3 files changed, 7 insertions, 2 deletions
diff --git a/libc/sysdeps/x86/bits/byteswap.h b/libc/sysdeps/x86/bits/byteswap.h
index 0f96ba302..9e2effc1a 100644
--- a/libc/sysdeps/x86/bits/byteswap.h
+++ b/libc/sysdeps/x86/bits/byteswap.h
@@ -134,7 +134,7 @@ __bswap_64 (__uint64_t __bsx)
 	   }                                                                  \
 	 __r.__ll; }))
 # endif
-#elif __GLIBC_HAVE_LONG_LONG
+#else
 # define __bswap_constant_64(x) \
      ((((x) & 0xff00000000000000ull) >> 56)				      \
       | (((x) & 0x00ff000000000000ull) >> 40)				      \
diff --git a/libc/sysdeps/x86/bits/setjmp.h b/libc/sysdeps/x86/bits/setjmp.h
index 8a7e5dcc9..7c666e20d 100644
--- a/libc/sysdeps/x86/bits/setjmp.h
+++ b/libc/sysdeps/x86/bits/setjmp.h
@@ -30,7 +30,7 @@
 # if __WORDSIZE == 64
 typedef long int __jmp_buf[8];
 # elif defined  __x86_64__
-typedef long long int __jmp_buf[8];
+__extension__ typedef long long int __jmp_buf[8];
 # else
 typedef int __jmp_buf[6];
 # endif
diff --git a/libc/sysdeps/x86/fpu/bits/mathinline.h b/libc/sysdeps/x86/fpu/bits/mathinline.h
index 838c13cd8..fed64149f 100644
--- a/libc/sysdeps/x86/fpu/bits/mathinline.h
+++ b/libc/sysdeps/x86/fpu/bits/mathinline.h
@@ -198,6 +198,7 @@ __NTH (lrint (double __x))
 }
 #   endif
 #   ifdef __x86_64__
+__extension__
 __MATH_INLINE long long int
 __NTH (llrintf (float __x))
 {
@@ -209,6 +210,7 @@ __NTH (llrintf (float __x))
   __asm __volatile__ ("cvtss2si %1, %0" : "=r" (__res) : "xm" (__x));
   return __res;
 }
+__extension__
 __MATH_INLINE long long int
 __NTH (llrint (double __x))
 {
@@ -896,16 +898,19 @@ __NTH (lrintl (long double __x))
     ("fistpll %0"							      \
      : "=m" (__llrintres) : "t" (__x) : "st");				      \
   return __llrintres
+__extension__
 __MATH_INLINE long long int
 __NTH (llrintf (float __x))
 {
   __llrint_code;
 }
+__extension__
 __MATH_INLINE long long int
 __NTH (llrint (double __x))
 {
   __llrint_code;
 }
+__extension__
 __MATH_INLINE long long int
 __NTH (llrintl (long double __x))
 {