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configure: fix test code to match gethostbyname_r prototype. (#75) 

This enables the test to work with CC=clang.

Without this the test for 6 args would fail with:

utils.c:99:12: error: static declaration of 'gethostbyname_r' follows non-static declaration
static int gethostbyname_r (const char *name, struct hostent *ret, char *buf,
           ^
/usr/include/netdb.h:177:12: note: previous declaration is here
extern int gethostbyname_r (const char *__restrict __name,
           ^

Fixing the expected return type to int sorts this out.

Signed-off-by: Jaco Kroon <jaco@uls.co.za>
This commit is contained in:
Jaco Kroon 2023-05-15 14:50:36 +02:00 committed by GitHub
parent ae6b56e357
commit 0e6295128c
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 4 additions and 4 deletions
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4
configure vendored
View File

@ -17518,7 +17518,7 @@ $as_echo_n "checking for gethostbyname_r with 6 arguments... " >&6; }
int
main ()
{
struct hostent *he = gethostbyname_r((const char *)NULL, (struct hostent *)NULL, (char *)NULL, (int)0, (struct hostent **)NULL, (int *)NULL);
int r = gethostbyname_r((const char *)NULL, (struct hostent *)NULL, (char *)NULL, (int)0, (struct hostent **)NULL, (int *)NULL);
;
return 0;
}
@ -17546,7 +17546,7 @@ $as_echo_n "checking for gethostbyname_r with 5 arguments... " >&6; }
int
main ()
{
struct hostent *he = gethostbyname_r((const char *)NULL, (struct hostent *)NULL, (char *)NULL, (int)0, (int *)NULL);
int r = gethostbyname_r((const char *)NULL, (struct hostent *)NULL, (char *)NULL, (int)0, (int *)NULL);
;
return 0;
}

4
configure.ac
View File

@ -961,7 +961,7 @@ if test "x$have_gethostbyname_r_public_declaration" = "xyes"; then
AC_LINK_IFELSE(
[AC_LANG_PROGRAM([#include <stdlib.h>
#include <netdb.h>],
[struct hostent *he = gethostbyname_r((const char *)NULL, (struct hostent *)NULL, (char *)NULL, (int)0, (struct hostent **)NULL, (int *)NULL);])],
[int r = gethostbyname_r((const char *)NULL, (struct hostent *)NULL, (char *)NULL, (int)0, (struct hostent **)NULL, (int *)NULL);])],
AC_MSG_RESULT(yes)
AC_DEFINE([HAVE_GETHOSTBYNAME_R_6], 1, [Define to 1 if your system has gethostbyname_r with 6 arguments.]),
AC_MSG_RESULT(no)
@ -971,7 +971,7 @@ if test "x$have_gethostbyname_r_public_declaration" = "xyes"; then
AC_LINK_IFELSE(
[AC_LANG_PROGRAM([#include <stdlib.h>
#include <netdb.h>],
[struct hostent *he = gethostbyname_r((const char *)NULL, (struct hostent *)NULL, (char *)NULL, (int)0, (int *)NULL);])],
[int r = gethostbyname_r((const char *)NULL, (struct hostent *)NULL, (char *)NULL, (int)0, (int *)NULL);])],
AC_MSG_RESULT(yes)
AC_DEFINE([HAVE_GETHOSTBYNAME_R_5], 1, [Define to 1 if your system has gethostbyname_r with 5 arguments.]),
AC_MSG_RESULT(no)