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Allow Gnu gcc's to build python on OSX by removing -Wno-long-double, 

-no-cpp-precomp, and -mno-fused-madd from configure.
 * r22183 added -no-cpp-precomp, which
   http://gcc.gnu.org/ml/gcc/2005-12/msg00368.html claims hasn't been
   needed since gcc-3.1.
 * r25607 added -Wno-long-double to avoid a warning in
   Include/objimpl.h (issue 525481). The long double is still there,
   but OSX 10.4's gcc no longer warns about it.
 * r33666 fixed issue 775892 on OSX 10.3 by adding -mno-fused-madd,
   which changed the sign of some float 0s. Tim Peters said it wasn't
   a real issue anyway, and it no longer causes test failures.
Fixes issue #1779871.
This commit is contained in:
Jeffrey Yasskin 2008-03-17 14:40:53 +00:00
parent 5c35a9da65
commit 1b4e45bab9
3 changed files with 9 additions and 3 deletions
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4
Misc/NEWS
View File

@ -12,6 +12,10 @@ What's New in Python 2.6 alpha 2?
Core and builtins Core and builtins
----------------- -----------------
- Issue #1779871: Gnu gcc can now build Python on OS X because the
flags -Wno-long-double, -no-cpp-precomp, and -mno-fused-madd are no
longer passed.
- Add a warning when asserting a non-empty tuple which is always true. - Add a warning when asserting a non-empty tuple which is always true.
- Issue #2179: speed up with statement execution by storing the exit method - Issue #2179: speed up with statement execution by storing the exit method

5
configure vendored
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@ -1,5 +1,5 @@
#! /bin/sh #! /bin/sh
# From configure.in Revision: 60765 . # From configure.in Revision: 61234 .
# Guess values for system-dependent variables and create Makefiles. # Guess values for system-dependent variables and create Makefiles.
# Generated by GNU Autoconf 2.61 for python 2.6. # Generated by GNU Autoconf 2.61 for python 2.6.
# #
@ -4538,7 +4538,8 @@ echo "${ECHO_T}$ac_cv_no_strict_aliasing_ok" >&6; }
;; ;;
# is there any other compiler on Darwin besides gcc? # is there any other compiler on Darwin besides gcc?
Darwin*) Darwin*)
BASECFLAGS="$BASECFLAGS -Wno-long-double -no-cpp-precomp -mno-fused-madd" # -Wno-long-double, -no-cpp-precomp, and -mno-fused-madd
# used to be here, but non-Apple gcc doesn't accept them.
if test "${enable_universalsdk}"; then if test "${enable_universalsdk}"; then
BASECFLAGS="-arch ppc -arch i386 -isysroot ${UNIVERSALSDK} ${BASECFLAGS}" BASECFLAGS="-arch ppc -arch i386 -isysroot ${UNIVERSALSDK} ${BASECFLAGS}"
fi fi

3
configure.in
View File

@ -823,7 +823,8 @@ yes)
;; ;;
# is there any other compiler on Darwin besides gcc? # is there any other compiler on Darwin besides gcc?
Darwin*) Darwin*)
BASECFLAGS="$BASECFLAGS -Wno-long-double -no-cpp-precomp -mno-fused-madd" # -Wno-long-double, -no-cpp-precomp, and -mno-fused-madd
# used to be here, but non-Apple gcc doesn't accept them.
if test "${enable_universalsdk}"; then if test "${enable_universalsdk}"; then
BASECFLAGS="-arch ppc -arch i386 -isysroot ${UNIVERSALSDK} ${BASECFLAGS}" BASECFLAGS="-arch ppc -arch i386 -isysroot ${UNIVERSALSDK} ${BASECFLAGS}"
fi fi