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diff --git a/Demo/Makefile.am b/Demo/Makefile.am
new file mode 100644
--- /dev/null
+++ b/Demo/Makefile.am
@@ -0,0 +1,57 @@
+AM_CPPFLAGS = -I$(top_srcdir)/Include $(AMD_CFLAGS) $(SUITESPARSECONFIG_CFLAGS)
+LDADD = $(top_builddir)/Source/libldl.la
+
+EXTRA_DIST = \
+ ldlamd.out \
+ ldllamd.out \
+ ldlmain.out \
+ ldllmain.out \
+ ldlsimple.out \
+ ldllsimple.out
+
+# Disable the .out implicit pattern rule. Prevents GNU make from
+# adding bogus dependencies for the .out files listed above.
+%.out: %
+
+check_PROGRAMS = \
+ ldlmain \
+ ldllmain \
+ ldlsimple \
+ ldllsimple
+
+if AMD
+check_PROGRAMS += \
+ ldlamd \
+ ldllamd
+
+ldlamd_SOURCES = ldlmain.c
+ldlamd_CPPFLAGS = $(AM_CPPFLAGS) -DUSE_AMD
+ldlamd_LDADD = $(LDADD) $(AMD_LIBS)
+
+ldllamd_SOURCES = ldlmain.c
+ldllamd_CPPFLAGS = $(AM_CPPFLAGS) -DUSE_AMD -DLDL_LONG
+ldllamd_LDADD = $(LDADD) $(AMD_LIBS)
+endif
+
+ldlmain_SOURCES = ldlmain.c
+
+ldllmain_SOURCES = ldlmain.c
+ldllmain_CPPFLAGS = $(AM_CPPFLAGS) -DLDL_LONG
+
+ldlsimple_SOURCES = ldlsimple.c
+
+ldllsimple_SOURCES = ldlsimple.c
+ldllsimple_CPPFLAGS = $(AM_CPPFLAGS) -DLDL_LONG
+
+check-local: $(check_PROGRAMS) $(check_PROGRAMS:=.out)
+ @for i in $(check_PROGRAMS); do \
+ echo "Testing $$i"; \
+ (cd $(srcdir) && $(abs_builddir)/$$i$(EXEEXT)) > my_$$i.out; \
+ if diff -u $(srcdir)/$$i.out my_$$i.out; then \
+ echo "Test $$i PASSED."; \
+ else \
+ echo "Test $$i FAILED."; \
+ fi; \
+ done
+
+CLEANFILES = my_*.out
diff --git a/Doc/Makefile.am b/Doc/Makefile.am
new file mode 100644
--- /dev/null
+++ b/Doc/Makefile.am
@@ -0,0 +1,23 @@
+EXTRA_DIST = ChangeLog lesser.txt
+
+dist_noinst_DATA = ldl_userguide.tex ldl.bib
+dist_pdf_DATA = ldl_userguide.pdf
+
+.INTERMEDIATE: ldl_userguide.bib
+ldl_userguide.bib: ldl.bib
+ $(LN_S) -f $< $@
+
+TEX = TEXINPUTS="$(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
+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 = ldl.h
diff --git a/Makefile.am b/Makefile.am
new file mode 100644
--- /dev/null
+++ b/Makefile.am
@@ -0,0 +1,5 @@
+SUBDIRS = Include Source Matrix Demo Doc
+EXTRA_DIST = README.txt
+
+pkgconfigdir = $(libdir)/pkgconfig
+pkgconfig_DATA = ldl.pc
diff --git a/Matrix/Makefile.am b/Matrix/Makefile.am
new file mode 100644
--- /dev/null
+++ b/Matrix/Makefile.am
@@ -0,0 +1,4 @@
+dist_noinst_DATA = \
+ A01 A02 A03 A04 A05 A06 A07 A08 A09 A10 \
+ A11 A12 A13 A14 A15 A16 A17 A18 A19 A20 \
+ A21 A22 A23 A24 A25 A26 A27 A28 A29 A30
diff --git a/Source/Makefile.am b/Source/Makefile.am
new file mode 100644
--- /dev/null
+++ b/Source/Makefile.am
@@ -0,0 +1,16 @@
+AM_CPPFLAGS = -I$(top_srcdir)/Include $(SUITESPARSECONFIG_CFLAGS)
+
+LDLSRC = \
+ ldl.c
+
+lib_LTLIBRARIES = libldl.la
+noinst_LTLIBRARIES = libldli.la libldll.la
+
+libldli_la_SOURCES = $(LDLSRC)
+
+libldll_la_SOURCES = $(LDLSRC)
+libldll_la_CPPFLAGS = $(AM_CPPFLAGS) -DLDL_LONG
+
+libldl_la_SOURCES =
+libldl_la_LIBADD = libldli.la libldll.la
+libldl_la_LDFLAGS = -no-undefined -version-number 2:1:0
diff --git a/configure.ac b/configure.ac
new file mode 100644
--- /dev/null
+++ b/configure.ac
@@ -0,0 +1,50 @@
+# -*- Autoconf -*-
+# Process this file with autoconf to produce a configure script.
+
+AC_PREREQ([2.69])
+AC_INIT([LDL],[2.1.0],[DrTimothyAldenDavis@gmail.com],[ldl],[http://www.suitesparse.com/])
+AC_CONFIG_SRCDIR([Source/ldl.c])
+AC_CONFIG_HEADERS([config.h])
+AM_INIT_AUTOMAKE([foreign])
+LT_INIT
+
+# Checks for programs.
+AC_PROG_INSTALL
+AC_PROG_CC
+AC_PROG_LN_S
+
+LIBS_SAVED=$LIBS
+
+# Checks for libraries.
+PKG_PROG_PKG_CONFIG
+PKG_CHECK_MODULES([SUITESPARSECONFIG],[suitesparseconfig],
+ [],
+ [AC_MSG_ERROR([cannot find suitesparseconfig])])
+PKG_CHECK_MODULES([AMD],[amd],
+ [amd="yes"],
+ [amd="no"])
+if test "x$amd" != "xyes"; then
+ AC_MSG_WARN([cannot find amd, disabling some functionality])
+fi
+
+# Checks for header files.
+AC_CHECK_HEADERS([stdlib.h])
+
+# Checks for typedefs, structures, and compiler characteristics.
+
+# Checks for library functions.
+AC_FUNC_MALLOC
+
+LIBS=$LIBS_SAVED
+
+AM_CONDITIONAL([AMD], [test "x$amd" = "xyes"])
+
+AC_CONFIG_FILES([
+ ldl.pc
+ Makefile
+ Demo/Makefile
+ Doc/Makefile
+ Include/Makefile
+ Matrix/Makefile
+ Source/Makefile])
+AC_OUTPUT
diff --git a/ldl.pc.in b/ldl.pc.in
new file mode 100644
--- /dev/null
+++ b/ldl.pc.in
@@ -0,0 +1,12 @@
+prefix=@prefix@
+exec_prefix=@exec_prefix@
+libdir=@libdir@
+includedir=@includedir@
+
+Name: @PACKAGE_NAME@
+Description: A simple LDL^T factorization
+Version: @PACKAGE_VERSION@
+URL: @PACKAGE_URL@
+Requires.private: suitesparseconfig
+Libs: -L${libdir} -lldl
+Cflags: -I${includedir}/ldl
|
