Fix building on a 64-bit system without a 32-bit system installedsyslinux-3.52-pre10syslinux-3.52

A bunch of glibc header files were bogusly included.  We should not
depend on having a 32-bit glibc installed, since we don't use it.

1 files changed, 3 insertions, 24 deletions

diff --git a/com32/include/setjmp.h b/com32/include/setjmp.h
index b504eb6d..11b18fbd 100644
--- a/com32/include/setjmp.h
+++ b/com32/include/setjmp.h
@@ -8,36 +8,15 @@
 #include <klibc/extern.h>
 #include <klibc/compiler.h>
 #include <stddef.h>
-#include <signal.h>
 
 #include <klibc/archsetjmp.h>
 
 __extern int setjmp(jmp_buf);
 __extern __noreturn longjmp(jmp_buf, int);
 
-/*
-  Whose bright idea was it to add unrelated functionality to just about
-  the only function in the standard C library (setjmp) which cannot be
-  wrapped by an ordinary function wrapper?  Anyway, the damage is done,
-  and therefore, this wrapper *must* be inline.  However, gcc will
-  complain if this is an inline function for unknown reason, and
-  therefore sigsetjmp() needs to be a macro.
-*/
-
-struct __sigjmp_buf {
-  jmp_buf __jmpbuf;
-  sigset_t __sigs;
-};
-
-typedef struct __sigjmp_buf sigjmp_buf[1];
-
-#define sigsetjmp(__env, __save) \
-({ \
-  struct __sigjmp_buf *__e = (__env); \
-  sigprocmask(0, NULL, &__e->__sigs); \
-  setjmp(__e->__jmpbuf); \
-})
+typedef jmp_buf sigjmp_buf;
 
-__extern __noreturn siglongjmp(sigjmp_buf, int);
+#define sigsetjmp(__env, __save) setjmp(__env)
+#define siglongjmp(__env, __val) longjmp(__env, __val)
 
 #endif /* _SETJMP_H */