6 files changed, 20 insertions, 2 deletions
diff --git a/Makefile.in b/Makefile.in
index 20e6126..0483227 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -19,6 +19,7 @@ EXTENSIONS := @JIM_EXTENSIONS@
 # Set an initial, default library and auto_path
 CPPFLAGS += -DTCL_LIBRARY=\"/lib/jim\"
 
+CPPFLAGS += -DTCL_PLATFORM_OS=\"@PLATFORM_OS@\" -DTCL_PLATFORM_PLATFORM=\"@PLATFORM_PLATFORM@\"
 CPPFLAGS += -DJIM_TCL_COMPAT -DJIM_REFERENCES -D_GNU_SOURCE
 
 CPPFLAGS += -Wall $(OPTIM) -I@SRCDIR@ -I. @EXTRA_CFLAGS@
diff --git a/configure b/configure
index 83a6930..72ee17e 100755
--- a/configure
+++ b/configure
@@ -603,6 +603,8 @@ ac_includes_default="\
 
 ac_subst_vars='LTLIBOBJS
 LIBOBJS
+PLATFORM_PLATFORM
+PLATFORM_OS
 SRCDIR
 EXTRA_CFLAGS
 JIM_EXTENSIONS
@@ -3958,6 +3960,10 @@ EXTRA_CFLAGS=$EXTRA_CFLAGS
 
 SRCDIR=`dirname $0`
 
+PLATFORM_OS=`uname -s`
+
+PLATFORM_PLATFORM=unix
+
 
 ac_config_files="$ac_config_files Makefile jimautoconfext.h"
 
diff --git a/configure.ac b/configure.ac
index 5c42568..202aa41 100755
--- a/configure.ac
+++ b/configure.ac
@@ -234,6 +234,8 @@ done
 
 AC_SUBST(EXTRA_CFLAGS,$EXTRA_CFLAGS)
 AC_SUBST(SRCDIR,`dirname $0`)
+AC_SUBST(PLATFORM_OS,`uname -s`)
+AC_SUBST(PLATFORM_PLATFORM,unix)
 
 AC_CONFIG_FILES([Makefile jimautoconfext.h])
 AC_OUTPUT
diff --git a/jim.c b/jim.c
index b338d55..8bd556a 100644
--- a/jim.c
+++ b/jim.c
@@ -4668,6 +4668,9 @@ Jim_Interp *Jim_CreateInterp(void)
     Jim_SetVariableStrWithStr(i, JIM_LIBPATH, ". /lib/jim");
     Jim_SetVariableStrWithStr(i, JIM_INTERACTIVE, "0");
 
+    Jim_SetVariableStrWithStr(i, "tcl_platform(os)", TCL_PLATFORM_OS);
+    Jim_SetVariableStrWithStr(i, "tcl_platform(platform)", TCL_PLATFORM_PLATFORM);
+
     return i;
 }
 
diff --git a/jim.h b/jim.h
index 4cef339..1344cf2 100644
--- a/jim.h
+++ b/jim.h
@@ -192,6 +192,14 @@ extern "C" {
 #define JIM_INTERACTIVE "jim_interactive"
 #endif
 
+#ifndef TCL_PLATFORM_OS
+#define TCL_PLATFORM_OS "unknown"
+#endif
+#ifndef TCL_PLATFORM_PLATFORM
+#define TCL_PLATFORM_PLATFORM "unknown"
+#endif
+
+
 /* -----------------------------------------------------------------------------
  * Stack
  * ---------------------------------------------------------------------------*/
diff --git a/tclcompat.tcl b/tclcompat.tcl
index d6fa23e..aa4907e 100644
--- a/tclcompat.tcl
+++ b/tclcompat.tcl
@@ -261,5 +261,3 @@ proc try {args} {
 proc throw {code {msg ""}} {
 	return -code $code $msg
 }
-
-set tcl_platform(platform) unix