* configure.in: Replace BFD_NEED_DECLARATION checks by the

	corresponding AC_CHECK_DECLS.
	* sysdep.h: Replace NEED_DECLARATION_* checks by the corresponding
	HAVE_DECL_*.
	* bfd.m4 (BFD_NEED_DECLARATION): Remove, obsolete.
	* configure: Regenerate.
	* config.in: Ditto.

6 files changed, 177 insertions, 216 deletions

diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index c14161efb84..5e9f707685d 100644
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -1,3 +1,13 @@
+2005-04-21  Jerome Guitton  <guitton@gnat.com>
+
+	* configure.in: Replace BFD_NEED_DECLARATION checks by the
+	corresponding AC_CHECK_DECLS.
+	* sysdep.h: Replace NEED_DECLARATION_* checks by the corresponding
+	HAVE_DECL_*.
+	* bfd.m4 (BFD_NEED_DECLARATION): Remove, obsolete.
+	* configure: Regenerate.
+	* config.in: Ditto.
+
 2005-04-21  Andreas Schwab  <schwab@suse.de>
 
 	* elfxx-sparc.h (struct _bfd_sparc_elf_link_hash_table): Remove
diff --git a/bfd/bfd.m4 b/bfd/bfd.m4
index cb0cb464638..1d7d53a1f21 100644
--- a/bfd/bfd.m4
+++ b/bfd/bfd.m4
@@ -1,36 +1,6 @@
 dnl This file was derived from acinclude.m4.
 
 
-dnl See whether we need a declaration for a function.
-
-AC_DEFUN([BFD_NEED_DECLARATION],
-[AC_MSG_CHECKING([whether $1 must be declared])
-AC_CACHE_VAL(bfd_cv_decl_needed_$1,
-[AC_TRY_COMPILE([
-#include <stdio.h>
-#ifdef HAVE_STRING_H
-#include <string.h>
-#else
-#ifdef HAVE_STRINGS_H
-#include <strings.h>
-#endif
-#endif
-#ifdef HAVE_STDLIB_H
-#include <stdlib.h>
-#endif
-#ifdef HAVE_UNISTD_H
-#include <unistd.h>
-#endif],
-[char *(*pfn) = (char *(*)) $1],
-bfd_cv_decl_needed_$1=no, bfd_cv_decl_needed_$1=yes)])
-AC_MSG_RESULT($bfd_cv_decl_needed_$1)
-if test $bfd_cv_decl_needed_$1 = yes; then
-  AC_DEFINE([NEED_DECLARATION_]translit($1, [a-z], [A-Z]), 1,
-	    [Define if $1 is not declared in system header files.])
-fi
-])dnl
-
-
 dnl Check for existence of a type $1 in sys/procfs.h
 
 AC_DEFUN([BFD_HAVE_SYS_PROCFS_TYPE],
diff --git a/bfd/config.in b/bfd/config.in
index 12f72390697..decd1f71125 100644
--- a/bfd/config.in
+++ b/bfd/config.in
@@ -28,6 +28,13 @@
    don't. */
 #undef HAVE_DECL_BASENAME
 
+/* Define to 1 if you have the declaration of `ffs', and to 0 if you don't. */
+#undef HAVE_DECL_FFS
+
+/* Define to 1 if you have the declaration of `free', and to 0 if you don't.
+   */
+#undef HAVE_DECL_FREE
+
 /* Define to 1 if you have the declaration of `fseeko', and to 0 if you don't.
    */
 #undef HAVE_DECL_FSEEKO
@@ -44,6 +51,22 @@
    don't. */
 #undef HAVE_DECL_FTELLO64
 
+/* Define to 1 if you have the declaration of `getenv', and to 0 if you don't.
+   */
+#undef HAVE_DECL_GETENV
+
+/* Define to 1 if you have the declaration of `malloc', and to 0 if you don't.
+   */
+#undef HAVE_DECL_MALLOC
+
+/* Define to 1 if you have the declaration of `realloc', and to 0 if you
+   don't. */
+#undef HAVE_DECL_REALLOC
+
+/* Define to 1 if you have the declaration of `strstr', and to 0 if you don't.
+   */
+#undef HAVE_DECL_STRSTR
+
 /* Define to 1 if you have the <dirent.h> header file, and it defines `DIR'.
    */
 #undef HAVE_DIRENT_H
@@ -257,24 +280,6 @@
 /* Define to 1 if you have the `__argz_stringify' function. */
 #undef HAVE___ARGZ_STRINGIFY
 
-/* Define if ffs is not declared in system header files. */
-#undef NEED_DECLARATION_FFS
-
-/* Define if free is not declared in system header files. */
-#undef NEED_DECLARATION_FREE
-
-/* Define if getenv is not declared in system header files. */
-#undef NEED_DECLARATION_GETENV
-
-/* Define if malloc is not declared in system header files. */
-#undef NEED_DECLARATION_MALLOC
-
-/* Define if realloc is not declared in system header files. */
-#undef NEED_DECLARATION_REALLOC
-
-/* Define if strstr is not declared in system header files. */
-#undef NEED_DECLARATION_STRSTR
-
 /* Name of package */
 #undef PACKAGE
 
diff --git a/bfd/configure b/bfd/configure
index 43af5887ab2..3258a3bf907 100755
--- a/bfd/configure
+++ b/bfd/configure
@@ -9916,9 +9916,9 @@ _ACEOF
  ;;
 esac
 
-echo "$as_me:$LINENO: checking whether ffs must be declared" >&5
-echo $ECHO_N "checking whether ffs must be declared... $ECHO_C" >&6
-if test "${bfd_cv_decl_needed_ffs+set}" = set; then
+echo "$as_me:$LINENO: checking whether ffs is declared" >&5
+echo $ECHO_N "checking whether ffs is declared... $ECHO_C" >&6
+if test "${ac_cv_have_decl_ffs+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   cat >conftest.$ac_ext <<_ACEOF
@@ -9927,25 +9927,14 @@ _ACEOF
 cat confdefs.h >>conftest.$ac_ext
 cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
-
-#include <stdio.h>
-#ifdef HAVE_STRING_H
-#include <string.h>
-#else
-#ifdef HAVE_STRINGS_H
-#include <strings.h>
-#endif
-#endif
-#ifdef HAVE_STDLIB_H
-#include <stdlib.h>
-#endif
-#ifdef HAVE_UNISTD_H
-#include <unistd.h>
-#endif
+$ac_includes_default
 int
 main ()
 {
-char *(*pfn) = (char *(*)) ffs
+#ifndef ffs
+  char *p = (char *) ffs;
+#endif
+
   ;
   return 0;
 }
@@ -9972,29 +9961,36 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   ac_status=$?
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; }; then
-  bfd_cv_decl_needed_ffs=no
+  ac_cv_have_decl_ffs=yes
 else
   echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-bfd_cv_decl_needed_ffs=yes
+ac_cv_have_decl_ffs=no
 fi
 rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
+echo "$as_me:$LINENO: result: $ac_cv_have_decl_ffs" >&5
+echo "${ECHO_T}$ac_cv_have_decl_ffs" >&6
+if test $ac_cv_have_decl_ffs = yes; then
 
-echo "$as_me:$LINENO: result: $bfd_cv_decl_needed_ffs" >&5
-echo "${ECHO_T}$bfd_cv_decl_needed_ffs" >&6
-if test $bfd_cv_decl_needed_ffs = yes; then
+cat >>confdefs.h <<_ACEOF
+#define HAVE_DECL_FFS 1
+_ACEOF
 
-cat >>confdefs.h <<\_ACEOF
-#define NEED_DECLARATION_FFS 1
+
+else
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_DECL_FFS 0
 _ACEOF
 
+
 fi
 
-echo "$as_me:$LINENO: checking whether free must be declared" >&5
-echo $ECHO_N "checking whether free must be declared... $ECHO_C" >&6
-if test "${bfd_cv_decl_needed_free+set}" = set; then
+
+echo "$as_me:$LINENO: checking whether free is declared" >&5
+echo $ECHO_N "checking whether free is declared... $ECHO_C" >&6
+if test "${ac_cv_have_decl_free+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   cat >conftest.$ac_ext <<_ACEOF
@@ -10003,25 +9999,14 @@ _ACEOF
 cat confdefs.h >>conftest.$ac_ext
 cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
-
-#include <stdio.h>
-#ifdef HAVE_STRING_H
-#include <string.h>
-#else
-#ifdef HAVE_STRINGS_H
-#include <strings.h>
-#endif
-#endif
-#ifdef HAVE_STDLIB_H
-#include <stdlib.h>
-#endif
-#ifdef HAVE_UNISTD_H
-#include <unistd.h>
-#endif
+$ac_includes_default
 int
 main ()
 {
-char *(*pfn) = (char *(*)) free
+#ifndef free
+  char *p = (char *) free;
+#endif
+
   ;
   return 0;
 }
@@ -10048,29 +10033,36 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   ac_status=$?
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; }; then
-  bfd_cv_decl_needed_free=no
+  ac_cv_have_decl_free=yes
 else
   echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-bfd_cv_decl_needed_free=yes
+ac_cv_have_decl_free=no
 fi
 rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
+echo "$as_me:$LINENO: result: $ac_cv_have_decl_free" >&5
+echo "${ECHO_T}$ac_cv_have_decl_free" >&6
+if test $ac_cv_have_decl_free = yes; then
+
+cat >>confdefs.h <<_ACEOF
+#define HAVE_DECL_FREE 1
+_ACEOF
 
-echo "$as_me:$LINENO: result: $bfd_cv_decl_needed_free" >&5
-echo "${ECHO_T}$bfd_cv_decl_needed_free" >&6
-if test $bfd_cv_decl_needed_free = yes; then
 
-cat >>confdefs.h <<\_ACEOF
-#define NEED_DECLARATION_FREE 1
+else
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_DECL_FREE 0
 _ACEOF
 
+
 fi
 
-echo "$as_me:$LINENO: checking whether getenv must be declared" >&5
-echo $ECHO_N "checking whether getenv must be declared... $ECHO_C" >&6
-if test "${bfd_cv_decl_needed_getenv+set}" = set; then
+
+echo "$as_me:$LINENO: checking whether getenv is declared" >&5
+echo $ECHO_N "checking whether getenv is declared... $ECHO_C" >&6
+if test "${ac_cv_have_decl_getenv+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   cat >conftest.$ac_ext <<_ACEOF
@@ -10079,25 +10071,14 @@ _ACEOF
 cat confdefs.h >>conftest.$ac_ext
 cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
-
-#include <stdio.h>
-#ifdef HAVE_STRING_H
-#include <string.h>
-#else
-#ifdef HAVE_STRINGS_H
-#include <strings.h>
-#endif
-#endif
-#ifdef HAVE_STDLIB_H
-#include <stdlib.h>
-#endif
-#ifdef HAVE_UNISTD_H
-#include <unistd.h>
-#endif
+$ac_includes_default
 int
 main ()
 {
-char *(*pfn) = (char *(*)) getenv
+#ifndef getenv
+  char *p = (char *) getenv;
+#endif
+
   ;
   return 0;
 }
@@ -10124,29 +10105,36 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   ac_status=$?
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; }; then
-  bfd_cv_decl_needed_getenv=no
+  ac_cv_have_decl_getenv=yes
 else
   echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-bfd_cv_decl_needed_getenv=yes
+ac_cv_have_decl_getenv=no
 fi
 rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
+echo "$as_me:$LINENO: result: $ac_cv_have_decl_getenv" >&5
+echo "${ECHO_T}$ac_cv_have_decl_getenv" >&6
+if test $ac_cv_have_decl_getenv = yes; then
 
-echo "$as_me:$LINENO: result: $bfd_cv_decl_needed_getenv" >&5
-echo "${ECHO_T}$bfd_cv_decl_needed_getenv" >&6
-if test $bfd_cv_decl_needed_getenv = yes; then
+cat >>confdefs.h <<_ACEOF
+#define HAVE_DECL_GETENV 1
+_ACEOF
 
-cat >>confdefs.h <<\_ACEOF
-#define NEED_DECLARATION_GETENV 1
+
+else
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_DECL_GETENV 0
 _ACEOF
 
+
 fi
 
-echo "$as_me:$LINENO: checking whether malloc must be declared" >&5
-echo $ECHO_N "checking whether malloc must be declared... $ECHO_C" >&6
-if test "${bfd_cv_decl_needed_malloc+set}" = set; then
+
+echo "$as_me:$LINENO: checking whether malloc is declared" >&5
+echo $ECHO_N "checking whether malloc is declared... $ECHO_C" >&6
+if test "${ac_cv_have_decl_malloc+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   cat >conftest.$ac_ext <<_ACEOF
@@ -10155,25 +10143,14 @@ _ACEOF
 cat confdefs.h >>conftest.$ac_ext
 cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
-
-#include <stdio.h>
-#ifdef HAVE_STRING_H
-#include <string.h>
-#else
-#ifdef HAVE_STRINGS_H
-#include <strings.h>
-#endif
-#endif
-#ifdef HAVE_STDLIB_H
-#include <stdlib.h>
-#endif
-#ifdef HAVE_UNISTD_H
-#include <unistd.h>
-#endif
+$ac_includes_default
 int
 main ()
 {
-char *(*pfn) = (char *(*)) malloc
+#ifndef malloc
+  char *p = (char *) malloc;
+#endif
+
   ;
   return 0;
 }
@@ -10200,29 +10177,36 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   ac_status=$?
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; }; then
-  bfd_cv_decl_needed_malloc=no
+  ac_cv_have_decl_malloc=yes
 else
   echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-bfd_cv_decl_needed_malloc=yes
+ac_cv_have_decl_malloc=no
 fi
 rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
+echo "$as_me:$LINENO: result: $ac_cv_have_decl_malloc" >&5
+echo "${ECHO_T}$ac_cv_have_decl_malloc" >&6
+if test $ac_cv_have_decl_malloc = yes; then
 
-echo "$as_me:$LINENO: result: $bfd_cv_decl_needed_malloc" >&5
-echo "${ECHO_T}$bfd_cv_decl_needed_malloc" >&6
-if test $bfd_cv_decl_needed_malloc = yes; then
+cat >>confdefs.h <<_ACEOF
+#define HAVE_DECL_MALLOC 1
+_ACEOF
 
-cat >>confdefs.h <<\_ACEOF
-#define NEED_DECLARATION_MALLOC 1
+
+else
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_DECL_MALLOC 0
 _ACEOF
 
+
 fi
 
-echo "$as_me:$LINENO: checking whether realloc must be declared" >&5
-echo $ECHO_N "checking whether realloc must be declared... $ECHO_C" >&6
-if test "${bfd_cv_decl_needed_realloc+set}" = set; then
+
+echo "$as_me:$LINENO: checking whether realloc is declared" >&5
+echo $ECHO_N "checking whether realloc is declared... $ECHO_C" >&6
+if test "${ac_cv_have_decl_realloc+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   cat >conftest.$ac_ext <<_ACEOF
@@ -10231,25 +10215,14 @@ _ACEOF
 cat confdefs.h >>conftest.$ac_ext
 cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
-
-#include <stdio.h>
-#ifdef HAVE_STRING_H
-#include <string.h>
-#else
-#ifdef HAVE_STRINGS_H
-#include <strings.h>
-#endif
-#endif
-#ifdef HAVE_STDLIB_H
-#include <stdlib.h>
-#endif
-#ifdef HAVE_UNISTD_H
-#include <unistd.h>
-#endif
+$ac_includes_default
 int
 main ()
 {
-char *(*pfn) = (char *(*)) realloc
+#ifndef realloc
+  char *p = (char *) realloc;
+#endif
+
   ;
   return 0;
 }
@@ -10276,29 +10249,36 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   ac_status=$?
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; }; then
-  bfd_cv_decl_needed_realloc=no
+  ac_cv_have_decl_realloc=yes
 else
   echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-bfd_cv_decl_needed_realloc=yes
+ac_cv_have_decl_realloc=no
 fi
 rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
+echo "$as_me:$LINENO: result: $ac_cv_have_decl_realloc" >&5
+echo "${ECHO_T}$ac_cv_have_decl_realloc" >&6
+if test $ac_cv_have_decl_realloc = yes; then
+
+cat >>confdefs.h <<_ACEOF
+#define HAVE_DECL_REALLOC 1
+_ACEOF
 
-echo "$as_me:$LINENO: result: $bfd_cv_decl_needed_realloc" >&5
-echo "${ECHO_T}$bfd_cv_decl_needed_realloc" >&6
-if test $bfd_cv_decl_needed_realloc = yes; then
 
-cat >>confdefs.h <<\_ACEOF
-#define NEED_DECLARATION_REALLOC 1
+else
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_DECL_REALLOC 0
 _ACEOF
 
+
 fi
 
-echo "$as_me:$LINENO: checking whether strstr must be declared" >&5
-echo $ECHO_N "checking whether strstr must be declared... $ECHO_C" >&6
-if test "${bfd_cv_decl_needed_strstr+set}" = set; then
+
+echo "$as_me:$LINENO: checking whether strstr is declared" >&5
+echo $ECHO_N "checking whether strstr is declared... $ECHO_C" >&6
+if test "${ac_cv_have_decl_strstr+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   cat >conftest.$ac_ext <<_ACEOF
@@ -10307,25 +10287,14 @@ _ACEOF
 cat confdefs.h >>conftest.$ac_ext
 cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
-
-#include <stdio.h>
-#ifdef HAVE_STRING_H
-#include <string.h>
-#else
-#ifdef HAVE_STRINGS_H
-#include <strings.h>
-#endif
-#endif
-#ifdef HAVE_STDLIB_H
-#include <stdlib.h>
-#endif
-#ifdef HAVE_UNISTD_H
-#include <unistd.h>
-#endif
+$ac_includes_default
 int
 main ()
 {
-char *(*pfn) = (char *(*)) strstr
+#ifndef strstr
+  char *p = (char *) strstr;
+#endif
+
   ;
   return 0;
 }
@@ -10352,27 +10321,34 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   ac_status=$?
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; }; then
-  bfd_cv_decl_needed_strstr=no
+  ac_cv_have_decl_strstr=yes
 else
   echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-bfd_cv_decl_needed_strstr=yes
+ac_cv_have_decl_strstr=no
 fi
 rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
+echo "$as_me:$LINENO: result: $ac_cv_have_decl_strstr" >&5
+echo "${ECHO_T}$ac_cv_have_decl_strstr" >&6
+if test $ac_cv_have_decl_strstr = yes; then
 
-echo "$as_me:$LINENO: result: $bfd_cv_decl_needed_strstr" >&5
-echo "${ECHO_T}$bfd_cv_decl_needed_strstr" >&6
-if test $bfd_cv_decl_needed_strstr = yes; then
+cat >>confdefs.h <<_ACEOF
+#define HAVE_DECL_STRSTR 1
+_ACEOF
 
-cat >>confdefs.h <<\_ACEOF
-#define NEED_DECLARATION_STRSTR 1
+
+else
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_DECL_STRSTR 0
 _ACEOF
 
+
 fi
 
 
+
 # If we are configured native, pick a core file support file.
 COREFILE=
 COREFLAG=
diff --git a/bfd/configure.in b/bfd/configure.in
index 97b22bea33f..3870090d95d 100644
--- a/bfd/configure.in
+++ b/bfd/configure.in
@@ -135,12 +135,12 @@ AC_CHECK_DECLS(fseeko64)
 
 BFD_BINARY_FOPEN
 
-BFD_NEED_DECLARATION(ffs)
-BFD_NEED_DECLARATION(free)
-BFD_NEED_DECLARATION(getenv)
-BFD_NEED_DECLARATION(malloc)
-BFD_NEED_DECLARATION(realloc)
-BFD_NEED_DECLARATION(strstr)
+AC_CHECK_DECLS(ffs)
+AC_CHECK_DECLS(free)
+AC_CHECK_DECLS(getenv)
+AC_CHECK_DECLS(malloc)
+AC_CHECK_DECLS(realloc)
+AC_CHECK_DECLS(strstr)
 
 # If we are configured native, pick a core file support file.
 COREFILE=
diff --git a/bfd/sysdep.h b/bfd/sysdep.h
index b3c917f0528..d51ebfa13a4 100644
--- a/bfd/sysdep.h
+++ b/bfd/sysdep.h
@@ -105,27 +105,27 @@ extern char *strrchr ();
 
 #include "filenames.h"
 
-#ifdef NEED_DECLARATION_FFS
+#if !HAVE_DECL_FFS
 extern int ffs (int);
 #endif
 
-#ifdef NEED_DECLARATION_FREE
+#if !HAVE_DECL_FREE
 extern void free ();
 #endif
 
-#ifdef NEED_DECLARATION_GETENV
+#if !HAVE_DECL_GETENV
 extern char *getenv ();
 #endif
 
-#ifdef NEED_DECLARATION_MALLOC
+#if !HAVE_DECL_MALLOC
 extern PTR malloc ();
 #endif
 
-#ifdef NEED_DECLARATION_REALLOC
+#if !HAVE_DECL_REALLOC
 extern PTR realloc ();
 #endif
 
-#ifdef NEED_DECLARATION_STRSTR
+#if !HAVE_DECL_STRSTR
 extern char *strstr ();
 #endif