* Added -fno-strict-aliasing detection to configure.in (-fstrict-aliasing is added through -O2), since the code is not aliasing safe and causes warnings with gcc.

- This also fixes a missing line in the pre-built configure script (since r14870).

git-svn-id: https://svn.code.sf.net/p/rathena/svn/trunk@14935 54d463be-8e91-2dee-dedb-b68131a5f0ec
This commit is contained in:
ai4rei 2011-08-16 17:09:27 +00:00
parent 81ce878498
commit deb770e053
3 changed files with 68 additions and 0 deletions

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@ -1,5 +1,8 @@
Date Added
2011/08/16
* Added -fno-strict-aliasing detection to configure.in (-fstrict-aliasing is added through -O2), since the code is not aliasing safe and causes warnings with gcc. [Ai4rei]
- This also fixes a missing line in the pre-built configure script (since r14870).
2011/08/11
* Fixed bonuses bAddMonsterDropItem and bAddMonsterDropItemGroup (which broke after bAddClassDropItem was added). [Skotlex]
2011/08/10

49
configure vendored
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@ -3475,6 +3475,54 @@ rm -f conftest.err conftest.$ac_objext \
#
# -O2 implies -fstrict-aliasing, but the code is not safe for that
#
echo "$as_me:$LINENO: checking whether $CC supports -fno-strict-aliasing" >&5
echo $ECHO_N "checking whether $CC supports -fno-strict-aliasing... $ECHO_C" >&6
OLD_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS -fno-strict-aliasing"
cat >conftest.$ac_ext <<_ACEOF
int foo;
_ACEOF
rm -f conftest.$ac_objext
if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
(eval $ac_compile) 2>conftest.er1
ac_status=$?
grep -v '^ *+' conftest.er1 >conftest.err
rm -f conftest.er1
cat conftest.err >&5
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); } &&
{ ac_try='test -z "$ac_c_werror_flag"
|| test ! -s conftest.err'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); }; } &&
{ ac_try='test -s conftest.$ac_objext'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); }; }; then
echo "$as_me:$LINENO: result: yes" >&5
echo "${ECHO_T}yes" >&6
else
echo "$as_me: failed program was:" >&5
sed 's/^/| /' conftest.$ac_ext >&5
echo "$as_me:$LINENO: result: no" >&5
echo "${ECHO_T}no" >&6
CFLAGS="$OLD_CFLAGS"
fi
rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
#
# DB_MANUAL_CAST_TO_UNION
#
@ -6178,6 +6226,7 @@ do
# Handling of arguments.
"Makefile" ) CONFIG_FILES="$CONFIG_FILES Makefile" ;;
"src/common/Makefile" ) CONFIG_FILES="$CONFIG_FILES src/common/Makefile" ;;
"3rdparty/mt19937ar/Makefile" ) CONFIG_FILES="$CONFIG_FILES 3rdparty/mt19937ar/Makefile" ;;
"src/char/Makefile" ) CONFIG_FILES="$CONFIG_FILES src/char/Makefile" ;;
"src/login/Makefile" ) CONFIG_FILES="$CONFIG_FILES src/login/Makefile" ;;
"src/char_sql/Makefile" ) CONFIG_FILES="$CONFIG_FILES src/char_sql/Makefile" ;;

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@ -424,6 +424,22 @@ AC_LINK_IFELSE(
AC_SUBST([WITH_PLUGINS])
#
# -O2 implies -fstrict-aliasing, but the code is not safe for that
#
AC_MSG_CHECKING([whether $CC supports -fno-strict-aliasing])
OLD_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS -fno-strict-aliasing"
AC_COMPILE_IFELSE(
[int foo;],
[AC_MSG_RESULT([yes])],
[
AC_MSG_RESULT([no])
CFLAGS="$OLD_CFLAGS"
]
)
#
# DB_MANUAL_CAST_TO_UNION
#