diff --git a/lib/hcl-cfg.h.in b/lib/hcl-cfg.h.in
new file mode 100644
index 0000000..e160236
--- /dev/null
+++ b/lib/hcl-cfg.h.in
@@ -0,0 +1,407 @@
+/* lib/hcl-cfg.h.in.  Generated from configure.ac by autoheader.  */
+
+/* Define if building universal (internal helper macro) */
+#undef AC_APPLE_UNIVERSAL_BUILD
+
+/* Define to 1 if you have the `acosq' function. */
+#undef HAVE_ACOSQ
+
+/* Define to 1 if you have the `asinq' function. */
+#undef HAVE_ASINQ
+
+/* Define to 1 if you have the `atan2q' function. */
+#undef HAVE_ATAN2Q
+
+/* Define to 1 if you have the `atanq' function. */
+#undef HAVE_ATANQ
+
+/* Define to 1 if you have the `backtrace' function. */
+#undef HAVE_BACKTRACE
+
+/* Define to 1 if you have the `backtrace_symbols' function. */
+#undef HAVE_BACKTRACE_SYMBOLS
+
+/* Define to 1 if you have the `ceilq' function. */
+#undef HAVE_CEILQ
+
+/* Define to 1 if you have the `clock_gettime' function. */
+#undef HAVE_CLOCK_GETTIME
+
+/* Define to 1 if you have the `clock_settime' function. */
+#undef HAVE_CLOCK_SETTIME
+
+/* Define to 1 if you have the `coshq' function. */
+#undef HAVE_COSHQ
+
+/* Define to 1 if you have the `cosq' function. */
+#undef HAVE_COSQ
+
+/* Define if c++ supports namespace std. */
+#undef HAVE_CXX_NAMESPACE_STD
+
+/* Define to 1 if you have the <dirent.h> header file. */
+#undef HAVE_DIRENT_H
+
+/* Define to 1 if you have the <dlfcn.h> header file. */
+#undef HAVE_DLFCN_H
+
+/* Define to 1 if you have the <errno.h> header file. */
+#undef HAVE_ERRNO_H
+
+/* Define to 1 if you have the <execinfo.h> header file. */
+#undef HAVE_EXECINFO_H
+
+/* Define to 1 if you have the `expq' function. */
+#undef HAVE_EXPQ
+
+/* Define to 1 if you have the <fcntl.h> header file. */
+#undef HAVE_FCNTL_H
+
+/* Define to 1 if you have the `floorq' function. */
+#undef HAVE_FLOORQ
+
+/* Define to 1 if you have the `fmodq' function. */
+#undef HAVE_FMODQ
+
+/* Define to 1 if you have the `getcontext' function. */
+#undef HAVE_GETCONTEXT
+
+/* Define to 1 if you have the `gettimeofday' function. */
+#undef HAVE_GETTIMEOFDAY
+
+/* Define to 1 if you have the <inttypes.h> header file. */
+#undef HAVE_INTTYPES_H
+
+/* Define to 1 if you have the `log10q' function. */
+#undef HAVE_LOG10Q
+
+/* Define to 1 if you have the `logq' function. */
+#undef HAVE_LOGQ
+
+/* Define to 1 if you have the `makecontext' function. */
+#undef HAVE_MAKECONTEXT
+
+/* Define to 1 if you have the <memory.h> header file. */
+#undef HAVE_MEMORY_H
+
+/* Define to 1 if you have the `powq' function. */
+#undef HAVE_POWQ
+
+/* Define to 1 if you have the `quadmath_snprintf' function. */
+#undef HAVE_QUADMATH_SNPRINTF
+
+/* Define to 1 if you have the `roundq' function. */
+#undef HAVE_ROUNDQ
+
+/* Define to 1 if you have the `setcontext' function. */
+#undef HAVE_SETCONTEXT
+
+/* Define to 1 if you have the `settimeofday' function. */
+#undef HAVE_SETTIMEOFDAY
+
+/* Define to 1 if you have the <signal.h> header file. */
+#undef HAVE_SIGNAL_H
+
+/* Define to 1 if you have the `sinhq' function. */
+#undef HAVE_SINHQ
+
+/* Define to 1 if you have the `sinq' function. */
+#undef HAVE_SINQ
+
+/* Define to 1 if you have the `snprintf' function. */
+#undef HAVE_SNPRINTF
+
+/* Define to 1 if you have the <spawn.h> header file. */
+#undef HAVE_SPAWN_H
+
+/* Define to 1 if you have the `sqrtq' function. */
+#undef HAVE_SQRTQ
+
+/* Define to 1 if you have the <stddef.h> header file. */
+#undef HAVE_STDDEF_H
+
+/* Define to 1 if you have the <stdint.h> header file. */
+#undef HAVE_STDINT_H
+
+/* Define to 1 if you have the <stdlib.h> header file. */
+#undef HAVE_STDLIB_H
+
+/* Define to 1 if you have the <strings.h> header file. */
+#undef HAVE_STRINGS_H
+
+/* Define to 1 if you have the <string.h> header file. */
+#undef HAVE_STRING_H
+
+/* Define to 1 if you have the `strtoflt128' function. */
+#undef HAVE_STRTOFLT128
+
+/* Define to 1 if you have the `swapcontext' function. */
+#undef HAVE_SWAPCONTEXT
+
+/* Define to 1 if you have the <sys/stat.h> header file. */
+#undef HAVE_SYS_STAT_H
+
+/* Define to 1 if you have the <sys/time.h> header file. */
+#undef HAVE_SYS_TIME_H
+
+/* Define to 1 if you have the <sys/types.h> header file. */
+#undef HAVE_SYS_TYPES_H
+
+/* Define to 1 if you have the `tanhq' function. */
+#undef HAVE_TANHQ
+
+/* Define to 1 if you have the `tanq' function. */
+#undef HAVE_TANQ
+
+/* Define to 1 if you have the <time.h> header file. */
+#undef HAVE_TIME_H
+
+/* Define to 1 if you have the <ucontext.h> header file. */
+#undef HAVE_UCONTEXT_H
+
+/* Define to 1 if you have the <unistd.h> header file. */
+#undef HAVE_UNISTD_H
+
+/* Define to 1 if you have the <utime.h> header file. */
+#undef HAVE_UTIME_H
+
+/* va_copy is available */
+#undef HAVE_VA_COPY
+
+/* Define to 1 if you have the <wchar.h> header file. */
+#undef HAVE_WCHAR_H
+
+/* Define to 1 if you have the <wctype.h> header file. */
+#undef HAVE_WCTYPE_H
+
+/* Define to 1 if you have the `_vsnprintf' function. */
+#undef HAVE__VSNPRINTF
+
+/* Define to 1 if you have the `_vsnwprintf' function. */
+#undef HAVE__VSNWPRINTF
+
+/* __builtin_memcmp */
+#undef HAVE___BUILTIN_MEMCMP
+
+/* __builtin_memcpy */
+#undef HAVE___BUILTIN_MEMCPY
+
+/* __builtin_memmove */
+#undef HAVE___BUILTIN_MEMMOVE
+
+/* __builtin_memset */
+#undef HAVE___BUILTIN_MEMSET
+
+/* __va_copy is available */
+#undef HAVE___VA_COPY
+
+/* Big Endian */
+#undef HCL_ENDIAN_BIG
+
+/* Little Endian */
+#undef HCL_ENDIAN_LITTLE
+
+/* Unknown Endian */
+#undef HCL_ENDIAN_UNKNOWN
+
+/* MB_LEN_MAX */
+#undef HCL_MBLEN_MAX
+
+/* Author */
+#undef HCL_PACKAGE_AUTHOR
+
+/* package name */
+#undef HCL_PACKAGE_NAME
+
+/* Project URL */
+#undef HCL_PACKAGE_URL
+
+/* Package version */
+#undef HCL_PACKAGE_VERSION
+
+/* Major version number */
+#undef HCL_PACKAGE_VERSION_MAJOR
+
+/* Minor version number */
+#undef HCL_PACKAGE_VERSION_MINOR
+
+/* Patch level */
+#undef HCL_PACKAGE_VERSION_PATCH
+
+/* sizeof(char) */
+#undef HCL_SIZEOF_CHAR
+
+/* sizeof(double) */
+#undef HCL_SIZEOF_DOUBLE
+
+/* sizeof(float) */
+#undef HCL_SIZEOF_FLOAT
+
+/* sizeof(int) */
+#undef HCL_SIZEOF_INT
+
+/* sizeof(long) */
+#undef HCL_SIZEOF_LONG
+
+/* sizeof(long double) */
+#undef HCL_SIZEOF_LONG_DOUBLE
+
+/* sizeof(long long) */
+#undef HCL_SIZEOF_LONG_LONG
+
+/* sizeof(mbstate_t) */
+#undef HCL_SIZEOF_MBSTATE_T
+
+/* sizeof(off64_t) */
+#undef HCL_SIZEOF_OFF64_T
+
+/* sizeof(off_t) */
+#undef HCL_SIZEOF_OFF_T
+
+/* sizeof(short) */
+#undef HCL_SIZEOF_SHORT
+
+/* sizeof(void*) */
+#undef HCL_SIZEOF_VOID_P
+
+/* sizeof(wchar_t) */
+#undef HCL_SIZEOF_WCHAR_T
+
+/* sizeof(__float128) */
+#undef HCL_SIZEOF___FLOAT128
+
+/* sizeof(__int128) */
+#undef HCL_SIZEOF___INT128
+
+/* sizeof(__int128_t) */
+#undef HCL_SIZEOF___INT128_T
+
+/* sizeof(__int16) */
+#undef HCL_SIZEOF___INT16
+
+/* sizeof(__int32) */
+#undef HCL_SIZEOF___INT32
+
+/* sizeof(__int64) */
+#undef HCL_SIZEOF___INT64
+
+/* sizeof(__int8) */
+#undef HCL_SIZEOF___INT8
+
+/* Define to the sub-directory in which libtool stores uninstalled libraries.
+   */
+#undef LT_OBJDIR
+
+/* The size of `MB_LEN_MAX', as computed by valueof. */
+#undef NUMVALOF_MB_LEN_MAX
+
+/* Name of package */
+#undef PACKAGE
+
+/* Define to the address where bug reports for this package should be sent. */
+#undef PACKAGE_BUGREPORT
+
+/* Define to the full name of this package. */
+#undef PACKAGE_NAME
+
+/* Define to the full name and version of this package. */
+#undef PACKAGE_STRING
+
+/* Define to the one symbol short name of this package. */
+#undef PACKAGE_TARNAME
+
+/* Define to the home page for this package. */
+#undef PACKAGE_URL
+
+/* Define to the version of this package. */
+#undef PACKAGE_VERSION
+
+/* The size of `char', as computed by sizeof. */
+#undef SIZEOF_CHAR
+
+/* The size of `double', as computed by sizeof. */
+#undef SIZEOF_DOUBLE
+
+/* The size of `float', as computed by sizeof. */
+#undef SIZEOF_FLOAT
+
+/* The size of `int', as computed by sizeof. */
+#undef SIZEOF_INT
+
+/* The size of `long', as computed by sizeof. */
+#undef SIZEOF_LONG
+
+/* The size of `long double', as computed by sizeof. */
+#undef SIZEOF_LONG_DOUBLE
+
+/* The size of `long long', as computed by sizeof. */
+#undef SIZEOF_LONG_LONG
+
+/* The size of `mbstate_t', as computed by sizeof. */
+#undef SIZEOF_MBSTATE_T
+
+/* The size of `off64_t', as computed by sizeof. */
+#undef SIZEOF_OFF64_T
+
+/* The size of `off_t', as computed by sizeof. */
+#undef SIZEOF_OFF_T
+
+/* The size of `short', as computed by sizeof. */
+#undef SIZEOF_SHORT
+
+/* The size of `void *', as computed by sizeof. */
+#undef SIZEOF_VOID_P
+
+/* The size of `wchar_t', as computed by sizeof. */
+#undef SIZEOF_WCHAR_T
+
+/* The size of `__float128', as computed by sizeof. */
+#undef SIZEOF___FLOAT128
+
+/* The size of `__int128', as computed by sizeof. */
+#undef SIZEOF___INT128
+
+/* The size of `__int128_t', as computed by sizeof. */
+#undef SIZEOF___INT128_T
+
+/* The size of `__int16', as computed by sizeof. */
+#undef SIZEOF___INT16
+
+/* The size of `__int16_t', as computed by sizeof. */
+#undef SIZEOF___INT16_T
+
+/* The size of `__int32', as computed by sizeof. */
+#undef SIZEOF___INT32
+
+/* The size of `__int32_t', as computed by sizeof. */
+#undef SIZEOF___INT32_T
+
+/* The size of `__int64', as computed by sizeof. */
+#undef SIZEOF___INT64
+
+/* The size of `__int64_t', as computed by sizeof. */
+#undef SIZEOF___INT64_T
+
+/* The size of `__int8', as computed by sizeof. */
+#undef SIZEOF___INT8
+
+/* The size of `__int8_t', as computed by sizeof. */
+#undef SIZEOF___INT8_T
+
+/* Define to 1 if you have the ANSI C header files. */
+#undef STDC_HEADERS
+
+/* Version number of package */
+#undef VERSION
+
+/* Define WORDS_BIGENDIAN to 1 if your processor stores words with the most
+   significant byte first (like Motorola and SPARC, unlike Intel). */
+#if defined AC_APPLE_UNIVERSAL_BUILD
+# if defined __BIG_ENDIAN__
+#  define WORDS_BIGENDIAN 1
+# endif
+#else
+# ifndef WORDS_BIGENDIAN
+#  undef WORDS_BIGENDIAN
+# endif
+#endif