Use --as-needed when linking libpython3.so. Closes #11347.

Patch by Arfrever Frehtes Taifersar Arahesis.
This commit is contained in:
Martin v. Löwis 2011-05-09 07:37:45 +02:00
parent 19f7ca25e5
commit 48e14d3fda
4 changed files with 94 additions and 48 deletions

View file

@ -76,6 +76,7 @@ PY_CFLAGS= $(BASECFLAGS) $(OPT) $(CONFIGURE_CFLAGS) $(CFLAGS) $(EXTRA_CFLAGS)
# environment variables
PY_CPPFLAGS= -I. -IInclude -I$(srcdir)/Include $(CONFIGURE_CPPFLAGS) $(CPPFLAGS)
PY_LDFLAGS= $(CONFIGURE_LDFLAGS) $(LDFLAGS)
NO_AS_NEEDED= @NO_AS_NEEDED@
LDLAST= @LDLAST@
SGI_ABI= @SGI_ABI@
CCSHARED= @CCSHARED@
@ -459,7 +460,7 @@ libpython$(LDVERSION).so: $(LIBRARY_OBJS)
fi
libpython3.so: libpython$(LDVERSION).so
$(BLDSHARED) -o $@ -Wl,-hl$@ $^
$(BLDSHARED) $(NO_AS_NEEDED) -o $@ -Wl,-h$@ $^
libpython$(LDVERSION).dylib: $(LIBRARY_OBJS)
$(CC) -dynamiclib -Wl,-single_module $(PY_LDFLAGS) -undefined dynamic_lookup -Wl,-install_name,$(prefix)/lib/libpython$(LDVERSION).dylib -Wl,-compatibility_version,$(VERSION) -Wl,-current_version,$(VERSION) -o $@ $(LIBRARY_OBJS) $(SHLIBS) $(LIBC) $(LIBM) $(LDLAST); \

View file

@ -313,6 +313,8 @@ Library
Build
-----
- Issue #11347: Use --as-needed when linking libpython3.so.
- Issue #11411: Fix 'make DESTDIR=' with a relative destination.
- Issue #11268: Prevent Mac OS X Installer failure if Documentation

125
configure vendored
View file

@ -668,6 +668,7 @@ BUILDEXEEXT
EGREP
GREP
CPP
NO_AS_NEEDED
MAINCC
CXX
OBJEXT
@ -1572,6 +1573,52 @@ fi
} # ac_fn_c_try_compile
# ac_fn_c_try_link LINENO
# -----------------------
# Try to link conftest.$ac_ext, and return whether this succeeded.
ac_fn_c_try_link ()
{
as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
rm -f conftest.$ac_objext conftest$ac_exeext
if { { ac_try="$ac_link"
case "(($ac_try" in
*\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
*) ac_try_echo=$ac_try;;
esac
eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
$as_echo "$ac_try_echo"; } >&5
(eval "$ac_link") 2>conftest.err
ac_status=$?
if test -s conftest.err; then
grep -v '^ *+' conftest.err >conftest.er1
cat conftest.er1 >&5
mv -f conftest.er1 conftest.err
fi
$as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
test $ac_status = 0; } && {
test -z "$ac_c_werror_flag" ||
test ! -s conftest.err
} && test -s conftest$ac_exeext && {
test "$cross_compiling" = yes ||
$as_test_x conftest$ac_exeext
}; then :
ac_retval=0
else
$as_echo "$as_me: failed program was:" >&5
sed 's/^/| /' conftest.$ac_ext >&5
ac_retval=1
fi
# Delete the IPA/IPO (Inter Procedural Analysis/Optimization) information
# created by the PGI compiler (conftest_ipa8_conftest.oo), as it would
# interfere with the next link command; also delete a directory that is
# left behind by Apple's compiler. We do this before executing the actions.
rm -rf conftest.dSYM conftest_ipa8_conftest.oo
eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
as_fn_set_status $ac_retval
} # ac_fn_c_try_link
# ac_fn_c_try_cpp LINENO
# ----------------------
# Try to preprocess conftest.$ac_ext, and return whether this succeeded.
@ -1773,52 +1820,6 @@ $as_echo "$ac_res" >&6; }
} # ac_fn_c_check_header_compile
# ac_fn_c_try_link LINENO
# -----------------------
# Try to link conftest.$ac_ext, and return whether this succeeded.
ac_fn_c_try_link ()
{
as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
rm -f conftest.$ac_objext conftest$ac_exeext
if { { ac_try="$ac_link"
case "(($ac_try" in
*\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
*) ac_try_echo=$ac_try;;
esac
eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
$as_echo "$ac_try_echo"; } >&5
(eval "$ac_link") 2>conftest.err
ac_status=$?
if test -s conftest.err; then
grep -v '^ *+' conftest.err >conftest.er1
cat conftest.er1 >&5
mv -f conftest.er1 conftest.err
fi
$as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
test $ac_status = 0; } && {
test -z "$ac_c_werror_flag" ||
test ! -s conftest.err
} && test -s conftest$ac_exeext && {
test "$cross_compiling" = yes ||
$as_test_x conftest$ac_exeext
}; then :
ac_retval=0
else
$as_echo "$as_me: failed program was:" >&5
sed 's/^/| /' conftest.$ac_ext >&5
ac_retval=1
fi
# Delete the IPA/IPO (Inter Procedural Analysis/Optimization) information
# created by the PGI compiler (conftest_ipa8_conftest.oo), as it would
# interfere with the next link command; also delete a directory that is
# left behind by Apple's compiler. We do this before executing the actions.
rm -rf conftest.dSYM conftest_ipa8_conftest.oo
eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
as_fn_set_status $ac_retval
} # ac_fn_c_try_link
# ac_fn_c_check_type LINENO TYPE VAR INCLUDES
# -------------------------------------------
# Tests whether TYPE exists after having included INCLUDES, setting cache
@ -4168,8 +4169,38 @@ $as_echo "$as_me: WARNING:
fi
# checks for UNIX variants that set C preprocessor variables
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for -Wl,--no-as-needed" >&5
$as_echo_n "checking for -Wl,--no-as-needed... " >&6; }
save_LDFLAGS="$LDFLAGS"
LDFLAGS="$LDFLAGS -Wl,--no-as-needed"
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
int
main ()
{
;
return 0;
}
_ACEOF
if ac_fn_c_try_link "$LINENO"; then :
NO_AS_NEEDED="-Wl,--no-as-needed"
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
$as_echo "yes" >&6; }
else
NO_AS_NEEDED=""
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
$as_echo "no" >&6; }
fi
rm -f core conftest.err conftest.$ac_objext \
conftest$ac_exeext conftest.$ac_ext
LDFLAGS="$save_LDFLAGS"
# checks for UNIX variants that set C preprocessor variables
ac_ext=c
ac_cpp='$CPP $CPPFLAGS'
ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'

View file

@ -525,6 +525,18 @@ then
fi
AC_MSG_CHECKING([for -Wl,--no-as-needed])
save_LDFLAGS="$LDFLAGS"
LDFLAGS="$LDFLAGS -Wl,--no-as-needed"
AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[]])],
[NO_AS_NEEDED="-Wl,--no-as-needed"
AC_MSG_RESULT([yes])],
[NO_AS_NEEDED=""
AC_MSG_RESULT([no])])
LDFLAGS="$save_LDFLAGS"
AC_SUBST(NO_AS_NEEDED)
# checks for UNIX variants that set C preprocessor variables
AC_USE_SYSTEM_EXTENSIONS