akr	2008-07-03 16:22:06 +0900 (Thu, 03 Jul 2008)

  New Revision: 17841

  Modified files:
    branches/ruby_1_8/ChangeLog
    branches/ruby_1_8/configure.in
    trunk/ChangeLog
    trunk/configure.in

  Log:
    * 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



  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=rev&revision=17841

Index: configure.in
===================================================================
--- configure.in	(revision 17840)
+++ configure.in	(revision 17841)
@@ -700,6 +700,27 @@
   ;;
 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 \
Index: ChangeLog
===================================================================
--- ChangeLog	(revision 17840)
+++ ChangeLog	(revision 17841)
@@ -1,3 +1,10 @@
+Thu Jul  3 16:08:36 2008  Tanaka Akira  <akr@f...>
+
+	* 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@r...>
 
 	* lib/net/smtp.rb (Net::SMTP::start): use 'localhost' instead of
Index: ruby_1_8/configure.in
===================================================================
--- ruby_1_8/configure.in	(revision 17840)
+++ ruby_1_8/configure.in	(revision 17841)
@@ -599,6 +599,27 @@
 AC_FUNC_MEMCMP
 AC_FUNC_FSEEKO
 AC_CHECK_FUNCS(ftello)
+
+# 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 strcasecmp strncasecmp strerror strftime\
 		 strchr strstr strtoul crypt flock vsnprintf\
 		 isnan finite isinf hypot acosh erf)
Index: ruby_1_8/ChangeLog
===================================================================
--- ruby_1_8/ChangeLog	(revision 17840)
+++ ruby_1_8/ChangeLog	(revision 17841)
@@ -1,3 +1,10 @@
+Thu Jul  3 16:08:36 2008  Tanaka Akira  <akr@f...>
+
+	* 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@r...>
 
 	* lib/net/smtp.rb (Net::SMTP::start): use 'localhost' instead of

--
ML: ruby-changes@q...
Info: http://www.atdot.net/~ko1/quickml/