all: remove Linux 2.4 vs 2.6 detection

Linux 2.4 is dead. (The libthread code hasn't worked for Linux 2.4 for a long time.)
2020-01-19 21:10:11 -05:00
parent 8d82ccefd2
commit cb8f735786
9 changed files with 28 additions and 130 deletions
--- a/include/u.h
+++ b/include/u.h
@@ -66,10 +66,8 @@ typedef long p9jmp_buf[sizeof(sigjmp_buf)/sizeof(long)];

 #if defined(__linux__)
 #	include <sys/types.h>
-#	if defined(__Linux26__)
-#		include <pthread.h>
-#		define PLAN9PORT_USING_PTHREADS 1
-#	endif
+#	include <pthread.h>
+#	define PLAN9PORT_USING_PTHREADS 1
 #	if defined(__USE_MISC)
 #		undef _NEEDUSHORT
 #		undef _NEEDUINT