diff --git a/Demo/Makefile.am b/Demo/Makefile.am
new file mode 100644
--- /dev/null
+++ b/Demo/Makefile.am
@@ -0,0 +1,46 @@
+AM_CPPFLAGS = -I$(top_srcdir)/Include $(AMD_CFLAGS) $(COLAMD_CFLAGS) $(BTF_CFLAGS) $(CHOLMOD_CFLAGS)
+LDADD = $(top_builddir)/Source/libklu.la
+
+EXTRA_DIST = \
+	klu_simple.out \
+	kludemo.out
+
+# Disable the .out implicit pattern rule.  Prevents GNU make from
+# adding bogus dependencies for the .out files listed above.
+%.out: %
+
+check_PROGRAMS = klu_simple
+TESTS = klu_simple
+klu_simple_SOURCES = klu_simple.c
+
+if CHOLMOD
+check_PROGRAMS += kludemo kluldemo
+
+kludemo_SOURCES = kludemo.c
+kludemo_LDADD = $(LDADD) $(CHOLMOD_LIBS) -lm
+
+kluldemo_SOURCES = kluldemo.c
+kluldemo_LDADD = $(LDADD) $(CHOLMOD_LIBS) -lm
+
+MATRICES = \
+	$(top_srcdir)/Matrix/1c.mtx \
+	$(top_srcdir)/Matrix/arrowc.mtx \
+	$(top_srcdir)/Matrix/arrow.mtx \
+	$(top_srcdir)/Matrix/impcol_a.mtx \
+	$(top_srcdir)/Matrix/w156.mtx \
+	$(top_srcdir)/Matrix/ctina.mtx
+
+check-local: kludemo kluldemo $(MATRICES)
+	-./kludemo < $(top_srcdir)/Matrix/1c.mtx
+	-./kludemo < $(top_srcdir)/Matrix/arrowc.mtx
+	-./kludemo < $(top_srcdir)/Matrix/arrow.mtx
+	-./kludemo < $(top_srcdir)/Matrix/impcol_a.mtx
+	-./kludemo < $(top_srcdir)/Matrix/w156.mtx
+	-./kludemo < $(top_srcdir)/Matrix/ctina.mtx
+	-./kluldemo < $(top_srcdir)/Matrix/1c.mtx
+	-./kluldemo < $(top_srcdir)/Matrix/arrowc.mtx
+	-./kluldemo < $(top_srcdir)/Matrix/arrow.mtx
+	-./kluldemo < $(top_srcdir)/Matrix/impcol_a.mtx
+	-./kluldemo < $(top_srcdir)/Matrix/w156.mtx
+	-./kluldemo < $(top_srcdir)/Matrix/ctina.mtx
+endif
diff --git a/Doc/Makefile.am b/Doc/Makefile.am
new file mode 100644
--- /dev/null
+++ b/Doc/Makefile.am
@@ -0,0 +1,51 @@
+EXTRA_DIST = \
+	ChangeLog \
+	License.txt \
+	lesser.txt
+
+dist_noinst_DATA = KLU_UserGuide.tex KLU_UserGuide.bib
+dist_pdf_DATA = KLU_UserGuide.pdf palamadai_e.pdf
+
+SRC = \
+	klu_h.tex \
+	btf_h.tex \
+	klu_simple_c.tex
+
+KLU_UserGuide.pdf KLU_UserGuide.aux: $(SRC)
+.INTERMEDIATE: KLU_UserGuide.aux $(SRC)
+
+define verbatim =
+echo '\begin{verbatim}' > $@
+expand -8 $< >> $@
+echo '\end{verbatim}' >> $@
+endef
+
+klu_h.tex: $(top_srcdir)/Include/klu.h
+	$(verbatim)
+
+# FIXME:  We don't know the location of btf.h.
+# Insert a placeholder for now.
+#btf_h.tex: /usr/include/btf.h
+#	$(verbatim)
+btf_h.tex:
+	echo '\begin{verbatim}' > $@
+	echo 'See your btf.h local install' >> $@
+	echo '\end{verbatim}' >> $@
+
+klu_simple_c.tex: $(top_srcdir)/Demo/klu_simple.c
+	$(verbatim)
+
+TEX = TEXINPUTS="$(srcdir):" pdflatex -interaction nonstopmode -file-line-error
+BIB = BIBINPUTS="$(srcdir):" bibtex
+%.pdf: %.tex %.bbl
+	$(TEX) $*
+	while grep -q "Rerun to get cross-references right" $*.log; do \
+		$(TEX) $*; \
+	done
+%.bbl: %.aux %.bib
+	$(BIB) $*
+%.aux: %.tex
+	$(TEX) $*
+
+CLEANFILES = *.aux *.bbl *.blg *.log *.toc $(SRC)
+MAINTAINERCLEANFILES = $(dist_pdf_DATA)
diff --git a/Include/Makefile.am b/Include/Makefile.am
new file mode 100644
--- /dev/null
+++ b/Include/Makefile.am
@@ -0,0 +1 @@
+pkginclude_HEADERS = klu.h klu_internal.h klu_version.h
diff --git a/Makefile.am b/Makefile.am
new file mode 100644
--- /dev/null
+++ b/Makefile.am
@@ -0,0 +1,9 @@
+ACLOCAL_AMFLAGS = -I m4
+
+SUBDIRS = Include Source User Matrix Demo Tcov Doc
+EXTRA_DIST = README.txt
+
+pkgconfig_DATA = klu.pc
+
+CODE_COVERAGE_BRANCH_COVERAGE = 1
+@CODE_COVERAGE_RULES@
diff --git a/Matrix/Makefile.am b/Matrix/Makefile.am
new file mode 100644
--- /dev/null
+++ b/Matrix/Makefile.am
@@ -0,0 +1,11 @@
+dist_noinst_DATA = \
+	1c.mtx \
+	GD99_cc.mtx \
+	arrow.mtx \
+	arrowc.mtx \
+	ctina.mtx \
+	impcol_a.mtx \
+	one.mtx \
+	onec.mtx \
+	two.mtx \
+	w156.mtx
diff --git a/Source/Makefile.am b/Source/Makefile.am
new file mode 100644
--- /dev/null
+++ b/Source/Makefile.am
@@ -0,0 +1,49 @@
+AM_CPPFLAGS = -I$(top_srcdir)/Include $(AMD_CFLAGS) $(COLAMD_CFLAGS) $(BTF_CFLAGS) $(SUITESPARSECONFIG_CFLAGS)
+
+noinst_LTLIBRARIES = libklud.la libkluz.la libklul.la libkluzl.la
+
+KLUSRC = \
+	klu.c \
+	klu_diagnostics.c \
+	klu_dump.c \
+	klu_extract.c \
+	klu_factor.c \
+	klu_free_numeric.c \
+	klu_kernel.c \
+	klu_refactor.c \
+	klu_scale.c \
+	klu_solve.c \
+	klu_sort.c \
+	klu_tsolve.c
+
+CKLUSRC = \
+	klu_analyze.c \
+	klu_analyze_given.c \
+	klu_defaults.c \
+	klu_free_symbolic.c \
+	klu_memory.c
+
+libklud_la_SOURCES = $(KLUSRC) $(CKLUSRC)
+libklud_la_LIBADD = $(CODE_COVERAGE_LIBS)
+libklud_la_CPPFLAGS = $(AM_CPPFLAGS) $(CODE_COVERAGE_CPPFLAGS)
+libklud_la_CFLAGS = $(AM_CFLAGS) $(CODE_COVERAGE_CFLAGS)
+
+libkluz_la_SOURCES = $(KLUSRC)
+libkluz_la_LIBADD = $(CODE_COVERAGE_LIBS)
+libkluz_la_CPPFLAGS = $(AM_CPPFLAGS) $(CODE_COVERAGE_CPPFLAGS) -DCOMPLEX
+libkluz_la_CFLAGS = $(AM_CFLAGS) $(CODE_COVERAGE_CFLAGS)
+
+libklul_la_SOURCES = $(KLUSRC) $(CKLUSRC)
+libklul_la_LIBADD = $(CODE_COVERAGE_LIBS)
+libklul_la_CPPFLAGS = $(AM_CPPFLAGS) $(CODE_COVERAGE_CPPFLAGS) -DDLONG
+libklul_la_CFLAGS = $(AM_CFLAGS) $(CODE_COVERAGE_CFLAGS)
+
+libkluzl_la_SOURCES = $(KLUSRC)
+libkluzl_la_LIBADD = $(CODE_COVERAGE_LIBS)
+libkluzl_la_CPPFLAGS = $(AM_CPPFLAGS) $(CODE_COVERAGE_CPPFLAGS) -DDLONG -DCOMPLEX
+libkluzl_la_CFLAGS = $(AM_CFLAGS) $(CODE_COVERAGE_CFLAGS)
+
+lib_LTLIBRARIES = libklu.la
+libklu_la_SOURCES =
+libklu_la_LIBADD = libklud.la libkluz.la libklul.la libkluzl.la $(AMD_LIBS) $(COLAMD_LIBS) $(BTF_LIBS) $(SUITESPARSECONFIG_LIBS)
+libklu_la_LDFLAGS = -no-undefined -release $(PACKAGE_VERSION)
diff --git a/Tcov/Makefile.am b/Tcov/Makefile.am
new file mode 100644
--- /dev/null
+++ b/Tcov/Makefile.am
@@ -0,0 +1,54 @@
+AM_CPPFLAGS = -I$(top_srcdir)/Include -I$(top_srcdir)/User $(AMD_CFLAGS) $(COLAMD_CFLAGS) $(BTF_CFLAGS) $(CHOLMOD_CFLAGS)
+LDADD = $(top_builddir)/Source/libklu.la $(top_builddir)/User/libklu_cholmod.la
+
+EXTRA_DIST = \
+	README.txt
+
+if CODE_COVERAGE_ENABLED
+check_PROGRAMS = \
+	klutest \
+	klultest
+
+klutest_SOURCES = klutest.c
+klutest_LDADD = $(LDADD) $(CHOLMOD_LIBS) $(SUITESPARSECONFIG_LIBS)
+
+klultest_SOURCES = klutest.c
+klultest_LDADD = $(LDADD) $(CHOLMOD_LIBS) $(SUITESPARSECONFIG_LIBS)
+klultest_CPPFLAGS = $(AM_CPPFLAGS) -DDLONG
+
+MATRICES = \
+	$(top_srcdir)/Matrix/1c.mtx \
+	$(top_srcdir)/Matrix/GD99_cc.mtx \
+	$(top_srcdir)/Matrix/arrow.mtx \
+	$(top_srcdir)/Matrix/arrowc.mtx \
+	$(top_srcdir)/Matrix/ctina.mtx \
+	$(top_srcdir)/Matrix/impcol_a.mtx \
+	$(top_srcdir)/Matrix/one.mtx \
+	$(top_srcdir)/Matrix/onec.mtx \
+	$(top_srcdir)/Matrix/two.mtx \
+	$(top_srcdir)/Matrix/w156.mtx
+
+check-local: $(check_PROGRAMS) $(MATRICES)
+	./klultest < $(top_srcdir)/Matrix/impcol_a.mtx  > klultests.out
+	./klultest < $(top_srcdir)/Matrix/GD99_cc.mtx  >> klultests.out
+	./klultest < $(top_srcdir)/Matrix/two.mtx      >> klultests.out
+	./klultest < $(top_srcdir)/Matrix/w156.mtx     >> klultests.out
+	./klultest < $(top_srcdir)/Matrix/arrow.mtx    >> klultests.out
+	./klultest < $(top_srcdir)/Matrix/arrowc.mtx   >> klultests.out
+	./klultest < $(top_srcdir)/Matrix/onec.mtx     >> klultests.out
+	./klultest < $(top_srcdir)/Matrix/one.mtx      >> klultests.out
+	./klultest < $(top_srcdir)/Matrix/1c.mtx       >> klultests.out
+	./klultest < $(top_srcdir)/Matrix/ctina.mtx    >> klultests.out
+	./klutest < $(top_srcdir)/Matrix/impcol_a.mtx   > klutests.out
+	./klutest < $(top_srcdir)/Matrix/GD99_cc.mtx   >> klutests.out
+	./klutest < $(top_srcdir)/Matrix/two.mtx       >> klutests.out
+	./klutest < $(top_srcdir)/Matrix/w156.mtx      >> klutests.out
+	./klutest < $(top_srcdir)/Matrix/arrow.mtx     >> klutests.out
+	./klutest < $(top_srcdir)/Matrix/arrowc.mtx    >> klutests.out
+	./klutest < $(top_srcdir)/Matrix/onec.mtx      >> klutests.out
+	./klutest < $(top_srcdir)/Matrix/one.mtx       >> klutests.out
+	./klutest < $(top_srcdir)/Matrix/1c.mtx        >> klutests.out
+	./klutest < $(top_srcdir)/Matrix/ctina.mtx     >> klutests.out
+endif
+
+CLEANFILES = *.out
diff --git a/User/Makefile.am b/User/Makefile.am
new file mode 100644
--- /dev/null
+++ b/User/Makefile.am
@@ -0,0 +1,14 @@
+AM_CPPFLAGS = -I$(top_srcdir)/Include $(AMD_CFLAGS) $(COLAMD_CFLAGS) $(BTF_CFLAGS) $(CHOLMOD_CFLAGS) $(SUITESPARSECONFIG_CFLAGS)
+
+EXTRA_DIST = README.txt
+
+if CHOLMOD
+pkginclude_HEADERS = klu_cholmod.h
+
+lib_LTLIBRARIES = libklu_cholmod.la
+libklu_cholmod_la_SOURCES = klu_cholmod.c klu_l_cholmod.c
+libklu_cholmod_la_LIBADD = $(CHOLMOD_LIBS) $(CODE_COVERAGE_LIBS)
+libklu_cholmod_la_CPPFLAGS = $(AM_CPPFLAGS) $(CODE_COVERAGE_CPPFLAGS)
+libklu_cholmod_la_CFLAGS = $(AM_CFLAGS) $(CODE_COVERAGE_CFLAGS)
+libklu_cholmod_la_LDFLAGS = -no-undefined -release $(PACKAGE_VERSION)
+endif
diff --git a/configure.ac b/configure.ac
new file mode 100644
--- /dev/null
+++ b/configure.ac
@@ -0,0 +1,59 @@
+#                                               -*- Autoconf -*-
+# Process this file with autoconf to produce a configure script.
+
+AC_PREREQ([2.69])
+AC_INIT([KLU],[1.3.9],[https://github.com/DrTimothyAldenDavis/SuiteSparse],[klu],[http://www.suitesparse.com/])
+AC_CONFIG_SRCDIR([Source/klu.c])
+AC_CONFIG_AUX_DIR([build-aux])
+AC_CONFIG_MACRO_DIR([m4])
+AC_CONFIG_HEADERS([config.h])
+AM_INIT_AUTOMAKE([foreign])
+AM_SILENT_RULES([yes])
+LT_INIT([disable-static])
+
+# Checks for programs.
+PKG_PROG_PKG_CONFIG
+AC_PROG_INSTALL
+AC_PROG_CC
+AX_CODE_COVERAGE
+
+AS_VAR_SET([LIBS_SAVED], [$LIBS])
+
+# Checks for libraries.
+AC_CHECK_LIB([m], [sqrt])
+
+PKG_CHECK_MODULES([SUITESPARSECONFIG], [suitesparseconfig])
+PKG_CHECK_MODULES([AMD], [amd])
+PKG_CHECK_MODULES([COLAMD], [colamd])
+PKG_CHECK_MODULES([BTF], [btf])
+PKG_CHECK_MODULES([CHOLMOD], [cholmod],
+	[AS_VAR_SET([have_cholmod], [yes])],
+	[AS_VAR_SET([have_cholmod], [no])
+	 AC_MSG_WARN([$CHOLMOD_PKG_ERRORS, disabling some functionality])])
+
+# Checks for header files.
+AC_CHECK_HEADERS([limits.h stdlib.h])
+
+# Checks for typedefs, structures, and compiler characteristics.
+AC_TYPE_SIZE_T
+
+# Checks for library functions.
+AC_CHECK_FUNCS([sqrt])
+
+AS_VAR_SET([LIBS], [$LIBS_SAVED])
+
+AM_CONDITIONAL([CHOLMOD], [test "x$have_cholmod" = "xyes"])
+
+m4_ifdef([PKG_INSTALLDIR], [PKG_INSTALLDIR], [AC_SUBST([pkgconfigdir], [${libdir}/pkgconfig])])
+AC_CONFIG_FILES([
+	klu.pc
+	Makefile
+	Demo/Makefile
+	Doc/Makefile
+	Include/Makefile
+	Matrix/Makefile
+	Source/Makefile
+	Tcov/Makefile
+	User/Makefile
+])
+AC_OUTPUT
diff --git a/klu.pc.in b/klu.pc.in
new file mode 100644
--- /dev/null
+++ b/klu.pc.in
@@ -0,0 +1,13 @@
+prefix=@prefix@
+exec_prefix=@exec_prefix@
+libdir=@libdir@
+includedir=@includedir@
+
+Name: @PACKAGE_NAME@
+Description: Sparse LU factorization for circuit simulation
+Version: @PACKAGE_VERSION@
+URL: @PACKAGE_URL@
+Requires.private: suitesparseconfig amd colamd btf
+Libs: -L${libdir} -lklu
+Libs.private: -lm
+Cflags: -I${includedir}/klu
diff --git a/m4/ax_code_coverage.m4 b/m4/ax_code_coverage.m4
new file mode 100644
--- /dev/null
+++ b/m4/ax_code_coverage.m4
@@ -0,0 +1,271 @@
+# ===========================================================================
+#     https://www.gnu.org/software/autoconf-archive/ax_code_coverage.html
+# ===========================================================================
+#
+# SYNOPSIS
+#
+#   AX_CODE_COVERAGE()
+#
+# DESCRIPTION
+#
+#   Defines CODE_COVERAGE_CPPFLAGS, CODE_COVERAGE_CFLAGS,
+#   CODE_COVERAGE_CXXFLAGS and CODE_COVERAGE_LIBS which should be included
+#   in the CPPFLAGS, CFLAGS CXXFLAGS and LIBS/LIBADD variables of every
+#   build target (program or library) which should be built with code
+#   coverage support. Also defines CODE_COVERAGE_RULES which should be
+#   substituted in your Makefile; and $enable_code_coverage which can be
+#   used in subsequent configure output. CODE_COVERAGE_ENABLED is defined
+#   and substituted, and corresponds to the value of the
+#   --enable-code-coverage option, which defaults to being disabled.
+#
+#   Test also for gcov program and create GCOV variable that could be
+#   substituted.
+#
+#   Note that all optimization flags in CFLAGS must be disabled when code
+#   coverage is enabled.
+#
+#   Usage example:
+#
+#   configure.ac:
+#
+#     AX_CODE_COVERAGE
+#
+#   Makefile.am:
+#
+#     @CODE_COVERAGE_RULES@
+#     my_program_LIBS = ... $(CODE_COVERAGE_LIBS) ...
+#     my_program_CPPFLAGS = ... $(CODE_COVERAGE_CPPFLAGS) ...
+#     my_program_CFLAGS = ... $(CODE_COVERAGE_CFLAGS) ...
+#     my_program_CXXFLAGS = ... $(CODE_COVERAGE_CXXFLAGS) ...
+#
+#   This results in a "check-code-coverage" rule being added to any
+#   Makefile.am which includes "@CODE_COVERAGE_RULES@" (assuming the module
+#   has been configured with --enable-code-coverage). Running `make
+#   check-code-coverage` in that directory will run the module's test suite
+#   (`make check`) and build a code coverage report detailing the code which
+#   was touched, then print the URI for the report.
+#
+#   In earlier versions of this macro, CODE_COVERAGE_LDFLAGS was defined
+#   instead of CODE_COVERAGE_LIBS. They are both still defined, but use of
+#   CODE_COVERAGE_LIBS is preferred for clarity; CODE_COVERAGE_LDFLAGS is
+#   deprecated. They have the same value.
+#
+#   This code was derived from Makefile.decl in GLib, originally licenced
+#   under LGPLv2.1+.
+#
+# LICENSE
+#
+#   Copyright (c) 2012, 2016 Philip Withnall
+#   Copyright (c) 2012 Xan Lopez
+#   Copyright (c) 2012 Christian Persch
+#   Copyright (c) 2012 Paolo Borelli
+#   Copyright (c) 2012 Dan Winship
+#   Copyright (c) 2015 Bastien ROUCARIES
+#
+#   This library is free software; you can redistribute it and/or modify it
+#   under the terms of the GNU Lesser General Public License as published by
+#   the Free Software Foundation; either version 2.1 of the License, or (at
+#   your option) any later version.
+#
+#   This library is distributed in the hope that it will be useful, but
+#   WITHOUT ANY WARRANTY; without even the implied warranty of
+#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser
+#   General Public License for more details.
+#
+#   You should have received a copy of the GNU Lesser General Public License
+#   along with this program. If not, see <https://www.gnu.org/licenses/>.
+
+#serial 27
+
+AC_DEFUN([_AX_CODE_COVERAGE_ENABLED],[
+	# check for gcov
+	AC_CHECK_TOOL([GCOV],
+		  [$_AX_CODE_COVERAGE_GCOV_PROG_WITH],
+		  [:])
+	AS_IF([test "X$GCOV" = "X:"],
+	      [AC_MSG_ERROR([gcov is needed to do coverage])])
+	AC_SUBST([GCOV])
+
+	dnl Check if gcc is being used
+	AS_IF([ test "$GCC" = "no" ], [
+		AC_MSG_ERROR([not compiling with gcc, which is required for gcov code coverage])
+	      ])
+
+	AC_CHECK_PROG([LCOV], [lcov], [lcov])
+	AC_CHECK_PROG([GENHTML], [genhtml], [genhtml])
+
+	AS_IF([ test x"$LCOV" = x ], [
+		AC_MSG_ERROR([To enable code coverage reporting you must have lcov installed])
+	      ])
+
+	AS_IF([ test x"$GENHTML" = x ], [
+		AC_MSG_ERROR([Could not find genhtml from the lcov package])
+	])
+
+	dnl Build the code coverage flags
+	dnl Define CODE_COVERAGE_LDFLAGS for backwards compatibility
+	CODE_COVERAGE_CPPFLAGS="-DNDEBUG"
+	CODE_COVERAGE_CFLAGS="-O0 -g -fprofile-arcs -ftest-coverage"
+	CODE_COVERAGE_CXXFLAGS="-O0 -g -fprofile-arcs -ftest-coverage"
+	CODE_COVERAGE_LIBS="-lgcov"
+	CODE_COVERAGE_LDFLAGS="$CODE_COVERAGE_LIBS"
+
+	AC_SUBST([CODE_COVERAGE_CPPFLAGS])
+	AC_SUBST([CODE_COVERAGE_CFLAGS])
+	AC_SUBST([CODE_COVERAGE_CXXFLAGS])
+	AC_SUBST([CODE_COVERAGE_LIBS])
+	AC_SUBST([CODE_COVERAGE_LDFLAGS])
+
+	[CODE_COVERAGE_RULES_CHECK='
+	-$(A''M_V_at)$(MAKE) $(AM_MAKEFLAGS) -k check
+	$(A''M_V_at)$(MAKE) $(AM_MAKEFLAGS) code-coverage-capture
+']
+		[CODE_COVERAGE_RULES_CAPTURE='
+	$(code_coverage_v_lcov_cap)$(LCOV) $(code_coverage_quiet) $(addprefix --directory ,$(CODE_COVERAGE_DIRECTORY)) --capture --output-file "$(CODE_COVERAGE_OUTPUT_FILE).tmp" --test-name "$(call code_coverage_sanitize,$(PACKAGE_NAME)-$(PACKAGE_VERSION))" --no-checksum --compat-libtool $(CODE_COVERAGE_LCOV_SHOPTS) $(CODE_COVERAGE_LCOV_OPTIONS)
+	$(code_coverage_v_lcov_ign)$(LCOV) $(code_coverage_quiet) $(addprefix --directory ,$(CODE_COVERAGE_DIRECTORY)) --remove "$(CODE_COVERAGE_OUTPUT_FILE).tmp" "/tmp/*" $(CODE_COVERAGE_IGNORE_PATTERN) --output-file "$(CODE_COVERAGE_OUTPUT_FILE)" $(CODE_COVERAGE_LCOV_SHOPTS) $(CODE_COVERAGE_LCOV_RMOPTS)
+	-@rm -f $(CODE_COVERAGE_OUTPUT_FILE).tmp
+	$(code_coverage_v_genhtml)LANG=C $(GENHTML) $(code_coverage_quiet) $(addprefix --prefix ,$(CODE_COVERAGE_DIRECTORY)) --output-directory "$(CODE_COVERAGE_OUTPUT_DIRECTORY)" --title "$(PACKAGE_NAME)-$(PACKAGE_VERSION) Code Coverage" --legend --show-details "$(CODE_COVERAGE_OUTPUT_FILE)" $(CODE_COVERAGE_GENHTML_OPTIONS)
+	@echo "file://$(abs_builddir)/$(CODE_COVERAGE_OUTPUT_DIRECTORY)/index.html"
+']
+		[CODE_COVERAGE_RULES_CLEAN='
+clean: code-coverage-clean
+distclean: code-coverage-clean
+code-coverage-clean:
+	-$(LCOV) --directory $(top_builddir) -z
+	-rm -rf $(CODE_COVERAGE_OUTPUT_FILE) $(CODE_COVERAGE_OUTPUT_FILE).tmp $(CODE_COVERAGE_OUTPUT_DIRECTORY)
+	-find . \( -name "*.gcda" -o -name "*.gcno" -o -name "*.gcov" \) -delete
+']
+])
+
+AC_DEFUN([_AX_CODE_COVERAGE_DISABLED],[
+   [CODE_COVERAGE_RULES_CHECK='
+	@echo "Need to reconfigure with --enable-code-coverage"
+   ']
+   CODE_COVERAGE_RULES_CAPTURE="$CODE_COVERAGE_RULES_CHECK"
+   CODE_COVERAGE_RULES_CLEAN=''
+])
+
+AC_DEFUN([AX_CODE_COVERAGE],[
+	dnl Check for --enable-code-coverage
+
+	# allow to override gcov location
+	AC_ARG_WITH([gcov],
+	  [AS_HELP_STRING([--with-gcov[=GCOV]], [use given GCOV for coverage (GCOV=gcov).])],
+	  [_AX_CODE_COVERAGE_GCOV_PROG_WITH=$with_gcov],
+	  [_AX_CODE_COVERAGE_GCOV_PROG_WITH=gcov])
+
+	AC_MSG_CHECKING([whether to build with code coverage support])
+	AC_ARG_ENABLE([code-coverage],
+	  AS_HELP_STRING([--enable-code-coverage],
+	  [Whether to enable code coverage support]),,
+	  enable_code_coverage=no)
+
+	AM_CONDITIONAL([CODE_COVERAGE_ENABLED], [test "x$enable_code_coverage" = xyes])
+	AC_SUBST([CODE_COVERAGE_ENABLED], [$enable_code_coverage])
+	AC_MSG_RESULT($enable_code_coverage)
+
+	AS_IF([ test "x$enable_code_coverage" = xyes ], [
+		_AX_CODE_COVERAGE_ENABLED
+	      ], [
+		_AX_CODE_COVERAGE_DISABLED
+	])
+
+[CODE_COVERAGE_RULES='
+# Code coverage
+#
+# Optional:
+#  - CODE_COVERAGE_DIRECTORY: Top-level directory for code coverage reporting.
+#    Multiple directories may be specified, separated by whitespace.
+#    (Default: $(top_builddir))
+#  - CODE_COVERAGE_OUTPUT_FILE: Filename and path for the .info file generated
+#    by lcov for code coverage. (Default:
+#    $(PACKAGE_NAME)-$(PACKAGE_VERSION)-coverage.info)
+#  - CODE_COVERAGE_OUTPUT_DIRECTORY: Directory for generated code coverage
+#    reports to be created. (Default:
+#    $(PACKAGE_NAME)-$(PACKAGE_VERSION)-coverage)
+#  - CODE_COVERAGE_BRANCH_COVERAGE: Set to 1 to enforce branch coverage,
+#    set to 0 to disable it and leave empty to stay with the default.
+#    (Default: empty)
+#  - CODE_COVERAGE_LCOV_SHOPTS_DEFAULT: Extra options shared between both lcov
+#    instances. (Default: based on $CODE_COVERAGE_BRANCH_COVERAGE)
+#  - CODE_COVERAGE_LCOV_SHOPTS: Extra options to shared between both lcov
+#    instances. (Default: $CODE_COVERAGE_LCOV_SHOPTS_DEFAULT)
+#  - CODE_COVERAGE_LCOV_OPTIONS_GCOVPATH: --gcov-tool pathtogcov
+#  - CODE_COVERAGE_LCOV_OPTIONS_DEFAULT: Extra options to pass to the
+#    collecting lcov instance. (Default: $CODE_COVERAGE_LCOV_OPTIONS_GCOVPATH)
+#  - CODE_COVERAGE_LCOV_OPTIONS: Extra options to pass to the collecting lcov
+#    instance. (Default: $CODE_COVERAGE_LCOV_OPTIONS_DEFAULT)
+#  - CODE_COVERAGE_LCOV_RMOPTS_DEFAULT: Extra options to pass to the filtering
+#    lcov instance. (Default: empty)
+#  - CODE_COVERAGE_LCOV_RMOPTS: Extra options to pass to the filtering lcov
+#    instance. (Default: $CODE_COVERAGE_LCOV_RMOPTS_DEFAULT)
+#  - CODE_COVERAGE_GENHTML_OPTIONS_DEFAULT: Extra options to pass to the
+#    genhtml instance. (Default: based on $CODE_COVERAGE_BRANCH_COVERAGE)
+#  - CODE_COVERAGE_GENHTML_OPTIONS: Extra options to pass to the genhtml
+#    instance. (Default: $CODE_COVERAGE_GENHTML_OPTIONS_DEFAULT)
+#  - CODE_COVERAGE_IGNORE_PATTERN: Extra glob pattern of files to ignore
+#
+# The generated report will be titled using the $(PACKAGE_NAME) and
+# $(PACKAGE_VERSION). In order to add the current git hash to the title,
+# use the git-version-gen script, available online.
+
+# Optional variables
+CODE_COVERAGE_DIRECTORY ?= $(top_builddir)
+CODE_COVERAGE_OUTPUT_FILE ?= $(PACKAGE_NAME)-$(PACKAGE_VERSION)-coverage.info
+CODE_COVERAGE_OUTPUT_DIRECTORY ?= $(PACKAGE_NAME)-$(PACKAGE_VERSION)-coverage
+CODE_COVERAGE_BRANCH_COVERAGE ?=
+CODE_COVERAGE_LCOV_SHOPTS_DEFAULT ?= $(if $(CODE_COVERAGE_BRANCH_COVERAGE),\
+--rc lcov_branch_coverage=$(CODE_COVERAGE_BRANCH_COVERAGE))
+CODE_COVERAGE_LCOV_SHOPTS ?= $(CODE_COVERAGE_LCOV_SHOPTS_DEFAULT)
+CODE_COVERAGE_LCOV_OPTIONS_GCOVPATH ?= --gcov-tool "$(GCOV)"
+CODE_COVERAGE_LCOV_OPTIONS_DEFAULT ?= $(CODE_COVERAGE_LCOV_OPTIONS_GCOVPATH)
+CODE_COVERAGE_LCOV_OPTIONS ?= $(CODE_COVERAGE_LCOV_OPTIONS_DEFAULT)
+CODE_COVERAGE_LCOV_RMOPTS_DEFAULT ?=
+CODE_COVERAGE_LCOV_RMOPTS ?= $(CODE_COVERAGE_LCOV_RMOPTS_DEFAULT)
+CODE_COVERAGE_GENHTML_OPTIONS_DEFAULT ?=\
+$(if $(CODE_COVERAGE_BRANCH_COVERAGE),\
+--rc genhtml_branch_coverage=$(CODE_COVERAGE_BRANCH_COVERAGE))
+CODE_COVERAGE_GENHTML_OPTIONS ?= $(CODE_COVERAGE_GENHTML_OPTIONS_DEFAULT)
+CODE_COVERAGE_IGNORE_PATTERN ?=
+
+GITIGNOREFILES ?=
+GITIGNOREFILES += $(CODE_COVERAGE_OUTPUT_FILE) $(CODE_COVERAGE_OUTPUT_DIRECTORY)
+
+code_coverage_v_lcov_cap = $(code_coverage_v_lcov_cap_$(V))
+code_coverage_v_lcov_cap_ = $(code_coverage_v_lcov_cap_$(AM_DEFAULT_VERBOSITY))
+code_coverage_v_lcov_cap_0 = @echo "  LCOV   --capture"\
+ $(CODE_COVERAGE_OUTPUT_FILE);
+code_coverage_v_lcov_ign = $(code_coverage_v_lcov_ign_$(V))
+code_coverage_v_lcov_ign_ = $(code_coverage_v_lcov_ign_$(AM_DEFAULT_VERBOSITY))
+code_coverage_v_lcov_ign_0 = @echo "  LCOV   --remove /tmp/*"\
+ $(CODE_COVERAGE_IGNORE_PATTERN);
+code_coverage_v_genhtml = $(code_coverage_v_genhtml_$(V))
+code_coverage_v_genhtml_ = $(code_coverage_v_genhtml_$(AM_DEFAULT_VERBOSITY))
+code_coverage_v_genhtml_0 = @echo "  GEN   " $(CODE_COVERAGE_OUTPUT_DIRECTORY);
+code_coverage_quiet = $(code_coverage_quiet_$(V))
+code_coverage_quiet_ = $(code_coverage_quiet_$(AM_DEFAULT_VERBOSITY))
+code_coverage_quiet_0 = --quiet
+
+# sanitizes the test-name: replaces with underscores: dashes and dots
+code_coverage_sanitize = $(subst -,_,$(subst .,_,$(1)))
+
+# Use recursive makes in order to ignore errors during check
+check-code-coverage:'"$CODE_COVERAGE_RULES_CHECK"'
+
+# Capture code coverage data
+code-coverage-capture: code-coverage-capture-hook'"$CODE_COVERAGE_RULES_CAPTURE"'
+
+# Hook rule executed before code-coverage-capture, overridable by the user
+code-coverage-capture-hook:
+
+'"$CODE_COVERAGE_RULES_CLEAN"'
+
+A''M_DISTCHECK_CONFIGURE_FLAGS ?=
+A''M_DISTCHECK_CONFIGURE_FLAGS += --disable-code-coverage
+
+.PHONY: check-code-coverage code-coverage-capture code-coverage-capture-hook code-coverage-clean
+']
+
+	AC_SUBST([CODE_COVERAGE_RULES])
+	m4_ifdef([_AM_SUBST_NOTMAKE], [_AM_SUBST_NOTMAKE([CODE_COVERAGE_RULES])])
+])