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-rw-r--r--acinclude.m48
1 files changed, 8 insertions, 0 deletions
diff --git a/acinclude.m4 b/acinclude.m4
index eb0b2c497..2aea0f562 100644
--- a/acinclude.m4
+++ b/acinclude.m4
@@ -335,6 +335,8 @@ AC_DEFUN(CURL_CHECK_GETHOSTBYNAME_R,
#include <string.h>
#include <sys/types.h>
#include <netdb.h>
+#undef NULL
+#define NULL (void *)0
int
gethostbyname_r(const char *, struct hostent *, struct hostent_data *);],[
@@ -350,6 +352,8 @@ gethostbyname_r(NULL, NULL, NULL);],[
#include <string.h>
#include <sys/types.h>
#include <netdb.h>
+#undef NULL
+#define NULL (void *)0
int
gethostbyname_r(const char *,struct hostent *, struct hostent_data *);],[
@@ -363,6 +367,8 @@ gethostbyname_r(NULL, NULL, NULL);],[
AC_TRY_COMPILE([
#include <sys/types.h>
#include <netdb.h>
+#undef NULL
+#define NULL (void *)0
struct hostent *
gethostbyname_r(const char *, struct hostent *, char *, int, int *);],[
@@ -375,6 +381,8 @@ gethostbyname_r(NULL, NULL, NULL, 0, NULL);],[
AC_TRY_COMPILE([
#include <sys/types.h>
#include <netdb.h>
+#undef NULL
+#define NULL (void *)0
int
gethostbyname_r(const char *, struct hostent *, char *, size_t,