[PATCH] Update obsolete autoconf macros

Pietro Monteiro pietro@sociotechnical.xyz
Thu Aug 7 01:47:00 GMT 2025


This fixes the autoconf warnings on the binutils side of the
tree. I can split it into one patch per directory, but the patch
is pretty simple and there are no changes to the generated
files.

-- >8 --
Update obsolete autoconf macros following the autoconf documentation.

https://www.gnu.org/software/autoconf/manual/autoconf-2.69/html_node/Obsolete-Macros.html

bfd/

	* bfd.m4: Replace AC_TRY_COMPILE with AC_COMPILE_IFELSE.

binutils/

	* configure.ac: Replace AC_TRY_COMPILE with AC_COMPILE_IFELSE.

gas/

	* acinclude.m4: Replace AC_TRY_LINK with AC_LINK_IFELSE.
	Replace AC_TRY_COMPILE with AC_COMPILE_IFELSE.

gprof/

	* configure.ac: Replace AC_OUTPUT(file list) with
	AC_CONFIG_FILES([file list])\nAC_OUTPUT.

libctf/

	* configure.ac: Replace AC_TRY_LINK with AC_LINK_IFELSE.

opcodes/

	* configure.ac: Replace AC_TRY_COMPILE with AC_COMPILE_IFELSE.
---
 bfd/bfd.m4            | 21 ++++++++++-----------
 binutils/configure.ac |  6 +++---
 gas/acinclude.m4      | 32 ++++++++++++++++----------------
 gprof/configure.ac    |  3 ++-
 libctf/configure.ac   |  8 ++++----
 opcodes/configure.ac  |  6 +++---
 6 files changed, 38 insertions(+), 38 deletions(-)

diff --git a/bfd/bfd.m4 b/bfd/bfd.m4
index 754460dc81d..6fe7603d2a3 100644
--- a/bfd/bfd.m4
+++ b/bfd/bfd.m4
@@ -29,12 +29,12 @@ AC_DEFUN([BFD_HAVE_SYS_PROCFS_TYPE],
 [AC_REQUIRE([BFD_SYS_PROCFS_H])
  AC_MSG_CHECKING([for $1 in sys/procfs.h])
  AC_CACHE_VAL(bfd_cv_have_sys_procfs_type_$1,
-   [AC_TRY_COMPILE([
+   [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
 #define _SYSCALL32
-#include <sys/procfs.h>],
-      [$1 avar],
-      bfd_cv_have_sys_procfs_type_$1=yes,
-      bfd_cv_have_sys_procfs_type_$1=no
+#include <sys/procfs.h>]],
+      [[$1 avar]])],
+      [bfd_cv_have_sys_procfs_type_$1=yes],
+      [bfd_cv_have_sys_procfs_type_$1=no]
    )])
  if test $bfd_cv_have_sys_procfs_type_$1 = yes; then
    AC_DEFINE([HAVE_]translit($1, [a-z], [A-Z]), 1,
@@ -49,12 +49,12 @@ AC_DEFUN([BFD_HAVE_SYS_PROCFS_TYPE_MEMBER],
 [AC_REQUIRE([BFD_SYS_PROCFS_H])
  AC_MSG_CHECKING([for $1.$2 in sys/procfs.h])
  AC_CACHE_VAL(bfd_cv_have_sys_procfs_type_member_$1_$2,
-   [AC_TRY_COMPILE([
+   [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
 #define _SYSCALL32
-#include <sys/procfs.h>],
-      [$1 avar; void* aref = (void*) &avar.$2],
-      bfd_cv_have_sys_procfs_type_member_$1_$2=yes,
-      bfd_cv_have_sys_procfs_type_member_$1_$2=no
+#include <sys/procfs.h>]],
+      [[$1 avar; void* aref = (void*) &avar.$2]])],
+      [bfd_cv_have_sys_procfs_type_member_$1_$2=yes],
+      [bfd_cv_have_sys_procfs_type_member_$1_$2=no]
    )])
  if test $bfd_cv_have_sys_procfs_type_member_$1_$2 = yes; then
    AC_DEFINE([HAVE_]translit($1, [a-z], [A-Z])[_]translit($2, [a-z], [A-Z]), 1,
@@ -62,4 +62,3 @@ AC_DEFUN([BFD_HAVE_SYS_PROCFS_TYPE_MEMBER],
  fi
  AC_MSG_RESULT($bfd_cv_have_sys_procfs_type_member_$1_$2)
 ])
-
diff --git a/binutils/configure.ac b/binutils/configure.ac
index a3930363b3f..93e8a4b0934 100644
--- a/binutils/configure.ac
+++ b/binutils/configure.ac
@@ -201,9 +201,9 @@ GCC_AC_FUNC_MMAP
 AC_CHECK_FUNCS(fseeko fseeko64 getc_unlocked mkdtemp mkstemp utimensat utimes)
 
 AC_MSG_CHECKING([for mbstate_t])
-AC_TRY_COMPILE([#include <wchar.h>],
-[mbstate_t teststate;],
-have_mbstate_t=yes, have_mbstate_t=no)
+AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <wchar.h>]],
+[[mbstate_t teststate;]])],
+[have_mbstate_t=yes],[have_mbstate_t=no])
 AC_MSG_RESULT($have_mbstate_t)
 if test x"$have_mbstate_t" = xyes; then
   AC_DEFINE(HAVE_MBSTATE_T,1,[Define if mbstate_t exists in wchar.h.])
diff --git a/gas/acinclude.m4 b/gas/acinclude.m4
index bf6dba6825f..b6345d52b78 100644
--- a/gas/acinclude.m4
+++ b/gas/acinclude.m4
@@ -2,12 +2,12 @@ dnl GAS_CHECK_DECL_NEEDED(name, typedefname, typedef, headers)
 AC_DEFUN([GAS_CHECK_DECL_NEEDED],[
 AC_MSG_CHECKING(whether declaration is required for $1)
 AC_CACHE_VAL(gas_cv_decl_needed_$1,
-AC_TRY_LINK([$4],
-[
+AC_LINK_IFELSE([AC_LANG_PROGRAM([[$4]],
+[[
 typedef $3;
 $2 x;
 x = ($2) $1;
-], gas_cv_decl_needed_$1=no, gas_cv_decl_needed_$1=yes))dnl
+]])],[gas_cv_decl_needed_$1=no], [gas_cv_decl_needed_$1=yes]))dnl
 AC_MSG_RESULT($gas_cv_decl_needed_$1)
 if test $gas_cv_decl_needed_$1 = yes; then
  AC_DEFINE([NEED_DECLARATION_]translit($1, [a-z], [A-Z]), 1,
@@ -22,9 +22,9 @@ dnl GAS_WORKING_ASSERT
 AC_DEFUN([GAS_WORKING_ASSERT],
 [AC_MSG_CHECKING([for working assert macro])
 AC_CACHE_VAL(gas_cv_assert_ok,
-AC_TRY_LINK([#include <assert.h>
+AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <assert.h>
 #include <string.h>
-#include <stdio.h>], [
+#include <stdio.h>]], [[
 /* check for requoting problems */
 static int a, b, c, d;
 static char *s;
@@ -32,7 +32,7 @@ assert (!strcmp(s, "foo bar baz quux"));
 /* check for newline handling */
 assert (a == b
         || c == d);
-], gas_cv_assert_ok=yes, gas_cv_assert_ok=no))dnl
+]])],[gas_cv_assert_ok=yes], [gas_cv_assert_ok=no]))dnl
 AC_MSG_RESULT($gas_cv_assert_ok)
 test $gas_cv_assert_ok = yes || AC_DEFINE(BROKEN_ASSERT, 1, [assert broken?])
 ])dnl
@@ -61,12 +61,12 @@ dnl
 AC_DEFUN([GAS_HAVE_TIME_TYPE_MEMBER],
 [AC_MSG_CHECKING([for $1.$2 in time.h])
  AC_CACHE_VAL(gas_cv_have_time_type_member_$2,
-   [AC_TRY_COMPILE([
+   [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
 #define _BSD_SOURCE 1
-#include <time.h>],
-      [$1 avar; void* aref = (void*) &avar.$2],
-      gas_cv_have_time_type_member_$2=yes,
-      gas_cv_have_time_type_member_$2=no
+#include <time.h>]],
+      [[$1 avar; void* aref = (void*) &avar.$2]])],
+      [gas_cv_have_time_type_member_$2=yes],
+      [gas_cv_have_time_type_member_$2=no]
    )])
  if test $gas_cv_have_time_type_member_$2 = yes; then
    AC_DEFINE([HAVE_]translit($2, [a-z], [A-Z]), 1,
@@ -80,12 +80,12 @@ dnl
 AC_DEFUN([GAS_HAVE_SYS_STAT_TYPE_MEMBER],
 [AC_MSG_CHECKING([for $1.$2.$3 in sys/stat.h])
  AC_CACHE_VAL(gas_cv_have_sys_stat_type_member_$2_$3,
-   [AC_TRY_COMPILE([
+   [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
 #define _BSD_SOURCE 1
-#include <sys/stat.h>],
-      [$1 avar; void* aref = (void*) &avar.$2.$3],
-      gas_cv_have_sys_stat_type_member_$2_$3=yes,
-      gas_cv_have_sys_stat_type_member_$2_$3=no
+#include <sys/stat.h>]],
+      [[$1 avar; void* aref = (void*) &avar.$2.$3]])],
+      [gas_cv_have_sys_stat_type_member_$2_$3=yes],
+      [gas_cv_have_sys_stat_type_member_$2_$3=no]
    )])
  if test $gas_cv_have_sys_stat_type_member_$2_$3 = yes; then
    AC_DEFINE([HAVE_]translit($2, [a-z], [A-Z])[_]translit($3, [a-z], [A-Z]), 1,
diff --git a/gprof/configure.ac b/gprof/configure.ac
index 94486ed1af5..85502ec2598 100644
--- a/gprof/configure.ac
+++ b/gprof/configure.ac
@@ -86,6 +86,7 @@ AC_CACHE_CHECK([whether gprof tests can run],
   fi])
 AM_CONDITIONAL(NATIVE, test "$gprof_cv_sys_native" = "yes")
 
-AC_OUTPUT(Makefile testsuite/Makefile po/Makefile.in:po/Make-in)
+AC_CONFIG_FILES([Makefile testsuite/Makefile po/Makefile.in:po/Make-in])
+AC_OUTPUT
 
 GNU_MAKE_JOBSERVER
diff --git a/libctf/configure.ac b/libctf/configure.ac
index 40d00e8eb18..62e62250c80 100644
--- a/libctf/configure.ac
+++ b/libctf/configure.ac
@@ -98,12 +98,12 @@ LDFLAGS="-L../bfd -L../libiberty $LDFLAGS"
 intl=`echo $LIBINTL | sed 's,${top_builddir}/,,g'`
 LIBS="-lbfd -liberty $intl $LIBS"
 AC_CACHE_CHECK([for ELF support in BFD], ac_cv_libctf_bfd_elf,
-[AC_TRY_LINK([#include <stdlib.h>
+[AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <stdlib.h>
 	     #include <string.h>
 	     #include "bfd.h"
-	     #include "elf-bfd.h"],
-	    [(void) bfd_section_from_elf_index (NULL, 0);
-	     return 0;],
+	     #include "elf-bfd.h"]],
+	   [[(void) bfd_section_from_elf_index (NULL, 0);
+	     return 0;]])],
 	    [ac_cv_libctf_bfd_elf=yes],
 	    [ac_cv_libctf_bfd_elf=no])])
 CFLAGS=$OLD_CFLAGS
diff --git a/opcodes/configure.ac b/opcodes/configure.ac
index 783ac2a7a7a..675f0662700 100644
--- a/opcodes/configure.ac
+++ b/opcodes/configure.ac
@@ -101,10 +101,10 @@ AC_CHECK_DECLS([basename, stpcpy])
 # Check if sigsetjmp is available.  Using AC_CHECK_FUNCS won't do
 # since sigsetjmp might only be defined as a macro.
 AC_CACHE_CHECK([for sigsetjmp], gdb_cv_func_sigsetjmp,
-[AC_TRY_COMPILE([
+[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
 #include <setjmp.h>
-], [sigjmp_buf env; while (! sigsetjmp (env, 1)) siglongjmp (env, 1);],
-bfd_cv_func_sigsetjmp=yes, bfd_cv_func_sigsetjmp=no)])
+]], [[sigjmp_buf env; while (! sigsetjmp (env, 1)) siglongjmp (env, 1);]])],
+[bfd_cv_func_sigsetjmp=yes], [bfd_cv_func_sigsetjmp=no])])
 if test $bfd_cv_func_sigsetjmp = yes; then
   AC_DEFINE(HAVE_SIGSETJMP, 1, [Define if sigsetjmp is available. ])
 fi
-- 
2.43.0



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