Add configure-time checks for gamma and error functions.

This commit is contained in:
Mark Dickinson 2009-09-05 10:27:00 +00:00
parent 609910c210
commit 65898e08a7
3 changed files with 117 additions and 3 deletions

102
configure vendored
View File

@ -1,5 +1,5 @@
#! /bin/sh
# From configure.in Revision: 74072 .
# From configure.in Revision: 74644 .
# Guess values for system-dependent variables and create Makefiles.
# Generated by GNU Autoconf 2.61 for python 2.7.
#
@ -23366,7 +23366,105 @@ fi
for ac_func in acosh asinh atanh copysign expm1 finite hypot log1p round
for ac_func in acosh asinh atanh copysign erf erfc expm1 finite gamma
do
as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
{ echo "$as_me:$LINENO: checking for $ac_func" >&5
echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6; }
if { as_var=$as_ac_var; eval "test \"\${$as_var+set}\" = set"; }; then
echo $ECHO_N "(cached) $ECHO_C" >&6
else
cat >conftest.$ac_ext <<_ACEOF
/* confdefs.h. */
_ACEOF
cat confdefs.h >>conftest.$ac_ext
cat >>conftest.$ac_ext <<_ACEOF
/* end confdefs.h. */
/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
For example, HP-UX 11i <limits.h> declares gettimeofday. */
#define $ac_func innocuous_$ac_func
/* System header to define __stub macros and hopefully few prototypes,
which can conflict with char $ac_func (); below.
Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
<limits.h> exists even on freestanding compilers. */
#ifdef __STDC__
# include <limits.h>
#else
# include <assert.h>
#endif
#undef $ac_func
/* Override any GCC internal prototype to avoid an error.
Use char because int might match the return type of a GCC
builtin and then its argument prototype would still apply. */
#ifdef __cplusplus
extern "C"
#endif
char $ac_func ();
/* The GNU C library defines this for functions which it implements
to always fail with ENOSYS. Some functions are actually named
something starting with __ and the normal name is an alias. */
#if defined __stub_$ac_func || defined __stub___$ac_func
choke me
#endif
int
main ()
{
return $ac_func ();
;
return 0;
}
_ACEOF
rm -f conftest.$ac_objext conftest$ac_exeext
if { (ac_try="$ac_link"
case "(($ac_try" in
*\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
*) ac_try_echo=$ac_try;;
esac
eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
(eval "$ac_link") 2>conftest.er1
ac_status=$?
grep -v '^ *+' conftest.er1 >conftest.err
rm -f conftest.er1
cat conftest.err >&5
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); } && {
test -z "$ac_c_werror_flag" ||
test ! -s conftest.err
} && test -s conftest$ac_exeext &&
$as_test_x conftest$ac_exeext; then
eval "$as_ac_var=yes"
else
echo "$as_me: failed program was:" >&5
sed 's/^/| /' conftest.$ac_ext >&5
eval "$as_ac_var=no"
fi
rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
conftest$ac_exeext conftest.$ac_ext
fi
ac_res=`eval echo '${'$as_ac_var'}'`
{ echo "$as_me:$LINENO: result: $ac_res" >&5
echo "${ECHO_T}$ac_res" >&6; }
if test `eval echo '${'$as_ac_var'}'` = yes; then
cat >>confdefs.h <<_ACEOF
#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
_ACEOF
fi
done
for ac_func in hypot lgamma log1p round tgamma
do
as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
{ echo "$as_me:$LINENO: checking for $ac_func" >&5

View File

@ -3263,7 +3263,8 @@ then
[Define if tanh(-0.) is -0., or if platform doesn't have signed zeros])
fi
AC_CHECK_FUNCS([acosh asinh atanh copysign expm1 finite hypot log1p round])
AC_CHECK_FUNCS([acosh asinh atanh copysign erf erfc expm1 finite gamma])
AC_CHECK_FUNCS([hypot lgamma log1p round tgamma])
AC_CHECK_DECLS([isinf, isnan, isfinite], [], [], [[#include <math.h>]])
LIBS=$LIBS_SAVE

View File

@ -165,6 +165,12 @@
/* Define if you have the 'epoll' functions. */
#undef HAVE_EPOLL
/* Define to 1 if you have the `erf' function. */
#undef HAVE_ERF
/* Define to 1 if you have the `erfc' function. */
#undef HAVE_ERFC
/* Define to 1 if you have the <errno.h> header file. */
#undef HAVE_ERRNO_H
@ -231,6 +237,9 @@
/* Define to 1 if you have the `gai_strerror' function. */
#undef HAVE_GAI_STRERROR
/* Define to 1 if you have the `gamma' function. */
#undef HAVE_GAMMA
/* Define if you have the getaddrinfo function. */
#undef HAVE_GETADDRINFO
@ -357,6 +366,9 @@
/* Define to 1 if you have the `lchown' function. */
#undef HAVE_LCHOWN
/* Define to 1 if you have the `lgamma' function. */
#undef HAVE_LGAMMA
/* Define to 1 if you have the `dl' library (-ldl). */
#undef HAVE_LIBDL
@ -751,6 +763,9 @@
/* Define to 1 if you have the <term.h> header file. */
#undef HAVE_TERM_H
/* Define to 1 if you have the `tgamma' function. */
#undef HAVE_TGAMMA
/* Define to 1 if you have the <thread.h> header file. */
#undef HAVE_THREAD_H