configure.in: Check for sys/sysctl.h and sysctl.

	* configure.in: Check for sys/sysctl.h and sysctl.
	* physmem.c: Add support for *bsd and darwin.
	* Makefile.in: Generate depedency for physmem.o.

Co-Authored-By: Geoffrey Keating <geoffk@apple.com>
Co-Authored-By: Richard Earnshaw <rearnsha@arm.com>

From-SVN: r63285

libiberty/ChangeLog

+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

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

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
 
@@ -249,6 +252,9 @@
 /* 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
 

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
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
@@ -1739,7 +1739,7 @@ vars="sys_errlist sys_nerr sys_siglist"
 
 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

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)
 AC_HEADER_SYS_WAIT
 AC_HEADER_TIME
 
@@ -208,7 +208,7 @@ vars="sys_errlist sys_nerr sys_siglist"
 
 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.
@@ -220,7 +220,7 @@ 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.])

libiberty/physmem.c

@@ -42,6 +42,16 @@
 #  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
+
 #include "libiberty.h"
 
 /* Return the total amount of physical memory.  */
@@ -98,6 +108,18 @@ 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
+
   /* Return 0 if we can't determine the value.  */
   return 0;
 }
@@ -158,6 +180,18 @@ 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;
 }