Convert build process to autotools

Replaced the use of a manual Makefile with the use of autotools to
automatically verify and generate the necessary build files. Follow the
steps outlined within the README.md file to build the package.

Change-Id: Iaef09f17006ee51ac45f84c6c59826dcc567e279
Signed-off-by: Matthew Barth <msbarth@us.ibm.com>
diff --git a/configure.ac b/configure.ac
new file mode 100644
index 0000000..ae03a47
--- /dev/null
+++ b/configure.ac
@@ -0,0 +1,56 @@
+# Initialization
+AC_PREREQ([2.69])
+AC_INIT([ipmi-fru-parser], [1.0], [https://github.com/openbmc/ipmi-fru-parser/issues])
+AC_CONFIG_HEADERS([config.h])
+AM_INIT_AUTOMAKE([subdir-objects -Wall -Werror foreign dist-xz])
+AM_SILENT_RULES([yes])
+
+# Checks for programs.
+AC_PROG_CXX
+AC_PROG_CC
+AM_PROG_AR
+AC_PROG_INSTALL
+AC_PROG_MAKE_SET
+AC_PROG_LN_S
+
+# Checks for libraries.
+AC_CHECK_LIB([mapper], [mapper_get_service])
+PKG_CHECK_MODULES([SYSTEMD], [libsystemd >= 221])
+
+# Checks for header files.
+AC_CHECK_HEADER(systemd/sd-bus.h, ,[AC_MSG_ERROR([Could not find systemd/sd-bus.h...systemd development package required])])
+AC_CHECK_HEADER(host-ipmid/ipmid-api.h, ,[AC_MSG_ERROR([Could not find host-ipmid/ipmid-api.h...host-ipmid package required])])
+
+# Checks for typedefs, structures, and compiler characteristics.
+AX_CXX_COMPILE_STDCXX_14([noext])
+AX_APPEND_COMPILE_FLAGS([-flto -fPIC -Wall -Werror], [CXXFLAGS])
+AX_APPEND_COMPILE_FLAGS([-flto -fPIC -Wall -Werror], [CFLAGS])
+
+# Checks for library functions.
+LT_INIT([shared])
+
+# Check/set gtest specific functions.
+AX_PTHREAD([GTEST_CPPFLAGS="-DGTEST_HAS_PTHREAD=1"],[GTEST_CPPFLAGS="-DGTEST_HAS_PTHREAD=0"])
+AC_SUBST(GTEST_CPPFLAGS)
+
+AC_ARG_ENABLE([oe-sdk],
+    AS_HELP_STRING([--enable-oe-sdk], [Link testcases absolutely against OE SDK so they can be ran within it.])
+)
+AC_ARG_VAR(OECORE_TARGET_SYSROOT,
+    [Path to the OE SDK SYSROOT])
+AS_IF([test "x$enable_oe_sdk" == "xyes"],
+    AS_IF([test "x$OECORE_TARGET_SYSROOT" == "x"],
+          AC_MSG_ERROR([OECORE_TARGET_SYSROOT must be set with --enable-oe-sdk])
+    )
+    AC_MSG_NOTICE([Enabling OE-SDK at $OECORE_TARGET_SYSROOT])
+    [
+        testcase_flags="-Wl,-rpath,\${OECORE_TARGET_SYSROOT}/lib"
+        testcase_flags="${testcase_flags} -Wl,-rpath,\${OECORE_TARGET_SYSROOT}/usr/lib"
+        testcase_flags="${testcase_flags} -Wl,-dynamic-linker,`find \${OECORE_TARGET_SYSROOT}/lib/ld-*.so | sort -r -n | head -n1`"
+    ]
+    AC_SUBST([OESDK_TESTCASE_FLAGS], [$testcase_flags])
+)
+
+# Create configured output
+AC_CONFIG_FILES([Makefile])
+AC_OUTPUT