]> sigrok.org Git - libsigrok.git/blobdiff - Makefile.am
lecroy-logicstudio: Initial driver implementation.
[libsigrok.git] / Makefile.am
index ef408422551783b77db9431b629bde299071521d..0b12ea43a8b5655a126f725d35b4d37fb189b01f 100644 (file)
 ## along with this program.  If not, see <http://www.gnu.org/licenses/>.
 ##
 
-ACLOCAL_AMFLAGS = -I autostuff
+ACLOCAL_AMFLAGS = -I m4
+AM_LIBTOOLFLAGS = --silent
+GNUMAKEFLAGS = --no-print-directory
 
-AM_CPPFLAGS = -I$(srcdir)/src -DFIRMWARE_DIR='"$(FIRMWARE_DIR)"'
+# distutils/setuptools cause trouble on distcheck. Disable for now.
+DISTCHECK_CONFIGURE_FLAGS = --disable-python
+
+FIRMWARE_DIR = $(datadir)/sigrok-firmware
+
+local_includes = -Iinclude -I$(srcdir)/include -I$(srcdir)/src -I.
+if BINDINGS_CXX
+local_includes += -Ibindings/cxx/include -I$(srcdir)/bindings/cxx/include -Ibindings/cxx
+endif
+# Do not hard-code the firmware location on Windows.
+if WIN32
+global_defs =
+else
+global_defs = -DFIRMWARE_DIR='"$(FIRMWARE_DIR)"'
+endif
+# Ensure that local include directories are always searched first.
+AM_CPPFLAGS = $(local_includes) $(global_defs)
+
+# The tests CFLAGS are a superset of the libsigrok CFLAGS, and the
+# python bindings CFLAGS are a superset of the C++ bindings CFLAGS.
+AM_CFLAGS = $(SR_EXTRA_CFLAGS) $(SR_WFLAGS) $(TESTS_CFLAGS)
+AM_CXXFLAGS = $(SR_WXXFLAGS) $(PYSIGROK_CFLAGS)
 
 lib_LTLIBRARIES = libsigrok.la
 
@@ -37,6 +60,7 @@ libsigrok_la_SOURCES = \
        src/soft-trigger.c \
        src/analog.c \
        src/fallback.c \
+       src/resource.c \
        src/strutil.c \
        src/log.c \
        src/version.c \
@@ -77,7 +101,9 @@ libsigrok_la_SOURCES += \
 
 # SCPI support
 libsigrok_la_SOURCES += \
+       src/scpi.h \
        src/scpi/scpi.c \
+       src/scpi/helpers.c \
        src/scpi/scpi_tcp.c
 if NEED_RPC
 libsigrok_la_SOURCES += \
@@ -106,7 +132,7 @@ libsigrok_la_SOURCES += \
        src/scpi/scpi_libgpib.c
 endif
 
-# modbus support
+# Modbus support
 libsigrok_la_SOURCES += \
        src/modbus/modbus.c
 if NEED_SERIAL
@@ -125,7 +151,8 @@ libsigrok_la_SOURCES += \
        src/dmm/bm25x.c \
        src/dmm/ut71x.c \
        src/dmm/ut372.c \
-       src/dmm/vc870.c
+       src/dmm/vc870.c \
+       src/dmm/dtm0660.c
 
 # Hardware (LCR chip parsers)
 if NEED_SERIAL
@@ -133,6 +160,10 @@ libsigrok_la_SOURCES += \
        src/lcr/es51919.c
 endif
 
+# Hardware (Scale protocol parsers)
+libsigrok_la_SOURCES += \
+       src/scale/kern.c
+
 # Hardware drivers
 if HW_AGILENT_DMM
 libsigrok_la_SOURCES += \
@@ -148,8 +179,9 @@ libsigrok_la_SOURCES += \
 endif
 if HW_ASIX_SIGMA
 libsigrok_la_SOURCES += \
-       src/hardware/asix-sigma/asix-sigma.h \
-       src/hardware/asix-sigma/asix-sigma.c
+       src/hardware/asix-sigma/protocol.h \
+       src/hardware/asix-sigma/protocol.c \
+       src/hardware/asix-sigma/api.c
 endif
 if HW_ATTEN_PPS3XXX
 libsigrok_la_SOURCES += \
@@ -243,6 +275,12 @@ libsigrok_la_SOURCES += \
        src/hardware/gmc-mh-1x-2x/protocol.c \
        src/hardware/gmc-mh-1x-2x/api.c
 endif
+if HW_GWINSTEK_GDS_800
+libsigrok_la_SOURCES += \
+       src/hardware/gwinstek-gds-800/protocol.h \
+       src/hardware/gwinstek-gds-800/protocol.c \
+       src/hardware/gwinstek-gds-800/api.c
+endif
 if HW_HAMEG_HMO
 libsigrok_la_SOURCES += \
        src/hardware/hameg-hmo/protocol.h \
@@ -255,6 +293,12 @@ libsigrok_la_SOURCES += \
        src/hardware/hantek-dso/dso.c \
        src/hardware/hantek-dso/api.c
 endif
+if HW_HUNG_CHANG_DSO_2100
+libsigrok_la_SOURCES += \
+       src/hardware/hung-chang-dso-2100/protocol.h \
+       src/hardware/hung-chang-dso-2100/protocol.c \
+       src/hardware/hung-chang-dso-2100/api.c
+endif
 if HW_IKALOGIC_SCANALOGIC2
 libsigrok_la_SOURCES += \
        src/hardware/ikalogic-scanalogic2/protocol.h \
@@ -273,12 +317,30 @@ libsigrok_la_SOURCES += \
        src/hardware/kecheng-kc-330b/protocol.c \
        src/hardware/kecheng-kc-330b/api.c
 endif
+if HW_KERN_SCALE
+libsigrok_la_SOURCES += \
+       src/hardware/kern-scale/protocol.h \
+       src/hardware/kern-scale/protocol.c \
+       src/hardware/kern-scale/api.c
+endif
+if HW_KORAD_KAXXXXP
+libsigrok_la_SOURCES += \
+       src/hardware/korad-kaxxxxp/protocol.h \
+       src/hardware/korad-kaxxxxp/protocol.c \
+       src/hardware/korad-kaxxxxp/api.c
+endif
 if HW_LASCAR_EL_USB
 libsigrok_la_SOURCES += \
        src/hardware/lascar-el-usb/protocol.h \
        src/hardware/lascar-el-usb/protocol.c \
        src/hardware/lascar-el-usb/api.c
 endif
+if HW_LECROY_LOGICSTUDIO
+libsigrok_la_SOURCES += \
+       src/hardware/lecroy-logicstudio/protocol.h \
+       src/hardware/lecroy-logicstudio/protocol.c \
+       src/hardware/lecroy-logicstudio/api.c
+endif
 if HW_MANSON_HCS_3XXX
 libsigrok_la_SOURCES += \
        src/hardware/manson-hcs-3xxx/protocol.h \
@@ -350,6 +412,8 @@ if HW_SYSCLK_LWLA
 libsigrok_la_SOURCES += \
        src/hardware/sysclk-lwla/lwla.h \
        src/hardware/sysclk-lwla/lwla.c \
+       src/hardware/sysclk-lwla/lwla1016.c \
+       src/hardware/sysclk-lwla/lwla1034.c \
        src/hardware/sysclk-lwla/protocol.h \
        src/hardware/sysclk-lwla/protocol.c \
        src/hardware/sysclk-lwla/api.c
@@ -409,16 +473,14 @@ libsigrok_la_SOURCES += \
        src/hardware/zeroplus-logic-cube/api.c
 endif
 
-libsigrok_la_LIBADD = $(LIBOBJS)
-
-libsigrok_la_LDFLAGS = $(SR_LIB_LDFLAGS)
-
-libsigrok_la_LDFLAGS += -no-undefined
+libsigrok_la_LIBADD = $(SR_EXTRA_LIBS) $(LIBSIGROK_LIBS)
+libsigrok_la_LDFLAGS = -version-info $(SR_LIB_VERSION) -no-undefined
 
 library_includedir = $(includedir)/libsigrok
 library_include_HEADERS = \
        include/libsigrok/libsigrok.h \
-       include/libsigrok/proto.h \
+       include/libsigrok/proto.h
+nodist_library_include_HEADERS = \
        include/libsigrok/version.h
 noinst_HEADERS = src/libsigrok-internal.h
 
@@ -429,6 +491,25 @@ EXTRA_DIST = \
        Doxyfile \
        HACKING \
        README.devices \
+       bindings/cxx/ConfigKey_methods.cpp \
+       bindings/cxx/ConfigKey_methods.hpp \
+       bindings/cxx/ConfigKey_methods.i \
+       bindings/cxx/Doxyfile \
+       bindings/cxx/QuantityFlag_methods.cpp \
+       bindings/cxx/QuantityFlag_methods.hpp \
+       bindings/cxx/enums.py \
+       bindings/python/Doxyfile \
+       bindings/python/setup.py \
+       bindings/python/sigrok/__init__.py \
+       bindings/python/sigrok/core/__init__.py \
+       bindings/python/sigrok/core/classes.i \
+       bindings/java/Doxyfile \
+       bindings/java/org/sigrok/core/classes/classes.i \
+       bindings/java/org/sigrok/core/interfaces/DatafeedCallback.java \
+       bindings/java/org/sigrok/core/interfaces/LogCallback.java \
+       bindings/swig/classes.i \
+       bindings/swig/doc.py \
+       bindings/swig/templates.i \
        contrib/gnuplot_chronovu_la8.gpi \
        contrib/gnuplot_rigol_ds1xx2.gpi \
        contrib/gnuplot_usbeesx.gpi \
@@ -438,10 +519,9 @@ EXTRA_DIST = \
        contrib/z60_libsigrok.rules
 
 if HAVE_CHECK
-
 TESTS = tests/main
-
 check_PROGRAMS = ${TESTS}
+endif
 
 tests_main_SOURCES = \
        include/libsigrok/libsigrok.h \
@@ -458,16 +538,14 @@ tests_main_SOURCES = \
        tests/version.c \
        tests/driver_all.c \
        tests/device.c \
-       tests/trigger.c
-
-tests_main_CFLAGS = @check_CFLAGS@
-
-tests_main_LDADD = $(top_builddir)/libsigrok.la @check_LIBS@
+       tests/trigger.c \
+       tests/analog.c
 
-endif
+tests_main_LDADD = libsigrok.la $(SR_EXTRA_LIBS) $(TESTS_LIBS)
 
 BUILD_EXTRA =
 INSTALL_EXTRA =
+UNINSTALL_EXTRA =
 CLEAN_EXTRA =
 
 if BINDINGS_CXX
@@ -476,15 +554,13 @@ lib_LTLIBRARIES += bindings/cxx/libsigrokcxx.la
 
 bindings_cxx_libsigrokcxx_la_SOURCES = bindings/cxx/classes.cpp
 
-bindings_cxx_libsigrokcxx_la_LIBADD = libsigrok.la $(glibmm_LIBS)
-
-bindings_cxx_libsigrokcxx_la_LDFLAGS = $(SR_LIB_LDFLAGS)
-
-bindings_cxx_libsigrokcxx_la_LDFLAGS += -no-undefined
+bindings_cxx_libsigrokcxx_la_LIBADD = libsigrok.la $(SR_EXTRA_LIBS) $(LIBSIGROKCXX_LIBS)
+bindings_cxx_libsigrokcxx_la_LDFLAGS = -version-info $(SR_LIB_VERSION) -no-undefined
 
 bindings_cxx_libsigrokcxx_la_includedir = $(includedir)/libsigrokcxx
 bindings_cxx_libsigrokcxx_la_include_HEADERS = \
-       bindings/cxx/include/libsigrokcxx/libsigrokcxx.hpp \
+       bindings/cxx/include/libsigrokcxx/libsigrokcxx.hpp
+nodist_bindings_cxx_libsigrokcxx_la_include_HEADERS = \
        bindings/cxx/include/libsigrokcxx/enums.hpp
 
 pkgconfig_DATA += bindings/cxx/libsigrokcxx.pc
@@ -492,8 +568,8 @@ pkgconfig_DATA += bindings/cxx/libsigrokcxx.pc
 doxy/xml/index.xml: include/libsigrok/libsigrok.h
        $(AM_V_GEN)cd $(srcdir) && BUILDDIR=$(abs_builddir)/ doxygen Doxyfile 2>/dev/null
 
+bindings/swig/enums.i: bindings/cxx/enums.timestamp
 bindings/cxx/enums.cpp: bindings/cxx/enums.timestamp
-
 bindings/cxx/include/libsigrokcxx/enums.hpp: bindings/cxx/enums.timestamp
 
 bindings/cxx/enums.timestamp: $(srcdir)/bindings/cxx/enums.py doxy/xml/index.xml \
@@ -502,11 +578,12 @@ bindings/cxx/enums.timestamp: $(srcdir)/bindings/cxx/enums.py doxy/xml/index.xml
        $(AM_V_at)touch $@
 
 bindings/cxx/classes.lo: bindings/cxx/classes.cpp bindings/cxx/enums.cpp \
-               $(library_include_HEADERS)
+               $(library_include_HEADERS) $(nodist_library_include_HEADERS)
 
 cxx-clean:
        rm -rf doxy/
        rm -rf bindings/cxx/doxy/
+       rm -f bindings/swig/enums.i
        rm -f bindings/cxx/enums.cpp
        rm -f bindings/cxx/include/libsigrokcxx/enums.hpp
        rm -f bindings/cxx/enums.timestamp
@@ -521,41 +598,53 @@ $(CPPXMLDOC): bindings/cxx/include/libsigrokcxx/libsigrokcxx.hpp \
                bindings/cxx/enums.timestamp
        $(AM_V_GEN)cd $(srcdir)/bindings/cxx && BUILDDIR=$(abs_builddir)/bindings/cxx/ doxygen Doxyfile 2>/dev/null
 
+# Macro definitions to be used by the SWIG parser.
+swig_defs = -Dnoexcept= -Dprivate=protected -DG_GNUC_BEGIN_IGNORE_DEPRECATIONS= -DG_GNUC_END_IGNORE_DEPRECATIONS=
+
 if BINDINGS_PYTHON
 
 PDIR = bindings/python
-PDOC = bindings/python/sigrok/core/doc.i
+PDOC_START = bindings/python/sigrok/core/doc_start.i
+PDOC_END = bindings/python/sigrok/core/doc_end.i
 
-$(PDOC): bindings/swig/doc.py $(CPPXMLDOC)
-       $(AM_V_at)test -d $(PDIR)/sigrok/core || $(MKDIR_P) $(PDIR)/sigrok/core
-       $(AM_V_GEN)$(PYTHON) $< python $(CPPXMLDOC) > $@
-
-python-build: $(PDIR)/timestamp
+setup_vars = VERSION='$(PACKAGE_VERSION)' CC='$(CXX)' CFLAGS='$(AM_CXXFLAGS) $(CXXFLAGS)' CXXFLAGS='$(AM_CXXFLAGS) $(CXXFLAGS)' LDADD='$(PYSIGROK_LIBS)'
+setup_quiet = --quiet
+setup_py = $(PYTHON) $(srcdir)/$(PDIR)/setup.py $(setup_vars) $(setup_quiet)
 
-python-quietclean:
-       $(AM_V_at)cd $(PDIR) && $(PYTHON) $(abs_srcdir)/$(PDIR)/setup.py --quiet clean --all 3>&1 1>&2 2>&3 \
-               | grep -v "can.t clean it"; true
+$(PDOC_START): $(srcdir)/bindings/swig/doc.py $(CPPXMLDOC)
+       $(AM_V_at)test -d $(PDIR)/sigrok/core || $(MKDIR_P) $(PDIR)/sigrok/core
+       $(AM_V_GEN)$(PYTHON) $(srcdir)/bindings/swig/doc.py python $(CPPXMLDOC) start > $@
 
-$(PDIR)/timestamp: bindings/cxx/libsigrokcxx.la $(PDIR)/sigrok/core/classes.i \
-               bindings/swig/classes.i $(PDOC) $(library_include_HEADERS)
-       $(AM_V_at)$(MAKE) python-quietclean
-       $(AM_V_GEN)cd $(PDIR) && $(PYTHON) $(abs_srcdir)/$(PDIR)/setup.py --quiet build 3>&1 1>&2 2>&3 \
-               | grep -v "command line option.*Wstrict-prototypes"; true
-       $(AM_V_at)touch $(PDIR)/timestamp
+$(PDOC_END): $(srcdir)/bindings/swig/doc.py $(CPPXMLDOC)
+       $(AM_V_at)test -d $(PDIR)/sigrok/core || $(MKDIR_P) $(PDIR)/sigrok/core
+       $(AM_V_GEN)$(PYTHON) $(srcdir)/bindings/swig/doc.py python $(CPPXMLDOC) end > $@
 
-$(DESTDIR)$(prefix):
-       $(MKDIR_P) $@
+python-build: $(PDIR)/timestamp
 
-python-install: $(DESTDIR)$(prefix)
-       cd $(PDIR) && $(PYTHON) $(abs_srcdir)/$(PDIR)/setup.py --quiet install --prefix $(prefix) `test "$(DESTDIR)" && echo --root=$(DESTDIR)`
+$(PDIR)/timestamp: $(PDIR)/sigrok/core/classes.i \
+               bindings/swig/classes.i bindings/swig/templates.i \
+               bindings/swig/enums.i $(PDOC_START) $(PDOC_END) \
+               $(library_include_HEADERS) \
+               $(nodist_library_include_HEADERS) \
+               $(bindings_cxx_libsigrokcxx_la_include_HEADERS) \
+               $(nodist_bindings_cxx_libsigrokcxx_la_include_HEADERS) \
+               @ORDER@ bindings/cxx/libsigrokcxx.la
+       $(AM_V_at)$(setup_py) clean --all 2>/dev/null
+       $(AM_V_GEN)$(setup_py) build_ext --swig "$(SWIG)" --swig-opts '$(swig_defs)' build_py
+       $(AM_V_at): >$@
+
+python-install:
+       $(AM_V_at)$(MKDIR_P) "$(DESTDIR)$(prefix)" "$(DESTDIR)$(exec_prefix)"
+       destdir='$(DESTDIR)'; $(setup_py) install $${destdir:+"--root=$$destdir"} \
+               --prefix "$(prefix)" --exec-prefix "$(exec_prefix)"
 
 python-clean:
-       $(AM_V_at)$(MAKE) python-quietclean
-       $(AM_V_at)rm -f $(PDIR)/timestamp
-       $(AM_V_at)rm -rf $(PDIR)/doxy/
+       -$(AM_V_at)rm -f $(PDIR)/timestamp
+       -$(AM_V_at)rm -fr $(PDIR)/doxy
+       -$(AM_V_at)$(setup_py) clean --all 2>/dev/null
 
 python-doc:
-       $(AM_V_at)cd $(srcdir)/$(PDIR) && BUILDDIR=$(abs_builddir)/$(PDIR)/ doxygen Doxyfile 2>/dev/null
+       $(AM_V_at)cd $(srcdir)/$(PDIR) && BUILDDIR="$(abs_builddir)/$(PDIR)/" doxygen Doxyfile 2>/dev/null
 
 BUILD_EXTRA += python-build
 INSTALL_EXTRA += python-install
@@ -576,59 +665,76 @@ JCXX = $(JCLS)/classes_wrap.cxx
 JLIB = $(JDIR)/libsigrok_java_core_classes.so
 JJAR = $(JDIR)/sigrok-core.jar
 
+java_cleanfiles = $(JCXX) $(JCLS)/*.java $(JCLS)/*.class $(JINT)/*.class $(JJAR) $(JLIB)
+
 java-build: $(JJAR) $(JLIB)
 
-$(JDOC): bindings/swig/doc.py $(CPPXMLDOC)
+$(JDOC): $(srcdir)/bindings/swig/doc.py $(CPPXMLDOC)
        $(AM_V_at)test -d $(JCLS) || $(MKDIR_P) $(JCLS)
-       $(AM_V_GEN)python $< java $(CPPXMLDOC) > $@
-
-$(JCXX): $(JSWG) $(JDOC) bindings/swig/classes.i $(library_include_HEADERS)
-       $(AM_V_at)make java-clean
-       $(AM_V_GEN)swig -c++ -java -package org.sigrok.core.classes \
-               -I$(srcdir)/include -I$(srcdir)/bindings/cxx/include -I$(srcdir) -I$(JCLS) -Ibindings/cxx/include -outdir $(JCLS) -o $@ $<
+       $(AM_V_GEN)$(PYTHON) $(srcdir)/bindings/swig/doc.py java $(CPPXMLDOC) > $@
+
+$(JCXX): $(srcdir)/$(JSWG) $(JDOC) bindings/swig/classes.i \
+               bindings/swig/templates.i bindings/swig/enums.i \
+               $(bindings_cxx_libsigrokcxx_la_include_HEADERS) \
+               $(nodist_bindings_cxx_libsigrokcxx_la_include_HEADERS)
+       -$(AM_V_at)rm -f $(java_cleanfiles)
+       $(AM_V_GEN)$(SWIG) -c++ $(swig_defs) \
+               -java -package org.sigrok.core.classes \
+               -Ibindings -I$(JCLS) $(local_includes) -I$(srcdir) $(JNI_CPPFLAGS) \
+               -outdir $(JCLS) -o $@ $(srcdir)/$(JSWG)
 
 $(JJAR): $(JCXX)
-       $(AM_V_GEN)$(JAVAC) -sourcepath $(JDIR) -d $(JDIR) $(JSRC)
+       $(AM_V_GEN)$(JAVAC) -d $(JDIR) $(JSRC)
        $(AM_V_at)jar cf $(JJAR) -C $(JDIR) $(JPKG)
 
-$(JLIB): $(JCXX) bindings/cxx/libsigrokcxx.la $(library_include_HEADERS)
-       $(AM_V_GEN)$(CXXCOMPILE) -L.libs -Lbindings/cxx/.libs \
+$(JLIB): $(JCXX) \
+               $(library_include_HEADERS) $(nodist_library_include_HEADERS) \
+               $(bindings_cxx_libsigrokcxx_la_include_HEADERS) \
+               $(nodist_bindings_cxx_libsigrokcxx_la_include_HEADERS) \
+               @ORDER@ bindings/cxx/libsigrokcxx.la
+       $(AM_V_GEN)$(CXXCOMPILE) $(JNI_CPPFLAGS) -L.libs -Lbindings/cxx/.libs \
                -fno-strict-aliasing -fPIC -shared $(JCLS)/classes_wrap.cxx \
-               -lsigrokcxx -o $(JLIB)
+               -lsigrokcxx $(LIBSIGROKCXX_LIBS) -o $(JLIB)
 
 java-install:
-       $(INSTALL) -d $(libdir)/jni
-       $(INSTALL) $(JLIB) -t $(libdir)/jni
-       $(INSTALL) -d $(datadir)/java
-       $(INSTALL) $(JJAR) -t $(datadir)/java
+       $(INSTALL) -d $(DESTDIR)$(libdir)/jni
+       $(INSTALL) $(JLIB) $(DESTDIR)$(libdir)/jni
+       $(INSTALL) -d $(DESTDIR)$(datadir)/java
+       $(INSTALL) $(JJAR) $(DESTDIR)$(datadir)/java
+
+java-uninstall:
+       -rm -f $(DESTDIR)$(datadir)/java/sigrok-core.jar
+       -rm -f $(DESTDIR)$(libdir)/jni/libsigrok_java_core_classes.so
 
 java-clean:
-       $(AM_V_at)rm -f $(JCXX)
-       $(AM_V_at)rm -f $(JCLS)/*.java
-       $(AM_V_at)rm -f $(JCLS)/*.class
-       $(AM_V_at)rm -f $(JINT)/*.class
-       $(AM_V_at)rm -f $(JJAR)
-       $(AM_V_at)rm -f $(JLIB)
-       $(AM_V_at)rm -rf $(JDIR)/doxy/
+       -$(AM_V_at)rm -f $(java_cleanfiles) $(JDOC)
+       -$(AM_V_at)rm -fr $(JDIR)/doxy
 
 java-doc:
-       $(AM_V_at)cd $(srcdir)/$(JDIR) && BUILDDIR=$(abs_builddir)/$(JDIR)/ doxygen Doxyfile 2>/dev/null
+       $(AM_V_at)cd $(srcdir)/$(JDIR) && BUILDDIR="$(abs_builddir)/$(JDIR)/" doxygen Doxyfile
 
 BUILD_EXTRA += java-build
 INSTALL_EXTRA += java-install
+UNINSTALL_EXTRA += java-uninstall
 CLEAN_EXTRA += java-clean
 
 endif
 
 all-local: $(BUILD_EXTRA)
 install-exec-local: $(INSTALL_EXTRA)
+uninstall-local: $(UNINSTALL_EXTRA)
 clean-local: $(CLEAN_EXTRA)
 
-MAINTAINERCLEANFILES = ChangeLog
+.PHONY: dist-changelog
 
-.PHONY: ChangeLog
-ChangeLog:
-       git --git-dir $(top_srcdir)/.git log > ChangeLog || touch ChangeLog
+dist-hook: dist-changelog
 
-dist-hook: ChangeLog
+dist-changelog:
+       $(AM_V_at)if test ! -d '$(top_srcdir)/.git'; then \
+               cp -f '$(top_srcdir)/ChangeLog' "$(top_distdir)/ChangeLog"; \
+       elif git -C '$(top_srcdir)' log >.ChangeLog.tmp; then \
+               mv -f .ChangeLog.tmp "$(top_distdir)/ChangeLog"; \
+       else \
+               rm -f .ChangeLog.tmp; exit 1; \
+       fi