fix swoole#4010

matyhtf · matyhtf · commit 63ff79d3cd6b · 2021-01-26T15:55:58.000+08:00
diff --git a/config.m4 b/config.m4
@@ -149,6 +149,7 @@ AC_DEFUN([AC_SWOOLE_HAVE_UCONTEXT],
 [
     AC_MSG_CHECKING([for ucontext])
     AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
+        #define _XOPEN_SOURCE
         #include <stdio.h>
         #include <ucontext.h>
         #include <unistd.h>
diff --git a/include/swoole_coroutine_context.h b/include/swoole_coroutine_context.h
@@ -24,6 +24,7 @@
 #include <mutex>
 #elif !defined(SW_USE_ASM_CONTEXT)
 #define USE_UCONTEXT 1
+#define _XOPEN_SOURCE
 #include <ucontext.h>
 #else
 #define USE_ASM_CONTEXT 1

Original file line number	Diff line number	Diff line change
`@@ -149,6 +149,7 @@ AC_DEFUN([AC_SWOOLE_HAVE_UCONTEXT],`
`149`	`149`	`[`
`150`	`150`	`AC_MSG_CHECKING([for ucontext])`
`151`	`151`	`AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[`
	`152`	`+ #define _XOPEN_SOURCE`
`152`	`153`	`#include <stdio.h>`
`153`	`154`	`#include <ucontext.h>`
`154`	`155`	`#include <unistd.h>`