you have the `m' library (-lm). */
+#define HAVE_LIBM 1
+
+/* Define to 1 if you have the `pthread' library (-lpthread). */
+/* #undef HAVE_LIBPTHREAD */
+
+/* Define to 1 if you have the `sfio' library (-lsfio). */
+/* #undef HAVE_LIBSFIO */
+
+/* Define to 1 if you have the <limits.h> header file. */
+#define HAVE_LIMITS_H 1
+
+/* Define to 1 if you have the `llrint' function. */
+#define HAVE_LLRINT 1
+
+/* Define to 1 if you have the <locale.h> header file. */
+#define HAVE_LOCALE_H 1
+
+/* Define to 1 if you have the `localtime_r' function. */
+#define HAVE_LOCALTIME_R 1
+
+/* Define to 1 if you have the <math.h> header file. */
+#define HAVE_MATH_H 1
+
+/* Define to 1 if you have the <memory.h> header file. */
+#define HAVE_MEMORY_H 1
+
+/* Define to 1 if you have the `mkstemp' function. */
+#define HAVE_MKSTEMP 1
+
+/* Define to 1 if you have a working `mmap' system call. */
+#define HAVE_MMAP 1
+
+/* Define to 1 if you have the <mntent.h> header file. */
+#define HAVE_MNTENT_H 1
+
+/* Define to 1 if you have the <mnttab.h> header file. */
+/* #undef HAVE_MNTTAB_H */
+
+/* Define this if multi-threading should be supported */
+#define HAVE_MULTI_THREAD 1
+
+/* Define to 1 if you have the `nanosleep' function. */
+#define HAVE_NANOSLEEP 1
+
+/* Define to 1 if you have the <ndir.h> header file, and it defines `DIR'. */
+/* #undef HAVE_NDIR_H */
+
+/* Define to 1 if you have the <netconfig.h> header file. */
+/* #undef HAVE_NETCONFIG_H */
+
+/* Define to 1 if you have the <netinet/in.h> header file. */
+#define HAVE_NETINET_IN_H 1
+
+/* Define to 1 if you have the `poll' function. */
+#define HAVE_POLL 1
+
+/* Define to 1 if you have the <poll.h> header file. */
+#define HAVE_POLL_H 1
+
+/* Define this if posix_fadvise() is present on the platform */
+/* #undef HAVE_POSIX_FADVISE */
+
+/* Define to 1 if you have the `pread' function. */
+#define HAVE_PREAD 1
+
+/* Define if you have POSIX threads libraries and header files. */
+/* #undef HAVE_PTHREAD */
+
+/* Define to 1 if you have the <pthread.h> header file. */
+#define HAVE_PTHREAD_H 1
+
+/* Define to 1 if you have the `pthread_keycreate' function. */
+/* #undef HAVE_PTHREAD_KEYCREATE */
+
+/* Define to 1 if you have the `pthread_key_create' function. */
+#define HAVE_PTHREAD_KEY_CREATE 1
+
+/* Define to 1 if you have the `pthread_mutexattr_setprotocol' function. */
+/* undef HAVE_PTHREAD_MUTEXATTR_SETPROTOCOL */
+
+/* Define to 1 if you have the `pthread_mutexattr_setrobust_np' function. */
+/* #undef HAVE_PTHREAD_MUTEXATTR_SETROBUST_NP */
+
+/* Define to 1 if you have the `pthread_mutex_consistent_np' function. */
+/* #undef HAVE_PTHREAD_MUTEX_CONSISTENT_NP */
+
+/* Define to 1 if you have the `pthread_rwlockattr_setkind_np' function. */
+/* #undef HAVE_PTHREAD_RWLOCKATTR_SETKIND_NP */
+
+/* Define to 1 if you have the <pwd.h> header file. */
+#define HAVE_PWD_H 1
+
+/* Define to 1 if you have the `pwrite' function. */
+#define HAVE_PWRITE 1
+
+/* Define to 1 if you have the <rpc/rpc.h> header file. */
+#define HAVE_RPC_RPC_H 1
+
+/* Define to 1 if you have the <rpc/xdr.h> header file. */
+#define HAVE_RPC_XDR_H 1
+
+/* Define to 1 if you have the <semaphore.h> header file. */
+#define HAVE_SEMAPHORE_H 1
+
+/* Define to 1 if you have the `semtimedop' function. */
+#define HAVE_SEMTIMEDOP 1
+
+/* Define to 1 if the system has the type `semun'. */
+/* #undef HAVE_SEMUN */
+
+/* Define to 1 if you have the `sem_init' function. */
+#define HAVE_SEM_INIT 1
+
+/* Define to 1 if you have the `sem_timedwait' function. */
+#define HAVE_SEM_TIMEDWAIT 1
+
+/* Define to 1 if you have the `setitimer' function. */
+#define HAVE_SETITIMER 1
+
+/* Define to 1 if you have the <setjmp.h> header file. */
+#define HAVE_SETJMP_H 1
+
+/* Define to 1 if you have the `setmntent' function. */
+#define HAVE_SETMNTENT 1
+
+/* Define to 1 if you have the `setpgid' function. */
+#define HAVE_SETPGID 1
+
+/* Define to 1 if you have the `setrlimit' function. */
+#define HAVE_SETRLIMIT 1
+
+/* Define to 1 if you have the `sigaction' function. */
+#define HAVE_SIGACTION 1
+
+/* Define to 1 if you have the <signal.h> header file. */
+#define HAVE_SIGNAL_H 1
+
+/* Define to 1 if you have the `sigset' function. */
+/* #undef HAVE_SIGSET */
+
+/* Define to 1 if you have the `snprintf' function. */
+#define HAVE_SNPRINTF 1
+
+/* Define to 1 if you have the <socket.h> header file. */
+/* #undef HAVE_SOCKET_H */
+
+/* Define to 1 if the system has the type `socklen_t'. */
+#define HAVE_SOCKLEN_T 1
+
+/* Define to 1 if you have the <stdarg.h> header file. */
+#define HAVE_STDARG_H 1
+
+/* Define to 1 if you have the <stdint.h> header file. */
+#define HAVE_STDINT_H 1
+
+/* Define to 1 if you have the <stdlib.h> header file. */
+#define HAVE_STDLIB_H 1
+
+/* Define to 1 if you have the `strcasecmp' function. */
+#define HAVE_STRCASECMP 1
+
+/* Define to 1 if you have the `strdup' function. */
+#define HAVE_STRDUP 1
+
+/* Define to 1 if you have the `strerror_r' function. */
+#define HAVE_STRERROR_R 1
+
+/* Define to 1 if you have the `stricmp' function. */
+/* #undef HAVE_STRICMP */
+
+/* Define to 1 if you have the <strings.h> header file. */
+#define HAVE_STRINGS_H 1
+
+/* Define to 1 if you have the <string.h> header file. */
+#define HAVE_STRING_H 1
+
+/* Define to 1 if you have the `strncasecmp' function. */
+#define HAVE_STRNCASECMP 1
+
+/* Define to 1 if you have the `strnicmp' function. */
+/* #undef HAVE_STRNICMP */
+
+/* Define this if struct dirent has d_type */
+#define HAVE_STRUCT_DIRENT_D_TYPE 1
+
+/* Define to 1 if the system has the type `struct xdr_ops'. */
+#define HAVE_STRUCT_XDR_OPS 1
+
+/* Define to 1 if the system has the type `struct XDR::xdr_ops'. */
+/* #undef HAVE_STRUCT_XDR__XDR_OPS */
+
+/* Define to 1 if you have the `swab' function. */
+#define HAVE_SWAB 1
+
+/* Define to 1 if you have the <sys/dir.h> header file, and it defines `DIR'.
+   */
+/* #undef HAVE_SYS_DIR_H */
+
+/*
+ * For SYS_gettid
+ * Define to 1 if you have the <sys/syscall.h> header file
+ * MANUALLY ADDED
+ */
+#define HAVE_SYS_SYSCALL_H 1
+
+/* Define to 1 if you have the <sys/file.h> header file. */
+#define HAVE_SYS_FILE_H 1
+
+/* Define to 1 if you have the <sys/ioctl.h> header file. */
+#define HAVE_SYS_IOCTL_H 1
+
+/* Define to 1 if you have the <sys/ipc.h> header file. */
+#define HAVE_SYS_IPC_H 1
+
+/* Define to 1 if you have the <sys/mntent.h> header file. */
+/* #undef HAVE_SYS_MNTENT_H */
+
+/* Define to 1 if you have the <sys/mnttab.h> header file. */
+/* #undef HAVE_SYS_MNTTAB_H */
+
+/* Define to 1 if you have the <sys/mount.h> header file. */
+#define HAVE_SYS_MOUNT_H 1
+
+/* Define to 1 if you have the <sys/ndir.h> header file, and it defines `DIR'.
+   */
+/* #undef HAVE_SYS_NDIR_H */
+
+/* Define to 1 if you have the <sys/param.h> header file. */
+#define HAVE_SYS_PARAM_H 1
+
+/* Define to 1 if you have the <sys/resource.h> header file. */
+#define HAVE_SYS_RESOURCE_H 1
+
+/* Define to 1 if you have the <sys/select.h> header file. */
+#define HAVE_SYS_SELECT_H 1
+
+/* Define to 1 if you have the <sys/sem.h> header file. */
+#define HAVE_SYS_SEM_H 1
+
+/* Define to 1 if you have the <sys/siginfo.h> header file. */
+/* #undef HAVE_SYS_SIGINFO_H */
+
+/* Define to 1 if you have the <sys/signal.h> header file. */
+/* #undef HAVE_SYS_SIGNAL_H */
+
+/* Define to 1 if you have the <sys/socket.h> header file. */
+#define HAVE_SYS_SOCKET_H 1
+
+/* Define to 1 if you have the <sys/sockio.h> header file. */
+/* #undef HAVE_SYS_SOCKIO_H */
+
+/* Define to 1 if you have the <sys/stat.h> header file. */
+#define HAVE_SYS_STAT_H 1
+
+/* Define to 1 if you have the <sys/timeb.h> header file. */
+/* Deprecated in android-24 */
+#undef HAVE_SYS_TIMEB_H
+
+/* Define to 1 if you have the <sys/types.h> header file. */
+#define HAVE_SYS_TYPES_H 1
+
+/* Define to 1 if you have the <sys/uio.h> header file. */
+#define HAVE_SYS_UIO_H 1
+
+/* Define to 1 if you have <sys/wait.h> that is POSIX.1 compatible. */
+#define HAVE_SYS_WAIT_H 1
+
+/* Define to 1 if you have the `tcgetattr' function. */
+#define HAVE_TCGETATTR 1
+
+/* Define to 1 if you have the <termios.h> header file. */
+#define HAVE_TERMIOS_H 1
+
+/* Define to 1 if you have the <termio.h> header file. */
+#define HAVE_TERMIO_H 1
+
+/* Define to 1 if you have the `time' function. */
+#define HAVE_TIME 1
+
+/* Define to 1 if you have the `times' function. */
+#define HAVE_TIMES 1
+
+/* Define to 1 if you have the <unistd.h> header file. */
+#define HAVE_UNISTD_H 1
+
+/* Define to 1 if you have the <utime.h> header file. */
+/* #undef HAVE_UTIME_H */
+
+/* Define to 1 if you have the <varargs.h> header file. */
+/* #undef HAVE_VARARGS_H */
+
+/* Define this if va_copy() is defined in stdarg.h */
+#define HAVE_VA_COPY 1
+
+/* Define to 1 if you have the `vfork' function. */
+#define HAVE_VFORK 1
+
+/* Define to 1 if you have the <vfork.h> header file. */
+/* #undef HAVE_VFORK_H */
+
+/* Define to 1 if you have the `vsnprintf' function. */
+#define HAVE_VSNPRINTF 1
+
+/* Define to 1 if you have the <winsock2.h> header file. */
+/* #undef HAVE_WINSOCK2_H */
+
+/* Define to 1 if `fork' works. */
+#define HAVE_WORKING_FORK 1
+
+/* Define to 1 if `vfork' works. */
+#define HAVE_WORKING_VFORK 1
+
+/* Define to 1 if you have the file `AC_File'. */
+#define HAVE__PROC_SELF_EXE 1
+
+/* Define to 1 if you have the `_swab' function. */
+/* #undef HAVE__SWAB */
+
+/* Define it if compiler supports ISO syntax for thread-local storage */
+#define HAVE___THREAD 1
+
+/* Define this if CPU is HPPA */
+/* #undef HPPA */
+
+/* Define this if OS is HP-UX */
+/* #undef HPUX */
+
+/* Define this if OS is Linux */
+#define LINUX 1
+
+/* Define this if OS is NetBSD */
+/* #undef NETBSD */
+
+/* Define to the address where bug reports for this package should be sent. */
+#define PACKAGE_BUGREPORT ""
+
+/* Define to the full name of this package. */
+#define PACKAGE_NAME ""
+
+/* Define to the full name and version of this package. */
+#define PACKAGE_STRING ""
+
+/* Define to the one symbol short name of this package. */
+#define PACKAGE_TARNAME ""
+
+/* Define to the version of this package. */
+#define PACKAGE_VERSION ""
+
+/* Define to the necessary symbol if this constant uses a non-standard name on
+   your system. */
+/* #undef PTHREAD_CREATE_JOINABLE */
+
+/* Define as the return type of signal handlers (`int' or `void'). */
+#define RETSIGTYPE void
+
+/* Define to 1 if the `setpgrp' function takes no argument. */
+#define SETPGRP_VOID 1
+
+/* Architecture is big-edian sh4 */
+/* #undef SHEB */
+
+/* Extension for shared libraries */
+#define SHRLIB_EXT "so"
+
+/* The size of `long', as computed by sizeof. */
+#define SIZEOF_LONG 8
+
+/* The size of `size_t', as computed by sizeof. */
+#define SIZEOF_SIZE_T 8
+
+/* The size of `void *', as computed by sizeof. */
+#define SIZEOF_VOID_P 8
+
+
+/* Define to 1 if you have the ANSI C header files. */
+#define STDC_HEADERS 1
+
+/* Define this if databases on raw devices should be supported */
+#define SUPPORT_RAW_DEVICES 1
+
+/* Define to 1 if you can safely include both <sys/time.h> and <time.h>. */
+#define TIME_WITH_SYS_TIME 1
+
+/* Define this if OS is Windows NT */
+/* #undef WIN_NT */
+
+/* Define WORDS_BIGENDIAN to 1 if your processor stores words with the most
+   significant byte first (like Motorola and SPARC, unlike Intel). */
+#if defined AC_APPLE_UNIVERSAL_BUILD
+# if defined __BIG_ENDIAN__
+#  define WORDS_BIGENDIAN 1
+# endif
+#else
+# ifndef WORDS_BIGENDIAN
+/* #  undef WORDS_BIGENDIAN */
+# endif
+#endif
+
+/* Define this if sem_init() works on the platform */
+#define WORKING_SEM_INIT 1
+
+/* Number of bits in a file offset, on hosts where this is settable. */
+#define _FILE_OFFSET_BITS 64
+
+/* Define for large files, on AIX-style hosts. */
+/* #undef _LARGE_FILES */
+
+/* Define to `int' if <sys/types.h> doesn't define. */
+/* #undef gid_t */
+
+/* Define to `long int' if <sys/types.h> does not define. */
+/* #undef off_t */
+
+/* Define to `int' if <sys/types.h> does not define. */
+/* #undef pid_t */
+
+/* Define to `unsigned int' if <sys/types.h> does not define. */
+/* #undef size_t */
+
+/* Define to `int' if <sys/types.h> doesn't define. */
+/* #undef uid_t */
+
+/* Define as `fork' if `vfork' does not work. */
+/* #undef vfork */
+
+/* Define to empty if the keyword `volatile' does not work. Warning: valid
+   code using `volatile' can become incorrect without. Disable with care. */
+/* #undef volatile */
+
+#ifdef GETTIMEOFDAY_RETURNS_TIMEZONE
+#define GETTIMEOFDAY(x) gettimeofday((x), (struct timezone *)0)
+#else
+#define GETTIMEOFDAY(x) gettimeofday((x))
+#endif
+
+#ifndef HAVE_SOCKLEN_T
+typedef int socklen_t;
+#endif
diff --git a/cross/firebird/src/make.synology b/cross/firebird/src/make.synology
new file mode 100644
index 000000000000..6e0183efcb15
--- /dev/null
+++ b/cross/firebird/src/make.synology
@@ -0,0 +1,34 @@
+# vim: syntax=make
+#
+# This file is copied to firebird/builds/posix/ and from there is used by
+# the ./configure --with-cross-build=xxx, where the resulting file name is
+# firebird/builds/posix/make.xxx
+#
+
+CXX:=$(CROSS_TOOLCHAIN)g++                                                      
+CC:=$(CROSS_TOOLCHAIN)gcc                                                        
+AR:=$(CROSS_TOOLCHAIN)ar                                                              
+AS:=$(CROSS_TOOLCHAIN)as                                                              
+LD:=$(CROSS_TOOLCHAIN)ld                                                              
+NM:=$(CROSS_TOOLCHAIN)nm                                                              
+OBJCOPY:=$(CROSS_TOOLCHAIN)objcopy                                                    
+OBJDUMP:=$(CROSS_TOOLCHAIN)objdump                                                    
+RANLIB:=$(CROSS_TOOLCHAIN)ranlib                                                      
+STRIP:=$(CROSS_TOOLCHAIN)strip     
+
+COMMON_FLAGS=$(CROSS_CFLAGS) -ggdb -DFB_SEND_FLAGS=MSG_NOSIGNAL -DLINUX -DAMD64 -pipe -MMD -fPIC -fmessage-length=0
+
+OPTIMIZE_FLAGS=-fno-omit-frame-pointer
+WARN_FLAGS=-Wall -Wno-switch -Wno-parentheses -Wno-unknown-pragmas -Wno-unused-variable
+
+PROD_FLAGS=$(COMMON_FLAGS) $(OPTIMIZE_FLAGS)
+DEV_FLAGS=$(COMMON_FLAGS) $(WARN_FLAGS)
+
+CROSS_CONFIG=synology.x86_64.h
+
+.PHONY: prerequisites
+prerequisites:
+
+# This file must be compiled with SSE4.2 support
+%/CRC32C.o: COMMON_FLAGS += -msse4
+