Detect whether we actually have the long double type, before looking for those functions.
(closes issue #15017) Reported by: tzafrir Patches: 20090916__issue15017.diff.txt uploaded by tilghman (license 14) Tested by: tzafrir git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@219007 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Tilghman Lesher
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d8457eb18c
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@ -1,5 +1,5 @@
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#! /bin/sh
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# From configure.ac Revision: 217074 .
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# From configure.ac Revision: 217638 .
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# Guess values for system-dependent variables and create Makefiles.
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# Generated by GNU Autoconf 2.61 for asterisk 1.6.
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#
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@ -12718,6 +12718,83 @@ _ACEOF
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;;
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esac
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{ echo "$as_me:$LINENO: checking for long double with more range or precision than double" >&5
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echo $ECHO_N "checking for long double with more range or precision than double... $ECHO_C" >&6; }
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if test "${ac_cv_type_long_double_wider+set}" = set; then
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echo $ECHO_N "(cached) $ECHO_C" >&6
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else
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cat >conftest.$ac_ext <<_ACEOF
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/* confdefs.h. */
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_ACEOF
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cat confdefs.h >>conftest.$ac_ext
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cat >>conftest.$ac_ext <<_ACEOF
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/* end confdefs.h. */
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#include <float.h>
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long double const a[] =
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{
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0.0L, DBL_MIN, DBL_MAX, DBL_EPSILON,
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LDBL_MIN, LDBL_MAX, LDBL_EPSILON
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};
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long double
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f (long double x)
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{
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return ((x + (unsigned long int) 10) * (-1 / x) + a[0]
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+ (x ? f (x) : 'c'));
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}
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int
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main ()
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{
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static int test_array [1 - 2 * !((0 < ((DBL_MAX_EXP < LDBL_MAX_EXP)
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+ (DBL_MANT_DIG < LDBL_MANT_DIG)
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- (LDBL_MAX_EXP < DBL_MAX_EXP)
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- (LDBL_MANT_DIG < DBL_MANT_DIG)))
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&& (int) LDBL_EPSILON == 0
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)];
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test_array [0] = 0
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;
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return 0;
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}
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_ACEOF
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rm -f conftest.$ac_objext
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if { (ac_try="$ac_compile"
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case "(($ac_try" in
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*\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
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*) ac_try_echo=$ac_try;;
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esac
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eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
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(eval "$ac_compile") 2>conftest.er1
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ac_status=$?
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grep -v '^ *+' conftest.er1 >conftest.err
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rm -f conftest.er1
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cat conftest.err >&5
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echo "$as_me:$LINENO: \$? = $ac_status" >&5
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(exit $ac_status); } && {
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test -z "$ac_c_werror_flag" ||
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test ! -s conftest.err
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} && test -s conftest.$ac_objext; then
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ac_cv_type_long_double_wider=yes
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else
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echo "$as_me: failed program was:" >&5
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sed 's/^/| /' conftest.$ac_ext >&5
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ac_cv_type_long_double_wider=no
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fi
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rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
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fi
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{ echo "$as_me:$LINENO: result: $ac_cv_type_long_double_wider" >&5
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echo "${ECHO_T}$ac_cv_type_long_double_wider" >&6; }
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if test $ac_cv_type_long_double_wider = yes; then
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cat >>confdefs.h <<\_ACEOF
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#define HAVE_LONG_DOUBLE_WIDER 1
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_ACEOF
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fi
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{ echo "$as_me:$LINENO: checking for mode_t" >&5
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echo $ECHO_N "checking for mode_t... $ECHO_C" >&6; }
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if test "${ac_cv_type_mode_t+set}" = set; then
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@ -16631,7 +16708,8 @@ fi
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done
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# BSD might not have exp2, and/or log2
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# NOTE: we use AC_CHECK_LIB to get -lm into the arguments for later checks,
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# so that AC_CHECK_FUNCS can detect functions in that library.
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{ echo "$as_me:$LINENO: checking for sqrt in -lm" >&5
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echo $ECHO_N "checking for sqrt in -lm... $ECHO_C" >&6; }
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@ -16703,6 +16781,7 @@ _ACEOF
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fi
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# BSD might not have exp2, and/or log2
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@ -16724,29 +16803,7 @@ fi
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for ac_func in exp2l log2l exp10l log10l sinl cosl tanl asinl acosl atanl atan2l powl sqrtl rintl expl logl remainderl fmodl roundl truncl floorl ceill exp2 log2 exp10 log10 sin cos tan asin acos atan atan2 pow rint exp log remainder fmod round trunc floor ceil
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for ac_func in exp2 log2 exp10 log10 sin cos tan asin acos atan atan2 pow rint exp log remainder fmod round trunc floor ceil
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do
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as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
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{ echo "$as_me:$LINENO: checking for $ac_func" >&5
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@ -16840,6 +16897,126 @@ fi
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done
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# Certain architectures don't really have long double, even though
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# AC_CHECK_FUNCS would otherwise find the following functions.
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if test "x${ac_cv_type_long_double_wider}" = "xyes" ; then
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for ac_func in exp2l log2l exp10l log10l sinl cosl tanl asinl acosl atanl atan2l powl sqrtl rintl expl logl remainderl fmodl roundl truncl floorl ceill
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do
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as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
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{ echo "$as_me:$LINENO: checking for $ac_func" >&5
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echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6; }
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if { as_var=$as_ac_var; eval "test \"\${$as_var+set}\" = set"; }; then
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echo $ECHO_N "(cached) $ECHO_C" >&6
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else
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cat >conftest.$ac_ext <<_ACEOF
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/* confdefs.h. */
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_ACEOF
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cat confdefs.h >>conftest.$ac_ext
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cat >>conftest.$ac_ext <<_ACEOF
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/* end confdefs.h. */
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/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
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For example, HP-UX 11i <limits.h> declares gettimeofday. */
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#define $ac_func innocuous_$ac_func
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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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Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
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<limits.h> exists even on freestanding compilers. */
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#ifdef __STDC__
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# include <limits.h>
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#else
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# include <assert.h>
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#endif
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#undef $ac_func
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/* Override any GCC internal prototype to avoid an error.
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Use char because int might match the return type of a GCC
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builtin and then its argument prototype would still apply. */
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#ifdef __cplusplus
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extern "C"
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#endif
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char $ac_func ();
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/* The GNU C library defines this for functions which it implements
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to always fail with ENOSYS. Some functions are actually named
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something starting with __ and the normal name is an alias. */
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#if defined __stub_$ac_func || defined __stub___$ac_func
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choke me
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#endif
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int
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main ()
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{
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return $ac_func ();
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;
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return 0;
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}
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_ACEOF
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rm -f conftest.$ac_objext conftest$ac_exeext
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if { (ac_try="$ac_link"
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case "(($ac_try" in
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*\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
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*) ac_try_echo=$ac_try;;
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esac
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eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
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(eval "$ac_link") 2>conftest.er1
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ac_status=$?
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grep -v '^ *+' conftest.er1 >conftest.err
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rm -f conftest.er1
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cat conftest.err >&5
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echo "$as_me:$LINENO: \$? = $ac_status" >&5
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(exit $ac_status); } && {
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test -z "$ac_c_werror_flag" ||
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test ! -s conftest.err
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} && test -s conftest$ac_exeext &&
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$as_test_x conftest$ac_exeext; then
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eval "$as_ac_var=yes"
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else
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echo "$as_me: failed program was:" >&5
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sed 's/^/| /' conftest.$ac_ext >&5
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eval "$as_ac_var=no"
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fi
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rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
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conftest$ac_exeext conftest.$ac_ext
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fi
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ac_res=`eval echo '${'$as_ac_var'}'`
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{ echo "$as_me:$LINENO: result: $ac_res" >&5
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echo "${ECHO_T}$ac_res" >&6; }
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if test `eval echo '${'$as_ac_var'}'` = yes; then
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cat >>confdefs.h <<_ACEOF
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#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
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_ACEOF
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fi
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done
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fi
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{ echo "$as_me:$LINENO: checking for timersub in time.h" >&5
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echo $ECHO_N "checking for timersub in time.h... $ECHO_C" >&6; }
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cat >conftest.$ac_ext <<_ACEOF
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13
configure.ac
13
configure.ac
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@ -345,6 +345,7 @@ AC_HEADER_STDBOOL
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AC_C_CONST
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AC_TYPE_UID_T
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AC_C_INLINE
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AC_TYPE_LONG_DOUBLE_WIDER
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AC_TYPE_MODE_T
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AC_TYPE_OFF_T
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AC_TYPE_PID_T
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@ -380,9 +381,17 @@ AC_FUNC_UTIME_NULL
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AC_FUNC_VPRINTF
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AC_CHECK_FUNCS([asprintf atexit closefrom dup2 eaccess endpwent euidaccess ftruncate getcwd gethostbyname gethostname getloadavg gettimeofday glob ioperm inet_ntoa isascii localtime_r memchr memmove memset mkdir munmap putenv re_comp regcomp select setenv socket strcasecmp strcasestr strchr strcspn strdup strerror strlcat strlcpy strncasecmp strndup strnlen strrchr strsep strspn strstr strtod strtol strtold strtoq unsetenv utime vasprintf getpeereid sysctl swapctl])
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# BSD might not have exp2, and/or log2
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# NOTE: we use AC_CHECK_LIB to get -lm into the arguments for later checks,
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# so that AC_CHECK_FUNCS can detect functions in that library.
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AC_CHECK_LIB([m], [sqrt])
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AC_CHECK_FUNCS([exp2l log2l exp10l log10l sinl cosl tanl asinl acosl atanl atan2l powl sqrtl rintl expl logl remainderl fmodl roundl truncl floorl ceill exp2 log2 exp10 log10 sin cos tan asin acos atan atan2 pow rint exp log remainder fmod round trunc floor ceil])
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# BSD might not have exp2, and/or log2
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AC_CHECK_FUNCS([exp2 log2 exp10 log10 sin cos tan asin acos atan atan2 pow rint exp log remainder fmod round trunc floor ceil])
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# Certain architectures don't really have long double, even though
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# AC_CHECK_FUNCS would otherwise find the following functions.
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if test "x${ac_cv_type_long_double_wider}" = "xyes" ; then
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AC_CHECK_FUNCS([exp2l log2l exp10l log10l sinl cosl tanl asinl acosl atanl atan2l powl sqrtl rintl expl logl remainderl fmodl roundl truncl floorl ceill])
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fi
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AC_MSG_CHECKING(for timersub in time.h)
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AC_LINK_IFELSE(
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@ -473,6 +473,10 @@
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/* Define to 1 if you have the `logl' function. */
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#undef HAVE_LOGL
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/* Define to 1 if the type `long double' works and has more range or precision
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than `double'. */
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#undef HAVE_LONG_DOUBLE_WIDER
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/* Define to 1 if you have the libtool library. */
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#undef HAVE_LTDL
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