2003-02-07 Jeff Johnston <jjohnstn@redhat.com>

        * acinclude.m4 (--disable-newlib-supplied-syscalls): New configuration
        option to allow disabling of syscalls being supplied in newlib.
        * aclocal.m4: Regenerated.
        * configure: Ditto.
        * configure.host: Add support of new configuration option and add
        -D__NO_SYSCALLS__ if newlib supplied syscalls are disabled.
        * doc/aclocal.m4: Regenerated.
        * doc/configure: Ditto.
        * libc/*aclocal.m4: Ditto.
        * libc/*configure: Ditto.
        * libm/*aclocal.m4: Ditto.
        * libm/*configure: Ditto.
        * libc/sys/arm/Makefile.am: Don't build syscalls.o if new option
        is disabled.
        * libc/sys/arm/Makefile.in: Regenerated.

2 files changed, 79 insertions, 44 deletions

diff --git a/newlib/doc/aclocal.m4 b/newlib/doc/aclocal.m4
index c5340bf13..8e46a11f3 100644
--- a/newlib/doc/aclocal.m4
+++ b/newlib/doc/aclocal.m4
@@ -86,6 +86,16 @@ AC_ARG_ENABLE(newlib-io-float,
   *)   AC_MSG_ERROR(bad value ${enableval} for newlib-io-float option) ;;
  esac], [newlib_io_float=yes])dnl
 
+dnl Support --disable-newlib-supplied-syscalls
+AC_ARG_ENABLE(newlib-supplied-syscalls,
+[  --disable-newlib-supplied-syscalls disable newlib from supplying syscalls],
+[case "${enableval}" in
+  yes) newlib_may_supply_syscalls=yes ;;
+  no)  newlib_may_supply_syscalls=no ;;
+  *)   AC_MSG_ERROR(bad value ${enableval} for newlib-supplied-syscalls option) ;;
+ esac], [newlib_may_supply_syscalls=yes])dnl
+
+AM_CONDITIONAL(MAY_SUPPLY_SYSCALLS, test x[$]{newlib_may_supply_syscalls} = xyes)
 
 dnl We may get other options which we don't document:
 dnl --with-target-subdir, --with-multisrctop, --with-multisubdir
@@ -289,6 +299,19 @@ else
 fi
 AC_SUBST($1)])
 
+# Define a conditional.
+
+AC_DEFUN(AM_CONDITIONAL,
+[AC_SUBST($1_TRUE)
+AC_SUBST($1_FALSE)
+if $2; then
+  $1_TRUE=
+  $1_FALSE='#'
+else
+  $1_TRUE='#'
+  $1_FALSE=
+fi])
+
 # Add --enable-maintainer-mode option to configure.
 # From Jim Meyering
 
@@ -309,16 +332,3 @@ AC_DEFUN(AM_MAINTAINER_MODE,
 ]
 )
 
-# Define a conditional.
-
-AC_DEFUN(AM_CONDITIONAL,
-[AC_SUBST($1_TRUE)
-AC_SUBST($1_FALSE)
-if $2; then
-  $1_TRUE=
-  $1_FALSE='#'
-else
-  $1_TRUE='#'
-  $1_FALSE=
-fi])
-
diff --git a/newlib/doc/configure b/newlib/doc/configure
index 9929cf205..14e4c9b9c 100755
--- a/newlib/doc/configure
+++ b/newlib/doc/configure
@@ -26,6 +26,8 @@ ac_help="$ac_help
 ac_help="$ac_help
   --disable-newlib-io-float disable printf/scanf family float support"
 ac_help="$ac_help
+  --disable-newlib-supplied-syscalls disable newlib from supplying syscalls"
+ac_help="$ac_help
   --enable-maintainer-mode enable make rules and dependencies not useful
                           (and sometimes confusing) to the casual installer"
 
@@ -582,7 +584,7 @@ ac_configure=$ac_aux_dir/configure # This should be Cygnus configure.
 # SVR4 /usr/ucb/install, which tries to use the nonexistent group "staff"
 # ./install, which can be erroneously created by make from ./install.sh.
 echo $ac_n "checking for a BSD compatible install""... $ac_c" 1>&6
-echo "configure:586: checking for a BSD compatible install" >&5
+echo "configure:588: checking for a BSD compatible install" >&5
 if test -z "$INSTALL"; then
 if eval "test \"`echo '$''{'ac_cv_path_install'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -635,7 +637,7 @@ test -z "$INSTALL_SCRIPT" && INSTALL_SCRIPT='${INSTALL_PROGRAM}'
 test -z "$INSTALL_DATA" && INSTALL_DATA='${INSTALL} -m 644'
 
 echo $ac_n "checking whether build environment is sane""... $ac_c" 1>&6
-echo "configure:639: checking whether build environment is sane" >&5
+echo "configure:641: checking whether build environment is sane" >&5
 # Just in case
 sleep 1
 echo timestamp > conftestfile
@@ -692,7 +694,7 @@ test "$program_suffix" != NONE &&
 test "$program_transform_name" = "" && program_transform_name="s,x,x,"
 
 echo $ac_n "checking whether ${MAKE-make} sets \${MAKE}""... $ac_c" 1>&6
-echo "configure:696: checking whether ${MAKE-make} sets \${MAKE}" >&5
+echo "configure:698: checking whether ${MAKE-make} sets \${MAKE}" >&5
 set dummy ${MAKE-make}; ac_make=`echo "$2" | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_prog_make_${ac_make}_set'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -725,12 +727,12 @@ else
 fi
 
 echo $ac_n "checking for Cygwin environment""... $ac_c" 1>&6
-echo "configure:729: checking for Cygwin environment" >&5
+echo "configure:731: checking for Cygwin environment" >&5
 if eval "test \"`echo '$''{'ac_cv_cygwin'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 734 "configure"
+#line 736 "configure"
 #include "confdefs.h"
 
 int main() {
@@ -741,7 +743,7 @@ int main() {
 return __CYGWIN__;
 ; return 0; }
 EOF
-if { (eval echo configure:745: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:747: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_cygwin=yes
 else
@@ -758,19 +760,19 @@ echo "$ac_t""$ac_cv_cygwin" 1>&6
 CYGWIN=
 test "$ac_cv_cygwin" = yes && CYGWIN=yes
 echo $ac_n "checking for mingw32 environment""... $ac_c" 1>&6
-echo "configure:762: checking for mingw32 environment" >&5
+echo "configure:764: checking for mingw32 environment" >&5
 if eval "test \"`echo '$''{'ac_cv_mingw32'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 767 "configure"
+#line 769 "configure"
 #include "confdefs.h"
 
 int main() {
 return __MINGW32__;
 ; return 0; }
 EOF
-if { (eval echo configure:774: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:776: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_mingw32=yes
 else
@@ -874,6 +876,27 @@ else
   newlib_io_float=yes
 fi
 
+# Check whether --enable-newlib-supplied-syscalls or --disable-newlib-supplied-syscalls was given.
+if test "${enable_newlib_supplied_syscalls+set}" = set; then
+  enableval="$enable_newlib_supplied_syscalls"
+  case "${enableval}" in
+  yes) newlib_may_supply_syscalls=yes ;;
+  no)  newlib_may_supply_syscalls=no ;;
+  *)   { echo "configure: error: bad value ${enableval} for newlib-supplied-syscalls option" 1>&2; exit 1; } ;;
+ esac
+else
+  newlib_may_supply_syscalls=yes
+fi
+
+
+
+if test x${newlib_may_supply_syscalls} = xyes; then
+  MAY_SUPPLY_SYSCALLS_TRUE=
+  MAY_SUPPLY_SYSCALLS_FALSE='#'
+else
+  MAY_SUPPLY_SYSCALLS_TRUE='#'
+  MAY_SUPPLY_SYSCALLS_FALSE=
+fi
 
 
 test -z "${with_target_subdir}" && with_target_subdir=.
@@ -917,7 +940,7 @@ else { echo "configure: error: can not run $ac_config_sub" 1>&2; exit 1; }
 fi
 
 echo $ac_n "checking host system type""... $ac_c" 1>&6
-echo "configure:921: checking host system type" >&5
+echo "configure:944: checking host system type" >&5
 
 host_alias=$host
 case "$host_alias" in
@@ -938,7 +961,7 @@ host_os=`echo $host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
 echo "$ac_t""$host" 1>&6
 
 echo $ac_n "checking target system type""... $ac_c" 1>&6
-echo "configure:942: checking target system type" >&5
+echo "configure:965: checking target system type" >&5
 
 target_alias=$target
 case "$target_alias" in
@@ -956,7 +979,7 @@ target_os=`echo $target | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
 echo "$ac_t""$target" 1>&6
 
 echo $ac_n "checking build system type""... $ac_c" 1>&6
-echo "configure:960: checking build system type" >&5
+echo "configure:983: checking build system type" >&5
 
 build_alias=$build
 case "$build_alias" in
@@ -999,7 +1022,7 @@ EOF
 
 missing_dir=`cd $ac_aux_dir && pwd`
 echo $ac_n "checking for working aclocal""... $ac_c" 1>&6
-echo "configure:1003: checking for working aclocal" >&5
+echo "configure:1026: checking for working aclocal" >&5
 # Run test in a subshell; some versions of sh will print an error if
 # an executable is not found, even if stderr is redirected.
 # Redirect stdin to placate older versions of autoconf.  Sigh.
@@ -1012,7 +1035,7 @@ else
 fi
 
 echo $ac_n "checking for working autoconf""... $ac_c" 1>&6
-echo "configure:1016: checking for working autoconf" >&5
+echo "configure:1039: checking for working autoconf" >&5
 # Run test in a subshell; some versions of sh will print an error if
 # an executable is not found, even if stderr is redirected.
 # Redirect stdin to placate older versions of autoconf.  Sigh.
@@ -1025,7 +1048,7 @@ else
 fi
 
 echo $ac_n "checking for working automake""... $ac_c" 1>&6
-echo "configure:1029: checking for working automake" >&5
+echo "configure:1052: checking for working automake" >&5
 # Run test in a subshell; some versions of sh will print an error if
 # an executable is not found, even if stderr is redirected.
 # Redirect stdin to placate older versions of autoconf.  Sigh.
@@ -1038,7 +1061,7 @@ else
 fi
 
 echo $ac_n "checking for working autoheader""... $ac_c" 1>&6
-echo "configure:1042: checking for working autoheader" >&5
+echo "configure:1065: checking for working autoheader" >&5
 # Run test in a subshell; some versions of sh will print an error if
 # an executable is not found, even if stderr is redirected.
 # Redirect stdin to placate older versions of autoconf.  Sigh.
@@ -1051,7 +1074,7 @@ else
 fi
 
 echo $ac_n "checking for working makeinfo""... $ac_c" 1>&6
-echo "configure:1055: checking for working makeinfo" >&5
+echo "configure:1078: checking for working makeinfo" >&5
 # Run test in a subshell; some versions of sh will print an error if
 # an executable is not found, even if stderr is redirected.
 # Redirect stdin to placate older versions of autoconf.  Sigh.
@@ -1076,7 +1099,7 @@ fi
 # Extract the first word of "gcc", so it can be a program name with args.
 set dummy gcc; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1080: checking for $ac_word" >&5
+echo "configure:1103: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1106,7 +1129,7 @@ if test -z "$CC"; then
   # Extract the first word of "cc", so it can be a program name with args.
 set dummy cc; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1110: checking for $ac_word" >&5
+echo "configure:1133: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1155,7 +1178,7 @@ fi
 fi
 
 echo $ac_n "checking whether we are using GNU C""... $ac_c" 1>&6
-echo "configure:1159: checking whether we are using GNU C" >&5
+echo "configure:1182: checking whether we are using GNU C" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_gcc'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1164,7 +1187,7 @@ else
   yes;
 #endif
 EOF
-if { ac_try='${CC-cc} -E conftest.c'; { (eval echo configure:1168: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
+if { ac_try='${CC-cc} -E conftest.c'; { (eval echo configure:1191: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
   ac_cv_prog_gcc=yes
 else
   ac_cv_prog_gcc=no
@@ -1179,7 +1202,7 @@ if test $ac_cv_prog_gcc = yes; then
   ac_save_CFLAGS="$CFLAGS"
   CFLAGS=
   echo $ac_n "checking whether ${CC-cc} accepts -g""... $ac_c" 1>&6
-echo "configure:1183: checking whether ${CC-cc} accepts -g" >&5
+echo "configure:1206: checking whether ${CC-cc} accepts -g" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_cc_g'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1210,7 +1233,7 @@ fi
 # Extract the first word of "${ac_tool_prefix}as", so it can be a program name with args.
 set dummy ${ac_tool_prefix}as; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1214: checking for $ac_word" >&5
+echo "configure:1237: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_AS'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1242,7 +1265,7 @@ fi
 # Extract the first word of "${ac_tool_prefix}ar", so it can be a program name with args.
 set dummy ${ac_tool_prefix}ar; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1246: checking for $ac_word" >&5
+echo "configure:1269: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_AR'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1274,7 +1297,7 @@ fi
 # Extract the first word of "${ac_tool_prefix}ranlib", so it can be a program name with args.
 set dummy ${ac_tool_prefix}ranlib; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1278: checking for $ac_word" >&5
+echo "configure:1301: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_RANLIB'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1306,7 +1329,7 @@ if test -n "$ac_tool_prefix"; then
   # Extract the first word of "ranlib", so it can be a program name with args.
 set dummy ranlib; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1310: checking for $ac_word" >&5
+echo "configure:1333: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_RANLIB'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1351,7 +1374,7 @@ fi
 # SVR4 /usr/ucb/install, which tries to use the nonexistent group "staff"
 # ./install, which can be erroneously created by make from ./install.sh.
 echo $ac_n "checking for a BSD compatible install""... $ac_c" 1>&6
-echo "configure:1355: checking for a BSD compatible install" >&5
+echo "configure:1378: checking for a BSD compatible install" >&5
 if test -z "$INSTALL"; then
 if eval "test \"`echo '$''{'ac_cv_path_install'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -1405,7 +1428,7 @@ test -z "$INSTALL_DATA" && INSTALL_DATA='${INSTALL} -m 644'
 
 
 echo $ac_n "checking whether to enable maintainer-specific portions of Makefiles""... $ac_c" 1>&6
-echo "configure:1409: checking whether to enable maintainer-specific portions of Makefiles" >&5
+echo "configure:1432: checking whether to enable maintainer-specific portions of Makefiles" >&5
     # Check whether --enable-maintainer-mode or --disable-maintainer-mode was given.
 if test "${enable_maintainer_mode+set}" = set; then
   enableval="$enable_maintainer_mode"
@@ -1439,7 +1462,7 @@ if false; then
   
 
 echo $ac_n "checking for executable suffix""... $ac_c" 1>&6
-echo "configure:1443: checking for executable suffix" >&5
+echo "configure:1466: checking for executable suffix" >&5
 if eval "test \"`echo '$''{'ac_cv_exeext'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1449,7 +1472,7 @@ else
   rm -f conftest*
   echo 'int main () { return 0; }' > conftest.$ac_ext
   ac_cv_exeext=
-  if { (eval echo configure:1453: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; then
+  if { (eval echo configure:1476: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; then
     for file in conftest.*; do
       case $file in
       *.c | *.o | *.obj | *.ilk | *.pdb) ;;
@@ -1565,7 +1588,7 @@ if test "x$cross_compiling" = "xno"; then
   EXEEXT_FOR_BUILD='$(EXEEXT)'
 else
   echo $ac_n "checking for build system executable suffix""... $ac_c" 1>&6
-echo "configure:1569: checking for build system executable suffix" >&5
+echo "configure:1592: checking for build system executable suffix" >&5
 if eval "test \"`echo '$''{'newlib_cv_build_exeext'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1731,6 +1754,8 @@ s%@includedir@%$includedir%g
 s%@oldincludedir@%$oldincludedir%g
 s%@infodir@%$infodir%g
 s%@mandir@%$mandir%g
+s%@MAY_SUPPLY_SYSCALLS_TRUE@%$MAY_SUPPLY_SYSCALLS_TRUE%g
+s%@MAY_SUPPLY_SYSCALLS_FALSE@%$MAY_SUPPLY_SYSCALLS_FALSE%g
 s%@newlib_basedir@%$newlib_basedir%g
 s%@host@%$host%g
 s%@host_alias@%$host_alias%g