merge from gcc

6 files changed, 142 insertions, 66 deletions

diff --git a/libiberty/ChangeLog b/libiberty/ChangeLog
index 3e129d2dc7d..d15e15a7d7c 100644
--- a/libiberty/ChangeLog
+++ b/libiberty/ChangeLog
@@ -1,3 +1,18 @@
+2003-02-22  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+	* configure.in: Check for sys/systemcfg.h and
+	_system_configuration.
+	* physmem.c: Add support for AIX.  Tweek formatting as per
+	upstream coreutils beta.
+
+2003-02-22  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+	    Richard Earnshaw  <rearnsha@arm.com>
+	    Geoffrey Keating  <geoffk@apple.com>
+
+	* configure.in: Check for sys/sysctl.h and sysctl.
+	* physmem.c: Add support for *bsd and darwin.
+	* Makefile.in: Generate depedency for physmem.o.
+
 2003-02-21  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
 
 	* physmem.c (physmem_total) [HAVE_GETSYSINFO]: Use getsysinfo on
diff --git a/libiberty/Makefile.in b/libiberty/Makefile.in
index a12ebb156f4..064179669bd 100644
--- a/libiberty/Makefile.in
+++ b/libiberty/Makefile.in
@@ -466,6 +466,7 @@ pex-msdos.o: config.h pex-common.h $(INCDIR)/ansidecl.h $(INCDIR)/libiberty.h \
 pex-os2.o: config.h pex-common.h $(INCDIR)/ansidecl.h $(INCDIR)/libiberty.h
 pex-unix.o: config.h pex-common.h $(INCDIR)/ansidecl.h $(INCDIR)/libiberty.h
 pex-win32.o: config.h pex-common.h $(INCDIR)/ansidecl.h $(INCDIR)/libiberty.h
+physmem.o: config.h $(INCDIR)/libiberty.h
 putenv.o: config.h $(INCDIR)/ansidecl.h
 random.o: $(INCDIR)/ansidecl.h
 regex.o: config.h $(INCDIR)/xregex.h $(INCDIR)/xregex2.h
diff --git a/libiberty/config.in b/libiberty/config.in
index cd2e7356e5f..f0e174696cb 100644
--- a/libiberty/config.in
+++ b/libiberty/config.in
@@ -183,6 +183,9 @@
 /* Define if you have the sysconf function.  */
 #undef HAVE_SYSCONF
 
+/* Define if you have the sysctl function.  */
+#undef HAVE_SYSCTL
+
 /* Define if you have the sysmp function.  */
 #undef HAVE_SYSMP
 
@@ -249,12 +252,18 @@
 /* Define if you have the <sys/stat.h> header file.  */
 #undef HAVE_SYS_STAT_H
 
+/* Define if you have the <sys/sysctl.h> header file.  */
+#undef HAVE_SYS_SYSCTL_H
+
 /* Define if you have the <sys/sysinfo.h> header file.  */
 #undef HAVE_SYS_SYSINFO_H
 
 /* Define if you have the <sys/sysmp.h> header file.  */
 #undef HAVE_SYS_SYSMP_H
 
+/* Define if you have the <sys/systemcfg.h> header file.  */
+#undef HAVE_SYS_SYSTEMCFG_H
+
 /* Define if you have the <sys/table.h> header file.  */
 #undef HAVE_SYS_TABLE_H
 
@@ -282,6 +291,9 @@
 /* Define if you have the sys_siglist variable. */
 #undef HAVE_SYS_SIGLIST
 
+/* Define if you have the _system_configuration variable. */
+#undef HAVE__SYSTEM_CONFIGURATION
+
 /* Define to one of _getb67, GETB67, getb67 for Cray-2 and Cray-YMP
    systems. This function is required for alloca.c support on those
    systems. */
diff --git a/libiberty/configure b/libiberty/configure
index 4d5b9ac33fc..3f46ebfc38f 100755
--- a/libiberty/configure
+++ b/libiberty/configure
@@ -1356,7 +1356,7 @@ else
 fi
 echo "$ac_t""$CPP" 1>&6
 
-for ac_hdr in sys/file.h sys/param.h limits.h stdlib.h string.h unistd.h strings.h sys/time.h time.h sys/resource.h sys/stat.h sys/mman.h fcntl.h alloca.h sys/pstat.h sys/sysmp.h sys/sysinfo.h machine/hal_sysinfo.h sys/table.h
+for ac_hdr in sys/file.h sys/param.h limits.h stdlib.h string.h unistd.h strings.h sys/time.h time.h sys/resource.h sys/stat.h sys/mman.h fcntl.h alloca.h sys/pstat.h sys/sysmp.h sys/sysinfo.h machine/hal_sysinfo.h sys/table.h sys/sysctl.h sys/systemcfg.h
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
@@ -1735,11 +1735,11 @@ funcs="$funcs waitpid"
 
 # Also in the old function.def file: alloca, vfork, getopt.
 
-vars="sys_errlist sys_nerr sys_siglist"
+vars="sys_errlist sys_nerr sys_siglist _system_configuration"
 
 checkfuncs="getrusage on_exit psignal strerror strsignal sysconf times sbrk gettimeofday"
 checkfuncs="$checkfuncs realpath canonicalize_file_name pstat_getstatic pstat_getdynamic sysmp"
-checkfuncs="$checkfuncs getsysinfo table"
+checkfuncs="$checkfuncs getsysinfo table sysctl"
 
 # These are neither executed nor required, but they help keep
 # autoheader happy without adding a bunch of text to acconfig.h.
@@ -2129,7 +2129,7 @@ else
 fi
 done
 
-  for ac_func in pstat_getstatic pstat_getdynamic sysmp getsysinfo table
+  for ac_func in pstat_getstatic pstat_getdynamic sysmp getsysinfo table sysctl
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
 echo "configure:2136: checking for $ac_func" >&5
@@ -2251,6 +2251,10 @@ EOF
 #define HAVE_SYS_SIGLIST 1
 EOF
 
+  cat >> confdefs.h <<\EOF
+#define HAVE__SYSTEM_CONFIGURATION 1
+EOF
+
 fi
 
 # For each of these functions, if the host does not provide the
@@ -2445,7 +2449,7 @@ if test -z "${setobjs}"; then
   # We haven't set the list of objects yet.  Use the standard autoconf
   # tests.  This will only work if the compiler works.
   echo $ac_n "checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works""... $ac_c" 1>&6
-echo "configure:2449: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works" >&5
+echo "configure:2453: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works" >&5
 
 ac_ext=c
 # CFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
@@ -2456,12 +2460,12 @@ cross_compiling=$ac_cv_prog_cc_cross
 
 cat > conftest.$ac_ext << EOF
 
-#line 2460 "configure"
+#line 2464 "configure"
 #include "confdefs.h"
 
 main(){return(0);}
 EOF
-if { (eval echo configure:2465: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2469: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   ac_cv_prog_cc_works=yes
   # If we can't run a trivial program, we are probably using a cross compiler.
   if (./conftest; exit) 2>/dev/null; then
@@ -2487,19 +2491,19 @@ if test $ac_cv_prog_cc_works = no; then
   { echo "configure: error: installation or configuration problem: C compiler cannot create executables." 1>&2; exit 1; }
 fi
 echo $ac_n "checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler""... $ac_c" 1>&6
-echo "configure:2491: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler" >&5
+echo "configure:2495: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler" >&5
 echo "$ac_t""$ac_cv_prog_cc_cross" 1>&6
 cross_compiling=$ac_cv_prog_cc_cross
 
   for ac_func in $funcs
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:2498: checking for $ac_func" >&5
+echo "configure:2502: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2503 "configure"
+#line 2507 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -2522,7 +2526,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:2526: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2530: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -2549,12 +2553,12 @@ done
 
 
   echo $ac_n "checking whether alloca needs Cray hooks""... $ac_c" 1>&6
-echo "configure:2553: checking whether alloca needs Cray hooks" >&5
+echo "configure:2557: checking whether alloca needs Cray hooks" >&5
 if eval "test \"`echo '$''{'ac_cv_os_cray'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2558 "configure"
+#line 2562 "configure"
 #include "confdefs.h"
 #if defined(CRAY) && ! defined(CRAY2)
 webecray
@@ -2579,12 +2583,12 @@ echo "$ac_t""$ac_cv_os_cray" 1>&6
 if test $ac_cv_os_cray = yes; then
   for ac_func in _getb67 GETB67 getb67; do
     echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:2583: checking for $ac_func" >&5
+echo "configure:2587: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2588 "configure"
+#line 2592 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -2607,7 +2611,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:2611: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2615: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -2633,7 +2637,7 @@ fi
 fi
 
 echo $ac_n "checking stack direction for C alloca""... $ac_c" 1>&6
-echo "configure:2637: checking stack direction for C alloca" >&5
+echo "configure:2641: checking stack direction for C alloca" >&5
 if eval "test \"`echo '$''{'ac_cv_c_stack_direction'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2641,7 +2645,7 @@ else
   ac_cv_c_stack_direction=0
 else
   cat > conftest.$ac_ext <<EOF
-#line 2645 "configure"
+#line 2649 "configure"
 #include "confdefs.h"
 find_stack_direction ()
 {
@@ -2660,7 +2664,7 @@ main ()
   exit (find_stack_direction() < 0);
 }
 EOF
-if { (eval echo configure:2664: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:2668: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   ac_cv_c_stack_direction=1
 else
@@ -2682,17 +2686,17 @@ EOF
 
   ac_safe=`echo "vfork.h" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for vfork.h""... $ac_c" 1>&6
-echo "configure:2686: checking for vfork.h" >&5
+echo "configure:2690: checking for vfork.h" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2691 "configure"
+#line 2695 "configure"
 #include "confdefs.h"
 #include <vfork.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:2696: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:2700: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -2717,18 +2721,18 @@ else
 fi
 
 echo $ac_n "checking for working vfork""... $ac_c" 1>&6
-echo "configure:2721: checking for working vfork" >&5
+echo "configure:2725: checking for working vfork" >&5
 if eval "test \"`echo '$''{'ac_cv_func_vfork_works'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   if test "$cross_compiling" = yes; then
   echo $ac_n "checking for vfork""... $ac_c" 1>&6
-echo "configure:2727: checking for vfork" >&5
+echo "configure:2731: checking for vfork" >&5
 if eval "test \"`echo '$''{'ac_cv_func_vfork'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2732 "configure"
+#line 2736 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char vfork(); below.  */
@@ -2751,7 +2755,7 @@ vfork();
 
 ; return 0; }
 EOF
-if { (eval echo configure:2755: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2759: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_vfork=yes"
 else
@@ -2773,7 +2777,7 @@ fi
 ac_cv_func_vfork_works=$ac_cv_func_vfork
 else
   cat > conftest.$ac_ext <<EOF
-#line 2777 "configure"
+#line 2781 "configure"
 #include "confdefs.h"
 /* Thanks to Paul Eggert for this test.  */
 #include <stdio.h>
@@ -2868,7 +2872,7 @@ main() {
   }
 }
 EOF
-if { (eval echo configure:2872: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:2876: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   ac_cv_func_vfork_works=yes
 else
@@ -2900,12 +2904,12 @@ fi
     for ac_func in _doprnt
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:2904: checking for $ac_func" >&5
+echo "configure:2908: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2909 "configure"
+#line 2913 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -2928,7 +2932,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:2932: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2936: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -2958,12 +2962,12 @@ done
     for ac_func in _doprnt
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:2962: checking for $ac_func" >&5
+echo "configure:2966: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2967 "configure"
+#line 2971 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -2986,7 +2990,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:2990: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2994: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -3014,19 +3018,19 @@ done
 
   for v in $vars; do
     echo $ac_n "checking for $v""... $ac_c" 1>&6
-echo "configure:3018: checking for $v" >&5
+echo "configure:3022: checking for $v" >&5
     if eval "test \"`echo '$''{'libiberty_cv_var_$v'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3023 "configure"
+#line 3027 "configure"
 #include "confdefs.h"
 int *p;
 int main() {
 extern int $v []; p = $v;
 ; return 0; }
 EOF
-if { (eval echo configure:3030: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3034: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "libiberty_cv_var_$v=yes"
 else
@@ -3052,12 +3056,12 @@ EOF
   for ac_func in $checkfuncs
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:3056: checking for $ac_func" >&5
+echo "configure:3060: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3061 "configure"
+#line 3065 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -3080,7 +3084,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:3084: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3088: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -3105,12 +3109,12 @@ fi
 done
 
   echo $ac_n "checking whether canonicalize_file_name must be declared""... $ac_c" 1>&6
-echo "configure:3109: checking whether canonicalize_file_name must be declared" >&5
+echo "configure:3113: checking whether canonicalize_file_name must be declared" >&5
 if eval "test \"`echo '$''{'libiberty_cv_decl_needed_canonicalize_file_name'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3114 "configure"
+#line 3118 "configure"
 #include "confdefs.h"
 
 #include "confdefs.h"
@@ -3132,7 +3136,7 @@ int main() {
 char *(*pfn) = (char *(*)) canonicalize_file_name
 ; return 0; }
 EOF
-if { (eval echo configure:3136: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3140: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   libiberty_cv_decl_needed_canonicalize_file_name=no
 else
@@ -3168,17 +3172,17 @@ for ac_hdr in unistd.h
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:3172: checking for $ac_hdr" >&5
+echo "configure:3176: checking for $ac_hdr" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3177 "configure"
+#line 3181 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:3182: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:3186: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -3207,12 +3211,12 @@ done
 for ac_func in getpagesize
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:3211: checking for $ac_func" >&5
+echo "configure:3215: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3216 "configure"
+#line 3220 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -3235,7 +3239,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:3239: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3243: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -3260,7 +3264,7 @@ fi
 done
 
 echo $ac_n "checking for working mmap""... $ac_c" 1>&6
-echo "configure:3264: checking for working mmap" >&5
+echo "configure:3268: checking for working mmap" >&5
 if eval "test \"`echo '$''{'ac_cv_func_mmap_fixed_mapped'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3268,7 +3272,7 @@ else
   ac_cv_func_mmap_fixed_mapped=no
 else
   cat > conftest.$ac_ext <<EOF
-#line 3272 "configure"
+#line 3276 "configure"
 #include "confdefs.h"
 
 /* Thanks to Mike Haertel and Jim Avera for this test.
@@ -3408,7 +3412,7 @@ main()
 }
 
 EOF
-if { (eval echo configure:3412: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:3416: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   ac_cv_func_mmap_fixed_mapped=yes
 else
@@ -3432,7 +3436,7 @@ fi
 
 
 echo $ac_n "checking for working strncmp""... $ac_c" 1>&6
-echo "configure:3436: checking for working strncmp" >&5
+echo "configure:3440: checking for working strncmp" >&5
 if eval "test \"`echo '$''{'ac_cv_func_strncmp_works'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3440,7 +3444,7 @@ else
   ac_cv_func_strncmp_works=no
 else
   cat > conftest.$ac_ext <<EOF
-#line 3444 "configure"
+#line 3448 "configure"
 #include "confdefs.h"
 
 /* Test by Jim Wilson and Kaveh Ghazi.
@@ -3504,7 +3508,7 @@ main ()
 }
 
 EOF
-if { (eval echo configure:3508: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:3512: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   ac_cv_func_strncmp_works=yes
 else
diff --git a/libiberty/configure.in b/libiberty/configure.in
index 3b842fcd687..5b38660f10b 100644
--- a/libiberty/configure.in
+++ b/libiberty/configure.in
@@ -142,7 +142,7 @@ AC_SUBST_FILE(host_makefile_frag)
 # It's OK to check for header files.  Although the compiler may not be
 # able to link anything, it had better be able to at least compile
 # something.
-AC_CHECK_HEADERS(sys/file.h sys/param.h limits.h stdlib.h string.h unistd.h strings.h sys/time.h time.h sys/resource.h sys/stat.h sys/mman.h fcntl.h alloca.h sys/pstat.h sys/sysmp.h sys/sysinfo.h machine/hal_sysinfo.h sys/table.h)
+AC_CHECK_HEADERS(sys/file.h sys/param.h limits.h stdlib.h string.h unistd.h strings.h sys/time.h time.h sys/resource.h sys/stat.h sys/mman.h fcntl.h alloca.h sys/pstat.h sys/sysmp.h sys/sysinfo.h machine/hal_sysinfo.h sys/table.h sys/sysctl.h sys/systemcfg.h)
 AC_HEADER_SYS_WAIT
 AC_HEADER_TIME
 
@@ -204,11 +204,11 @@ funcs="$funcs waitpid"
 
 # Also in the old function.def file: alloca, vfork, getopt.
 
-vars="sys_errlist sys_nerr sys_siglist"
+vars="sys_errlist sys_nerr sys_siglist _system_configuration"
 
 checkfuncs="getrusage on_exit psignal strerror strsignal sysconf times sbrk gettimeofday"
 checkfuncs="$checkfuncs realpath canonicalize_file_name pstat_getstatic pstat_getdynamic sysmp"
-checkfuncs="$checkfuncs getsysinfo table"
+checkfuncs="$checkfuncs getsysinfo table sysctl"
 
 # These are neither executed nor required, but they help keep
 # autoheader happy without adding a bunch of text to acconfig.h.
@@ -220,11 +220,12 @@ if test "x" = "y"; then
   AC_CHECK_FUNCS(strtod strtol strtoul tmpnam vasprintf vfprintf vprintf)
   AC_CHECK_FUNCS(vsprintf waitpid getrusage on_exit psignal strerror strsignal)
   AC_CHECK_FUNCS(sysconf times sbrk gettimeofday ffs)
-  AC_CHECK_FUNCS(pstat_getstatic pstat_getdynamic sysmp getsysinfo table)
+  AC_CHECK_FUNCS(pstat_getstatic pstat_getdynamic sysmp getsysinfo table sysctl)
   AC_CHECK_FUNCS(realpath canonicalize_file_name)
   AC_DEFINE(HAVE_SYS_ERRLIST, 1, [Define if you have the sys_errlist variable.])
   AC_DEFINE(HAVE_SYS_NERR,    1, [Define if you have the sys_nerr variable.])
   AC_DEFINE(HAVE_SYS_SIGLIST, 1, [Define if you have the sys_siglist variable.])
+  AC_DEFINE(HAVE__SYSTEM_CONFIGURATION, 1, [Define if you have the _system_configuration variable.])
 fi
 
 # For each of these functions, if the host does not provide the
diff --git a/libiberty/physmem.c b/libiberty/physmem.c
index 2011f0251bd..80fdd7975e9 100644
--- a/libiberty/physmem.c
+++ b/libiberty/physmem.c
@@ -15,7 +15,7 @@
    along with this program; if not, write to the Free Software Foundation,
    Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
 
-/* Written by Paul Eggert and Jim Meyering.  */
+/* Written by Paul Eggert.  */
 
 #if HAVE_CONFIG_H
 # include <config.h>
@@ -30,16 +30,30 @@
 #endif
 
 #if HAVE_SYS_SYSMP_H
-#include <sys/sysmp.h>
+# include <sys/sysmp.h>
 #endif
 
 #if HAVE_SYS_SYSINFO_H && HAVE_MACHINE_HAL_SYSINFO_H
-#  include <sys/sysinfo.h>
-#  include <machine/hal_sysinfo.h>
+# include <sys/sysinfo.h>
+# include <machine/hal_sysinfo.h>
 #endif
 
 #if HAVE_SYS_TABLE_H
-#  include <sys/table.h>
+# include <sys/table.h>
+#endif
+
+#include <sys/types.h>
+
+#if HAVE_SYS_PARAM_H
+# include <sys/param.h>
+#endif
+
+#if HAVE_SYS_SYSCTL_H
+# include <sys/sysctl.h>
+#endif
+
+#if HAVE_SYS_SYSTEMCFG_H
+# include <sys/systemcfg.h>
 #endif
 
 #include "libiberty.h"
@@ -73,7 +87,7 @@ physmem_total ()
 #if HAVE_SYSMP && defined MP_SAGET && defined MPSA_RMINFO && defined _SC_PAGESIZE
   { /* This works on irix6. */
     struct rminfo realmem;
-    if (sysmp(MP_SAGET, MPSA_RMINFO, &realmem, sizeof(realmem)) == 0)
+    if (sysmp (MP_SAGET, MPSA_RMINFO, &realmem, sizeof realmem) == 0)
       {
 	double pagesize = sysconf (_SC_PAGESIZE);
 	double pages = realmem.physmem;
@@ -98,6 +112,23 @@ physmem_total ()
   }
 #endif
 
+#if HAVE_SYSCTL && defined HW_PHYSMEM
+  { /* This works on *bsd and darwin.  */
+    unsigned int physmem;
+    size_t len = sizeof(physmem);
+    static int mib[2] = {CTL_HW, HW_PHYSMEM};
+
+    if (sysctl(mib, ARRAY_SIZE(mib), &physmem, &len, NULL, 0) == 0
+	&& len == sizeof (physmem))
+      return (double)physmem;
+  }
+#endif
+
+#if HAVE__SYSTEM_CONFIGURATION
+  /* This works on AIX.  */
+  return _system_configuration.physmem;
+#endif
+
   /* Return 0 if we can't determine the value.  */
   return 0;
 }
@@ -133,7 +164,7 @@ physmem_available ()
 #if HAVE_SYSMP && defined MP_SAGET && defined MPSA_RMINFO && defined _SC_PAGESIZE
   { /* This works on irix6. */
     struct rminfo realmem;
-    if (sysmp(MP_SAGET, MPSA_RMINFO, &realmem, sizeof(realmem)) == 0)
+    if (sysmp (MP_SAGET, MPSA_RMINFO, &realmem, sizeof realmem) == 0)
       {
 	double pagesize = sysconf (_SC_PAGESIZE);
 	double pages = realmem.availrmem;
@@ -158,6 +189,18 @@ physmem_available ()
   }
 #endif
 
+#if HAVE_SYSCTL && defined HW_USERMEM
+  { /* This works on *bsd and darwin.  */
+    unsigned int usermem;
+    size_t len = sizeof(usermem);
+    static int mib[2] = {CTL_HW, HW_USERMEM};
+
+    if (sysctl(mib, ARRAY_SIZE(mib), &usermem, &len, NULL, 0) == 0
+	&& len == sizeof (usermem))
+      return (double)usermem;
+  }
+#endif
+
   /* Guess 25% of physical memory.  */
   return physmem_total () / 4;
 }