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Disable ffcall if native exceptions are in use.
git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@27156 72102866-910b-0410-8b05-ffd578937521
This commit is contained in:
Richard Frith-MacDonald
parent
6a344a1499
commit
bf6ddf132e
3 changed files with 59 additions and 7 deletions
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@ -1,3 +1,11 @@
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2008-11-27 Richard Frith-Macdonald <rfm@gnu.org>
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* configure.ac: check for native exceptions use.
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* configure: regenerate
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Disable the use of ffcall with native exceptions as the two are
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incompatible (ffcall changes the stack so that throwing an exception
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will crash the process).
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2008-11-27 Richard Frith-Macdonald <rfm@gnu.org>
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* Source/NSDistributedNotificationCenter.m:
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26
configure
vendored
26
configure
vendored
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@ -1379,6 +1379,13 @@ if test -z "$GNUSTEP_MAKEFILES"; then
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GNUSTEP_MAKEFILES=`gnustep-config --variable=GNUSTEP_MAKEFILES 2>&5`
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fi
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exceptions=`gnustep-config --objc-flags | grep _NATIVE_OBJC_EXCEPTIONS 2>&5`
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if test -z "$exceptions"; then
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exceptions=no
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else
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exceptions=yes
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fi
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if test -z "$GNUSTEP_MAKEFILES"; then
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{ { echo "$as_me:$LINENO: error: You must have the gnustep-make package installed and set up the GNUSTEP_MAKEFILES environment variable to contain the path to the makefiles directory before configuring!" >&5
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echo "$as_me: error: You must have the gnustep-make package installed and set up the GNUSTEP_MAKEFILES environment variable to contain the path to the makefiles directory before configuring!" >&2;}
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@ -16550,7 +16557,6 @@ case "$target_cpu" in
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sparc64*)
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case "$target_os" in
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solaris*)
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do_broken_libffi=no;
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do_broken_libffcall=yes;
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do_enable_libffi=yes;
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do_enable_libffcall=no;;
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@ -16559,6 +16565,12 @@ case "$target_cpu" in
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*) ;;
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esac
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if test "$exceptions" = "yes"; then
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# ffcall will mess up native exceptions, so we must disable it.
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do_broken_libffcall=yes
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do_enable_libffcall=no
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fi
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# Check whether --enable-libffi or --disable-libffi was given.
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if test "${enable_libffi+set}" = set; then
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enableval="$enable_libffi"
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@ -16622,6 +16634,7 @@ esac
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fi
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if test "$do_broken_ffi" = "no"; then
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if test "${ac_cv_header_ffi_h+set}" = set; then
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echo "$as_me:$LINENO: checking for ffi.h" >&5
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echo $ECHO_N "checking for ffi.h... $ECHO_C" >&6
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@ -16766,6 +16779,10 @@ else
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fi
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else
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have_libffi=no
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fi
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if test "$do_broken_ffcall" = "no"; then
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for ac_header in callback.h
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do
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@ -16918,6 +16935,9 @@ fi
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done
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else
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have_ffcall=no
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fi
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if test $have_ffcall = no; then
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enable_ffcall=no
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# If we don't have ffcall but do have libffi, use libffi
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@ -17202,7 +17222,9 @@ echo "${ECHO_T}none" >&6
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echo "we recommend installing libffi instead."
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else
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echo "You do not have either ffcall or libffi installed, or configure needs"
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echo "--with-ffi-include and/or --with-ffi-library flags so GNUstep can find them"
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echo "--with-ffi-include and/or --with-ffi-library flags so GNUstep can find them,"
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echo "or you have ffcall but gnustep-make is configured to use native exceptions"
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echo "(native exceptions are not compatible with ffcall)."
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fi
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echo "GNUstep requires ffcall or libffi and proper libobjc hooks to do"
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echo "invocations and DO."
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26
configure.ac
26
configure.ac
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@ -39,6 +39,13 @@ if test -z "$GNUSTEP_MAKEFILES"; then
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GNUSTEP_MAKEFILES=`gnustep-config --variable=GNUSTEP_MAKEFILES 2>&5`
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fi
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exceptions=`gnustep-config --objc-flags | grep _NATIVE_OBJC_EXCEPTIONS 2>&5`
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if test -z "$exceptions"; then
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exceptions=no
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else
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exceptions=yes
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fi
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if test -z "$GNUSTEP_MAKEFILES"; then
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AC_MSG_ERROR([You must have the gnustep-make package installed and set up the GNUSTEP_MAKEFILES environment variable to contain the path to the makefiles directory before configuring!])
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fi
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@ -1910,7 +1917,6 @@ case "$target_cpu" in
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sparc64*)
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case "$target_os" in
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solaris*)
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do_broken_libffi=no;
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do_broken_libffcall=yes;
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do_enable_libffi=yes;
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do_enable_libffcall=no;;
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@ -1919,6 +1925,12 @@ case "$target_cpu" in
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*) ;;
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esac
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if test "$exceptions" = "yes"; then
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# ffcall will mess up native exceptions, so we must disable it.
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do_broken_libffcall=yes
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do_enable_libffcall=no
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fi
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AC_ARG_ENABLE(libffi,
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[ --enable-libffi Enable use of libffi library],,
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enable_libffi=$do_enable_libffi)
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@ -1951,8 +1963,16 @@ if test ${ffi_libdir} != "no"; then
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GS_ADD_LIBRARY_PATH([${ffi_libdir}])
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fi
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if test "$do_broken_ffi" = "no"; then
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AC_CHECK_HEADER(ffi.h, have_libffi=yes, have_libffi=no)
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else
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have_libffi=no
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fi
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if test "$do_broken_ffcall" = "no"; then
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AC_CHECK_HEADERS(callback.h, have_ffcall=yes, have_ffcall=no)
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else
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have_ffcall=no
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fi
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if test $have_ffcall = no; then
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enable_ffcall=no
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# If we don't have ffcall but do have libffi, use libffi
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@ -2041,7 +2061,9 @@ if test $ffi_ok = no; then
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echo "we recommend installing libffi instead."
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else
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echo "You do not have either ffcall or libffi installed, or configure needs"
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echo "--with-ffi-include and/or --with-ffi-library flags so GNUstep can find them"
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echo "--with-ffi-include and/or --with-ffi-library flags so GNUstep can find them,"
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echo "or you have ffcall but gnustep-make is configured to use native exceptions"
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echo "(native exceptions are not compatible with ffcall)."
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fi
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echo "GNUstep requires ffcall or libffi and proper libobjc hooks to do"
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echo "invocations and DO."
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