Issue #24324: merge from 3.5
This commit is contained in:
commit
686905fe13
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@ -811,6 +811,10 @@ Build
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- Issue #25136: Support Apple Xcode 7's new textual SDK stub libraries.
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- Issue #24324: Do not enable unreachable code warnings when using
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gcc as the option does not work correctly in older versions of gcc
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and has been silently removed as of gcc-4.5.
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Windows
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-------
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@ -1,6 +1,6 @@
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# generated automatically by aclocal 1.14.1 -*- Autoconf -*-
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# generated automatically by aclocal 1.15 -*- Autoconf -*-
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# Copyright (C) 1996-2013 Free Software Foundation, Inc.
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# Copyright (C) 1996-2014 Free Software Foundation, Inc.
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# This file is free software; the Free Software Foundation
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# gives unlimited permission to copy and/or distribute it,
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@ -6963,15 +6963,24 @@ fi
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CFLAGS="$save_CFLAGS"
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CC="$ac_save_cc"
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{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_enable_unreachable_code_warning" >&5
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$as_echo "$ac_cv_enable_unreachable_code_warning" >&6; }
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# Don't enable unreachable code warning in debug mode, since it usually
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# results in non-standard code paths.
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if test $ac_cv_enable_unreachable_code_warning = yes && test "$Py_DEBUG" != "true"
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# Issue #24324: Unfortunately, the unreachable code warning does not work
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# correctly on gcc and has been silently removed from the compiler.
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# It is supported on clang but on OS X systems gcc may be an alias
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# for clang. Try to determine if the compiler is not really gcc and,
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# if so, only then enable the warning.
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if test $ac_cv_enable_unreachable_code_warning = yes && \
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test "$Py_DEBUG" != "true" && \
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test -z "`$CC --version 2>/dev/null | grep 'Free Software Foundation'`"
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then
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BASECFLAGS="$BASECFLAGS -Wunreachable-code"
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else
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ac_cv_enable_unreachable_code_warning=no
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fi
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{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_enable_unreachable_code_warning" >&5
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$as_echo "$ac_cv_enable_unreachable_code_warning" >&6; }
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# if using gcc on alpha, use -mieee to get (near) full IEEE 754
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# support. Without this, treatment of subnormals doesn't follow
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13
configure.ac
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configure.ac
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@ -1483,14 +1483,23 @@ yes)
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]))
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CFLAGS="$save_CFLAGS"
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CC="$ac_save_cc"
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AC_MSG_RESULT($ac_cv_enable_unreachable_code_warning)
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# Don't enable unreachable code warning in debug mode, since it usually
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# results in non-standard code paths.
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if test $ac_cv_enable_unreachable_code_warning = yes && test "$Py_DEBUG" != "true"
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# Issue #24324: Unfortunately, the unreachable code warning does not work
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# correctly on gcc and has been silently removed from the compiler.
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# It is supported on clang but on OS X systems gcc may be an alias
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# for clang. Try to determine if the compiler is not really gcc and,
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# if so, only then enable the warning.
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if test $ac_cv_enable_unreachable_code_warning = yes && \
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test "$Py_DEBUG" != "true" && \
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test -z "`$CC --version 2>/dev/null | grep 'Free Software Foundation'`"
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then
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BASECFLAGS="$BASECFLAGS -Wunreachable-code"
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else
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ac_cv_enable_unreachable_code_warning=no
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fi
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AC_MSG_RESULT($ac_cv_enable_unreachable_code_warning)
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# if using gcc on alpha, use -mieee to get (near) full IEEE 754
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# support. Without this, treatment of subnormals doesn't follow
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