diff --git a/extern/poshlib/posh.h b/extern/poshlib/posh.h
index 716607d..6cfb6c8 100644
--- a/extern/poshlib/posh.h
+++ b/extern/poshlib/posh.h
@@ -87,6 +87,7 @@ GNU GCC/G++:
    - m68000: 68K
    - m68k: 68K
    - __palmos__: PalmOS
+   - __e2k__: on MCST Elbrus 2000 processor platforms
 
 Intel C/C++ Compiler:
    - __ECC      : compiler version, IA64 only
@@ -206,6 +207,11 @@ Metrowerks:
 LLVM:
    - __llvm__
    - __clang__
+
+LCC predefines the following:
+   - __LCC__:
+   if also defined e2k it is MCST eLbrus C Compiler
+   else                it is Local (or Little) C Compiler
 */
 
 /*
@@ -549,6 +555,11 @@ LLVM:
 #  define POSH_CPU_STRING "PA-RISC"
 #endif
 
+#if defined __e2k__
+#  define POSH_CPU_E2K 1
+#  define POSH_CPU_STRING "MCST Elbrus 2000"
+#endif
+
 #if !defined POSH_CPU_STRING
 #  error POSH cannot determine target CPU
 #  define POSH_CPU_STRING "Unknown" /* this is here for Doxygen's benefit */
@@ -686,7 +697,7 @@ LLVM:
 ** the MIPS series, so we have to be careful about those.
 ** ----------------------------------------------------------------------------
 */
-#if defined POSH_CPU_X86 || defined POSH_CPU_AXP || defined POSH_CPU_STRONGARM || defined POSH_CPU_AARCH64 || defined POSH_OS_WIN32 || defined POSH_OS_WINCE || defined __MIPSEL__ || defined __ORDER_LITTLE_ENDIAN__
+#if defined POSH_CPU_X86 || defined POSH_CPU_AXP || defined POSH_CPU_STRONGARM || defined POSH_CPU_AARCH64 || defined POSH_OS_WIN32 || defined POSH_OS_WINCE || defined __MIPSEL__ || defined __ORDER_LITTLE_ENDIAN__ || defined POSH_CPU_E2K
 #  define POSH_ENDIAN_STRING "little"
 #  define POSH_LITTLE_ENDIAN 1
 #else
@@ -714,7 +725,7 @@ LLVM:
 ** for 64-bit support, we ignore the POSH_USE_LIMITS_H directive.
 ** ----------------------------------------------------------------------------
 */
-#if defined ( __LP64__ ) || defined ( __powerpc64__ ) || defined POSH_CPU_SPARC64
+#if defined ( __LP64__ ) || defined ( __powerpc64__ ) || defined POSH_CPU_SPARC64 || defined POSH_CPU_E2K
 #  define POSH_64BIT_INTEGER 1
 typedef long posh_i64_t; 
 typedef unsigned long posh_u64_t;
@@ -883,7 +894,7 @@ POSH_COMPILE_TIME_ASSERT(posh_i32_t, sizeof(posh_i32_t) == 4);
 #  define POSH_64BIT_POINTER 1
 #endif
 
-#if defined POSH_CPU_SPARC64 || defined POSH_OS_WIN64 || defined __64BIT__ || defined __LP64 || defined _LP64 || defined __LP64__ || defined _ADDR64 || defined _CRAYC
+#if defined POSH_CPU_SPARC64 || defined POSH_OS_WIN64 || defined __64BIT__ || defined __LP64 || defined _LP64 || defined __LP64__ || defined _ADDR64 || defined _CRAYC || defined POSH_CPU_E2K
 #   define POSH_64BIT_POINTER 1
 #endif