Avoid unintentionally making syn1588_dist the default target

This could happen with older versions of GNU make
that don's support the .DEFAULT_GOAL variable.

1 files changed, 311 insertions, 303 deletions

diff --git a/makefile-supp-syn1588.mk b/makefile-supp-syn1588.mk
index 9a9d62d..a202af7 100644
--- a/makefile-supp-syn1588.mk
+++ b/makefile-supp-syn1588.mk
@@ -1,305 +1,313 @@
-

-#########################################################################

-#

-#  $Id: makefile-supp-syn1588.mk 1.6 2023/08/02 10:06:56 martin.burnicki REL_M $

-#

-#  Makefile to be included in the top-level makefile

-#  of projects with SYN1588 support.

-#

-# -----------------------------------------------------------------------

+
+#########################################################################
+#
+#  $Id: makefile-supp-syn1588.mk 1.7 2023/08/02 15:21:48 martin.burnicki REL_M $
+#
+#  Makefile to be included in the top-level makefile
+#  of projects with SYN1588 support.
+#
+# -----------------------------------------------------------------------
 #  $Log: makefile-supp-syn1588.mk $
+#  Revision 1.7  2023/08/02 15:21:48  martin.burnicki
+#  Avoid unintentionally making syn1588_dist the default goal.
 #  Revision 1.6  2023/08/02 10:06:56  martin.burnicki
-#  Improved support for SYN1588 debugging.

-#  Revision 1.5  2022/09/07 17:26:43  martin.burnicki

-#  Cleanup.

-#  Revision 1.4  2022/07/06 14:39:27  martin.burnicki

-#  Updated syn1588 module list.

-#  Revision 1.3  2022/05/30 09:23:28  martin.burnicki

-#  Support build option DEBUG_SYN1588_C_API.

-#  Revision 1.2  2022/03/10 15:43:52  martin.burnicki

-#  If a link has been set up that points to a specific directory with SYN1588

-#  support files, assume that SYN1588 support is to be included by default.

-#  Revision 1.1  2022/02/18 16:41:44  martin.burnicki

-#  Initial revision where most SYN1588 stuff was

-#  moved here from the top level Makefile.

-#

-#########################################################################

-

-# If a link has been set up that points to a specific directory

-# with SYN1588 support files, we assume that SYN1588 support

-# is to be included by default.

-ifndef SYN1588_DIR

-  ifneq (,$(wildcard $(MBGLIB)/syn1588-dir))

-    SYN1588_DIR = syn1588-dir

-  endif

-endif

-

-# If a SYN1588 subdirectory (within mbglib) has explicitly

-# been defined, we enable support for SYN1588 cards by default.

-ifdef SYN1588_DIR

-  SUPP_SYN1588 ?= 1

-endif

-

-# Unless support for SYN1588 cards has explicitly been enabled,

-# it is disabled by default,

-# The reason is that a C++ compiler is required only

-# for the SYN1588 stuff, and the C++ compiler has to be

-# e.g. gcc/g++ 8 or newer.

-SUPP_SYN1588 ?= 0

-

-

-# Some secondary symbols related to SYN1588.

-SUPP_SYN1588_USR_SPC ?= $(SUPP_SYN1588)

-SUPP_SYN1588_USR_SPC_CPP ?= $(SUPP_SYN1588_USR_SPC)

-SUPP_SYN1588_SHM ?= 0

-DEBUG_SYN1588_C_API ?= 0

-DEBUG_SYN1588_DETECTION ?= 0

-DEBUG_SYN1588_OPEN_CLOSE ?= 0

-

-

-# The default subdirectory within the mbglib directory

-# where the distributed SYN1588-specific files are located.

-SYN1588_DIST_DIR = syn1588

-

-# Unless a directory for the SYN1588 API has explicitly

-# been specified, we use the default directory.

-SYN1588_DIR ?= $(SYN1588_DIST_DIR)

-

-

-# The basic list of SYN1588 API files required

-# to build the driver package with SYN1588 support.

-SYN1588_API_FILES = src/basicfunctions.h

-SYN1588_API_FILES += src/basictypes.h

-SYN1588_API_FILES += src/datasets.h

-SYN1588_API_FILES += src/libs/clock/config_clock.h

-SYN1588_API_FILES += src/libs/clock_ifc.h

-SYN1588_API_FILES += src/libs/config/configdata.h

-SYN1588_API_FILES += src/libs/config/simple_utils.cpp

-SYN1588_API_FILES += src/libs/config/simple_utils.h

-SYN1588_API_FILES += src/libs/config_ifc.h

-SYN1588_API_FILES += src/libs/datatypes.h

-SYN1588_API_FILES += src/libs/hwclock_ifc.h

-SYN1588_API_FILES += src/libs/io_ifc.h

-SYN1588_API_FILES += src/libs/log/config_log.h

-SYN1588_API_FILES += src/libs/log/log.cpp

-SYN1588_API_FILES += src/libs/log/log.h

-SYN1588_API_FILES += src/libs/log_ifc.h

-SYN1588_API_FILES += src/libs/network/config_network.h

-SYN1588_API_FILES += src/libs/os.h

-SYN1588_API_FILES += src/libs/os/$(TGT_SYSTEM)/os.cpp

-SYN1588_API_FILES += src/libs/ptpdatatypes/basictypes.cpp

-SYN1588_API_FILES += src/libs/security/config_security.h

-SYN1588_API_FILES += src/libs/syn1588/$(TGT_SYSTEM)/syn1588_impl.cpp

-SYN1588_API_FILES += src/libs/syn1588/syn1588.cpp

-SYN1588_API_FILES += src/libs/syn1588/syn1588.h

-SYN1588_API_FILES += src/libs/syn1588/syn1588_c_api.cpp

-SYN1588_API_FILES += src/libs/syn1588/syn1588_check_register_access.cpp

-SYN1588_API_FILES += src/libs/syn1588/syn1588_check_register_access.h

-SYN1588_API_FILES += src/libs/syn1588/syn1588_ifc.cpp

-SYN1588_API_FILES += src/libs/syn1588/syn1588_impl.h

-SYN1588_API_FILES += src/libs/syn1588/ts_config.cpp

-SYN1588_API_FILES += src/libs/syn1588/ts_config.h

-SYN1588_API_FILES += src/libs/syn1588_c_api.h

-SYN1588_API_FILES += src/libs/syn1588_ifc.h

-SYN1588_API_FILES += src/msgx.h

-SYN1588_API_FILES += src/ptptime.h

-

-ifneq ($(ALT_SYSTEM),)

-  # A list of API files for the alternate system only.

-  SYN1588_API_FILES_ALT_SYS += src/libs/os/$(ALT_SYSTEM)/os.cpp

-  SYN1588_API_FILES_ALT_SYS += src/libs/syn1588/$(ALT_SYSTEM)/syn1588_impl.cpp

-endif

-

-

-ifneq ($(SUPP_SYN1588_SHM),0)

-  # These files are only required if shared memory support

-  # is to be included.

-  SYN1588_API_FILES += src/libs/sharedmem/config_io.h

-  SYN1588_API_FILES += src/libs/sharedmem/io.cpp

-  SYN1588_API_FILES += src/libs/sharedmem/io.h

-  SYN1588_API_FILES += src/libs/sharedmem/io_reduced.cpp

-  SYN1588_API_FILES += src/libs/sharedmem/io_reduced.h

-  SYN1588_API_FILES += src/libs/sharedmem/$(TGT_SYSTEM)/semaphore_impl.cpp

-  SYN1588_API_FILES += src/libs/sharedmem/$(TGT_SYSTEM)/semaphore_impl.h

-  SYN1588_API_FILES += src/libs/sharedmem/$(TGT_SYSTEM)/sharedmem.cpp

-  SYN1588_API_FILES += src/libs/sharedmem/$(TGT_SYSTEM)/sharedmem.h

-  SYN1588_API_FILES += src/libs/sharedmem/semaphore_ifc.h

-  SYN1588_API_FILES += src/libs/sharedmem/sharedmem_api.cpp

-  SYN1588_API_FILES += src/libs/sharedmem/sharedmem_layout.h

-  SYN1588_API_FILES += src/libs/sharedmem/sharedmem_layout_ptpv2.h

-  SYN1588_API_FILES += src/libs/sharedmem_api.h

-

-  ifneq ($(ALT_SYSTEM),)

-    # A list of API files for the alternate system only.

-    SYN1588_API_FILES_ALT_SYS += src/libs/sharedmem/$(ALT_SYSTEM)/semaphore_impl.cpp

-    SYN1588_API_FILES_ALT_SYS += src/libs/sharedmem/$(ALT_SYSTEM)/semaphore_impl.h

-    SYN1588_API_FILES_ALT_SYS += src/libs/sharedmem/$(ALT_SYSTEM)/sharedmem.cpp

-    SYN1588_API_FILES_ALT_SYS += src/libs/sharedmem/$(ALT_SYSTEM)/sharedmem.h

-  endif

-endif

-

-

-# The next file is yet only required for the win32 target.

-ifeq ($(TGT_SYSTEM),$(SYSTEM_WIN32))

-  SYN1588_API_FILES += src/libs/snprintf_safe.h

-else

-  SYN1588_API_FILES_ALT_SYS += src/libs/snprintf_safe.h

-endif

-

-

-ifneq ($(SUPP_SYN1588_USR_SPC_CPP),0)

-

-  # Create lists of .cpp and .c source files that belong to the API.

-  SYN1588_SOURCES_CPP = $(filter %.cpp,$(SYN1588_API_FILES))

-  SYN1588_SOURCES_C = $(filter %.c,$(SYN1588_API_FILES))

-  SYN1588_SOURCES = $(SYN1588_SOURCES_CPP) $(SYN1588_SOURCES_C)

-

-  # Determine the list of files that have to be added

-  # to the OBJS list.

-  SYN1588_SRC_FILES_CPP = $(notdir $(SYN1588_SOURCES_CPP))

-  SYN1588_SRC_FILES_C = $(notdir $(SYN1588_SOURCES_C))

-  SYN1588_OBJS = $(SYN1588_SRC_FILES_CPP:.cpp=.o) $(SYN1588_SRC_FILES_C:.c=.o)

-  SYN1588_OBJS += simple_utils.o

-

-  # Determine the list of directories that have

-  # to be added to VPATH.

-  SYN1588_SRC_DIRS = $(addprefix $(MBGLIB)/$(SYN1588_DIR)/,$(sort $(dir $(SYN1588_SOURCES))))

-

-  # Determine the list of directories that have

-  # to be added to the include search path.

-  SYN1588_HEADERS = $(filter %.h,$(SYN1588_API_FILES))

-

-  ifeq ($(TGT_SYSTEM),$(SYSTEM_WIN32))

-    # On Windows we need a specific list of include search

-    # paths. Otherwise there may be name clashes of some

-    # header files from the SYN1588 API with standard headers,

-    # resulting in build errors.

-    SYN1588_INC_DIR_LIST = .

-    SYN1588_INC_DIR_LIST += src

-    SYN1588_INC_DIR_LIST += proj/gcc

-    SYN1588_INC_DIR_LIST += src/libs

-    SYN1588_INC_DIR_LIST += src/libs/config

-    SYN1588_INC_DIR_LIST += src/libs/ptpdatatypes

-    SYN1588_INC_DIR_LIST += src/libs/log

-    SYN1588_INC_DIR_LIST += src/libs/os/win32

-    SYN1588_INC_DIR_LIST += src/libs/syn1588/

-    SYN1588_INC_DIR_LIST += src/libs/syn1588/win32

-    ifneq ($(SUPP_SYN1588_SHM),0)

-      SYN1588_INC_DIR_LIST += src/libs/sharedmem/win32

-    endif

-#    SYN1588_INC_DIR_LIST += $(dir $(filter %.h,$(SYN1588_API_FILES_OPT)))

-

-    SYN1588_INC_DIRS = $(addprefix $(MBGLIB)/$(SYN1588_DIR)/,$(SYN1588_INC_DIR_LIST))

-  else

-    # For other targets we just add the directories that

-    # contain any of the header files in $(SYN1588_API_FILES).

-    SYN1588_INC_DIR_LIST = $(dir $(SYN1588_HEADERS))

-

-    SYN1588_INC_DIRS = $(addprefix $(MBGLIB)/$(SYN1588_DIR)/,$(sort $(SYN1588_INC_DIR_LIST)))

-  endif

-

-  CPPFLAGS_SYN1588_INC = $(patsubst %,-I%,$(SYN1588_INC_DIRS))

-endif

-

-export SUPP_SYN1588_USR_SPC

-export SUPP_SYN1588_USR_SPC_CPP

-export DEBUG_SYN1588_C_API

-export DEBUG_SYN1588_DETECTION

-export DEBUG_SYN1588_OPEN_CLOSE

-export SYN1588_OBJS

-

-

-ifdef DEBUG

-  ifneq ($(SUPP_SYN1588_USR_SPC),0)

-    SUPP_SYN1588_USR_SPC_DEBUG ?= $(DEBUG)

-  endif

-endif

-

-SUPP_SYN1588_USR_SPC_DEBUG ?= 0

-

-$(call debug_msg,$(INFO) SYN1588_DIR:                $(SYN1588_DIR))

-$(call debug_msg,$(INFO) SYN1588_DIR_FOUND:          $(SYN1588_DIR_FOUND))

-$(call debug_msg,$(INFO) SUPP_SYN1588:               $(SUPP_SYN1588))

-$(call debug_msg,$(INFO) SUPP_SYN1588_USR_SPC:       $(SUPP_SYN1588_USR_SPC))

-$(call debug_msg,$(INFO) SUPP_SYN1588_USR_SPC_CPP:   $(SUPP_SYN1588_USR_SPC_CPP))

-$(call debug_msg,$(INFO) SUPP_SYN1588_USR_SPC_DEBUG: $(SUPP_SYN1588_USR_SPC_DEBUG))

-$(call debug_msg,$(INFO) DEBUG_SYN1588_C_API:        $(DEBUG_SYN1588_C_API))

-$(call debug_msg,$(INFO) DEBUG_SYN1588_DETECTION:    $(DEBUG_SYN1588_DETECTION))

-$(call debug_msg,$(INFO) DEBUG_SYN1588_OPEN_CLOSE:   $(DEBUG_SYN1588_OPEN_CLOSE))

-

-

-CPPFLAGS_SYN1588 += -DSUPP_SYN1588=$(SUPP_SYN1588)

-CPPFLAGS_SYN1588 += -DSUPP_SYN1588_USR_SPC=$(SUPP_SYN1588_USR_SPC)

-CPPFLAGS_SYN1588 += -DSUPP_SYN1588_USR_SPC_CPP=$(SUPP_SYN1588_USR_SPC_CPP)

-CPPFLAGS_SYN1588 += -DSUPP_SYN1588_SHM=$(SUPP_SYN1588_SHM)

-CPPFLAGS_SYN1588 += -DSUPP_SYN1588_USR_SPC_DEBUG=$(SUPP_SYN1588_USR_SPC_DEBUG)

-CPPFLAGS_SYN1588 += -DDEBUG_SYN1588_C_API=$(DEBUG_SYN1588_C_API)

-CPPFLAGS_SYN1588 += -DDEBUG_SYN1588_DETECTION=$(DEBUG_SYN1588_DETECTION)

-CPPFLAGS_SYN1588 += -DDEBUG_SYN1588_OPEN_CLOSE=$(DEBUG_SYN1588_OPEN_CLOSE)

-CPPFLAGS_SYN1588 += -DNO_LOGGING=1

-CPPFLAGS_SYN1588 += -DLOG_LEVEL=-1

-

-

-ifneq ($(SUPP_SYN1588_USR_SPC_CPP),0)

-  ifneq ($(SUPP_SYN1588_SHM),0)

-    # If we want to support the SYN1588 SHM with

-    # newer versions of the SYN1588 source code,

-    # we have to define _SHARED_MEM_.

-    CPPFLAGS_SYN1588 += -D_SHARED_MEM_=1

-  endif

-

-  ifeq ($(TGT_SYSTEM),$(SYSTEM_WIN32))

-    CPPFLAGS_SYN1588 += -include winsock2.h

-  endif

-

-  # If we use some C++ files, we probably also need

-  # to link against the standard C++ run time library.

-  LDLIBS_SYN1588 += -lstdc++

-endif

-

-#==================================================================================

-

-# The section below is only useful for a maintainer of the driver package.

-# The target syn1588_dist can be used to update the SYN1588 distribution files

-# from a full PTPv2 repo.

-

-# Check if the src repo directory exists.

-SYN1588_REPO_DIR = $(MBGLIB)/PTPv2

-SYN1588_REPO_DIR_FOUND = $(call chk_exist_dir, $(SYN1588_REPO_DIR))

-

-ifneq ($(SYN1588_REPO_DIR_FOUND),)

-  # The src repo directory exists, so we can copy

-  # the API files.

-

-  SYN1588_DST_DIR = $(MBGLIB)/$(SYN1588_DIST_DIR)

-

-  SYN1588_DIST_DST_FILES := $(addprefix $(SYN1588_DST_DIR)/,$(SYN1588_API_FILES))

-  ifdef SYN1588_DIST_ALT_SYS

-    SYN1588_DIST_DST_FILES += $(addprefix $(SYN1588_DST_DIR)/,$(SYN1588_API_FILES_ALT_SYS))

-  endif

-

-.PHONY: syn1588_dist

-syn1588_dist: syn1588_dist_clean $(SYN1588_DIST_DST_FILES)

-

-

-$(SYN1588_DIST_DST_FILES) : $(addprefix $(SYN1588_DST_DIR), %) : $(addprefix $(SYN1588_REPO_DIR), %)

-	@mkdir -p $(dir $@)

-	@cp -pv $< $@

-	@chmod 644 $@

-

-else

-

-  # The src repo directory doesn't exist, so we

-  # just print an error message.

-

-.PHONY: syn1588_dist

-syn1588_dist:

-	@echo "Repo dir $(SYN1588_REPO_DIR) not found."

-

-endif

-

-

-.PHONY: syn1588_dist_clean

-syn1588_dist_clean:

-	rm -rf $(SYN1588_DST_DIR)

-

+#  Improved support for SYN1588 debugging.
+#  Revision 1.5  2022/09/07 17:26:43  martin.burnicki
+#  Cleanup.
+#  Revision 1.4  2022/07/06 14:39:27  martin.burnicki
+#  Updated syn1588 module list.
+#  Revision 1.3  2022/05/30 09:23:28  martin.burnicki
+#  Support build option DEBUG_SYN1588_C_API.
+#  Revision 1.2  2022/03/10 15:43:52  martin.burnicki
+#  If a link has been set up that points to a specific directory with SYN1588
+#  support files, assume that SYN1588 support is to be included by default.
+#  Revision 1.1  2022/02/18 16:41:44  martin.burnicki
+#  Initial revision where most SYN1588 stuff was
+#  moved here from the top level Makefile.
+#
+#########################################################################
+
+# If a link has been set up that points to a specific directory
+# with SYN1588 support files, we assume that SYN1588 support
+# is to be included by default.
+ifndef SYN1588_DIR
+  ifneq (,$(wildcard $(MBGLIB)/syn1588-dir))
+    SYN1588_DIR = syn1588-dir
+  endif
+endif
+
+# If a SYN1588 subdirectory (within mbglib) has explicitly
+# been defined, we enable support for SYN1588 cards by default.
+ifdef SYN1588_DIR
+  SUPP_SYN1588 ?= 1
+endif
+
+# Unless support for SYN1588 cards has explicitly been enabled,
+# it is disabled by default,
+# The reason is that a C++ compiler is required only
+# for the SYN1588 stuff, and the C++ compiler has to be
+# e.g. gcc/g++ 8 or newer.
+SUPP_SYN1588 ?= 0
+
+
+# Some secondary symbols related to SYN1588.
+SUPP_SYN1588_USR_SPC ?= $(SUPP_SYN1588)
+SUPP_SYN1588_USR_SPC_CPP ?= $(SUPP_SYN1588_USR_SPC)
+SUPP_SYN1588_SHM ?= 0
+DEBUG_SYN1588_C_API ?= 0
+DEBUG_SYN1588_DETECTION ?= 0
+DEBUG_SYN1588_OPEN_CLOSE ?= 0
+
+
+# The default subdirectory within the mbglib directory
+# where the distributed SYN1588-specific files are located.
+SYN1588_DIST_DIR = syn1588
+
+# Unless a directory for the SYN1588 API has explicitly
+# been specified, we use the default directory.
+SYN1588_DIR ?= $(SYN1588_DIST_DIR)
+
+
+# The basic list of SYN1588 API files required
+# to build the driver package with SYN1588 support.
+SYN1588_API_FILES = src/basicfunctions.h
+SYN1588_API_FILES += src/basictypes.h
+SYN1588_API_FILES += src/datasets.h
+SYN1588_API_FILES += src/libs/clock/config_clock.h
+SYN1588_API_FILES += src/libs/clock_ifc.h
+SYN1588_API_FILES += src/libs/config/configdata.h
+SYN1588_API_FILES += src/libs/config/simple_utils.cpp
+SYN1588_API_FILES += src/libs/config/simple_utils.h
+SYN1588_API_FILES += src/libs/config_ifc.h
+SYN1588_API_FILES += src/libs/datatypes.h
+SYN1588_API_FILES += src/libs/hwclock_ifc.h
+SYN1588_API_FILES += src/libs/io_ifc.h
+SYN1588_API_FILES += src/libs/log/config_log.h
+SYN1588_API_FILES += src/libs/log/log.cpp
+SYN1588_API_FILES += src/libs/log/log.h
+SYN1588_API_FILES += src/libs/log_ifc.h
+SYN1588_API_FILES += src/libs/network/config_network.h
+SYN1588_API_FILES += src/libs/os.h
+SYN1588_API_FILES += src/libs/os/$(TGT_SYSTEM)/os.cpp
+SYN1588_API_FILES += src/libs/ptpdatatypes/basictypes.cpp
+SYN1588_API_FILES += src/libs/security/config_security.h
+SYN1588_API_FILES += src/libs/syn1588/$(TGT_SYSTEM)/syn1588_impl.cpp
+SYN1588_API_FILES += src/libs/syn1588/syn1588.cpp
+SYN1588_API_FILES += src/libs/syn1588/syn1588.h
+SYN1588_API_FILES += src/libs/syn1588/syn1588_c_api.cpp
+SYN1588_API_FILES += src/libs/syn1588/syn1588_check_register_access.cpp
+SYN1588_API_FILES += src/libs/syn1588/syn1588_check_register_access.h
+SYN1588_API_FILES += src/libs/syn1588/syn1588_ifc.cpp
+SYN1588_API_FILES += src/libs/syn1588/syn1588_impl.h
+SYN1588_API_FILES += src/libs/syn1588/ts_config.cpp
+SYN1588_API_FILES += src/libs/syn1588/ts_config.h
+SYN1588_API_FILES += src/libs/syn1588_c_api.h
+SYN1588_API_FILES += src/libs/syn1588_ifc.h
+SYN1588_API_FILES += src/msgx.h
+SYN1588_API_FILES += src/ptptime.h
+
+ifneq ($(ALT_SYSTEM),)
+  # A list of API files for the alternate system only.
+  SYN1588_API_FILES_ALT_SYS += src/libs/os/$(ALT_SYSTEM)/os.cpp
+  SYN1588_API_FILES_ALT_SYS += src/libs/syn1588/$(ALT_SYSTEM)/syn1588_impl.cpp
+endif
+
+
+ifneq ($(SUPP_SYN1588_SHM),0)
+  # These files are only required if shared memory support
+  # is to be included.
+  SYN1588_API_FILES += src/libs/sharedmem/config_io.h
+  SYN1588_API_FILES += src/libs/sharedmem/io.cpp
+  SYN1588_API_FILES += src/libs/sharedmem/io.h
+  SYN1588_API_FILES += src/libs/sharedmem/io_reduced.cpp
+  SYN1588_API_FILES += src/libs/sharedmem/io_reduced.h
+  SYN1588_API_FILES += src/libs/sharedmem/$(TGT_SYSTEM)/semaphore_impl.cpp
+  SYN1588_API_FILES += src/libs/sharedmem/$(TGT_SYSTEM)/semaphore_impl.h
+  SYN1588_API_FILES += src/libs/sharedmem/$(TGT_SYSTEM)/sharedmem.cpp
+  SYN1588_API_FILES += src/libs/sharedmem/$(TGT_SYSTEM)/sharedmem.h
+  SYN1588_API_FILES += src/libs/sharedmem/semaphore_ifc.h
+  SYN1588_API_FILES += src/libs/sharedmem/sharedmem_api.cpp
+  SYN1588_API_FILES += src/libs/sharedmem/sharedmem_layout.h
+  SYN1588_API_FILES += src/libs/sharedmem/sharedmem_layout_ptpv2.h
+  SYN1588_API_FILES += src/libs/sharedmem_api.h
+
+  ifneq ($(ALT_SYSTEM),)
+    # A list of API files for the alternate system only.
+    SYN1588_API_FILES_ALT_SYS += src/libs/sharedmem/$(ALT_SYSTEM)/semaphore_impl.cpp
+    SYN1588_API_FILES_ALT_SYS += src/libs/sharedmem/$(ALT_SYSTEM)/semaphore_impl.h
+    SYN1588_API_FILES_ALT_SYS += src/libs/sharedmem/$(ALT_SYSTEM)/sharedmem.cpp
+    SYN1588_API_FILES_ALT_SYS += src/libs/sharedmem/$(ALT_SYSTEM)/sharedmem.h
+  endif
+endif
+
+
+# The next file is yet only required for the win32 target.
+ifeq ($(TGT_SYSTEM),$(SYSTEM_WIN32))
+  SYN1588_API_FILES += src/libs/snprintf_safe.h
+else
+  SYN1588_API_FILES_ALT_SYS += src/libs/snprintf_safe.h
+endif
+
+
+ifneq ($(SUPP_SYN1588_USR_SPC_CPP),0)
+
+  # Create lists of .cpp and .c source files that belong to the API.
+  SYN1588_SOURCES_CPP = $(filter %.cpp,$(SYN1588_API_FILES))
+  SYN1588_SOURCES_C = $(filter %.c,$(SYN1588_API_FILES))
+  SYN1588_SOURCES = $(SYN1588_SOURCES_CPP) $(SYN1588_SOURCES_C)
+
+  # Determine the list of files that have to be added
+  # to the OBJS list.
+  SYN1588_SRC_FILES_CPP = $(notdir $(SYN1588_SOURCES_CPP))
+  SYN1588_SRC_FILES_C = $(notdir $(SYN1588_SOURCES_C))
+  SYN1588_OBJS = $(SYN1588_SRC_FILES_CPP:.cpp=.o) $(SYN1588_SRC_FILES_C:.c=.o)
+  SYN1588_OBJS += simple_utils.o
+
+  # Determine the list of directories that have
+  # to be added to VPATH.
+  SYN1588_SRC_DIRS = $(addprefix $(MBGLIB)/$(SYN1588_DIR)/,$(sort $(dir $(SYN1588_SOURCES))))
+
+  # Determine the list of directories that have
+  # to be added to the include search path.
+  SYN1588_HEADERS = $(filter %.h,$(SYN1588_API_FILES))
+
+  ifeq ($(TGT_SYSTEM),$(SYSTEM_WIN32))
+    # On Windows we need a specific list of include search
+    # paths. Otherwise there may be name clashes of some
+    # header files from the SYN1588 API with standard headers,
+    # resulting in build errors.
+    SYN1588_INC_DIR_LIST = .
+    SYN1588_INC_DIR_LIST += src
+    SYN1588_INC_DIR_LIST += proj/gcc
+    SYN1588_INC_DIR_LIST += src/libs
+    SYN1588_INC_DIR_LIST += src/libs/config
+    SYN1588_INC_DIR_LIST += src/libs/ptpdatatypes
+    SYN1588_INC_DIR_LIST += src/libs/log
+    SYN1588_INC_DIR_LIST += src/libs/os/win32
+    SYN1588_INC_DIR_LIST += src/libs/syn1588/
+    SYN1588_INC_DIR_LIST += src/libs/syn1588/win32
+    ifneq ($(SUPP_SYN1588_SHM),0)
+      SYN1588_INC_DIR_LIST += src/libs/sharedmem/win32
+    endif
+#    SYN1588_INC_DIR_LIST += $(dir $(filter %.h,$(SYN1588_API_FILES_OPT)))
+
+    SYN1588_INC_DIRS = $(addprefix $(MBGLIB)/$(SYN1588_DIR)/,$(SYN1588_INC_DIR_LIST))
+  else
+    # For other targets we just add the directories that
+    # contain any of the header files in $(SYN1588_API_FILES).
+    SYN1588_INC_DIR_LIST = $(dir $(SYN1588_HEADERS))
+
+    SYN1588_INC_DIRS = $(addprefix $(MBGLIB)/$(SYN1588_DIR)/,$(sort $(SYN1588_INC_DIR_LIST)))
+  endif
+
+  CPPFLAGS_SYN1588_INC = $(patsubst %,-I%,$(SYN1588_INC_DIRS))
+endif
+
+export SUPP_SYN1588_USR_SPC
+export SUPP_SYN1588_USR_SPC_CPP
+export DEBUG_SYN1588_C_API
+export DEBUG_SYN1588_DETECTION
+export DEBUG_SYN1588_OPEN_CLOSE
+export SYN1588_OBJS
+
+
+ifdef DEBUG
+  ifneq ($(SUPP_SYN1588_USR_SPC),0)
+    SUPP_SYN1588_USR_SPC_DEBUG ?= $(DEBUG)
+  endif
+endif
+
+SUPP_SYN1588_USR_SPC_DEBUG ?= 0
+
+$(call debug_msg,$(INFO) SYN1588_DIR:                $(SYN1588_DIR))
+$(call debug_msg,$(INFO) SYN1588_DIR_FOUND:          $(SYN1588_DIR_FOUND))
+$(call debug_msg,$(INFO) SUPP_SYN1588:               $(SUPP_SYN1588))
+$(call debug_msg,$(INFO) SUPP_SYN1588_USR_SPC:       $(SUPP_SYN1588_USR_SPC))
+$(call debug_msg,$(INFO) SUPP_SYN1588_USR_SPC_CPP:   $(SUPP_SYN1588_USR_SPC_CPP))
+$(call debug_msg,$(INFO) SUPP_SYN1588_USR_SPC_DEBUG: $(SUPP_SYN1588_USR_SPC_DEBUG))
+$(call debug_msg,$(INFO) DEBUG_SYN1588_C_API:        $(DEBUG_SYN1588_C_API))
+$(call debug_msg,$(INFO) DEBUG_SYN1588_DETECTION:    $(DEBUG_SYN1588_DETECTION))
+$(call debug_msg,$(INFO) DEBUG_SYN1588_OPEN_CLOSE:   $(DEBUG_SYN1588_OPEN_CLOSE))
+
+
+CPPFLAGS_SYN1588 += -DSUPP_SYN1588=$(SUPP_SYN1588)
+CPPFLAGS_SYN1588 += -DSUPP_SYN1588_USR_SPC=$(SUPP_SYN1588_USR_SPC)
+CPPFLAGS_SYN1588 += -DSUPP_SYN1588_USR_SPC_CPP=$(SUPP_SYN1588_USR_SPC_CPP)
+CPPFLAGS_SYN1588 += -DSUPP_SYN1588_SHM=$(SUPP_SYN1588_SHM)
+CPPFLAGS_SYN1588 += -DSUPP_SYN1588_USR_SPC_DEBUG=$(SUPP_SYN1588_USR_SPC_DEBUG)
+CPPFLAGS_SYN1588 += -DDEBUG_SYN1588_C_API=$(DEBUG_SYN1588_C_API)
+CPPFLAGS_SYN1588 += -DDEBUG_SYN1588_DETECTION=$(DEBUG_SYN1588_DETECTION)
+CPPFLAGS_SYN1588 += -DDEBUG_SYN1588_OPEN_CLOSE=$(DEBUG_SYN1588_OPEN_CLOSE)
+CPPFLAGS_SYN1588 += -DNO_LOGGING=1
+CPPFLAGS_SYN1588 += -DLOG_LEVEL=-1
+
+
+ifneq ($(SUPP_SYN1588_USR_SPC_CPP),0)
+  ifneq ($(SUPP_SYN1588_SHM),0)
+    # If we want to support the SYN1588 SHM with
+    # newer versions of the SYN1588 source code,
+    # we have to define _SHARED_MEM_.
+    CPPFLAGS_SYN1588 += -D_SHARED_MEM_=1
+  endif
+
+  ifeq ($(TGT_SYSTEM),$(SYSTEM_WIN32))
+    CPPFLAGS_SYN1588 += -include winsock2.h
+  endif
+
+  # If we use some C++ files, we probably also need
+  # to link against the standard C++ run time library.
+  LDLIBS_SYN1588 += -lstdc++
+endif
+
+#==================================================================================
+
+# The section below is only useful for a maintainer of the driver package.
+# The target syn1588_dist can be used to update the SYN1588 distribution files
+# from a full PTPv2 repo.
+
+# If no targets were specified, avoid that one of the phony targets
+# defined below becomes the default goal when this makefile is included.
+
+ifneq ($(MAKECMDGOALS),)
+
+# Check if the src repo directory exists.
+SYN1588_REPO_DIR = $(MBGLIB)/PTPv2
+SYN1588_REPO_DIR_FOUND = $(call chk_exist_dir, $(SYN1588_REPO_DIR))
+
+ifneq ($(SYN1588_REPO_DIR_FOUND),)
+  # The src repo directory exists, so we can copy
+  # the API files.
+
+  SYN1588_DST_DIR = $(MBGLIB)/$(SYN1588_DIST_DIR)
+
+  SYN1588_DIST_DST_FILES := $(addprefix $(SYN1588_DST_DIR)/,$(SYN1588_API_FILES))
+  ifdef SYN1588_DIST_ALT_SYS
+    SYN1588_DIST_DST_FILES += $(addprefix $(SYN1588_DST_DIR)/,$(SYN1588_API_FILES_ALT_SYS))
+  endif
+
+.PHONY: syn1588_dist
+syn1588_dist: syn1588_dist_clean $(SYN1588_DIST_DST_FILES)
+
+
+$(SYN1588_DIST_DST_FILES) : $(addprefix $(SYN1588_DST_DIR), %) : $(addprefix $(SYN1588_REPO_DIR), %)
+	@mkdir -p $(dir $@)
+	@cp -pv $< $@
+	@chmod 644 $@
+
+else
+
+  # The src repo directory doesn't exist, so we
+  # just print an error message.
+
+.PHONY: syn1588_dist
+syn1588_dist:
+	@echo "Repo dir $(SYN1588_REPO_DIR) not found."
+
+endif
+
+
+.PHONY: syn1588_dist_clean
+syn1588_dist_clean:
+	rm -rf $(SYN1588_DST_DIR)
+
+endif  # neq ($(MAKECMDGOALS),)