Use POSIX macros for linux

cde/lib/tt/bin/dbck/options.C

@@ -37,7 +37,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include "util/copyright.h"
-#if defined(linux) || defined(sgi) || defined(CSRG_BASED)
+#if defined(__linux__) || defined(sgi) || defined(CSRG_BASED)
 #include <getopt.h>
 #endif     
 #include "dbck.h"     

cde/lib/tt/bin/shell/mover.C

@@ -35,7 +35,7 @@
 #include "tt_options.h"
 #include <errno.h>
 #include <string.h>
-#if defined(linux) || defined(CSRG_BASED)
+#if defined(__linux__) || defined(CSRG_BASED)
 #include <unistd.h>
 #else
 #if !defined(sun)

cde/lib/tt/bin/shell/remover.C

@@ -35,7 +35,7 @@
 #include "tt_options.h"
 #include <errno.h>
 #include <string.h>
-#if defined(linux) || defined(CSRG_BASED)
+#if defined(__linux__) || defined(CSRG_BASED)
 #include <unistd.h>
 #else
 #if !defined(sun)

cde/lib/tt/bin/tt_type_comp/frozen.mp_types_lex.C

@@ -68,7 +68,7 @@ extern "C" {
 #ifdef __cplusplus
 extern "C" {
 #endif
-#if !defined(linux)
+#if !defined(__linux__)
 	void exit(int);
 #endif
 #ifdef __cplusplus

cde/lib/tt/bin/tt_type_comp/mp_type_comp.C

@@ -39,7 +39,7 @@
 #include <locale.h>
 #include <stdlib.h>
 #include <string.h>
-#if defined(linux)
+#if defined(__linux__)
 #include <unistd.h>
 #endif
 #if defined(sgi) || defined(CSRG_BASED)

cde/lib/tt/bin/ttauth/ttauth.h

@@ -58,7 +58,7 @@ typedef int Bool;
 
 extern char *ProgramName;
 
-#if !defined(linux) && !defined(CSRG_BASED) && !defined(sun)
+#if !defined(__linux__) && !defined(CSRG_BASED) && !defined(sun)
 extern char *malloc(), *realloc();
 #endif
 int process_command(), auth_initialize(), auth_finalize();

cde/lib/tt/bin/ttdbserverd/db_server_svc.C

@@ -217,7 +217,7 @@ main(int argc, char** argv, char **envp)
 #if defined(HPUX)
 	int asize = sizeof(saddr);
 #else
-# if defined(linux) || defined(CSRG_BASED) || defined(sun)
+# if defined(__linux__) || defined(CSRG_BASED) || defined(sun)
 	socklen_t asize = sizeof(saddr);
 # else
 	size_t asize = sizeof(saddr);

cde/lib/tt/bin/tttar/tttar.C

@@ -37,7 +37,7 @@
 #include <stdlib.h>
 #include <sys/param.h>
 #include <sys/stat.h>
-#if defined(linux) || defined(sun) || defined(CSRG_BASED)
+#if defined(__linux__) || defined(sun) || defined(CSRG_BASED)
 #include <unistd.h>
 #else
 #if !defined(sun)

cde/lib/tt/bin/tttar/tttar_api.C

@@ -33,7 +33,7 @@
  */
 
 #include <errno.h>
-#if defined(linux) || defined(CSRG_BASED) || defined(sun)
+#if defined(__linux__) || defined(CSRG_BASED) || defined(sun)
 #include <unistd.h>
 #else
 #include <osfcn.h>

cde/lib/tt/bin/tttar/tttar_file_utils.C

@@ -360,7 +360,7 @@ append_real_subtrees( _Tt_string_list_ptr realtrees, _Tt_string path )
 /*
  * basename() - Return the last component of a pathname.
  */
-#if !defined(linux)
+#if !defined(__linux__)
 char *basename( char *pathname ) {
 	char *the_basename;
 	

cde/lib/tt/bin/tttar/tttar_spec.C

@@ -32,7 +32,7 @@
  *
  */
 
-#if defined(linux) || defined(CSRG_BASED) || defined(sun)
+#if defined(__linux__) || defined(CSRG_BASED) || defined(sun)
 #include <unistd.h>
 #else
 #include <osfcn.h>

cde/lib/tt/bin/tttrace/tttrace.C

@@ -38,7 +38,7 @@
 #include <string.h>
 #include <unistd.h>
 #include <signal.h>
-#if defined(linux)
+#if defined(__linux__)
 # include <sys/poll.h>
 #else
 # include <poll.h>