diff -ur ddd-3.3.11.orig/configure.ac ddd-3.3.11/configure.ac
--- ddd-3.3.11.orig/configure.ac	2005-03-04 12:25:01.000000000 +0200
+++ ddd-3.3.11/configure.ac	2006-06-12 14:29:29.000000000 +0300
@@ -859,6 +859,8 @@
 AH_TEMPLATE([HAVE_PTRACE_DECL],[Define if ptrace is declared in unistd.h sys/ptrace.h.])
 ICE_CHECK_DECL(ptsname, stdlib.h)
 AH_TEMPLATE([HAVE_PTSNAME_DECL],[Define if ptsname is declared in stdlib.h.])
+ICE_CHECK_DECL(putenv, stdlib.h)
+AH_TEMPLATE([HAVE_PUTENV_DECL],[Define if putenv is declared in stdlib.h.])
 ICE_CHECK_DECL(raise, signal.h)
 AH_TEMPLATE([HAVE_RAISE_DECL],[Define if raise is declared in signal.h.])
 ICE_CHECK_DECL(rand, stdlib.h)
diff -ur ddd-3.3.11.orig/ddd/environ.C ddd-3.3.11/ddd/environ.C
--- ddd-3.3.11.orig/ddd/environ.C	2004-06-07 14:52:55.000000000 +0300
+++ ddd-3.3.11/ddd/environ.C	2006-06-12 14:25:09.000000000 +0300
@@ -37,6 +37,10 @@
 #include <stdlib.h>		// getenv, putenv
 #include <string.h>
 
+#if !HAVE_PUTENV_DECL
+extern "C" int putenv(char *string);
+#endif
+
 static StringArray environment_names;
 
 // Put NAME=VALUE into the environment
diff -ur ddd-3.3.11.orig/ddd/options.C ddd-3.3.11/ddd/options.C
--- ddd-3.3.11.orig/ddd/options.C	2004-06-07 14:52:55.000000000 +0300
+++ ddd-3.3.11/ddd/options.C	2006-06-12 14:25:16.000000000 +0300
@@ -1439,7 +1439,7 @@
 
 #if HAVE_SYMLINK
 	    // Try a symlink link from target to current core file
-	    if (symlink(info.core.chars(), target.chars()) == 0)
+	    if (symlink((char *)info.core.chars(), (char *)target.chars()) == 0)
 		return true;
 #endif
 
diff -ur ddd-3.3.11.orig/ddd/session.C ddd-3.3.11/ddd/session.C
--- ddd-3.3.11.orig/ddd/session.C	2004-06-07 14:52:55.000000000 +0300
+++ ddd-3.3.11/ddd/session.C	2006-06-12 14:23:02.000000000 +0300
@@ -116,6 +116,9 @@
 #define S_IRWXO 07
 #endif
 
+#if !HAVE_PUTENV_DECL
+extern "C" int putenv(char *string);
+#endif
 
 // ---------------------------------------------------------------------------
 // How to present a default session to the user
diff -ur ddd-3.3.11.orig/ddd/xconfig.C ddd-3.3.11/ddd/xconfig.C
--- ddd-3.3.11.orig/ddd/xconfig.C	2004-06-07 14:52:56.000000000 +0300
+++ ddd-3.3.11/ddd/xconfig.C	2006-06-12 14:21:59.000000000 +0300
@@ -58,7 +58,9 @@
 #if !HAVE_PCLOSE_DECL
 extern "C" int pclose(FILE *stream);
 #endif
-
+#if !HAVE_PUTENV_DECL
+extern "C" int putenv(char *string);
+#endif
 
 //-----------------------------------------------------------------------------
 // Determine X project root