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Fix compilation with clang-16
aclocal.m4 contains code that no longer compiles: missing headers and missing
return types.
--- a/autoconf_local/aclocal.m4
+++ b/autoconf_local/aclocal.m4
@@ -3057,6 +3057,7 @@
#include <sys/uio.h>
#include <sys/socket.h>
#include <sys/un.h>
+#include <string.h>
],[
struct sockaddr_un uaddr;
@@ -3285,6 +3286,7 @@
#ifdef HAVE_RESOLV_H
# include <resolv.h>
#endif
+#include <string.h>
],[
/* function-body */
int len;
@@ -3363,6 +3365,7 @@
#include <stdio.h>
#include <stdlib.h>
+ int
main(int argc, char **argv)
{
/* Note: don't actually call readline,
@@ -5145,6 +5148,7 @@
#ifdef HAVE_STDLIB_H
# include <stdlib.h>
#endif
+#include <string.h>
#ifdef HAVE_NCURSES_H
# define NCURSES_OPAQUE 0
@@ -5176,6 +5180,7 @@
#endif
+int
main(int argc, char **argv)
{
/* Note: don't actually call curses, since it may block;
@@ -6510,7 +6515,6 @@
#endif
#endif /* MG */
-int
int main(void)
{
char *data, *data2, *data3;
@@ -6607,8 +6611,9 @@
AC_CACHE_CHECK(whether setvbuf arguments are reversed,
ac_cv_func_setvbuf_reversed,
[AC_TRY_RUN([#include <stdio.h>
+ $include <stdlib.h>
/* If setvbuf has the reversed format, exit 0. */
- main () {
+ int main (void) {
/* This call has the arguments reversed.
A reversed system may check and see that the address of main
is not _IOLBF, _IONBF, or _IOFBF, and return nonzero. */
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