STINNER Victor <vstin...@redhat.com> added the comment:
I'm a little bit scared by the idea of backporting such change in Python 2.7
and 3.7 stable branches, even if I think that it's a correct bugfix. I'm scared
by the number of platforms, I don't know all these linker flags and I am not
able to test all combinations:
AC_MSG_RESULT($CCSHARED)
# LINKFORSHARED are the flags passed to the $(CC) command that links
# the python executable -- this is only needed for a few systems
AC_MSG_CHECKING(LINKFORSHARED)
if test -z "$LINKFORSHARED"
then
case $ac_sys_system/$ac_sys_release in
AIX*) LINKFORSHARED='-Wl,-bE:Modules/python.exp -lld';;
hp*|HP*)
LINKFORSHARED="-Wl,-E -Wl,+s";;
# LINKFORSHARED="-Wl,-E -Wl,+s -Wl,+b\$(BINLIBDEST)/lib-dynload";;
Linux-android*) LINKFORSHARED="-pie -Xlinker -export-dynamic";;
Linux*|GNU*) LINKFORSHARED="-Xlinker -export-dynamic";;
# -u libsys_s pulls in all symbols in libsys
Darwin/*)
LINKFORSHARED="$extra_undefs -framework CoreFoundation"
# Issue #18075: the default maximum stack size (8MBytes) is too
# small for the default recursion limit. Increase the stack size
# to ensure that tests don't crash
LINKFORSHARED="-Wl,-stack_size,1000000 $LINKFORSHARED"
if test "$enable_framework"
then
LINKFORSHARED="$LINKFORSHARED
"'$(PYTHONFRAMEWORKDIR)/Versions/$(VERSION)/$(PYTHONFRAMEWORK)'
fi
LINKFORSHARED="$LINKFORSHARED";;
OpenUNIX*|UnixWare*) LINKFORSHARED="-Wl,-Bexport";;
SCO_SV*) LINKFORSHARED="-Wl,-Bexport";;
ReliantUNIX*) LINKFORSHARED="-W1 -Blargedynsym";;
FreeBSD*|NetBSD*|OpenBSD*|DragonFly*)
if [[ "`$CC -dM -E - </dev/null | grep __ELF__`" != "" ]]
then
LINKFORSHARED="-Wl,--export-dynamic"
fi;;
SunOS/5*) case $CC in
*gcc*)
if $CC -Xlinker --help 2>&1 | grep export-dynamic >/dev/null
then
LINKFORSHARED="-Xlinker --export-dynamic"
fi;;
esac;;
CYGWIN*)
if test $enable_shared = "no"
then
LINKFORSHARED='-Wl,--out-implib=$(LDLIBRARY)'
fi;;
QNX*)
# -Wl,-E causes the symbols to be added to the dynamic
# symbol table so that they can be found when a module
# is loaded. -N 2048K causes the stack size to be set
# to 2048 kilobytes so that the stack doesn't overflow
# when running test_compile.py.
LINKFORSHARED='-Wl,-E -N 2048K';;
VxWorks*)
LINKFORSHARED='--export-dynamic';;
esac
fi
AC_MSG_RESULT($LINKFORSHARED)
----------
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Python tracker <rep...@bugs.python.org>
<https://bugs.python.org/issue36508>
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