runtime: cast SIGSTKSZ to uintptr

	PR go/99458
	* libgo/runtime/proc.c: cast SIGSTKSZ to uintptr
	In newer versions of glibc it is long, which causes a signed
	comparison warning.

diff --git a/libgo/runtime/proc.c b/libgo/runtime/proc.c
index 274ce01c0bf1d5b99c0c4641ba2354dcf41dbf22..6f7d2e27996f122ef98795f1668bebc4fec09885 100644 (file)
--- a/libgo/runtime/proc.c
+++ b/libgo/runtime/proc.c
@@ -799,8 +799,8 @@ runtime_malg(bool allocatestack, bool signalstack, byte** ret_stack, uintptr* re
                if(signalstack) {
                        stacksize = 32 * 1024; // OS X wants >= 8K, GNU/Linux >= 2K
 #ifdef SIGSTKSZ
-                       if(stacksize < SIGSTKSZ)
-                               stacksize = SIGSTKSZ;
+                       if(stacksize < (uintptr)(SIGSTKSZ))
+                               stacksize = (uintptr)(SIGSTKSZ);
 #endif
                }