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The test for an existing Boehm-Weiser garbage collector must include function GC_register_my_thread

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This commit is contained in:
Juan Jose Garcia Ripoll 2009-10-01 10:20:21 +02:00
parent 3913c4464e
commit 5d2002432a
2 changed files with 97 additions and 3 deletions
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85
src/configure vendored
View file

@ -6072,7 +6072,8 @@ if test ${enable_boehm} = "no" ; then
enable_smallcons="no"
else
if test ${enable_boehm} = "auto"; then
{ $as_echo "$as_me:$LINENO: checking for GC_malloc in -lgc" >&5
if test ${enable_threads} = "no"; then
{ $as_echo "$as_me:$LINENO: checking for GC_malloc in -lgc" >&5
$as_echo_n "checking for GC_malloc in -lgc... " >&6; }
if test "${ac_cv_lib_gc_GC_malloc+set}" = set; then
$as_echo_n "(cached) " >&6
@ -6143,6 +6144,88 @@ else
enable_boehm="included"
fi
else
{ $as_echo "$as_me:$LINENO: checking for GC_register_my_thread in -lgc" >&5
$as_echo_n "checking for GC_register_my_thread in -lgc... " >&6; }
if test "${ac_cv_lib_gc_GC_register_my_thread+set}" = set; then
$as_echo_n "(cached) " >&6
else
ac_check_lib_save_LIBS=$LIBS
LIBS="-lgc $LIBS"
cat >conftest.$ac_ext <<_ACEOF
/* confdefs.h. */
_ACEOF
cat confdefs.h >>conftest.$ac_ext
cat >>conftest.$ac_ext <<_ACEOF
/* end confdefs.h. */
/* Override any GCC internal prototype to avoid an error.
Use char because int might match the return type of a GCC
builtin and then its argument prototype would still apply. */
#ifdef __cplusplus
extern "C"
#endif
char GC_register_my_thread ();
int
main ()
{
return GC_register_my_thread ();
;
return 0;
}
_ACEOF
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=$ac_try;;
esac
eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
$as_echo "$ac_try_echo") >&5
(eval "$ac_link") 2>conftest.er1
ac_status=$?
grep -v '^ *+' conftest.er1 >conftest.err
rm -f conftest.er1
cat conftest.err >&5
$as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); } && {
test -z "$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_cv_lib_gc_GC_register_my_thread=yes
else
$as_echo "$as_me: failed program was:" >&5
sed 's/^/| /' conftest.$ac_ext >&5
ac_cv_lib_gc_GC_register_my_thread=no
fi
rm -rf conftest.dSYM
rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
conftest$ac_exeext conftest.$ac_ext
LIBS=$ac_check_lib_save_LIBS
fi
{ $as_echo "$as_me:$LINENO: result: $ac_cv_lib_gc_GC_register_my_thread" >&5
$as_echo "$ac_cv_lib_gc_GC_register_my_thread" >&6; }
if test "x$ac_cv_lib_gc_GC_register_my_thread" = x""yes; then
enable_boehm="system"
else
enable_boehm="included"
fi
fi
{ $as_echo "$as_me:$LINENO: checking whether we can use the existing Boehm-Weiser library" >&5
$as_echo_n "checking whether we can use the existing Boehm-Weiser library... " >&6; }
if test ${enable_boehm} = "system"; then
{ $as_echo "$as_me:$LINENO: result: yes" >&5
$as_echo "yes" >&6; }
else
{ $as_echo "$as_me:$LINENO: result: no" >&5
$as_echo "no" >&6; }
fi
fi
if test ${enable_boehm} = "system"; then

15
src/configure.in
View file

@ -472,8 +472,19 @@ if test ${enable_boehm} = "no" ; then
enable_smallcons="no"
else
if test ${enable_boehm} = "auto"; then
AC_CHECK_LIB( [gc], [GC_malloc],
[enable_boehm="system"], [enable_boehm="included"])
if test ${enable_threads} = "no"; then
AC_CHECK_LIB( [gc], [GC_malloc],
[enable_boehm="system"], [enable_boehm="included"] )
else
AC_CHECK_LIB( [gc], [GC_register_my_thread],
[enable_boehm="system"], [enable_boehm="included"] )
fi
AC_MSG_CHECKING( [whether we can use the existing Boehm-Weiser library] )
if test ${enable_boehm} = "system"; then
AC_MSG_RESULT([yes])
else
AC_MSG_RESULT([no])
fi
fi
if test ${enable_boehm} = "system"; then