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From 4c3a5051aa9706eea42dab31f9e121d975c08521 Mon Sep 17 00:00:00 2001
From: Sam James <sam@gentoo.org>
Date: Thu, 17 Nov 2022 20:20:45 +0000
Subject: [PATCH] Fix configure with clang 16
Bug: https://bugs.gentoo.org/881687
Signed-off-by: Sam James <sam@gentoo.org>
--- a/configure.in
+++ b/configure.in
@@ -454,7 +454,7 @@ AC_CHECK_FUNC(siglongjmp, AC_DEFINE(HAVE_SIGLONGJMP))
# because Unixware 2.0 handles it specially and refuses to compile
# autoconf's automatic test that is a call with no arguments
AC_MSG_CHECKING([for memcpy])
-AC_TRY_LINK(,[
+AC_TRY_LINK([#include <string.h>],[
char *s1, *s2;
memcpy(s1,s2,0);
],
@@ -471,7 +471,7 @@ memcpy(s1,s2,0);
AC_MSG_CHECKING([if WNOHANG requires _POSIX_SOURCE])
AC_TRY_RUN([
#include <sys/wait.h>
-main() {
+int main(void) {
#ifndef WNOHANG
return 0;
#else
@@ -491,7 +491,7 @@ rm -rf wnohang
AC_TRY_RUN([
#include <stdio.h>
#include <sys/wait.h>
-main() {
+int main(void) {
#ifdef WNOHANG
FILE *fp = fopen("wnohang","w");
fprintf(fp,"%d",WNOHANG);
@@ -540,24 +540,23 @@ dnl AC_HEADER_EGREP([(void|sighandler_t).*signal], signal.h, retsigtype=void,AC_
AC_MSG_CHECKING([if signals need to be re-armed])
AC_TRY_RUN([
#include <signal.h>
-#define RETSIGTYPE $retsigtype
-
+#include <stdlib.h>
+#include <sys/wait.h>
+#include <unistd.h>
int signal_rearms = 0;
RETSIGTYPE
-child_sigint_handler(n)
-int n;
+child_sigint_handler(int n)
{
}
RETSIGTYPE
-parent_sigint_handler(n)
-int n;
+parent_sigint_handler(int n)
{
signal_rearms++;
}
-main()
+int main(void)
{
signal(SIGINT,parent_sigint_handler);
@@ -719,7 +718,8 @@ fi
AC_MSG_CHECKING([for struct sgttyb])
AC_TRY_RUN([
#include <sgtty.h>
-main()
+#include <stdlib.h>
+int main(void)
{
struct sgttyb tmp;
exit(0);
@@ -745,7 +745,8 @@ if test $mach -eq 0 ; then
# pty_termios.c is set up to handle pty_termio.
AC_MSG_CHECKING([for struct termio])
AC_TRY_RUN([#include <termio.h>
- main()
+ #include <stdlib.h>
+ int main(void)
{
struct termio tmp;
exit(0);
@@ -769,7 +770,8 @@ if test $mach -eq 0 ; then
# include <inttypes.h>
# endif
# include <termios.h>
- main()
+# include <stdlib.h>
+ int main(void)
{
struct termios tmp;
exit(0);
@@ -793,7 +795,7 @@ AC_TRY_RUN([
#include <inttypes.h>
#endif
#include <termios.h>
-main() {
+int main(void) {
#if defined(TCGETS) || defined(TCGETA)
return 0;
#else
@@ -815,7 +817,7 @@ AC_TRY_RUN([
#include <inttypes.h>
#endif
#include <termios.h>
-main() {
+int main(void) {
#ifdef TIOCGWINSZ
return 0;
#else
@@ -834,7 +836,7 @@ main() {
AC_MSG_CHECKING([for Cray-style ptys])
SETUID=":"
AC_TRY_RUN([
-main(){
+int main(void) {
#ifdef CRAY
return 0;
#else
@@ -887,9 +889,10 @@ AC_FUNC_SETPGRP
#
AC_MSG_CHECKING([for SV-style timezone])
AC_TRY_RUN([
+#include <stdlib.h>
extern char *tzname[2];
extern int daylight;
-main()
+int main(void)
{
int *x = &daylight;
char **y = tzname;
--- a/tclconfig/tcl.m4
+++ b/tclconfig/tcl.m4
@@ -2029,7 +2029,7 @@ AC_DEFUN([TEA_SERIAL_PORT], [
AC_TRY_RUN([
#include <termios.h>
-int main() {
+int main(void) {
struct termios t;
if (tcgetattr(0, &t) == 0) {
cfsetospeed(&t, 0);
@@ -2042,7 +2042,7 @@ int main() {
AC_TRY_RUN([
#include <termio.h>
-int main() {
+int main(void) {
struct termio t;
if (ioctl(0, TCGETA, &t) == 0) {
t.c_cflag |= CBAUD | PARENB | PARODD | CSIZE | CSTOPB;
@@ -2055,7 +2055,7 @@ int main() {
AC_TRY_RUN([
#include <sgtty.h>
-int main() {
+int main(void) {
struct sgttyb t;
if (ioctl(0, TIOCGETP, &t) == 0) {
t.sg_ospeed = 0;
@@ -2070,7 +2070,7 @@ int main() {
#include <termios.h>
#include <errno.h>
-int main() {
+int main(void) {
struct termios t;
if (tcgetattr(0, &t) == 0
|| errno == ENOTTY || errno == ENXIO || errno == EINVAL) {
@@ -2086,7 +2086,7 @@ int main() {
#include <termio.h>
#include <errno.h>
-int main() {
+int main(void) {
struct termio t;
if (ioctl(0, TCGETA, &t) == 0
|| errno == ENOTTY || errno == ENXIO || errno == EINVAL) {
@@ -2101,7 +2101,7 @@ int main() {
#include <sgtty.h>
#include <errno.h>
-int main() {
+int main(void) {
struct sgttyb t;
if (ioctl(0, TIOCGETP, &t) == 0
|| errno == ENOTTY || errno == ENXIO || errno == EINVAL) {
@@ -2392,7 +2392,9 @@ AC_DEFUN([TEA_TIME_HANDLER], [
# (like convex) have timezone functions, etc.
#
AC_CACHE_CHECK([long timezone variable], tcl_cv_timezone_long, [
- AC_TRY_COMPILE([#include <time.h>],
+ AC_TRY_COMPILE([#include <time.h>
+ #include <stdlib.h>
+ ],
[extern long timezone;
timezone += 1;
exit (0);],
@@ -2404,7 +2406,9 @@ AC_DEFUN([TEA_TIME_HANDLER], [
# On some systems (eg IRIX 6.2), timezone is a time_t and not a long.
#
AC_CACHE_CHECK([time_t timezone variable], tcl_cv_timezone_time, [
- AC_TRY_COMPILE([#include <time.h>],
+ AC_TRY_COMPILE([#include <time.h>
+ #include <stdlib.h>
+ ],
[extern time_t timezone;
timezone += 1;
exit (0);],
@@ -2441,7 +2445,7 @@ AC_DEFUN([TEA_BUGGY_STRTOD], [
AC_CACHE_CHECK([for Solaris2.4/Tru64 strtod bugs], tcl_cv_strtod_buggy,[
AC_TRY_RUN([
extern double strtod();
- int main() {
+ int main(void) {
char *infString="Inf", *nanString="NaN", *spaceString=" ";
char *term;
double value;
|
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