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Enable ObjC exceptions by default

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git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/tools/make/trunk@31239 72102866-910b-0410-8b05-ffd578937521
This commit is contained in:
Nicola Pero 2010-09-05 23:58:03 +00:00
parent 988f5f3836
commit 740c4a7f56
3 changed files with 27 additions and 20 deletions
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6
ChangeLog
View file

@ -1,3 +1,9 @@
2010-09-06 Nicola Pero <nicola.pero@meta-innovation.com>
* configure.ac: Enable native exceptions by default if the
compiler supports them.
* configure: Regenerated.
2010-08-21 Nicola Pero <nicola.pero@meta-innovation.com>
* Instance/Shared/strings.make: Renamed most local variables to

23
configure vendored
View file

@ -1418,9 +1418,11 @@ Optional Features:
not supported / does not work on your machine.
--enable-native-objc-exceptions
Use native Objective-C exceptions. Use this option if you want
to use the native Objective-C exception support (@try/@catch/@finally)
--disable-native-objc-exceptions
Disable native Objective-C exception support
(@try/@catch/@finally/@synchronized) which is otherwise
automatically enabled if the compiler supports it. Use this option
if you do not want to use the native Objective-C exception support
provided by newer GCC compilers.
@ -5956,15 +5958,17 @@ ac_cv_objc_threaded="$objc_threaded"
if test "${enable_native_objc_exceptions+set}" = set; then
enableval=$enable_native_objc_exceptions; USE_OBJC_EXCEPTIONS=$enableval
else
USE_OBJC_EXCEPTIONS=no
USE_OBJC_EXCEPTIONS=yes
fi
# Please note that -fobjc-exceptions should automatically enable
# -fexceptions.
{ echo "$as_me:$LINENO: checking whether we should use native ObjC exceptions" >&5
echo $ECHO_N "checking whether we should use native ObjC exceptions... $ECHO_C" >&6; }
if test x"$USE_OBJC_EXCEPTIONS" = x"yes"; then
# What we want to do: set USE_OBJC_EXCEPTIONS to yes if we can compile
# something with @try/@catch/@finally in it.
# something with @try/@catch/@finally/@synchronized in it.
if test ! ${GCC} = "yes" ; then
USE_OBJC_EXCEPTIONS=no
{ echo "$as_me:$LINENO: result: no: compiler isn't gcc" >&5
@ -6042,13 +6046,8 @@ echo "${ECHO_T}$USE_OBJC_EXCEPTIONS" >&6; }
LIBS="$LIBS_no_exceptions"
fi
if test x$USE_OBJC_EXCEPTIONS = xno; then
{ echo "$as_me:$LINENO: Native objective-c exceptions were requested, but the compiler" >&5
echo "$as_me: Native objective-c exceptions were requested, but the compiler" >&6;}
{ echo "$as_me:$LINENO: doesn't support them." >&5
echo "$as_me: doesn't support them." >&6;}
{ { echo "$as_me:$LINENO: error: compiler doesn't support native objective-c exceptions" >&5
echo "$as_me: error: compiler doesn't support native objective-c exceptions" >&2;}
{ (exit 1); exit 1; }; }
{ echo "$as_me:$LINENO: Native objective-c exceptions are not supported by the compiler" >&5
echo "$as_me: Native objective-c exceptions are not supported by the compiler" >&6;}
fi
else
{ echo "$as_me:$LINENO: result: not requested by user" >&5

18
configure.ac
View file

@ -1287,18 +1287,22 @@ AC_SUBST(ac_cv_objc_threaded)
#--------------------------------------------------------------------
AC_ARG_ENABLE(native-objc-exceptions, [
--enable-native-objc-exceptions
Use native Objective-C exceptions. Use this option if you want
to use the native Objective-C exception support (@try/@catch/@finally)
--disable-native-objc-exceptions
Disable native Objective-C exception support
(@try/@catch/@finally/@synchronized) which is otherwise
automatically enabled if the compiler supports it. Use this option
if you do not want to use the native Objective-C exception support
provided by newer GCC compilers.
],
USE_OBJC_EXCEPTIONS=$enableval,
USE_OBJC_EXCEPTIONS=no)
USE_OBJC_EXCEPTIONS=yes)
# Please note that -fobjc-exceptions should automatically enable
# -fexceptions.
AC_MSG_CHECKING(whether we should use native ObjC exceptions)
if test x"$USE_OBJC_EXCEPTIONS" = x"yes"; then
# What we want to do: set USE_OBJC_EXCEPTIONS to yes if we can compile
# something with @try/@catch/@finally in it.
# something with @try/@catch/@finally/@synchronized in it.
if test ! ${GCC} = "yes" ; then
USE_OBJC_EXCEPTIONS=no
AC_MSG_RESULT(no: compiler isn't gcc)
@ -1332,9 +1336,7 @@ int main(int argc, char **argv)
LIBS="$LIBS_no_exceptions"
fi
if test x$USE_OBJC_EXCEPTIONS = xno; then
AC_MSG_NOTICE([Native objective-c exceptions were requested, but the compiler])
AC_MSG_NOTICE([doesn't support them.])
AC_MSG_ERROR([compiler doesn't support native objective-c exceptions])
AC_MSG_NOTICE(Native objective-c exceptions are not supported by the compiler)
fi
else
AC_MSG_RESULT(not requested by user)