diff --git a/libs/js/config.hw b/libs/js/config.hw
new file mode 100644
index 0000000000..a1ac13ada0
--- /dev/null
+++ b/libs/js/config.hw
@@ -0,0 +1,114 @@
+/* config.h.  Generated by configure.  */
+/* config.h.in.  Generated from configure.ac by autoheader.  */
+
+/* Predefined possible va_copy() implementation (id: ASP) */
+#define __VA_COPY_USE_ASP(d, s) do { *(d) = *(s); } while (0)
+
+/* Predefined possible va_copy() implementation (id: ASS) */
+#define __VA_COPY_USE_ASS(d, s) do { (d) = (s); } while (0)
+
+/* Predefined possible va_copy() implementation (id: C99) */
+#define __VA_COPY_USE_C99(d, s) va_copy((d), (s))
+
+/* Predefined possible va_copy() implementation (id: CPP) */
+#define __VA_COPY_USE_CPP(d, s) memcpy((void *)(d), (void *)(s)), sizeof(*(s))
+
+/* Predefined possible va_copy() implementation (id: CPS) */
+#define __VA_COPY_USE_CPS(d, s) memcpy((void *)&(d), (void *)&(s)), sizeof((s))
+
+/* Predefined possible va_copy() implementation (id: GCB) */
+#define __VA_COPY_USE_GCB(d, s) __builtin_va_copy((d), (s))
+
+/* Predefined possible va_copy() implementation (id: GCH) */
+#define __VA_COPY_USE_GCH(d, s) __va_copy((d), (s))
+
+/* Predefined possible va_copy() implementation (id: GCM) */
+#define __VA_COPY_USE_GCM(d, s) VA_COPY((d), (s))
+
+/* Define to 1 if you have the `dlclose' function. */
+/* #undef HAVE_DLCLOSE */
+
+/* Define to 1 if you have the `dlerror' function. */
+/* #undef HAVE_DLERROR */
+
+/* Define to 1 if you have the <dlfcn.h> header file. */
+/* #undef HAVE_DLFCN_H */
+
+/* Define to 1 if you have the `dlopen' function. */
+/* #undef HAVE_DLOPEN */
+
+/* Define to 1 if you have the <inttypes.h> header file. */
+/* #undef HAVE_INTTYPES_H */
+
+/* Define to 1 if you have the `dl' library (-ldl). */
+/* #undef HAVE_LIBDL */
+
+/* Define to 1 if you have the `m' library (-lm). */
+#define HAVE_LIBM 1
+
+/* Define to 1 if you have the `nsl' library (-lnsl). */
+/* #undef HAVE_LIBNSL */
+
+/* Define to 1 if you have the `socket' library (-lsocket). */
+/* #undef HAVE_LIBSOCKET */
+
+/* Define to 1 if you have the <memory.h> header file. */
+/* #undef HAVE_MEMORY_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 `st_birthtime' is member of `struct stat'. */
+/* #undef HAVE_STRUCT_STAT_ST_BIRTHTIME */
+
+/* Define to 1 if `st_birthtimensec' is member of `struct stat'. */
+/* #undef HAVE_STRUCT_STAT_ST_BIRTHTIMENSEC */
+
+/* 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/types.h> header file. */
+/* #undef HAVE_SYS_TYPES_H */
+
+/* Define to 1 if you have the <unistd.h> header file. */
+/* #undef HAVE_UNISTD_H */
+
+/* Define if va_copy() macro exists (and no fallback implementation is
+   required) */
+/* #undef HAVE_VA_COPY */
+
+/* Define to the address where bug reports for this package should be sent. */
+#define PACKAGE_BUGREPORT ""
+
+/* Define to the full name of this package. */
+#define PACKAGE_NAME ""
+
+/* Define to the full name and version of this package. */
+#define PACKAGE_STRING ""
+
+/* Define to the one symbol short name of this package. */
+#define PACKAGE_TARNAME ""
+
+/* Define to the version of this package. */
+#define PACKAGE_VERSION ""
+
+/* Define to 1 if you have the ANSI C header files. */
+/* #undef STDC_HEADERS */
+
+/* Optional va_copy() implementation activation */
+#ifndef HAVE_VA_COPY
+#define va_copy(d, s) __VA_COPY_USE(d, s)
+#endif
+
+
+/* Define to id of used va_copy() implementation */
+#define __VA_COPY_USE __VA_COPY_USE_ASS
diff --git a/libs/js/src/jsautocfg.hw b/libs/js/src/jsautocfg.hw
new file mode 100644
index 0000000000..7dccf19bb9
--- /dev/null
+++ b/libs/js/src/jsautocfg.hw
@@ -0,0 +1,52 @@
+#ifndef js_cpucfg___
+#define js_cpucfg___
+
+/* AUTOMATICALLY GENERATED - DO NOT EDIT */
+
+#define IS_LITTLE_ENDIAN 1
+#undef  IS_BIG_ENDIAN
+
+#define JS_BYTES_PER_BYTE   1L
+#define JS_BYTES_PER_SHORT  2L
+#define JS_BYTES_PER_INT    4L
+#define JS_BYTES_PER_INT64  8L
+#define JS_BYTES_PER_LONG   4L
+#define JS_BYTES_PER_FLOAT  4L
+#define JS_BYTES_PER_DOUBLE 8L
+#define JS_BYTES_PER_WORD   4L
+#define JS_BYTES_PER_DWORD  8L
+
+#define JS_BITS_PER_BYTE    8L
+#define JS_BITS_PER_SHORT   16L
+#define JS_BITS_PER_INT     32L
+#define JS_BITS_PER_INT64   64L
+#define JS_BITS_PER_LONG    32L
+#define JS_BITS_PER_FLOAT   32L
+#define JS_BITS_PER_DOUBLE  64L
+#define JS_BITS_PER_WORD    32L
+
+#define JS_BITS_PER_BYTE_LOG2   3L
+#define JS_BITS_PER_SHORT_LOG2  4L
+#define JS_BITS_PER_INT_LOG2    5L
+#define JS_BITS_PER_INT64_LOG2  6L
+#define JS_BITS_PER_LONG_LOG2   5L
+#define JS_BITS_PER_FLOAT_LOG2  5L
+#define JS_BITS_PER_DOUBLE_LOG2 6L
+#define JS_BITS_PER_WORD_LOG2   5L
+
+#define JS_ALIGN_OF_SHORT   2L
+#define JS_ALIGN_OF_INT     4L
+#define JS_ALIGN_OF_LONG    4L
+#define JS_ALIGN_OF_INT64   4L
+#define JS_ALIGN_OF_FLOAT   4L
+#define JS_ALIGN_OF_DOUBLE  4L
+#define JS_ALIGN_OF_POINTER 4L
+#define JS_ALIGN_OF_WORD    4L
+
+#define JS_BYTES_PER_WORD_LOG2   2L
+#define JS_BYTES_PER_DWORD_LOG2  3L
+#define JS_WORDS_PER_DWORD_LOG2  1L
+
+#define JS_STACK_GROWTH_DIRECTION (-1)
+
+#endif /* js_cpucfg___ */
diff --git a/libs/js/src/prmjtime.c b/libs/js/src/prmjtime.c
index 6e08423af8..30c7836ef2 100644
--- a/libs/js/src/prmjtime.c
+++ b/libs/js/src/prmjtime.c
@@ -101,7 +101,7 @@ PRMJ_LocalGMTDifference()
     ltime.tm_gmtoff = 0;
     return timelocal(&ltime) - (24 * 3600);
 #else
-    return mktime(&ltime) - (24L * 3600L);
+    return (JSInt32)(mktime(&ltime) - (24L * 3600L));
 #endif
 #endif
 }