bpo-42087: Remove support for AIX 5.3 and below (GH-22830)
As AIX 5.3 and below do not support thread_cputime, it was decided in https://bugs.python.org/issue40680 to require AIX 6.1 and above. This commit removes workarounds for — and references to — older, unsupported AIX versions.
This commit is contained in:
Kevin Adler
GitHub
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ae6cd7cfda
commit
c79667ff79
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@ -1639,7 +1639,7 @@ libainstall: @DEF_MAKE_RULE@ python-config
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$(INSTALL_SCRIPT) Modules/ld_so_aix \
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$(DESTDIR)$(LIBPL)/ld_so_aix; \
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echo "$(LIBPL)/ld_so_aix"; \
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echo; echo "See Misc/AIX-NOTES for details."; \
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echo; echo "See Misc/README.AIX for details."; \
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else true; \
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fi
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@ -0,0 +1 @@
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Support was removed for AIX 5.3 and below. See :issue:`40680`.
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@ -37,11 +37,6 @@ cd Python-3.2
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CC=xlc_r OPT="-O2 -qmaxmem=70000" ./configure --without-computed-gotos --enable-shared
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make
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Note:
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On AIX 5.3 and earlier, you will also need to specify the
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"--disable-ipv6" flag to configure. This has been corrected in AIX
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6.1.
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======================================================================
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Memory Limitations
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@ -556,7 +556,6 @@ static struct langinfo_constant{
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LANGINFO(PM_STR),
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/* The following constants are available only with XPG4, but...
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AIX 3.2. only has CODESET.
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OpenBSD doesn't have CODESET but has T_FMT_AMPM, and doesn't have
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a few of the others.
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Solution: ifdef-test them all. */
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@ -3,7 +3,7 @@
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# ===========================================================================
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# FILE: makexp_aix
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# TYPE: standalone executable
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# SYSTEM: AIX 3.2.5 and AIX 4
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# SYSTEM: AIX
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#
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# DESCRIPTION: This script creates an export list of ALL global symbols
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# from a list of object or archive files.
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@ -48,34 +48,24 @@ echo "*" >> $expFileName
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echo "* $notemsg" >> $expFileName
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echo "*" >> $expFileName
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# Extract the symbol list using 'nm' which produces quite
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# different output under AIX 4 than under AIX 3.2.5.
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# The following handles both versions by using a common flagset.
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# Extract the symbol list using 'nm'
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# Here are some hidden tricks:
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# 1. Use /usr/ccs/bin/nm. Relevant to AIX 3.2.5 which has
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# another version under /usr/ucb/bin/nm.
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# 2. Use the -B flag to have a standard BSD representation
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# of the symbol list on both AIX 3.2.5 and AIX 4. The "-B"
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# flag is missing in the AIX 3.2.5 online usage help of 'nm'.
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# 3. Use the -x flag to have a hex representation of the symbol
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# values. This fills the leading whitespaces on AIX 4,
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# thus simplifying the sed statement.
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# 4. Eliminate all entries except those with either "B", "D"
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# or "T" key letters. We are interested only in the global
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# (extern) BSS, DATA and TEXT symbols. With the same statement
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# we eliminate object member lines relevant to AIX 4.
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# 5. Eliminate entries containing a dot. We can have a dot only
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# as a symbol prefix, but such symbols are undefined externs.
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# 6. Eliminate everything including the key letter, so that we're
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# left with just the symbol name.
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# 7. Eliminate all entries containing two colons, like Class::method
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# - Use the -B flag to have a standard BSD representation
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# of the symbol list.
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# - Use the -x flag to have a hex representation of the symbol
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# values. This fills the leading whitespaces, thus simplifying
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# the sed statement.
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# - Eliminate all entries except those with either "B", "D"
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# or "T" key letters. We are interested only in the global
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# (extern) BSS, DATA and TEXT symbols. With the same statement
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# we eliminate object member lines relevant to AIX 4.
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# - Eliminate entries containing a dot. We can have a dot only
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# as a symbol prefix, but such symbols are undefined externs.
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# - Eliminate everything including the key letter, so that we're
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# left with just the symbol name.
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# - Eliminate all entries containing two colons, like Class::method
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#
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# Use -X32_64 if it appears to be implemented in this version of 'nm'.
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NM=/usr/ccs/bin/nm
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xopt=-X32_64
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$NM -e $xopt $1 >/dev/null 2>&1 || xopt=""
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$NM -Bex $xopt $inputFiles \
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/usr/ccs/bin/nm -Bex -X32_64 $inputFiles \
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| sed -e '/ [^BDT] /d' -e '/\./d' -e 's/.* [BDT] //' -e '/::/d' \
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| sort | uniq >> $expFileName
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@ -3430,16 +3430,6 @@ $as_echo "#define _BSD_SOURCE 1" >>confdefs.h
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define_xopen_source=no;;
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Darwin/[12][0-9].*)
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define_xopen_source=no;;
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# On AIX 4 and 5.1, mbstate_t is defined only when _XOPEN_SOURCE == 500 but
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# used in wcsnrtombs() and mbsnrtowcs() even if _XOPEN_SOURCE is not defined
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# or has another value. By not (re)defining it, the defaults come in place.
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AIX/4)
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define_xopen_source=no;;
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AIX/5)
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if test `uname -r` -eq 1; then
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define_xopen_source=no
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fi
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;;
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# On QNX 6.3.2, defining _XOPEN_SOURCE prevents netdb.h from
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# defining NI_NUMERICHOST.
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QNX/6.3.2)
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@ -5828,10 +5818,7 @@ $as_echo_n "checking EXPORTSYMS... " >&6; }
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case $ac_sys_system in
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AIX*)
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EXPORTSYMS="Modules/python.exp"
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if test $ac_sys_release -ge 5 -o \
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$ac_sys_release -eq 4 -a `uname -r` -ge 2 ; then
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EXPORTSFROM=. # the main executable
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fi
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EXPORTSFROM=. # the main executable
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;;
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esac
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{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $EXPORTSYMS" >&5
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@ -11657,7 +11644,7 @@ fi
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DLINCLDIR=.
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# the dlopen() function means we might want to use dynload_shlib.o. some
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# platforms, such as AIX, have dlopen(), but don't want to use it.
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# platforms have dlopen(), but don't want to use it.
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for ac_func in dlopen
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do :
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ac_fn_c_check_func "$LINENO" "dlopen" "ac_cv_func_dlopen"
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17
configure.ac
17
configure.ac
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@ -512,16 +512,6 @@ case $ac_sys_system/$ac_sys_release in
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define_xopen_source=no;;
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Darwin/@<:@[12]@:>@@<:@0-9@:>@.*)
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define_xopen_source=no;;
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# On AIX 4 and 5.1, mbstate_t is defined only when _XOPEN_SOURCE == 500 but
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# used in wcsnrtombs() and mbsnrtowcs() even if _XOPEN_SOURCE is not defined
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# or has another value. By not (re)defining it, the defaults come in place.
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AIX/4)
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define_xopen_source=no;;
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AIX/5)
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if test `uname -r` -eq 1; then
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define_xopen_source=no
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fi
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;;
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# On QNX 6.3.2, defining _XOPEN_SOURCE prevents netdb.h from
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# defining NI_NUMERICHOST.
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QNX/6.3.2)
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@ -1048,10 +1038,7 @@ AC_MSG_CHECKING(EXPORTSYMS)
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case $ac_sys_system in
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AIX*)
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EXPORTSYMS="Modules/python.exp"
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if test $ac_sys_release -ge 5 -o \
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$ac_sys_release -eq 4 -a `uname -r` -ge 2 ; then
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EXPORTSFROM=. # the main executable
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fi
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EXPORTSFROM=. # the main executable
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;;
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esac
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AC_MSG_RESULT($EXPORTSYMS)
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@ -3631,7 +3618,7 @@ AC_SUBST(DLINCLDIR)
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DLINCLDIR=.
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# the dlopen() function means we might want to use dynload_shlib.o. some
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# platforms, such as AIX, have dlopen(), but don't want to use it.
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# platforms have dlopen(), but don't want to use it.
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AC_CHECK_FUNCS(dlopen)
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# DYNLOADFILE specifies which dynload_*.o file we will use for dynamic
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