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Add test for presence of __objc_msg_forward2
git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@25059 72102866-910b-0410-8b05-ffd578937521
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5 changed files with 62 additions and 1 deletions
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@ -1,3 +1,10 @@
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2007-04-16 Richard Frith-Macdonald <rfm@gnu.org>
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* config/config.forward2.m: Test for forward2 function in runtime.
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* configure.ac: Run forward2 test
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* Headers/Additions/GNUstepBase/config.h.in: record forward2 test.
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* configure: regenerate
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2007-04-15 Richard Frith-Macdonald <rfm@gnu.org>
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* configure.ac: check for wide character support in printf
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@ -196,6 +196,9 @@
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/* Define to 1 if you have the <float.h> header file. */
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#undef HAVE_FLOAT_H
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/* Define if libobjc has the __objc_msg_forward2 function */
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#undef HAVE_FORWARD2
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/* Define to 1 if you have the `getcwd' function. */
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#undef HAVE_GETCWD
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7
config/config.forward2.m
Normal file
7
config/config.forward2.m
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#include <objc/objc-api.h>
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int main (void)
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{
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IMP (*__objc_msg_forward1)(id,SEL) = __objc_msg_forward2;
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return 0;
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}
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37
configure
vendored
37
configure
vendored
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@ -15985,6 +15985,42 @@ CPPFLAGS="$CPPFLAGS $OBJCFLAGS -x objective-c"
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{ echo "$as_me:$LINENO: checking for forwarding callback in runtime" >&5
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echo $ECHO_N "checking for forwarding callback in runtime... $ECHO_C" >&6; }
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cat >conftest.$ac_ext <<_ACEOF
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#include "$srcdir/config/config.forward2.m"
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_ACEOF
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rm -f conftest.$ac_objext
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if { (ac_try="$ac_compile"
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case "(($ac_try" in
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*\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
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*) ac_try_echo=$ac_try;;
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esac
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eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
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(eval "$ac_compile") 2>conftest.er1
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ac_status=$?
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grep -v '^ *+' conftest.er1 >conftest.err
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rm -f conftest.er1
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cat conftest.err >&5
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echo "$as_me:$LINENO: \$? = $ac_status" >&5
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(exit $ac_status); } && {
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test -z "$ac_c_werror_flag" ||
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test ! -s conftest.err
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} && test -s conftest.$ac_objext; then
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have_forward_hook=yes
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else
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echo "$as_me: failed program was:" >&5
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sed 's/^/| /' conftest.$ac_ext >&5
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have_forward_hook=no
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fi
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rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
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if test $have_forward_hook = yes; then
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cat >>confdefs.h <<\_ACEOF
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#define HAVE_FORWARD2 1
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_ACEOF
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else
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cat >conftest.$ac_ext <<_ACEOF
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#include "$srcdir/config/config.forward.m"
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_ACEOF
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rm -f conftest.$ac_objext
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@ -16013,6 +16049,7 @@ sed 's/^/| /' conftest.$ac_ext >&5
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fi
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rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
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fi
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{ echo "$as_me:$LINENO: result: $have_forward_hook" >&5
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echo "${ECHO_T}$have_forward_hook" >&6; }
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if test $have_forward_hook = no; then
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@ -1862,8 +1862,15 @@ have_forward_hook=yes
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saved_CPPFLAGS="$CPPFLAGS"
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CPPFLAGS="$CPPFLAGS $OBJCFLAGS -x objective-c"
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AC_MSG_CHECKING(for forwarding callback in runtime)
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AC_COMPILE_IFELSE([#include "$srcdir/config/config.forward.m"],
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AC_COMPILE_IFELSE([#include "$srcdir/config/config.forward2.m"],
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have_forward_hook=yes, have_forward_hook=no)
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if test $have_forward_hook = yes; then
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AC_DEFINE(HAVE_FORWARD2,1,
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[Define if libobjc has the __objc_msg_forward2 function])
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else
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AC_COMPILE_IFELSE([#include "$srcdir/config/config.forward.m"],
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have_forward_hook=yes, have_forward_hook=no)
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fi
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AC_MSG_RESULT($have_forward_hook)
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if test $have_forward_hook = no; then
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enable_libffi=no
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