gentoo auto-resync : 19:09:2022 - 23:22:40

5 files changed, 910 insertions, 0 deletions

diff --git a/sys-devel/autoconf/files/autoconf-2.13-K-R-decls-clang.patch b/sys-devel/autoconf/files/autoconf-2.13-K-R-decls-clang.patch
new file mode 100644
index 000000000000..874712cea102
--- /dev/null
+++ b/sys-devel/autoconf/files/autoconf-2.13-K-R-decls-clang.patch
@@ -0,0 +1,346 @@
+https://bugs.gentoo.org/870412
+https://git.savannah.gnu.org/cgit/autoconf.git/commit/?id=8b5e2016c7ed2d67f31b03a3d2e361858ff5299b
+
+Backport the K&R decls fix to 2.69 to avoid configure tests
+failing (often "silently", i.e. doesn't fail the build of
+the package overall, just leads to wrong results) with
+newer compilers like the upcoming Clang 16.
+
+From d8ad1096be4352c588b9bc1e16b6758f4f32b96a Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Arsen=20Arsenovi=C4=87?= <arsen@aarsen.me>
+Date: Mon, 19 Sep 2022 01:38:29 +0200
+Subject: [PATCH] ac{general,specific}: declare void param lists, where apt
+
+--- a/acgeneral.m4
++++ b/acgeneral.m4
+@@ -1542,7 +1542,7 @@ extern "C"
+ ])dnl
+ [/* We use char because int might match the return type of a gcc2
+     builtin and then its argument prototype would still apply.  */
+-char $1();
++char $1(void);
+ ]),
+ [$1()],
+ [$2],
+@@ -1597,7 +1597,7 @@ extern "C"
+ ])dnl
+ [/* We use char because int might match the return type of a gcc2
+     builtin and then its argument prototype would still apply.  */
+-char $2();
++char $2(void);
+ ])),
+ 	    [$2()],
+ 	    eval "ac_cv_lib_$ac_lib_var=yes",
+@@ -1733,7 +1733,7 @@ dnl [#]line __oline__ "[$]0"
+ [#]line __oline__ "configure"
+ #include "confdefs.h"
+ [$1]
+-int main() {
++int main(void) {
+ [$2]
+ ; return 0; }
+ ])EOF
+@@ -1777,7 +1777,7 @@ dnl [#]line __oline__ "[$]0"
+ [#]line __oline__ "configure"
+ #include "confdefs.h"
+ [$1]
+-int main() {
++int main(void) {
+ [$2]
+ ; return 0; }
+ ])EOF
+@@ -1934,7 +1934,7 @@ extern "C"
+ ])dnl
+ [/* We use char because int might match the return type of a gcc2
+     builtin and then its argument prototype would still apply.  */
+-char $1();
++char $1(void);
+ ], [
+ /* The GNU C library defines this for functions which it implements
+     to always fail with ENOSYS.  Some functions are actually named
+@@ -1988,7 +1988,7 @@ changequote([, ])dnl
+ AC_MSG_CHECKING(size of $1)
+ AC_CACHE_VAL(AC_CV_NAME,
+ [AC_TRY_RUN([#include <stdio.h>
+-main()
++main(void)
+ {
+   FILE *f=fopen("conftestval", "w");
+   if (!f) exit(1);
+--- a/acspecific.m4
++++ b/acspecific.m4
+@@ -202,7 +202,7 @@ AC_DEFUN(AC_PROG_CC_WORKS,
+ [AC_MSG_CHECKING([whether the C compiler ($CC $CFLAGS $LDFLAGS) works])
+ AC_LANG_SAVE
+ AC_LANG_C
+-AC_TRY_COMPILER([main(){return(0);}], ac_cv_prog_cc_works, ac_cv_prog_cc_cross)
++AC_TRY_COMPILER([int main(void){return(0);}], ac_cv_prog_cc_works, ac_cv_prog_cc_cross)
+ AC_LANG_RESTORE
+ AC_MSG_RESULT($ac_cv_prog_cc_works)
+ if test $ac_cv_prog_cc_works = no; then
+@@ -217,7 +217,7 @@ AC_DEFUN(AC_PROG_CXX_WORKS,
+ [AC_MSG_CHECKING([whether the C++ compiler ($CXX $CXXFLAGS $LDFLAGS) works])
+ AC_LANG_SAVE
+ AC_LANG_CPLUSPLUS
+-AC_TRY_COMPILER([int main(){return(0);}], ac_cv_prog_cxx_works, ac_cv_prog_cxx_cross)
++AC_TRY_COMPILER([int main(void){return(0);}], ac_cv_prog_cxx_works, ac_cv_prog_cxx_cross)
+ AC_LANG_RESTORE
+ AC_MSG_RESULT($ac_cv_prog_cxx_works)
+ if test $ac_cv_prog_cxx_works = no; then
+@@ -300,7 +300,7 @@ fi])])
+ 
+ AC_DEFUN(AC_PROG_CC_G,
+ [AC_CACHE_CHECK(whether ${CC-cc} accepts -g, ac_cv_prog_cc_g,
+-[echo 'void f(){}' > conftest.c
++[echo 'void f(void){}' > conftest.c
+ if test -z "`${CC-cc} -g -c conftest.c 2>&1`"; then
+   ac_cv_prog_cc_g=yes
+ else
+@@ -311,7 +311,7 @@ rm -f conftest*
+ 
+ AC_DEFUN(AC_PROG_CXX_G,
+ [AC_CACHE_CHECK(whether ${CXX-g++} accepts -g, ac_cv_prog_cxx_g,
+-[echo 'void f(){}' > conftest.cc
++[echo 'void f(void){}' > conftest.cc
+ if test -z "`${CXX-g++} -g -c conftest.cc 2>&1`"; then
+   ac_cv_prog_cxx_g=yes
+ else
+@@ -371,7 +371,7 @@ changequote(, )dnl
+ 		       sed -e 's/[^a-zA-Z0-9_]/_/g' -e 's/^[0-9]/_/'`"
+ changequote([, ])dnl
+ AC_CACHE_VAL(ac_cv_prog_cc_${ac_cc}_c_o,
+-[echo 'foo(){}' > conftest.c
++[echo 'foo(void){}' > conftest.c
+ # Make sure it works both with $CC and with simple cc.
+ # We do the test twice because some compilers refuse to overwrite an
+ # existing .o file with -o, though they will create one.
+@@ -709,7 +709,7 @@ AC_TRY_RUN([#include <ctype.h>
+ #define ISLOWER(c) ('a' <= (c) && (c) <= 'z')
+ #define TOUPPER(c) (ISLOWER(c) ? 'A' + ((c) - 'a') : (c))
+ #define XOR(e, f) (((e) && !(f)) || (!(e) && (f)))
+-int main () { int i; for (i = 0; i < 256; i++)
++int main (void) { int i; for (i = 0; i < 256; i++)
+ if (XOR (islower (i), ISLOWER (i)) || toupper (i) != TOUPPER (i)) exit(2);
+ exit (0); }
+ ], , ac_cv_header_stdc=no, :)
+@@ -820,7 +820,7 @@ esac
+ AC_CACHE_CHECK(whether closedir returns void, ac_cv_func_closedir_void,
+ [AC_TRY_RUN([#include <sys/types.h>
+ #include <$ac_header_dirent>
+-int closedir(); main() { exit(closedir(opendir(".")) != 0); }],
++int closedir(...); int main(void) { exit(closedir(opendir(".")) != 0); }],
+   ac_cv_func_closedir_void=no, ac_cv_func_closedir_void=yes, ac_cv_func_closedir_void=yes)])
+ if test $ac_cv_func_closedir_void = yes; then
+   AC_DEFINE(VOID_CLOSEDIR)
+@@ -911,7 +911,7 @@ changequote(<<, >>)dnl
+ #define NGID 256
+ #undef MAX
+ #define MAX(x, y) ((x) > (y) ? (x) : (y))
+-main()
++int main(void)
+ {
+   gid_t gidset[NGID];
+   int i, n;
+@@ -973,7 +973,7 @@ AC_DEFUN(AC_TYPE_SIGNAL,
+ #ifdef __cplusplus
+ extern "C" void (*signal (int, void (*)(int)))(int);
+ #else
+-void (*signal ()) ();
++void (*signal (void)) (void);
+ #endif
+ ],
+ [int i;], ac_cv_type_signal=void, ac_cv_type_signal=int)])
+@@ -989,7 +989,7 @@ AC_DEFUN(AC_FUNC_CLOSEDIR_VOID,
+ AC_CACHE_CHECK(whether closedir returns void, ac_cv_func_closedir_void,
+ [AC_TRY_RUN([#include <sys/types.h>
+ #include <$ac_header_dirent>
+-int closedir(); main() { exit(closedir(opendir(".")) != 0); }],
++int closedir(...); int main(void) { exit(closedir(opendir(".")) != 0); }],
+   ac_cv_func_closedir_void=no, ac_cv_func_closedir_void=yes, ac_cv_func_closedir_void=yes)])
+ if test $ac_cv_func_closedir_void = yes; then
+   AC_DEFINE(CLOSEDIR_VOID)
+@@ -1001,7 +1001,7 @@ AC_DEFUN(AC_FUNC_FNMATCH,
+ # Some versions of Solaris or SCO have a broken fnmatch function.
+ # So we run a test program.  If we are cross-compiling, take no chance.
+ # Thanks to John Oleynick and Franc,ois Pinard for this test.
+-[AC_TRY_RUN([main() { exit (fnmatch ("a*", "abc", 0) != 0); }],
++[AC_TRY_RUN([int main(void) { exit (fnmatch ("a*", "abc", 0) != 0); }],
+ ac_cv_func_fnmatch_works=yes, ac_cv_func_fnmatch_works=no,
+ ac_cv_func_fnmatch_works=no)])
+ if test $ac_cv_func_fnmatch_works = yes; then
+@@ -1083,11 +1083,11 @@ AC_CACHE_CHECK(for working mmap, ac_cv_func_mmap_fixed_mapped,
+ #ifdef __cplusplus
+ extern "C" { void *malloc(unsigned); }
+ #else
+-char *malloc();
++char *malloc(...);
+ #endif
+ 
+ int
+-main()
++main(void)
+ {
+ 	char *data, *data2, *data3;
+ 	int i, pagesize;
+@@ -1172,7 +1172,7 @@ int     pid;
+ int     pg1, pg2, pg3, pg4;
+ int     ng, np, s, child;
+ 
+-main()
++int main(void)
+ {
+         pid = getpid();
+         pg1 = getpgrp(0);
+@@ -1228,7 +1228,7 @@ AC_TRY_RUN([
+  * If this system has a BSD-style setpgrp, which takes arguments, exit
+  * successfully.
+  */
+-main()
++int main(void)
+ {
+     if (setpgrp(1,1) == -1)
+ 	exit(0);
+@@ -1291,7 +1291,7 @@ sparc_address_test (arg) int arg;
+     }
+   }
+ }
+-main() {
++int main(void) {
+   pid_t parent = getpid ();
+   pid_t child;
+ 
+@@ -1360,7 +1360,7 @@ AC_DEFUN(AC_FUNC_WAIT3,
+ #include <sys/resource.h>
+ #include <stdio.h>
+ /* HP-UX has wait3 but does not fill in rusage at all.  */
+-main() {
++int main(void) {
+   struct rusage r;
+   int i;
+   /* Use a field that we can force nonzero --
+@@ -1416,7 +1416,7 @@ AC_CACHE_CHECK([for alloca], ac_cv_func_alloca_works,
+  #pragma alloca
+ #   else
+ #    ifndef alloca /* predefined by HP cc +Olibcalls */
+-char *alloca ();
++char *alloca (...);
+ #    endif
+ #   endif
+ #  endif
+@@ -1464,7 +1464,7 @@ AC_CACHE_CHECK(stack direction for C alloca, ac_cv_c_stack_direction,
+   else
+     return (&dummy > addr) ? 1 : -1;
+ }
+-main ()
++int main (void)
+ {
+   exit (find_stack_direction() < 0);
+ }], ac_cv_c_stack_direction=1, ac_cv_c_stack_direction=-1,
+@@ -1582,7 +1582,7 @@ AC_DEFUN(AC_FUNC_UTIME_NULL,
+ # Sequent interprets utime(file, 0) to mean use start of epoch.  Wrong.
+ AC_TRY_RUN([#include <sys/types.h>
+ #include <sys/stat.h>
+-main() {
++int main(void) {
+ struct stat s, t;
+ exit(!(stat ("conftestdata", &s) == 0 && utime("conftestdata", (long *)0) == 0
+ && stat("conftestdata", &t) == 0 && t.st_mtime >= s.st_mtime
+@@ -1598,7 +1598,7 @@ fi
+ AC_DEFUN(AC_FUNC_STRCOLL,
+ [AC_CACHE_CHECK(for working strcoll, ac_cv_func_strcoll_works,
+ [AC_TRY_RUN([#include <string.h>
+-main ()
++int main (void)
+ {
+   exit (strcoll ("abc", "def") >= 0 ||
+ 	strcoll ("ABC", "DEF") >= 0 ||
+@@ -1615,7 +1615,7 @@ AC_DEFUN(AC_FUNC_SETVBUF_REVERSED,
+   ac_cv_func_setvbuf_reversed,
+ [AC_TRY_RUN([#include <stdio.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.  */
+@@ -1647,7 +1647,7 @@ LIBS="-lintl $LIBS"])])])
+ AC_DEFUN(AC_FUNC_MEMCMP,
+ [AC_CACHE_CHECK(for 8-bit clean memcmp, ac_cv_func_memcmp_clean,
+ [AC_TRY_RUN([
+-main()
++int main(void)
+ {
+   char c0 = 0x40, c1 = 0x80, c2 = 0x81;
+   exit(memcmp(&c0, &c2, 1) < 0 && memcmp(&c1, &c2, 1) < 0 ? 0 : 1);
+@@ -1805,7 +1805,7 @@ AC_TRY_RUN(
+ #if !defined(__STDC__) || __STDC__ != 1
+ #define volatile
+ #endif
+-main() {
++int main(void) {
+   volatile char c = 255; exit(c < 0);
+ }], ac_cv_c_char_unsigned=yes, ac_cv_c_char_unsigned=no)
+ fi])
+@@ -1819,7 +1819,7 @@ AC_DEFUN(AC_C_LONG_DOUBLE,
+ [if test "$GCC" = yes; then
+   ac_cv_c_long_double=yes
+ else
+-AC_TRY_RUN([int main() {
++AC_TRY_RUN([int main(void) {
+ /* The Stardent Vistra knows sizeof(long double), but does not support it.  */
+ long double foo = 0.0;
+ /* On Ultrix 4.3 cc, long double is 4 and double is 8.  */
+@@ -1834,7 +1834,7 @@ fi
+ AC_DEFUN(AC_INT_16_BITS,
+ [AC_OBSOLETE([$0], [; instead use AC_CHECK_SIZEOF(int)])dnl
+ AC_MSG_CHECKING(whether int is 16 bits)
+-AC_TRY_RUN([main() { exit(sizeof(int) != 2); }],
++AC_TRY_RUN([int main(void) { exit(sizeof(int) != 2); }],
+  [AC_MSG_RESULT(yes)
+  AC_DEFINE(INT_16_BITS)], AC_MSG_RESULT(no))
+ ])
+@@ -1842,7 +1842,7 @@ AC_TRY_RUN([main() { exit(sizeof(int) != 2); }],
+ AC_DEFUN(AC_LONG_64_BITS,
+ [AC_OBSOLETE([$0], [; instead use AC_CHECK_SIZEOF(long)])dnl
+ AC_MSG_CHECKING(whether long int is 64 bits)
+-AC_TRY_RUN([main() { exit(sizeof(long int) != 8); }],
++AC_TRY_RUN([int main(void) { exit(sizeof(long int) != 8); }],
+  [AC_MSG_RESULT(yes)
+  AC_DEFINE(LONG_64_BITS)], AC_MSG_RESULT(no))
+ ])
+@@ -1862,7 +1862,7 @@ AC_TRY_COMPILE([#include <sys/types.h>
+  not big endian
+ #endif], ac_cv_c_bigendian=yes, ac_cv_c_bigendian=no)])
+ if test $ac_cv_c_bigendian = unknown; then
+-AC_TRY_RUN([main () {
++AC_TRY_RUN([int main (void) {
+   /* Are we little or big endian?  From Harbison&Steele.  */
+   union
+   {
+@@ -1885,7 +1885,7 @@ AC_DEFUN(AC_C_INLINE,
+ [AC_CACHE_CHECK([for inline], ac_cv_c_inline,
+ [ac_cv_c_inline=no
+ for ac_kw in inline __inline__ __inline; do
+-  AC_TRY_COMPILE(, [} $ac_kw foo() {], [ac_cv_c_inline=$ac_kw; break])
++  AC_TRY_COMPILE(, [} $ac_kw foo(void) {], [ac_cv_c_inline=$ac_kw; break])
+ done
+ ])
+ case "$ac_cv_c_inline" in
+@@ -2277,7 +2277,7 @@ AC_DEFUN(AC_SYS_RESTARTABLE_SYSCALLS,
+ #include <sys/types.h>
+ #include <signal.h>
+ ucatch (isig) { }
+-main () {
++int main (void) {
+   int i = fork (), status;
+   if (i == 0) { sleep (3); kill (getppid (), SIGINT); sleep (3); exit (0); }
+   signal (SIGINT, ucatch);
+@@ -2654,7 +2654,7 @@ AC_CACHE_VAL(ac_cv_exeext,
+   ac_cv_exeext=.exe
+ else
+   rm -f conftest*
+-  echo 'int main () { return 0; }' > conftest.$ac_ext
++  echo 'int main (void) { return 0; }' > conftest.$ac_ext
+   ac_cv_exeext=
+   if AC_TRY_EVAL(ac_link); then
+     for file in conftest.*; do
diff --git a/sys-devel/autoconf/files/autoconf-2.69-K-R-decls-clang.patch b/sys-devel/autoconf/files/autoconf-2.69-K-R-decls-clang.patch
new file mode 100644
index 000000000000..9f16bc93adba
--- /dev/null
+++ b/sys-devel/autoconf/files/autoconf-2.69-K-R-decls-clang.patch
@@ -0,0 +1,365 @@
+https://bugs.gentoo.org/870412
+https://git.savannah.gnu.org/cgit/autoconf.git/commit/?id=8b5e2016c7ed2d67f31b03a3d2e361858ff5299b
+
+Backport the K&R decls fix to 2.69 to avoid configure tests
+failing (often "silently", i.e. doesn't fail the build of
+the package overall, just leads to wrong results) with
+newer compilers like the upcoming Clang 16.
+
+From e6f401b94b58bb9bb58cd668a996e27663d3e6c7 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Arsen=20Arsenovi=C4=87?= <arsen@aarsen.me>
+Date: Mon, 19 Sep 2022 12:11:24 +0200
+Subject: [PATCH] backport K&R decl fixes
+
+--- a/lib/autoconf/c.m4
++++ b/lib/autoconf/c.m4
+@@ -97,7 +97,7 @@ m4_define([AC_LANG_PROGRAM(C)],
+ m4_ifdef([_AC_LANG_PROGRAM_C_F77_HOOKS], [_AC_LANG_PROGRAM_C_F77_HOOKS])[]dnl
+ m4_ifdef([_AC_LANG_PROGRAM_C_FC_HOOKS], [_AC_LANG_PROGRAM_C_FC_HOOKS])[]dnl
+ int
+-main ()
++main (void)
+ {
+ dnl Do *not* indent the following line: there may be CPP directives.
+ dnl Don't move the `;' right after for the same reason.
+@@ -130,7 +130,7 @@ m4_if([$2], [main], ,
+ #ifdef __cplusplus
+ extern "C"
+ #endif
+-char $2 ();])], [return $2 ();])])
++char $2 (void);])], [return $2 ();])])
+ 
+ 
+ # AC_LANG_FUNC_LINK_TRY(C)(FUNCTION)
+@@ -154,7 +154,7 @@ m4_define([AC_LANG_FUNC_LINK_TRY(C)],
+ #define $1 innocuous_$1
+ 
+ /* System header to define __stub macros and hopefully few prototypes,
+-    which can conflict with char $1 (); below.
++    which can conflict with char $1 (void); below.
+     Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
+     <limits.h> exists even on freestanding compilers.  */
+ 
+@@ -172,7 +172,7 @@ m4_define([AC_LANG_FUNC_LINK_TRY(C)],
+ #ifdef __cplusplus
+ extern "C"
+ #endif
+-char $1 ();
++char $1 (void);
+ /* The GNU C library defines this for functions which it implements
+     to always fail with ENOSYS.  Some functions are actually named
+     something starting with __ and the normal name is an alias.  */
+@@ -201,8 +201,8 @@ return test_array @<:@0@:>@;
+ # But we include them only after the EXPRESSION has been evaluated.
+ m4_define([AC_LANG_INT_SAVE(C)],
+ [AC_LANG_PROGRAM([$1
+-static long int longval () { return $2; }
+-static unsigned long int ulongval () { return $2; }
++static long int longval (void) { return $2; }
++static unsigned long int ulongval (void) { return $2; }
+ @%:@include <stdio.h>
+ @%:@include <stdlib.h>],
+ [
+@@ -1625,8 +1625,8 @@ for ac_kw in inline __inline__ __inline; do
+   AC_COMPILE_IFELSE([AC_LANG_SOURCE(
+ [#ifndef __cplusplus
+ typedef int foo_t;
+-static $ac_kw foo_t static_foo () {return 0; }
+-$ac_kw foo_t foo () {return 0; }
++static $ac_kw foo_t static_foo (void) {return 0; }
++$ac_kw foo_t foo (void) {return 0; }
+ #endif
+ ])],
+ 		    [ac_cv_c_inline=$ac_kw])
+@@ -1949,7 +1949,7 @@ m4_define([_AC_LANG_OPENMP(C)],
+  choke me
+ #endif
+ #include <omp.h>
+-int main () { return omp_get_num_threads (); }
++int main (void) { return omp_get_num_threads (); }
+ ])
+ 
+ # _AC_LANG_OPENMP(C++)
+--- a/lib/autoconf/functions.m4
++++ b/lib/autoconf/functions.m4
+@@ -463,9 +463,6 @@ AC_CACHE_CHECK([whether closedir returns void],
+ 	       [ac_cv_func_closedir_void],
+ [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT
+ #include <$ac_header_dirent>
+-#ifndef __cplusplus
+-int closedir ();
+-#endif
+ ],
+ 				[[return closedir (opendir (".")) != 0;]])],
+ 	       [ac_cv_func_closedir_void=no],
+@@ -893,7 +890,7 @@ AC_CACHE_CHECK([for GNU libc compatible malloc], ac_cv_func_malloc_0_nonnull,
+ [[#if defined STDC_HEADERS || defined HAVE_STDLIB_H
+ # include <stdlib.h>
+ #else
+-char *malloc ();
++char *malloc (long);
+ #endif
+ ]],
+ 		 [return ! malloc (0);])],
+@@ -1029,7 +1026,7 @@ static const char *tz_strings[] = {
+ /* Return 0 if mktime fails to convert a date in the spring-forward gap.
+    Based on a problem report from Andreas Jaeger.  */
+ static int
+-spring_forward_gap ()
++spring_forward_gap (void)
+ {
+   /* glibc (up to about 1998-10-07) failed this test. */
+   struct tm tm;
+@@ -1066,7 +1063,7 @@ mktime_test (time_t now)
+ }
+ 
+ static int
+-irix_6_4_bug ()
++irix_6_4_bug (void)
+ {
+   /* Based on code from Ariel Faigon.  */
+   struct tm tm;
+@@ -1108,7 +1105,7 @@ bigtime_test (int j)
+ }
+ 
+ static int
+-year_2050_test ()
++year_2050_test (void)
+ {
+   /* The correct answer for 2050-02-01 00:00:00 in Pacific time,
+      ignoring leap seconds.  */
+@@ -1138,7 +1135,7 @@ year_2050_test ()
+ }
+ 
+ int
+-main ()
++main (void)
+ {
+   time_t t, delta;
+   int i, j;
+@@ -1232,7 +1229,7 @@ AC_CACHE_CHECK([for working mmap], [ac_cv_func_mmap_fixed_mapped],
+ #include <sys/mman.h>
+ 
+ #if !defined STDC_HEADERS && !defined HAVE_STDLIB_H
+-char *malloc ();
++char *malloc (void *, long);
+ #endif
+ 
+ /* This mess was copied from the GNU getpagesize.h.  */
+@@ -1268,7 +1265,7 @@ char *malloc ();
+ #endif /* no HAVE_GETPAGESIZE */
+ 
+ int
+-main ()
++main (void)
+ {
+   char *data, *data2, *data3;
+   const char *cdata2;
+@@ -1398,7 +1395,7 @@ AC_CACHE_CHECK([for GNU libc compatible realloc], ac_cv_func_realloc_0_nonnull,
+ [[#if defined STDC_HEADERS || defined HAVE_STDLIB_H
+ # include <stdlib.h>
+ #else
+-char *realloc ();
++char *realloc (void *, long);
+ #endif
+ ]],
+ 		 [return ! realloc (0, 0);])],
+@@ -1547,11 +1544,8 @@ AC_DEFUN([AC_FUNC_STRTOD],
+ AC_CACHE_CHECK(for working strtod, ac_cv_func_strtod,
+ [AC_RUN_IFELSE([AC_LANG_SOURCE([[
+ ]AC_INCLUDES_DEFAULT[
+-#ifndef strtod
+-double strtod ();
+-#endif
+ int
+-main()
++main(void)
+ {
+   {
+     /* Some versions of Linux strtod mis-parse strings with leading '+'.  */
+@@ -1645,8 +1639,7 @@ AC_CACHE_CHECK([whether strerror_r returns char *],
+       # former has a strerror_r that returns char*, while the latter
+       # has a strerror_r that returns `int'.
+       # This test should segfault on the DEC system.
+-      AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT
+-	extern char *strerror_r ();],
++      AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
+ 	[[char buf[100];
+ 	  char x = *strerror_r (0, buf, sizeof buf);
+ 	  return ! isalpha (x);]])],
+@@ -1879,7 +1872,7 @@ sparc_address_test (arg) int arg;
+ }
+ 
+ int
+-main ()
++main (void)
+ {
+   pid_t parent = getpid ();
+   pid_t child;
+@@ -1985,7 +1978,7 @@ AC_CACHE_CHECK([for wait3 that fills in rusage],
+ #include <sys/wait.h>
+ /* HP-UX has wait3 but does not fill in rusage at all.  */
+ int
+-main ()
++main (void)
+ {
+   struct rusage r;
+   int i;
+--- a/lib/autoconf/headers.m4
++++ b/lib/autoconf/headers.m4
+@@ -712,7 +712,7 @@ if test $ac_cv_header_stdc = yes; then
+ 
+ #define XOR(e, f) (((e) && !(f)) || (!(e) && (f)))
+ int
+-main ()
++main (void)
+ {
+   int i;
+   for (i = 0; i < 256; i++)
+--- a/lib/autoconf/specific.m4
++++ b/lib/autoconf/specific.m4
+@@ -257,7 +257,7 @@ void ucatch (dummy) int dummy; { }
+ #endif
+ 
+ int
+-main ()
++main (void)
+ {
+   int i = fork (), status;
+ 
+--- a/lib/autoconf/types.m4
++++ b/lib/autoconf/types.m4
+@@ -267,7 +267,7 @@ AC_CACHE_CHECK(type of array argument to getgroups, ac_cv_type_getgroups,
+ #define MAX(x, y) ((x) > (y) ? (x) : (y))
+ 
+ int
+-main ()
++main (void)
+ {
+   gid_t gidset[NGID];
+   int i, n;
+--- a/tests/c.at
++++ b/tests/c.at
+@@ -354,7 +354,7 @@ AT_DATA([foo.c],
+ #endif
+ #include <stdio.h>
+ 
+-int main ()
++int main (void)
+ {
+ #ifdef _OPENMP
+ #pragma omp parallel
+@@ -404,7 +404,7 @@ foo.@OBJEXT@: foo.cpp
+ ]])
+ 
+ AT_DATA([foo.cpp],
+-[[int main ()
++[[int main (void)
+ {
+   return 0;
+ }
+--- a/tests/compile.at
++++ b/tests/compile.at
+@@ -124,7 +124,7 @@ AC_PROG_CC
+ AC_COMPILE_IFELSE([AC_LANG_SOURCE([[#ifndef PACKAGE_NAME
+ choke me
+ #endif
+-int main ()
++int main (void)
+ {
+   return 0;
+ }
+@@ -150,7 +150,7 @@ AC_LANG([C++])
+ AC_COMPILE_IFELSE([AC_LANG_SOURCE([[#ifndef PACKAGE_NAME
+ choke me
+ #endif
+-int main ()
++int main (void)
+ {
+   return 0;
+ }
+@@ -249,7 +249,7 @@ AT_CHECK([sed -n 's/ *$//; /#define PACKAGE/,$p' stdout], [],
+ 
+ const char hw[] = "Hello, World\n";
+ int
+-main ()
++main (void)
+ {
+ fputs (hw, stdout);
+   ;
+@@ -269,7 +269,7 @@ AT_KEYWORDS([AC_LANG_DEFINES_PROVIDED])
+ 
+ AT_DATA([configure.ac],
+ [[AC_INIT
+-AC_COMPILE_IFELSE([int main () { return 0; }], [],
++AC_COMPILE_IFELSE([int main (void) { return 0; }], [],
+   [AC_MSG_ERROR([compiling trivial program failed])])
+ ]])
+ 
+@@ -280,7 +280,7 @@ AT_CHECK_CONFIGURE([-q])
+ 
+ AT_DATA([configure.ac],
+ [[AC_INIT
+-AC_COMPILE_IFELSE([AC_LANG_DEFINES_PROVIDED()int main () { return 0; }], [],
++AC_COMPILE_IFELSE([AC_LANG_DEFINES_PROVIDED()int main (void) { return 0; }], [],
+   [AC_MSG_ERROR([compiling trivial program failed])])
+ ]])
+ 
+@@ -324,7 +324,7 @@ test $estatus != 2 &&
+   AC_MSG_ERROR([did not get as 2 exit status: $estatus])])
+ 
+ # The old stinky one.
+-AC_TRY_RUN([int main () { return 3; }],
++AC_TRY_RUN([int main (void) { return 3; }],
+ 	   [AC_MSG_ERROR([saw `return 3' as a success])],
+ 	   [estatus=$?
+ test $estatus != 3 &&
+--- a/tests/fortran.at
++++ b/tests/fortran.at
+@@ -223,7 +223,7 @@ void FOOBAR_F77 (double *x, double *y);
+ #  ifdef __cplusplus
+      extern "C"
+ #  endif
+-   int F77_DUMMY_MAIN () { return 1; }
++   int F77_DUMMY_MAIN (void) { return 1; }
+ #endif
+ 
+ int main(int argc, char *argv[])
+@@ -301,7 +301,7 @@ void FOOBAR_FC(double *x, double *y);
+ #  ifdef __cplusplus
+      extern "C"
+ #  endif
+-   int FC_DUMMY_MAIN () { return 1; }
++   int FC_DUMMY_MAIN (void) { return 1; }
+ #endif
+ 
+ int main (int argc, char *argv[])
+@@ -533,7 +533,7 @@ void @foobar@ (int *x);
+ #  ifdef __cplusplus
+      extern "C"
+ #  endif
+-   int F77_DUMMY_MAIN () { return 1; }
++   int F77_DUMMY_MAIN (void) { return 1; }
+ #endif
+ 
+ int main(int argc, char *argv[])
+@@ -607,7 +607,7 @@ void @foobar@ (int *x);
+ #  ifdef __cplusplus
+      extern "C"
+ #  endif
+-   int FC_DUMMY_MAIN () { return 1; }
++   int FC_DUMMY_MAIN (void) { return 1; }
+ #endif
+ 
+ int main(int argc, char *argv[])
+--- a/tests/semantics.at
++++ b/tests/semantics.at
+@@ -107,7 +107,7 @@ AT_CHECK_MACRO([AC_CHECK_DECLS],
+ 		 [[int yes = 1;
+ 		   enum { myenum };
+ 		   struct { int x[20]; } mystruct;
+-		   extern int myfunc();
++		   extern int myfunc (void);
+ 		   #define mymacro1(arg) arg
+ 		   #define mymacro2]])
+   # The difference in space-before-open-paren is intentional.
diff --git a/sys-devel/autoconf/files/autoconf-2.71-AC_C_BIGENDIAN-lto.patch b/sys-devel/autoconf/files/autoconf-2.71-AC_C_BIGENDIAN-lto.patch
new file mode 100644
index 000000000000..48fbdc6f544b
--- /dev/null
+++ b/sys-devel/autoconf/files/autoconf-2.71-AC_C_BIGENDIAN-lto.patch
@@ -0,0 +1,50 @@
+https://git.savannah.gnu.org/cgit/autoconf.git/commit/?id=234fc6c86613ed3f366dd1d88996e4d5d85ee222
+
+From 234fc6c86613ed3f366dd1d88996e4d5d85ee222 Mon Sep 17 00:00:00 2001
+From: Paul Eggert <eggert@cs.ucla.edu>
+Date: Wed, 27 Jul 2022 08:53:35 -0700
+Subject: Port AC_C_BIGENDIAN to cross gcc -std=c11 -flto
+
+* lib/autoconf/c.m4 (AC_C_BIGENDIAN): Improve the
+inherently-unportable grep trick well enough to survive gcc
+-std=c11 -flto when cross-compiling (sr#110687).
+--- a/lib/autoconf/c.m4
++++ b/lib/autoconf/c.m4
+@@ -1838,8 +1838,8 @@ AC_DEFUN([AC_C_BIGENDIAN],
+ 	[ac_cv_c_bigendian=no],
+ 	[ac_cv_c_bigendian=yes],
+ 	[# Try to guess by grepping values from an object file.
+-	 AC_COMPILE_IFELSE(
+-	   [AC_LANG_PROGRAM(
++	 AC_LINK_IFELSE(
++	   [AC_LANG_SOURCE(
+ 	      [[unsigned short int ascii_mm[] =
+ 		  { 0x4249, 0x4765, 0x6E44, 0x6961, 0x6E53, 0x7953, 0 };
+ 		unsigned short int ascii_ii[] =
+@@ -1854,13 +1854,20 @@ AC_DEFUN([AC_C_BIGENDIAN],
+ 		int use_ebcdic (int i) {
+ 		  return ebcdic_mm[i] + ebcdic_ii[i];
+ 		}
+-		extern int foo;
+-	      ]],
+-	      [[return use_ascii (foo) == use_ebcdic (foo);]])],
+-	   [if grep BIGenDianSyS conftest.$ac_objext >/dev/null; then
++		int
++		main (int argc, char **argv)
++		{
++		  /* Intimidate the compiler so that it does not
++		     optimize the arrays away.  */
++		  char *p = argv[0];
++		  ascii_mm[1] = *p++; ebcdic_mm[1] = *p++;
++		  ascii_ii[1] = *p++; ebcdic_ii[1] = *p++;
++		  return use_ascii (argc) == use_ebcdic (*p);
++		}]])],
++	   [if grep BIGenDianSyS conftest$ac_exeext >/dev/null; then
+ 	      ac_cv_c_bigendian=yes
+ 	    fi
+-	    if grep LiTTleEnDian conftest.$ac_objext >/dev/null ; then
++	    if grep LiTTleEnDian conftest$ac_exeext >/dev/null ; then
+ 	      if test "$ac_cv_c_bigendian" = unknown; then
+ 		ac_cv_c_bigendian=no
+ 	      else
+cgit v1.1
diff --git a/sys-devel/autoconf/files/autoconf-2.71-AC_LANG_CALL_C_cxx.patch b/sys-devel/autoconf/files/autoconf-2.71-AC_LANG_CALL_C_cxx.patch
new file mode 100644
index 000000000000..5b53d17135bc
--- /dev/null
+++ b/sys-devel/autoconf/files/autoconf-2.71-AC_LANG_CALL_C_cxx.patch
@@ -0,0 +1,35 @@
+https://git.savannah.gnu.org/cgit/autoconf.git/commit/?id=b27bc3e230bb12fdd9a813e38e82bc4c3e22b4cc
+
+Note: we drop the comma from the comment because some packages
+have bad quoting, and while that will need to be sorted when/if
+autoconf 2.72 is released, we've got our hands full with the
+Clang situation right now (bug #871753).
+
+From b27bc3e230bb12fdd9a813e38e82bc4c3e22b4cc Mon Sep 17 00:00:00 2001
+From: Paul Eggert <eggert@cs.ucla.edu>
+Date: Tue, 31 Aug 2021 16:30:46 -0700
+Subject: Port AC_LANG_CALL(C) to C++
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+* lib/autoconf/c.m4 (AC_LANG_CALL(C)): Add an extern "C" if C++.
+Problem reported by Vincent Lefèvre (sr #110532).
+--- a/lib/autoconf/c.m4
++++ b/lib/autoconf/c.m4
+@@ -126,7 +126,13 @@ m4_define([AC_LANG_CALL(C)],
+ m4_if([$2], [main], ,
+ [/* Override any GCC internal prototype to avoid an error.
+    Use char because int might match the return type of a GCC
+-   builtin and then its argument prototype would still apply.  */
++   builtin and then its argument prototype would still apply.
++   The 'extern "C"' is for builds by C++ compilers;
++   although this is not generally supported in C code supporting it here
++   has little cost and some practical benefit (sr 110532).  */
++#ifdef __cplusplus
++extern "C"
++#endif
+ char $2 ();])], [return $2 ();])])
+ 
+ 
+cgit v1.1
diff --git a/sys-devel/autoconf/files/autoconf-2.71-K-R-decls-clang.patch b/sys-devel/autoconf/files/autoconf-2.71-K-R-decls-clang.patch
new file mode 100644
index 000000000000..33cb728695bb
--- /dev/null
+++ b/sys-devel/autoconf/files/autoconf-2.71-K-R-decls-clang.patch
@@ -0,0 +1,114 @@
+https://bugs.gentoo.org/870412
+https://git.savannah.gnu.org/cgit/autoconf.git/commit/?id=8b5e2016c7ed2d67f31b03a3d2e361858ff5299b
+
+Backport the K&R decls fix to 2.69 to avoid configure tests
+failing (often "silently", i.e. doesn't fail the build of
+the package overall, just leads to wrong results) with
+newer compilers like the upcoming Clang 16.
+
+From 8b5e2016c7ed2d67f31b03a3d2e361858ff5299b Mon Sep 17 00:00:00 2001
+From: Paul Eggert <eggert@cs.ucla.edu>
+Date: Thu, 1 Sep 2022 16:19:50 -0500
+Subject: Port to compilers that moan about K&R func decls
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+* lib/autoconf/c.m4 (AC_LANG_CALL, AC_LANG_FUNC_LINK_TRY):
+Use '(void)' rather than '()' in function prototypes, as the latter
+provokes fatal errors in some compilers nowadays.
+* lib/autoconf/functions.m4 (AC_FUNC_STRTOD):
+* tests/fortran.at (AC_F77_DUMMY_MAIN usage):
+* tests/semantics.at (AC_CHECK_DECLS):
+Don’t use () in a function decl.
+--- a/lib/autoconf/c.m4
++++ b/lib/autoconf/c.m4
+@@ -133,7 +133,7 @@ m4_if([$2], [main], ,
+ #ifdef __cplusplus
+ extern "C"
+ #endif
+-char $2 ();])], [return $2 ();])])
++char $2 (void);])], [return $2 ();])])
+ 
+ 
+ # AC_LANG_FUNC_LINK_TRY(C)(FUNCTION)
+@@ -157,7 +157,7 @@ m4_define([AC_LANG_FUNC_LINK_TRY(C)],
+ #define $1 innocuous_$1
+ 
+ /* System header to define __stub macros and hopefully few prototypes,
+-   which can conflict with char $1 (); below.  */
++   which can conflict with char $1 (void); below.  */
+ 
+ #include <limits.h>
+ #undef $1
+@@ -168,7 +168,7 @@ m4_define([AC_LANG_FUNC_LINK_TRY(C)],
+ #ifdef __cplusplus
+ extern "C"
+ #endif
+-char $1 ();
++char $1 (void);
+ /* The GNU C library defines this for functions which it implements
+     to always fail with ENOSYS.  Some functions are actually named
+     something starting with __ and the normal name is an alias.  */
+--- a/lib/autoconf/functions.m4
++++ b/lib/autoconf/functions.m4
+@@ -1613,9 +1613,6 @@ AC_DEFUN([AC_FUNC_STRTOD],
+ AC_CACHE_CHECK(for working strtod, ac_cv_func_strtod,
+ [AC_RUN_IFELSE([AC_LANG_SOURCE([[
+ ]AC_INCLUDES_DEFAULT[
+-#ifndef strtod
+-double strtod ();
+-#endif
+ int
+ main (void)
+ {
+--- a/tests/fortran.at
++++ b/tests/fortran.at
+@@ -233,7 +233,7 @@ void FOOBAR_F77 (double *x, double *y);
+ #  ifdef __cplusplus
+      extern "C"
+ #  endif
+-   int F77_DUMMY_MAIN () { return 1; }
++   int F77_DUMMY_MAIN (void) { return 1; }
+ #endif
+ 
+ int main(int argc, char *argv[])
+@@ -315,7 +315,7 @@ void FOOBAR_FC(double *x, double *y);
+ #  ifdef __cplusplus
+      extern "C"
+ #  endif
+-   int FC_DUMMY_MAIN () { return 1; }
++   int FC_DUMMY_MAIN (void) { return 1; }
+ #endif
+ 
+ int main (int argc, char *argv[])
+@@ -561,7 +561,7 @@ void @foobar@ (int *x);
+ #  ifdef __cplusplus
+      extern "C"
+ #  endif
+-   int F77_DUMMY_MAIN () { return 1; }
++   int F77_DUMMY_MAIN (void) { return 1; }
+ #endif
+ 
+ int main(int argc, char *argv[])
+@@ -637,7 +637,7 @@ void @foobar@ (int *x);
+ #  ifdef __cplusplus
+      extern "C"
+ #  endif
+-   int FC_DUMMY_MAIN () { return 1; }
++   int FC_DUMMY_MAIN (void) { return 1; }
+ #endif
+ 
+ int main(int argc, char *argv[])
+--- a/tests/semantics.at
++++ b/tests/semantics.at
+@@ -207,7 +207,7 @@ AT_CHECK_MACRO([AC_CHECK_DECLS],
+ 		 [[extern int yes;
+ 		   enum { myenum };
+ 		   extern struct mystruct_s { int x[20]; } mystruct;
+-		   extern int myfunc();
++		   extern int myfunc (int);
+ 		   #define mymacro1(arg) arg
+ 		   #define mymacro2]])
+   # Ensure we can detect missing declarations of functions whose
+cgit v1.1