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aclocal.m4 contains code that no longer compiles: missing headers and missing
return types.
https://bugs.gentoo.org/875458
https://bugs.gentoo.org/921487
https://bugs.gentoo.org/926491
--- a/autoconf_local/aclocal.m4
+++ b/autoconf_local/aclocal.m4
@@ -464,6 +464,7 @@ CFLAGS="$CFLAGS $ac_cv_ssp_flags"
changequote([, ])dnl
AC_TRY_LINK([
#include <stdio.h>
+#include <string.h>
#ifdef HAVE_STDLIB_H
# include <stdlib.h>
#endif
@@ -1063,6 +1064,7 @@ AC_DEFUN(wi_USE_STATIC_LIBGCC, [
#
AC_TRY_LINK([
#include <stdio.h>
+#include <string.h>
#ifdef HAVE_STDLIB_H
# include <stdlib.h>
#endif
@@ -3057,6 +3059,7 @@ AC_TRY_LINK([
#include <sys/uio.h>
#include <sys/socket.h>
#include <sys/un.h>
+#include <string.h>
],[
struct sockaddr_un uaddr;
@@ -3285,6 +3288,7 @@ AC_TRY_LINK([
#ifdef HAVE_RESOLV_H
# include <resolv.h>
#endif
+#include <string.h>
],[
/* function-body */
int len;
@@ -3363,6 +3367,7 @@ else
#include <stdio.h>
#include <stdlib.h>
+ int
main(int argc, char **argv)
{
/* Note: don't actually call readline,
@@ -4193,7 +4198,7 @@ AC_MSG_CHECKING([types of arguments for select()])
#include <sys/select.h>
#endif
#include <sys/socket.h> /* MG: always incl */
-extern select ($ac_cv_func_select_arg1,$ac_cv_func_select_arg234,$ac_cv_func_select_arg234,$ac_cv_func_select_arg234,$ac_cv_func_select_arg5);],,dnl
+extern int select ($ac_cv_func_select_arg1,$ac_cv_func_select_arg234,$ac_cv_func_select_arg234,$ac_cv_func_select_arg234,$ac_cv_func_select_arg5);],,dnl
[ac_not_found=no ; break 3],ac_not_found=yes)
done
done
@@ -5145,6 +5150,7 @@ do
#ifdef HAVE_STDLIB_H
# include <stdlib.h>
#endif
+#include <string.h>
#ifdef HAVE_NCURSES_H
# define NCURSES_OPAQUE 0
@@ -5176,6 +5182,7 @@ do
#endif
+int
main(int argc, char **argv)
{
/* Note: don't actually call curses, since it may block;
@@ -6510,7 +6517,6 @@ char *malloc();
#endif
#endif /* MG */
-int
int main(void)
{
char *data, *data2, *data3;
@@ -6607,8 +6613,9 @@ else
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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