* configure.in: Check whether printf family supports printing
long doubles or not and define PRINTF_HAS_LONG_DOUBLE if so. * acconfig.h: Provide default undef for PRINTF_HAS_LONG_DOUBLE. * configure: Regenerate. * valprint.c (print_floating): Use PRINTF_HAS_LONG_DOUBLE. * c-exp.y (parse_number): Use PRINTF_HAS_LONG_DOUBLE. * configure.in: Fix have_gregset and have_fpregset autoconf variable names so that they match the pattern required to cache them.
This commit is contained in:
Fred Fish
parent
452ad97eb9
commit
07b77f5ca4
6 changed files with 140 additions and 55 deletions
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@ -1,3 +1,15 @@
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Sat Mar 30 11:00:22 1996 Fred Fish <fnf@cygnus.com>
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* configure.in: Check whether printf family supports printing
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long doubles or not and define PRINTF_HAS_LONG_DOUBLE if so.
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* acconfig.h: Provide default undef for PRINTF_HAS_LONG_DOUBLE.
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* configure: Regenerate.
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* valprint.c (print_floating): Use PRINTF_HAS_LONG_DOUBLE.
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* c-exp.y (parse_number): Use PRINTF_HAS_LONG_DOUBLE.
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* configure.in: Fix have_gregset and have_fpregset autoconf
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variable names so that they match the pattern required to
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cache them.
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Fri Mar 29 21:39:56 1996 Fred Fish <fnf@cygnus.com>
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* core-aout.c (fetch_core_registers): Cast core_reg_size to int
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@ -4,3 +4,6 @@
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/* Define if gregset_t type is available. */
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#undef HAVE_GREGSET_T
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/* Define if the "%Lg" format works to print long doubles. */
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#undef PRINTF_HAS_LONG_DOUBLE
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13
gdb/c-exp.y
13
gdb/c-exp.y
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@ -942,7 +942,18 @@ parse_number (p, len, parsed_float, putithere)
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else if (sizeof (putithere->typed_val_float.dval) <= sizeof (double))
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sscanf (p, "%lg", &putithere->typed_val_float.dval);
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else
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sscanf (p, "%Lg", &putithere->typed_val_float.dval);
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{
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#ifdef PRINTF_HAS_LONG_DOUBLE
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sscanf (p, "%Lg", &putithere->typed_val_float.dval);
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#else
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/* Scan it into a double, then assign it to the long double.
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This at least wins with values representable in the range
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of doubles. */
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double temp;
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sscanf (p, "%lg", &temp);
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putithere->typed_val_float.dval = temp;
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#endif
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}
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/* See if it has `f' or `l' suffix (float or long double). */
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@ -35,6 +35,9 @@
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/* Define if gregset_t type is available. */
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#undef HAVE_GREGSET_T
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/* Define if the "%Lg" format works to print long doubles. */
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#undef PRINTF_HAS_LONG_DOUBLE
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/* Define if you have the getpagesize function. */
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#undef HAVE_GETPAGESIZE
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127
gdb/configure
vendored
127
gdb/configure
vendored
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@ -1283,7 +1283,7 @@ fi
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echo $ac_n "checking for gregset_t type""... $ac_c" 1>&6
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if eval "test \"`echo '$''{'gdb_have_gregset_t'+set}'`\" = set"; then
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if eval "test \"`echo '$''{'gdb_cv_have_gregset_t'+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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@ -1297,17 +1297,17 @@ gregset_t *gregsetp = 0
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EOF
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if { (eval echo configure:1299: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; then
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rm -rf conftest*
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gdb_have_gregset_t=yes
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gdb_cv_have_gregset_t=yes
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else
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rm -rf conftest*
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gdb_have_gregset_t=no
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gdb_cv_have_gregset_t=no
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fi
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rm -f conftest*
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fi
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echo "$ac_t""$gdb_have_gregset_t" 1>&6
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if test $gdb_have_gregset_t = yes; then
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echo "$ac_t""$gdb_cv_have_gregset_t" 1>&6
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if test $gdb_cv_have_gregset_t = yes; then
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cat >> confdefs.h <<\EOF
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#define HAVE_GREGSET_T 1
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EOF
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@ -1315,7 +1315,7 @@ EOF
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fi
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echo $ac_n "checking for fpregset_t type""... $ac_c" 1>&6
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if eval "test \"`echo '$''{'gdb_have_fpregset_t'+set}'`\" = set"; then
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if eval "test \"`echo '$''{'gdb_cv_have_fpregset_t'+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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@ -1329,17 +1329,17 @@ fpregset_t *fpregsetp = 0
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EOF
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if { (eval echo configure:1331: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; then
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rm -rf conftest*
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gdb_have_fpregset_t=yes
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gdb_cv_have_fpregset_t=yes
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else
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rm -rf conftest*
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gdb_have_fpregset_t=no
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gdb_cv_have_fpregset_t=no
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fi
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rm -f conftest*
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fi
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echo "$ac_t""$gdb_have_fpregset_t" 1>&6
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if test $gdb_have_fpregset_t = yes; then
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echo "$ac_t""$gdb_cv_have_fpregset_t" 1>&6
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if test $gdb_cv_have_fpregset_t = yes; then
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cat >> confdefs.h <<\EOF
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#define HAVE_FPREGSET_T 1
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EOF
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@ -1347,7 +1347,7 @@ EOF
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fi
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echo $ac_n "checking for long double""... $ac_c" 1>&6
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echo $ac_n "checking for long double support in compiler""... $ac_c" 1>&6
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if eval "test \"`echo '$''{'ac_cv_c_long_double'+set}'`\" = set"; then
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echo $ac_n "(cached) $ac_c" 1>&6
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else
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@ -1379,6 +1379,43 @@ EOF
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fi
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echo $ac_n "checking for long double support in printf""... $ac_c" 1>&6
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if eval "test \"`echo '$''{'gdb_cv_printf_has_long_double'+set}'`\" = set"; then
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echo $ac_n "(cached) $ac_c" 1>&6
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else
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if test "$cross_compiling" = yes; then
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gdb_cv_printf_has_long_double=no
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else
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cat > conftest.$ac_ext <<EOF
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#line 1392 "configure"
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#include "confdefs.h"
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int main () {
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char buf[16];
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long double f = 3.141592653;
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sprintf (buf, "%Lg", f);
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return (strncmp ("3.14159", buf, 7));
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}
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EOF
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{ (eval echo configure:1402: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }
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if test -s conftest && (./conftest; exit) 2>/dev/null; then
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gdb_cv_printf_has_long_double=yes
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else
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gdb_cv_printf_has_long_double=no
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fi
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fi
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rm -fr conftest*
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fi
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if test $gdb_cv_printf_has_long_double = yes; then
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cat >> confdefs.h <<\EOF
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#define PRINTF_HAS_LONG_DOUBLE 1
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EOF
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fi
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echo "$ac_t""$gdb_cv_printf_has_long_double" 1>&6
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for ac_func in valloc getpagesize
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do
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echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
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@ -1386,7 +1423,7 @@ if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+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 1390 "configure"
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#line 1427 "configure"
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#include "confdefs.h"
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/* System header to define __stub macros and hopefully few prototypes,
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which can conflict with char $ac_func(); below. */
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@ -1408,7 +1445,7 @@ $ac_func();
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; return 0; }
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EOF
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if { (eval echo configure:1412: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; then
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if { (eval echo configure:1449: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; then
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rm -rf conftest*
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eval "ac_cv_func_$ac_func=yes"
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else
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@ -1438,7 +1475,7 @@ else
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ac_cv_func_mmap=no
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else
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cat > conftest.$ac_ext <<EOF
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#line 1442 "configure"
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#line 1479 "configure"
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#include "confdefs.h"
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/* Thanks to Mike Haertel and Jim Avera for this test. */
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@ -1507,7 +1544,7 @@ main()
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}
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EOF
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{ (eval echo configure:1511: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }
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{ (eval echo configure:1548: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }
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if test -s conftest && (./conftest; exit) 2>/dev/null; then
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ac_cv_func_mmap=yes
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else
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@ -1675,12 +1712,12 @@ if test "$ac_x_includes" = NO; then
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# First, try using that file with no special directory specified.
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cat > conftest.$ac_ext <<EOF
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#line 1679 "configure"
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#line 1716 "configure"
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#include "confdefs.h"
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#include <$x_direct_test_include>
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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:1684: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
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{ (eval echo configure:1721: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
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ac_err=`grep -v '^ *+' conftest.out`
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if test -z "$ac_err"; then
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rm -rf conftest*
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@ -1747,7 +1784,7 @@ if test "$ac_x_libraries" = NO; then
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ac_save_LIBS="$LIBS"
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LIBS="-l$x_direct_test_library $LIBS"
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cat > conftest.$ac_ext <<EOF
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#line 1751 "configure"
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#line 1788 "configure"
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#include "confdefs.h"
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int main() { return 0; }
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@ -1755,7 +1792,7 @@ int t() {
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${x_direct_test_function}()
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; return 0; }
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EOF
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if { (eval echo configure:1759: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; then
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if { (eval echo configure:1796: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; then
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rm -rf conftest*
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LIBS="$ac_save_LIBS"
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# We can link X programs with no special library path.
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@ -1876,7 +1913,7 @@ else
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ac_save_LIBS="$LIBS"
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LIBS="-lICE $LIBS"
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cat > conftest.$ac_ext <<EOF
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#line 1880 "configure"
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#line 1917 "configure"
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#include "confdefs.h"
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int main() { return 0; }
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@ -1884,7 +1921,7 @@ int t() {
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IceConnectionNumber()
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; return 0; }
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EOF
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if { (eval echo configure:1888: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; then
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if { (eval echo configure:1925: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; then
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rm -rf conftest*
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eval "ac_cv_lib_$ac_lib_var=yes"
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else
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@ -1920,7 +1957,7 @@ else
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ac_save_LIBS="$LIBS"
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LIBS="-ldnet $LIBS"
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cat > conftest.$ac_ext <<EOF
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#line 1924 "configure"
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#line 1961 "configure"
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#include "confdefs.h"
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int main() { return 0; }
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@ -1928,7 +1965,7 @@ int t() {
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dnet_ntoa()
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; return 0; }
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EOF
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if { (eval echo configure:1932: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; then
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if { (eval echo configure:1969: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; then
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rm -rf conftest*
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eval "ac_cv_lib_$ac_lib_var=yes"
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else
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@ -1955,7 +1992,7 @@ else
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ac_save_LIBS="$LIBS"
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LIBS="-ldnet_stub $LIBS"
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cat > conftest.$ac_ext <<EOF
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#line 1959 "configure"
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#line 1996 "configure"
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#include "confdefs.h"
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int main() { return 0; }
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@ -1963,7 +2000,7 @@ int t() {
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dnet_ntoa()
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; return 0; }
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EOF
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if { (eval echo configure:1967: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; then
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if { (eval echo configure:2004: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; then
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rm -rf conftest*
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eval "ac_cv_lib_$ac_lib_var=yes"
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else
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@ -1995,7 +2032,7 @@ else
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ac_save_LIBS="$LIBS"
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LIBS="-lnsl $LIBS"
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cat > conftest.$ac_ext <<EOF
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#line 1999 "configure"
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#line 2036 "configure"
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#include "confdefs.h"
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int main() { return 0; }
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@ -2003,7 +2040,7 @@ int t() {
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t_accept()
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; return 0; }
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EOF
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if { (eval echo configure:2007: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; then
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if { (eval echo configure:2044: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; then
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rm -rf conftest*
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eval "ac_cv_lib_$ac_lib_var=yes"
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else
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@ -2034,7 +2071,7 @@ else
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ac_save_LIBS="$LIBS"
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LIBS="-lsocket $LIBS"
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cat > conftest.$ac_ext <<EOF
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#line 2038 "configure"
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#line 2075 "configure"
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#include "confdefs.h"
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int main() { return 0; }
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@ -2042,7 +2079,7 @@ int t() {
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socket()
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; return 0; }
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EOF
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if { (eval echo configure:2046: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; then
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if { (eval echo configure:2083: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; then
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rm -rf conftest*
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eval "ac_cv_lib_$ac_lib_var=yes"
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else
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@ -2139,12 +2176,12 @@ if eval "test \"`echo '$''{'ac_cv_header_$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 2143 "configure"
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#line 2180 "configure"
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#include "confdefs.h"
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#include <tclInt.h>
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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:2148: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
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{ (eval echo configure:2185: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
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ac_err=`grep -v '^ *+' conftest.out`
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if test -z "$ac_err"; then
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rm -rf conftest*
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@ -2197,7 +2234,7 @@ if test "$cross_compiling" = yes; then
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else
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cat > conftest.$ac_ext <<EOF
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#line 2201 "configure"
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#line 2238 "configure"
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#include "confdefs.h"
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#include <stdio.h>
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@ -2212,7 +2249,7 @@ main() {
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return 0;
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}
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EOF
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{ (eval echo configure:2216: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }
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{ (eval echo configure:2253: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }
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if test -s conftest && (./conftest; exit) 2>/dev/null; then
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tclmajor=`cat tclmajor`
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tclminor=`cat tclminor`
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@ -2357,13 +2394,13 @@ else
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ac_cv_c_tclib="-l$installedtcllibroot"
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else
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cat > conftest.$ac_ext <<EOF
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#line 2361 "configure"
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#line 2398 "configure"
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#include "confdefs.h"
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Tcl_AppInit()
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{ exit(0); }
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EOF
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{ (eval echo configure:2367: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }
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{ (eval echo configure:2404: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }
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if test -s conftest && (./conftest; exit) 2>/dev/null; then
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ac_cv_c_tcllib="-l$installedtcllibroot"
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else
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@ -2473,12 +2510,12 @@ if eval "test \"`echo '$''{'ac_cv_header_$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 2477 "configure"
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#line 2514 "configure"
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#include "confdefs.h"
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#include <tk.h>
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EOF
|
||||
ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
|
||||
{ (eval echo configure:2482: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
|
||||
{ (eval echo configure:2519: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
|
||||
ac_err=`grep -v '^ *+' conftest.out`
|
||||
if test -z "$ac_err"; then
|
||||
rm -rf conftest*
|
||||
|
|
@ -2538,7 +2575,7 @@ if test "$cross_compiling" = yes; then
|
|||
|
||||
else
|
||||
cat > conftest.$ac_ext <<EOF
|
||||
#line 2542 "configure"
|
||||
#line 2579 "configure"
|
||||
#include "confdefs.h"
|
||||
|
||||
#include <stdio.h>
|
||||
|
|
@ -2553,7 +2590,7 @@ cat > conftest.$ac_ext <<EOF
|
|||
return 0;
|
||||
}
|
||||
EOF
|
||||
{ (eval echo configure:2557: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }
|
||||
{ (eval echo configure:2594: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }
|
||||
if test -s conftest && (./conftest; exit) 2>/dev/null; then
|
||||
tkmajor=`cat tkmajor`
|
||||
tkminor=`cat tkminor`
|
||||
|
|
@ -2719,13 +2756,13 @@ else
|
|||
ac_cv_c_tklib="-l$installedtklibroot"
|
||||
else
|
||||
cat > conftest.$ac_ext <<EOF
|
||||
#line 2723 "configure"
|
||||
#line 2760 "configure"
|
||||
#include "confdefs.h"
|
||||
|
||||
Tcl_AppInit()
|
||||
{ exit(0); }
|
||||
EOF
|
||||
{ (eval echo configure:2729: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }
|
||||
{ (eval echo configure:2766: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }
|
||||
if test -s conftest && (./conftest; exit) 2>/dev/null; then
|
||||
ac_cv_c_tklib="-l$installedtklibroot"
|
||||
else
|
||||
|
|
@ -2766,7 +2803,7 @@ else
|
|||
ac_save_LIBS="$LIBS"
|
||||
LIBS="-ldl $LIBS"
|
||||
cat > conftest.$ac_ext <<EOF
|
||||
#line 2770 "configure"
|
||||
#line 2807 "configure"
|
||||
#include "confdefs.h"
|
||||
|
||||
int main() { return 0; }
|
||||
|
|
@ -2774,7 +2811,7 @@ int t() {
|
|||
main()
|
||||
; return 0; }
|
||||
EOF
|
||||
if { (eval echo configure:2778: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; then
|
||||
if { (eval echo configure:2815: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; then
|
||||
rm -rf conftest*
|
||||
eval "ac_cv_lib_$ac_lib_var=yes"
|
||||
else
|
||||
|
|
@ -2804,7 +2841,7 @@ else
|
|||
ac_save_LIBS="$LIBS"
|
||||
LIBS="-ldld $LIBS"
|
||||
cat > conftest.$ac_ext <<EOF
|
||||
#line 2808 "configure"
|
||||
#line 2845 "configure"
|
||||
#include "confdefs.h"
|
||||
|
||||
int main() { return 0; }
|
||||
|
|
@ -2812,7 +2849,7 @@ int t() {
|
|||
main()
|
||||
; return 0; }
|
||||
EOF
|
||||
if { (eval echo configure:2816: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; then
|
||||
if { (eval echo configure:2853: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; then
|
||||
rm -rf conftest*
|
||||
eval "ac_cv_lib_$ac_lib_var=yes"
|
||||
else
|
||||
|
|
|
|||
|
|
@ -41,20 +41,20 @@ AC_CHECK_HEADERS(limits.h memory.h string.h strings.h unistd.h termios.h termio.
|
|||
AC_HEADER_STAT
|
||||
|
||||
AC_MSG_CHECKING([for gregset_t type])
|
||||
AC_CACHE_VAL(gdb_have_gregset_t,
|
||||
AC_CACHE_VAL(gdb_cv_have_gregset_t,
|
||||
[AC_TRY_LINK([#include <sys/procfs.h>],[gregset_t *gregsetp = 0],
|
||||
gdb_have_gregset_t=yes, gdb_have_gregset_t=no)])
|
||||
AC_MSG_RESULT($gdb_have_gregset_t)
|
||||
if test $gdb_have_gregset_t = yes; then
|
||||
gdb_cv_have_gregset_t=yes, gdb_cv_have_gregset_t=no)])
|
||||
AC_MSG_RESULT($gdb_cv_have_gregset_t)
|
||||
if test $gdb_cv_have_gregset_t = yes; then
|
||||
AC_DEFINE(HAVE_GREGSET_T)
|
||||
fi
|
||||
|
||||
AC_MSG_CHECKING([for fpregset_t type])
|
||||
AC_CACHE_VAL(gdb_have_fpregset_t,
|
||||
AC_CACHE_VAL(gdb_cv_have_fpregset_t,
|
||||
[AC_TRY_LINK([#include <sys/procfs.h>],[fpregset_t *fpregsetp = 0],
|
||||
gdb_have_fpregset_t=yes, gdb_have_fpregset_t=no)])
|
||||
AC_MSG_RESULT($gdb_have_fpregset_t)
|
||||
if test $gdb_have_fpregset_t = yes; then
|
||||
gdb_cv_have_fpregset_t=yes, gdb_cv_have_fpregset_t=no)])
|
||||
AC_MSG_RESULT($gdb_cv_have_fpregset_t)
|
||||
if test $gdb_cv_have_fpregset_t = yes; then
|
||||
AC_DEFINE(HAVE_FPREGSET_T)
|
||||
fi
|
||||
|
||||
|
|
@ -62,7 +62,7 @@ dnl See if compiler supports "long double" type. Can't use AC_C_LONG_DOUBLE
|
|||
dnl because autoconf complains about cross-compilation issues. However, this
|
||||
dnl code uses the same variables as the macro for compatibility.
|
||||
|
||||
AC_MSG_CHECKING(for long double)
|
||||
AC_MSG_CHECKING(for long double support in compiler)
|
||||
AC_CACHE_VAL(ac_cv_c_long_double,
|
||||
[AC_TRY_COMPILE(, [long double foo;],
|
||||
ac_cv_c_long_double=yes, ac_cv_c_long_double=no)])
|
||||
|
|
@ -71,6 +71,25 @@ if test $ac_cv_c_long_double = yes; then
|
|||
AC_DEFINE(HAVE_LONG_DOUBLE)
|
||||
fi
|
||||
|
||||
dnl See if the compiler and runtime support printing long doubles
|
||||
|
||||
AC_MSG_CHECKING(for long double support in printf)
|
||||
AC_CACHE_VAL(gdb_cv_printf_has_long_double,
|
||||
[AC_TRY_RUN([
|
||||
int main () {
|
||||
char buf[16];
|
||||
long double f = 3.141592653;
|
||||
sprintf (buf, "%Lg", f);
|
||||
return (strncmp ("3.14159", buf, 7));
|
||||
}],
|
||||
gdb_cv_printf_has_long_double=yes,
|
||||
gdb_cv_printf_has_long_double=no,
|
||||
gdb_cv_printf_has_long_double=no)])
|
||||
if test $gdb_cv_printf_has_long_double = yes; then
|
||||
AC_DEFINE(PRINTF_HAS_LONG_DOUBLE)
|
||||
fi
|
||||
AC_MSG_RESULT($gdb_cv_printf_has_long_double)
|
||||
|
||||
AC_FUNC_MMAP
|
||||
|
||||
dnl Handle optional features that can be enabled.
|
||||
|
|
|
|||
Loading…
Reference in a new issue