Browse Source
[3.10] bpo-46513: Remove AC_C_CHAR_UNSIGNED / __CHAR_UNSIGNED__ (GH-30851) (GH-30914)
Co-authored-by: Christian Heimes <christian@python.org>
pull/30922/head
Christian Heimes
4 years ago
committed by
GitHub
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GPG Key ID: 4AEE18F83AFDEB23
5 changed files with
2 additions and
46 deletions
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Misc/NEWS.d/next/Build/2022-01-25-12-32-37.bpo-46513.mPm9B4.rst
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Modules/audioop.c
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configure
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configure.ac
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pyconfig.h.in
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@ -0,0 +1,2 @@ |
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:program:`configure` no longer uses ``AC_C_CHAR_UNSIGNED`` macro and |
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``pyconfig.h`` no longer defines reserved symbol ``__CHAR_UNSIGNED__``. |
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@ -5,13 +5,6 @@ |
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#include "Python.h" |
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#if defined(__CHAR_UNSIGNED__) |
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#if defined(signed) |
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/* This module currently does not work on systems where only unsigned |
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characters are available. Take it out of Setup. Sorry. */ |
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#endif |
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#endif |
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static const int maxvals[] = {0, 0x7F, 0x7FFF, 0x7FFFFF, 0x7FFFFFFF}; |
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/* -1 trick is needed on Windows to support -0x80000000 without a warning */ |
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static const int minvals[] = {0, -0x80, -0x8000, -0x800000, -0x7FFFFFFF-1}; |
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@ -14183,39 +14183,6 @@ fi |
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# checks for compiler characteristics |
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{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether char is unsigned" >&5 |
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$as_echo_n "checking whether char is unsigned... " >&6; } |
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if ${ac_cv_c_char_unsigned+:} false; then : |
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$as_echo_n "(cached) " >&6 |
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else |
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cat confdefs.h - <<_ACEOF >conftest.$ac_ext |
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/* end confdefs.h. */ |
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$ac_includes_default |
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int |
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main () |
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{ |
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static int test_array [1 - 2 * !(((char) -1) < 0)]; |
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test_array [0] = 0; |
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return test_array [0]; |
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; |
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return 0; |
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} |
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_ACEOF |
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if ac_fn_c_try_compile "$LINENO"; then : |
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ac_cv_c_char_unsigned=no |
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else |
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ac_cv_c_char_unsigned=yes |
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fi |
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rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext |
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fi |
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{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_char_unsigned" >&5 |
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$as_echo "$ac_cv_c_char_unsigned" >&6; } |
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if test $ac_cv_c_char_unsigned = yes && test "$GCC" != yes; then |
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$as_echo "#define __CHAR_UNSIGNED__ 1" >>confdefs.h |
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fi |
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{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for an ANSI C-conforming const" >&5 |
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$as_echo_n "checking for an ANSI C-conforming const... " >&6; } |
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if ${ac_cv_c_const+:} false; then : |
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@ -4322,7 +4322,6 @@ fi |
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# checks for compiler characteristics |
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AC_C_CHAR_UNSIGNED |
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AC_C_CONST |
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works=no |
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@ -1656,11 +1656,6 @@ |
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/* Define on FreeBSD to activate all library features */ |
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#undef __BSD_VISIBLE |
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/* Define to 1 if type `char' is unsigned and you are not using gcc. */ |
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#ifndef __CHAR_UNSIGNED__ |
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# undef __CHAR_UNSIGNED__ |
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#endif |
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/* Define to 'long' if <time.h> doesn't define. */ |
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#undef clock_t |
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