mirror of
https://github.com/python/cpython
synced 2024-09-05 00:05:39 +00:00
Gregor Hoffleit: Don't link with the libieee library if it's not necessary
This commit is contained in:
parent
518e55c7f2
commit
be28f5b2a2
129
configure
vendored
129
configure
vendored
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@ -1,6 +1,6 @@
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#! /bin/sh
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# From configure.in Revision: 1.137
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# From configure.in Revision: 1.139
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# Guess values for system-dependent variables and create Makefiles.
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# Generated automatically using autoconf version 2.13
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@ -5049,8 +5049,54 @@ fi
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# (none yet)
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# Linux requires this for correct f.p. operations
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echo $ac_n "checking for __fpu_control""... $ac_c" 1>&6
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echo "configure:5054: checking for __fpu_control" >&5
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if eval "test \"`echo '$''{'ac_cv_func___fpu_control'+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 5059 "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 __fpu_control(); below. */
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#include <assert.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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builtin and then its argument prototype would still apply. */
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char __fpu_control();
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int main() {
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/* The GNU C library defines this for functions which it implements
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to always fail with ENOSYS. Some functions are actually named
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something starting with __ and the normal name is an alias. */
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#if defined (__stub___fpu_control) || defined (__stub_____fpu_control)
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choke me
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#else
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__fpu_control();
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#endif
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; return 0; }
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EOF
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if { (eval echo configure:5082: \"$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_func___fpu_control=yes"
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else
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echo "configure: failed program was:" >&5
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cat conftest.$ac_ext >&5
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rm -rf conftest*
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eval "ac_cv_func___fpu_control=no"
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fi
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rm -f conftest*
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fi
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if eval "test \"`echo '$ac_cv_func_'__fpu_control`\" = yes"; then
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echo "$ac_t""yes" 1>&6
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:
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else
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echo "$ac_t""no" 1>&6
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echo $ac_n "checking for __fpu_control in -lieee""... $ac_c" 1>&6
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echo "configure:5054: checking for __fpu_control in -lieee" >&5
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echo "configure:5100: checking for __fpu_control in -lieee" >&5
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ac_lib_var=`echo ieee'_'__fpu_control | sed 'y%./+-%__p_%'`
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if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
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echo $ac_n "(cached) $ac_c" 1>&6
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@ -5058,7 +5104,7 @@ else
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ac_save_LIBS="$LIBS"
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LIBS="-lieee $LIBS"
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cat > conftest.$ac_ext <<EOF
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#line 5062 "configure"
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#line 5108 "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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@ -5069,7 +5115,7 @@ int main() {
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__fpu_control()
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; return 0; }
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EOF
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if { (eval echo configure:5073: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
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if { (eval echo configure:5119: \"$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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@ -5097,9 +5143,12 @@ else
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fi
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fi
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# Check for --with-fpectl
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echo $ac_n "checking for --with-fpectl""... $ac_c" 1>&6
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echo "configure:5103: checking for --with-fpectl" >&5
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echo "configure:5152: checking for --with-fpectl" >&5
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# Check whether --with-fpectl or --without-fpectl was given.
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if test "${with_fpectl+set}" = set; then
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withval="$with_fpectl"
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@ -5124,7 +5173,7 @@ BeOS) ;;
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*) LIBM=-lm
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esac
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echo $ac_n "checking for --with-libm=STRING""... $ac_c" 1>&6
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echo "configure:5128: checking for --with-libm=STRING" >&5
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echo "configure:5177: checking for --with-libm=STRING" >&5
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# Check whether --with-libm or --without-libm was given.
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if test "${with_libm+set}" = set; then
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withval="$with_libm"
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@ -5145,7 +5194,7 @@ fi
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# check for --with-libc=...
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echo $ac_n "checking for --with-libc=STRING""... $ac_c" 1>&6
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echo "configure:5149: checking for --with-libc=STRING" >&5
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echo "configure:5198: checking for --with-libc=STRING" >&5
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# Check whether --with-libc or --without-libc was given.
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if test "${with_libc+set}" = set; then
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withval="$with_libc"
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@ -5169,12 +5218,12 @@ LIBS="$LIBS $LIBM"
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for ac_func in hypot
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do
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echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
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echo "configure:5173: checking for $ac_func" >&5
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echo "configure:5222: checking for $ac_func" >&5
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if eval "test \"`echo '$''{'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 5178 "configure"
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#line 5227 "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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@ -5197,7 +5246,7 @@ $ac_func();
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; return 0; }
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EOF
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if { (eval echo configure:5201: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
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if { (eval echo configure:5250: \"$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_func_$ac_func=yes"
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else
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@ -5224,12 +5273,12 @@ done
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for ac_func in hypot
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do
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echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
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echo "configure:5228: checking for $ac_func" >&5
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echo "configure:5277: checking for $ac_func" >&5
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if eval "test \"`echo '$''{'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 5233 "configure"
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#line 5282 "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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@ -5252,7 +5301,7 @@ $ac_func();
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; return 0; }
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EOF
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if { (eval echo configure:5256: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
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if { (eval echo configure:5305: \"$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_func_$ac_func=yes"
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else
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@ -5286,12 +5335,12 @@ LIBS="$LIBS $LIBM"
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for ac_func in rint
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do
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echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
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echo "configure:5290: checking for $ac_func" >&5
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echo "configure:5339: checking for $ac_func" >&5
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if eval "test \"`echo '$''{'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 5295 "configure"
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#line 5344 "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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@ -5314,7 +5363,7 @@ $ac_func();
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; return 0; }
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EOF
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if { (eval echo configure:5318: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
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if { (eval echo configure:5367: \"$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_func_$ac_func=yes"
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else
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@ -5342,7 +5391,7 @@ LIBS=$LIBS_SAVE
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# check for getopt
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echo $ac_n "checking for genuine getopt""... $ac_c" 1>&6
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echo "configure:5346: checking for genuine getopt" >&5
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echo "configure:5395: checking for genuine getopt" >&5
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if eval "test \"`echo '$''{'ac_cv_func_getopt'+set}'`\" = set"; then
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echo $ac_n "(cached) $ac_c" 1>&6
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else
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@ -5350,7 +5399,7 @@ else
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ac_cv_func_getopt=no
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else
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cat > conftest.$ac_ext <<EOF
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#line 5354 "configure"
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#line 5403 "configure"
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#include "confdefs.h"
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#include <stdio.h>
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extern int optind, opterr, getopt();
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exit(0);
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}
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EOF
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if { (eval echo configure:5366: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
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if { (eval echo configure:5415: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
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then
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ac_cv_func_getopt=yes
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else
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# check whether malloc(0) returns NULL or not
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echo $ac_n "checking what malloc(0) returns""... $ac_c" 1>&6
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echo "configure:5384: checking what malloc(0) returns" >&5
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echo "configure:5433: checking what malloc(0) returns" >&5
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if eval "test \"`echo '$''{'ac_cv_malloc_zero'+set}'`\" = set"; then
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echo $ac_n "(cached) $ac_c" 1>&6
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else
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{ echo "configure: error: can not run test program while cross compiling" 1>&2; exit 1; }
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else
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cat > conftest.$ac_ext <<EOF
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#line 5392 "configure"
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#line 5441 "configure"
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#include "confdefs.h"
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#include <stdio.h>
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#ifdef HAVE_STDLIB
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exit(0);
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}
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EOF
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if { (eval echo configure:5411: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
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if { (eval echo configure:5460: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
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then
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ac_cv_malloc_zero=nonnull
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else
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# check for wchar.h
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ac_safe=`echo "wchar.h" | sed 'y%./+-%__p_%'`
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echo $ac_n "checking for wchar.h""... $ac_c" 1>&6
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echo "configure:5437: checking for wchar.h" >&5
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echo "configure:5486: checking for wchar.h" >&5
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if eval "test \"`echo '$''{'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 5442 "configure"
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#line 5491 "configure"
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#include "confdefs.h"
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#include <wchar.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:5447: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
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{ (eval echo configure:5496: \"$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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# check for usable wchar_t
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usable_wchar_t="unkown"
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echo $ac_n "checking for usable wchar_t""... $ac_c" 1>&6
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echo "configure:5477: checking for usable wchar_t" >&5
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echo "configure:5526: checking for usable wchar_t" >&5
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if test "$cross_compiling" = yes; then
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{ echo "configure: error: can not run test program while cross compiling" 1>&2; exit 1; }
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else
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cat > conftest.$ac_ext <<EOF
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#line 5482 "configure"
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#line 5531 "configure"
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#include "confdefs.h"
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#include "wchar.h"
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}
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EOF
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if { (eval echo configure:5496: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
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if { (eval echo configure:5545: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
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then
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cat >> confdefs.h <<\EOF
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#define HAVE_USABLE_WCHAR_T 1
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# check for endianness
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echo $ac_n "checking whether byte ordering is bigendian""... $ac_c" 1>&6
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echo "configure:5515: checking whether byte ordering is bigendian" >&5
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echo "configure:5564: checking whether byte ordering is bigendian" >&5
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if eval "test \"`echo '$''{'ac_cv_c_bigendian'+set}'`\" = set"; then
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echo $ac_n "(cached) $ac_c" 1>&6
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else
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ac_cv_c_bigendian=unknown
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# See if sys/param.h defines the BYTE_ORDER macro.
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cat > conftest.$ac_ext <<EOF
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#line 5522 "configure"
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#line 5571 "configure"
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#include "confdefs.h"
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#include <sys/types.h>
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#include <sys/param.h>
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#endif
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; return 0; }
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EOF
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if { (eval echo configure:5533: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
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if { (eval echo configure:5582: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
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rm -rf conftest*
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# It does; now see whether it defined to BIG_ENDIAN or not.
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cat > conftest.$ac_ext <<EOF
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#line 5537 "configure"
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#line 5586 "configure"
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#include "confdefs.h"
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#include <sys/types.h>
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#include <sys/param.h>
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#endif
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; return 0; }
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EOF
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if { (eval echo configure:5548: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
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if { (eval echo configure:5597: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
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rm -rf conftest*
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ac_cv_c_bigendian=yes
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else
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{ echo "configure: error: can not run test program while cross compiling" 1>&2; exit 1; }
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else
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cat > conftest.$ac_ext <<EOF
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#line 5568 "configure"
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#line 5617 "configure"
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#include "confdefs.h"
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main () {
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/* Are we little or big endian? From Harbison&Steele. */
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@ -5577,7 +5626,7 @@ main () {
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exit (u.c[sizeof (long) - 1] == 1);
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}
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EOF
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if { (eval echo configure:5581: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
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if { (eval echo configure:5630: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
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then
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ac_cv_c_bigendian=no
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else
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# Check whether right shifting a negative integer extends the sign bit
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# or fills with zeros (like the Cray J90, according to Tim Peters).
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echo $ac_n "checking whether right shift extends the sign bit""... $ac_c" 1>&6
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echo "configure:5608: checking whether right shift extends the sign bit" >&5
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echo "configure:5657: checking whether right shift extends the sign bit" >&5
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if eval "test \"`echo '$''{'ac_cv_rshift_extends_sign'+set}'`\" = set"; then
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echo $ac_n "(cached) $ac_c" 1>&6
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else
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{ echo "configure: error: can not run test program while cross compiling" 1>&2; exit 1; }
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else
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cat > conftest.$ac_ext <<EOF
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#line 5617 "configure"
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#line 5666 "configure"
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#include "confdefs.h"
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int main()
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}
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EOF
|
||||
if { (eval echo configure:5626: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
|
||||
if { (eval echo configure:5675: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
|
||||
then
|
||||
ac_cv_rshift_extends_sign=yes
|
||||
else
|
||||
|
@ -5654,12 +5703,12 @@ cat >> confdefs.h <<\EOF
|
|||
#endif
|
||||
EOF
|
||||
echo $ac_n "checking for socklen_t""... $ac_c" 1>&6
|
||||
echo "configure:5658: checking for socklen_t" >&5
|
||||
echo "configure:5707: checking for socklen_t" >&5
|
||||
if eval "test \"`echo '$''{'ac_cv_type_socklen_t'+set}'`\" = set"; then
|
||||
echo $ac_n "(cached) $ac_c" 1>&6
|
||||
else
|
||||
cat > conftest.$ac_ext <<EOF
|
||||
#line 5663 "configure"
|
||||
#line 5712 "configure"
|
||||
#include "confdefs.h"
|
||||
#include <sys/types.h>
|
||||
#if STDC_HEADERS
|
||||
|
|
|
@ -1011,7 +1011,10 @@ AC_SUBST(HAVE_GETHOSTBYNAME)
|
|||
# (none yet)
|
||||
|
||||
# Linux requires this for correct f.p. operations
|
||||
AC_CHECK_LIB(ieee, __fpu_control)
|
||||
AC_CHECK_FUNC(__fpu_control,
|
||||
[],
|
||||
[AC_CHECK_LIB(ieee, __fpu_control)
|
||||
])
|
||||
|
||||
# Check for --with-fpectl
|
||||
AC_MSG_CHECKING(for --with-fpectl)
|
||||
|
|
Loading…
Reference in a new issue