build-sys: __secure_getenv lost dunder in libc 2.17

[elogind.git] / src / shared / missing.h

diff --git a/src/shared/missing.h b/src/shared/missing.h
index 7fbb9259ebae8151746058c8444f88a66f32480c..c5bb71a504c5a04962c39923c399d781a1085bad 100644 (file)
--- a/src/shared/missing.h
+++ b/src/shared/missing.h
@@ -26,6 +26,7 @@
 #include <sys/resource.h>
 #include <sys/syscall.h>
 #include <fcntl.h>
+#include <stdlib.h>
 #include <unistd.h>
 #include <linux/oom.h>
 
@@ -218,7 +219,6 @@ static inline pid_t gettid(void) {
 #endif
 
 #ifndef HAVE_NAME_TO_HANDLE_AT
-
 struct file_handle {
         unsigned int handle_bytes;
         int handle_type;
@@ -229,3 +229,11 @@ static inline int name_to_handle_at(int fd, const char *name, struct file_handle
         return syscall(__NR_name_to_handle_at, fd, name, handle, mnt_id, flags);
 }
 #endif
+
+#ifndef HAVE_SECURE_GETENV
+#  ifdef HAVE___SECURE_GETENV
+#    define secure_getenv __secure_getenv
+#  else
+#    error neither secure_getenv nor __secure_getenv are available
+#  endif
+#endif