mirror of
https://git.savannah.gnu.org/git/grub.git
synced 2026-10-20 22:48:22 +00:00
clear the bss at the startup and fix some netboot bugs.
This commit is contained in:
okuji committed
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commit
1f6d422a9a
23 files changed
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@@ -1776,9 +1776,9 @@ if test "x$grub_cv_check_start_symbol" != "xyes" \
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fi
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echo $ac_n "checking if end is defined by the compiler""... $ac_c" 1>&6
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echo "configure:1781: checking if end is defined by the compiler" >&5
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if eval "test \"\${grub_cv_check_end_symbol+set}\" = set"; then
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echo $ac_n "checking if __bss_start is defined by the compiler""... $ac_c" 1>&6
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echo "configure:1781: checking if __bss_start is defined by the compiler" >&5
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if eval "test \"\${grub_cv_check_uscore_uscore_bss_start_symbol+set}\" = set"; then
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echo $ac_n "(cached) $ac_c" 1>&6
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else
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cat > conftest.$ac_ext <<EOF
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@@ -1786,10 +1786,124 @@ else
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#include "confdefs.h"
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int main() {
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asm ("incl end")
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asm ("incl __bss_start")
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; return 0; }
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EOF
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if { (eval echo configure:1793: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
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rm -rf conftest*
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grub_cv_check_uscore_uscore_bss_start_symbol=yes
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else
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echo "configure: failed program was:" >&5
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cat conftest.$ac_ext >&5
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rm -rf conftest*
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grub_cv_check_uscore_uscore_bss_start_symbol=no
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fi
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rm -f conftest*
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fi
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if test "x$grub_cv_check_uscore_uscore_bss_start_symbol" = xyes; then
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cat >> confdefs.h <<\EOF
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#define HAVE_USCORE_USCORE_BSS_START_SYMBOL 1
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EOF
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fi
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echo "$ac_t""$grub_cv_check_uscore_uscore_bss_start_symbol" 1>&6
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echo $ac_n "checking if _edata is defined by the compiler""... $ac_c" 1>&6
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echo "configure:1817: checking if _edata is defined by the compiler" >&5
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if eval "test \"\${grub_cv_check_uscore_edata_symbol+set}\" = set"; then
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echo $ac_n "(cached) $ac_c" 1>&6
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else
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cat > conftest.$ac_ext <<EOF
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#line 1822 "configure"
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#include "confdefs.h"
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int main() {
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asm ("incl _edata")
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; return 0; }
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EOF
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if { (eval echo configure:1829: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
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rm -rf conftest*
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grub_cv_check_uscore_edata_symbol=yes
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else
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echo "configure: failed program was:" >&5
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cat conftest.$ac_ext >&5
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rm -rf conftest*
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grub_cv_check_uscore_edata_symbol=no
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fi
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rm -f conftest*
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fi
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if test "x$grub_cv_check_uscore_edata_symbol" = xyes; then
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cat >> confdefs.h <<\EOF
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#define HAVE_USCORE_EDATA_SYMBOL 1
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EOF
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fi
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echo "$ac_t""$grub_cv_check_uscore_edata_symbol" 1>&6
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echo $ac_n "checking if edata is defined by the compiler""... $ac_c" 1>&6
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echo "configure:1853: checking if edata is defined by the compiler" >&5
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if eval "test \"\${grub_cv_check_edata_symbol+set}\" = set"; then
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echo $ac_n "(cached) $ac_c" 1>&6
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else
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cat > conftest.$ac_ext <<EOF
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#line 1858 "configure"
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#include "confdefs.h"
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int main() {
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asm ("incl edata")
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; return 0; }
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EOF
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if { (eval echo configure:1865: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
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rm -rf conftest*
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grub_cv_check_edata_symbol=yes
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else
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echo "configure: failed program was:" >&5
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cat conftest.$ac_ext >&5
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rm -rf conftest*
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grub_cv_check_edata_symbol=no
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fi
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rm -f conftest*
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fi
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if test "x$grub_cv_check_edata_symbol" = xyes; then
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cat >> confdefs.h <<\EOF
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#define HAVE_EDATA_SYMBOL 1
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EOF
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fi
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echo "$ac_t""$grub_cv_check_edata_symbol" 1>&6
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if test "x$grub_cv_check_uscore_uscore_bss_start_symbol" != "xyes" \
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-a "x$grub_cv_check_uscore_edata_symbol" != "xyes" \
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-a "x$grub_cv_check_edata_symbol" != "xyes"; then
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{ echo "configure: error: None of __bss_start, _edata, edata defined" 1>&2; exit 1; }
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fi
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echo $ac_n "checking if end is defined by the compiler""... $ac_c" 1>&6
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echo "configure:1895: checking if end is defined by the compiler" >&5
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if eval "test \"\${grub_cv_check_end_symbol+set}\" = set"; then
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echo $ac_n "(cached) $ac_c" 1>&6
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else
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cat > conftest.$ac_ext <<EOF
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#line 1900 "configure"
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#include "confdefs.h"
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int main() {
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asm ("incl end")
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; return 0; }
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EOF
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if { (eval echo configure:1907: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
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rm -rf conftest*
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grub_cv_check_end_symbol=yes
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else
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@@ -1813,19 +1927,19 @@ echo "$ac_t""$grub_cv_check_end_symbol" 1>&6
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echo $ac_n "checking if _end is defined by the compiler""... $ac_c" 1>&6
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echo "configure:1817: checking if _end is defined by the compiler" >&5
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echo "configure:1931: checking if _end is defined by the compiler" >&5
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if eval "test \"\${grub_cv_check_uscore_end_symbol+set}\" = set"; then
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echo $ac_n "(cached) $ac_c" 1>&6
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else
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cat > conftest.$ac_ext <<EOF
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#line 1822 "configure"
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#line 1936 "configure"
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#include "confdefs.h"
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int main() {
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asm ("incl _end")
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; return 0; }
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EOF
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if { (eval echo configure:1829: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
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if { (eval echo configure:1943: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
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rm -rf conftest*
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grub_cv_check_uscore_end_symbol=yes
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else
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@@ -1863,7 +1977,7 @@ fi
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# Get the filename or the whole disk and open it.
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# Known to work on NetBSD.
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echo $ac_n "checking for opendisk in -lutil""... $ac_c" 1>&6
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echo "configure:1867: checking for opendisk in -lutil" >&5
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echo "configure:1981: checking for opendisk in -lutil" >&5
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ac_lib_var=`echo util'_'opendisk | sed 'y%./+-:%__p__%'`
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if eval "test \"\${ac_cv_lib_$ac_lib_var+set}\" = set"; then
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echo $ac_n "(cached) $ac_c" 1>&6
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@@ -1871,7 +1985,7 @@ else
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ac_save_LIBS="$LIBS"
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LIBS="-lutil $LIBS"
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cat > conftest.$ac_ext <<EOF
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#line 1875 "configure"
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#line 1989 "configure"
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#include "confdefs.h"
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/* Override any gcc2 internal prototype to avoid an error. */
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/* We use char because int might match the return type of a gcc2
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@@ -1882,7 +1996,7 @@ int main() {
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opendisk()
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; return 0; }
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EOF
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if { (eval echo configure:1886: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
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if { (eval echo configure:2000: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
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rm -rf conftest*
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eval "ac_cv_lib_$ac_lib_var=yes"
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else
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@@ -1910,7 +2024,7 @@ fi
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# Unless the user specify --without-curses, check for curses.
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if test "x$with_curses" != "xno"; then
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echo $ac_n "checking for wgetch in -lncurses""... $ac_c" 1>&6
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echo "configure:1914: checking for wgetch in -lncurses" >&5
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echo "configure:2028: checking for wgetch in -lncurses" >&5
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ac_lib_var=`echo ncurses'_'wgetch | sed 'y%./+-:%__p__%'`
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if eval "test \"\${ac_cv_lib_$ac_lib_var+set}\" = set"; then
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echo $ac_n "(cached) $ac_c" 1>&6
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@@ -1918,7 +2032,7 @@ else
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ac_save_LIBS="$LIBS"
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LIBS="-lncurses $LIBS"
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cat > conftest.$ac_ext <<EOF
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#line 1922 "configure"
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#line 2036 "configure"
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#include "confdefs.h"
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/* Override any gcc2 internal prototype to avoid an error. */
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/* We use char because int might match the return type of a gcc2
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@@ -1929,7 +2043,7 @@ int main() {
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wgetch()
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; return 0; }
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EOF
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if { (eval echo configure:1933: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
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if { (eval echo configure:2047: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
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rm -rf conftest*
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eval "ac_cv_lib_$ac_lib_var=yes"
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else
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@@ -1952,7 +2066,7 @@ EOF
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else
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echo "$ac_t""no" 1>&6
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echo $ac_n "checking for wgetch in -lcurses""... $ac_c" 1>&6
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echo "configure:1956: checking for wgetch in -lcurses" >&5
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echo "configure:2070: checking for wgetch in -lcurses" >&5
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ac_lib_var=`echo curses'_'wgetch | sed 'y%./+-:%__p__%'`
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if eval "test \"\${ac_cv_lib_$ac_lib_var+set}\" = set"; then
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echo $ac_n "(cached) $ac_c" 1>&6
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@@ -1960,7 +2074,7 @@ else
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ac_save_LIBS="$LIBS"
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LIBS="-lcurses $LIBS"
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cat > conftest.$ac_ext <<EOF
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#line 1964 "configure"
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#line 2078 "configure"
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#include "confdefs.h"
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/* Override any gcc2 internal prototype to avoid an error. */
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/* We use char because int might match the return type of a gcc2
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@@ -1971,7 +2085,7 @@ int main() {
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wgetch()
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; return 0; }
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EOF
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if { (eval echo configure:1975: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
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if { (eval echo configure:2089: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
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rm -rf conftest*
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eval "ac_cv_lib_$ac_lib_var=yes"
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else
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@@ -2003,7 +2117,7 @@ fi
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# Check for headers.
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echo $ac_n "checking how to run the C preprocessor""... $ac_c" 1>&6
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echo "configure:2007: checking how to run the C preprocessor" >&5
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echo "configure:2121: checking how to run the C preprocessor" >&5
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# On Suns, sometimes $CPP names a directory.
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if test -n "$CPP" && test -d "$CPP"; then
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CPP=
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@@ -2018,13 +2132,13 @@ else
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# On the NeXT, cc -E runs the code through the compiler's parser,
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# not just through cpp.
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cat > conftest.$ac_ext <<EOF
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#line 2022 "configure"
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#line 2136 "configure"
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#include "confdefs.h"
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#include <assert.h>
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Syntax Error
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EOF
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ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
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{ (eval echo configure:2028: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
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{ (eval echo configure:2142: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
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ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
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if test -z "$ac_err"; then
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:
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@@ -2035,13 +2149,13 @@ else
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rm -rf conftest*
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CPP="${CC-cc} -E -traditional-cpp"
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cat > conftest.$ac_ext <<EOF
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#line 2039 "configure"
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#line 2153 "configure"
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#include "confdefs.h"
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#include <assert.h>
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Syntax Error
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EOF
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ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
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{ (eval echo configure:2045: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
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{ (eval echo configure:2159: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
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ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
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if test -z "$ac_err"; then
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:
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@@ -2052,13 +2166,13 @@ else
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rm -rf conftest*
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CPP="${CC-cc} -nologo -E"
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cat > conftest.$ac_ext <<EOF
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#line 2056 "configure"
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#line 2170 "configure"
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#include "confdefs.h"
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#include <assert.h>
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Syntax Error
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EOF
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ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
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{ (eval echo configure:2062: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
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{ (eval echo configure:2176: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
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ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
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if test -z "$ac_err"; then
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:
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@@ -2086,17 +2200,17 @@ for ac_hdr in string.h strings.h ncurses/curses.h ncurses.h curses.h
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do
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ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
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echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
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echo "configure:2090: checking for $ac_hdr" >&5
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echo "configure:2204: checking for $ac_hdr" >&5
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if eval "test \"\${ac_cv_header_$ac_safe+set}\" = set"; then
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echo $ac_n "(cached) $ac_c" 1>&6
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else
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cat > conftest.$ac_ext <<EOF
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#line 2095 "configure"
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#line 2209 "configure"
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#include "confdefs.h"
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#include <$ac_hdr>
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EOF
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ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
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{ (eval echo configure:2100: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
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{ (eval echo configure:2214: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
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ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
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if test -z "$ac_err"; then
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rm -rf conftest*
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