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* configure.in (erfc): erfc of glibc comes with Debian GNU/Linux Etch

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on IA64 is broken.  erfc(10000.0) aborts.
  use missing/erf.c instead.
  http://sources.redhat.com/ml/libc-hacker/2005-08/msg00008.html


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@17841 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
akr 2008-07-03 07:22:06 +00:00
parent 3819f8d156
commit f8348e1124
2 changed files with 28 additions and 0 deletions
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7
ChangeLog
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@ -1,3 +1,10 @@
Thu Jul 3 16:08:36 2008 Tanaka Akira <akr@fsij.org>
* configure.in (erfc): erfc of glibc comes with Debian GNU/Linux Etch
on IA64 is broken. erfc(10000.0) aborts.
use missing/erf.c instead.
http://sources.redhat.com/ml/libc-hacker/2005-08/msg00008.html
Thu Jul 3 12:49:39 2008 Yukihiro Matsumoto <matz@ruby-lang.org>
* lib/net/smtp.rb (Net::SMTP::start): use 'localhost' instead of

21
configure.in
View file

@ -700,6 +700,27 @@ powerpc-darwin*)
;;
esac
AC_FUNC_MEMCMP
# http://sources.redhat.com/ml/libc-hacker/2005-08/msg00008.html
# Debian GNU/Linux Etch's libc6.1 2.3.6.ds1-13etch5 has this problem.
# Debian GNU/Linux Lenny's libc6.1 2.7-10 has no problem.
AC_CACHE_CHECK(for broken erfc of glibc comes with Debian GNU/Linux Etch on IA64, rb_broken_glibc_ia64_erfc,
[AC_TRY_RUN([
#include <math.h>
int
main()
{
erfc(10000.0);
return 0;
}
],
rb_broken_glibc_ia64_erfc=no,
rb_broken_glibc_ia64_erfc=yes,
rb_broken_glibc_ia64_erfc=no)])
case $rb_broken_glibc_ia64_erfc in
yes) ac_cv_func_erf=no;;
esac
AC_REPLACE_FUNCS(dup2 memmove strerror strftime\
strchr strstr crypt flock vsnprintf\
isnan finite isinf hypot acosh erf tgamma lgamma_r cbrt \