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  r62499 | mark.dickinson | 2008-04-25 12:11:04 -0400 (Fri, 25 Apr 2008) | 7 lines

  Issue #1496032.  Add -mieee to BASECFLAGS on alpha, when gcc is
  the compiler.  This should(?) help to fix failures in test_math
  and test_cmath on Linux/alpha.

  Also add configure message reporting the result of uname -m, as
  a debugging aid.
........
This commit is contained in:
Mark Dickinson 2008-04-26 20:48:56 +00:00
parent a1e5325cf2
commit b0e2b4c52f
3 changed files with 33 additions and 1 deletions
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2
Misc/NEWS
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@ -47,6 +47,8 @@ Library
Build
-----
- Issue #1496032: On alpha, use -mieee when gcc is the compiler.
- "make install" is now an alias for "make altinstall", to prevent
accidentally overwriting a Python 2.x installation.
Use "make fullinstall" to force Python 3.0 to be installed as

18
configure vendored
View file

@ -1,5 +1,5 @@
#! /bin/sh
# From configure.in Revision: 62146 .
# From configure.in Revision: 62451 .
# Guess values for system-dependent variables and create Makefiles.
# Generated by GNU Autoconf 2.61 for python 3.0.
#
@ -2153,6 +2153,12 @@ echo "${ECHO_T}$EXTRAPLATDIR" >&6; }
CONFIGURE_MACOSX_DEPLOYMENT_TARGET=
EXPORT_MACOSX_DEPLOYMENT_TARGET='#'
{ echo "$as_me:$LINENO: checking machine type as reported by uname -m" >&5
echo $ECHO_N "checking machine type as reported by uname -m... $ECHO_C" >&6; }
ac_sys_machine=`uname -m`
{ echo "$as_me:$LINENO: result: $ac_sys_machine" >&5
echo "${ECHO_T}$ac_sys_machine" >&6; }
# checks for alternative programs
# compiler flags are generated in two sets, BASECFLAGS and OPT. OPT is just
@ -4503,6 +4509,16 @@ echo "${ECHO_T}$ac_cv_no_strict_aliasing_ok" >&6; }
then
BASECFLAGS="$BASECFLAGS -fno-strict-aliasing"
fi
# if using gcc on alpha, use -mieee to get (near) full IEEE 754
# support. Without this, treatment of subnormals doesn't follow
# the standard.
case $ac_sys_machine in
alpha*)
BASECFLAGS="$BASECFLAGS -mieee"
;;
esac
case $ac_sys_system in
SCO_SV*)
BASECFLAGS="$BASECFLAGS -m486 -DSCO5"

14
configure.in
View file

@ -333,6 +333,10 @@ AC_SUBST(EXPORT_MACOSX_DEPLOYMENT_TARGET)
CONFIGURE_MACOSX_DEPLOYMENT_TARGET=
EXPORT_MACOSX_DEPLOYMENT_TARGET='#'
AC_MSG_CHECKING(machine type as reported by uname -m)
ac_sys_machine=`uname -m`
AC_MSG_RESULT($ac_sys_machine)
# checks for alternative programs
# compiler flags are generated in two sets, BASECFLAGS and OPT. OPT is just
@ -792,6 +796,16 @@ yes)
then
BASECFLAGS="$BASECFLAGS -fno-strict-aliasing"
fi
# if using gcc on alpha, use -mieee to get (near) full IEEE 754
# support. Without this, treatment of subnormals doesn't follow
# the standard.
case $ac_sys_machine in
alpha*)
BASECFLAGS="$BASECFLAGS -mieee"
;;
esac
case $ac_sys_system in
SCO_SV*)
BASECFLAGS="$BASECFLAGS -m486 -DSCO5"