i386-signal.h (MAKE_THROW_FRAME): Don't fix up frame pointer...
2001-05-29 Andrew Haley <aph@redhat.com>
* include/i386-signal.h (MAKE_THROW_FRAME): Don't fix up frame
pointer: the dwarf unwinder in libgcc will do everything that's
needed.
(HANDLE_DIVIDE_OVERFLOW): Tidy. Don't mess with stack frames any
more than we absolutely need to.
* configure.host (EXCEPTIONSPEC): Remove libgcj_sjlj on Alpha.
* configure.in (SIGNAL_HANDLER): Use include/dwarf2-signal.h on
Alpha.
(SIGNAL_HANDLER): Test "$enable_sjlj_exceptions", not
"$libgcj_sjlj".
* configure: Rebuilt.
* include/dwarf2-signal.h (MAKE_THROW_FRAME): Adjust PC
for Alpha.
(SIGNAL_HANDLER): Use siginfo style handler.
(INIT_SEGV): Likewise.
(INIT_FPE): Likewise.
* include/ppc-signal.h: Delete whole file.
From-SVN: r42691
This commit is contained in:
Andrew Haley
Andrew Haley
parent
022dae817d
commit
c9bffcd53e
6 changed files with 101 additions and 182 deletions
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@ -1,3 +1,23 @@
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2001-05-29 Andrew Haley <aph@redhat.com>
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* include/i386-signal.h (MAKE_THROW_FRAME): Don't fix up frame
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pointer: the dwarf unwinder in libgcc will do everything that's
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needed.
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(HANDLE_DIVIDE_OVERFLOW): Tidy. Don't mess with stack frames any
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more than we absolutely need to.
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* configure.host (EXCEPTIONSPEC): Remove libgcj_sjlj on Alpha.
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* configure.in (SIGNAL_HANDLER): Use include/dwarf2-signal.h on
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Alpha.
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(SIGNAL_HANDLER): Test "$enable_sjlj_exceptions", not
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"$libgcj_sjlj".
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* configure: Rebuilt.
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* include/dwarf2-signal.h (MAKE_THROW_FRAME): Adjust PC
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for Alpha.
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(SIGNAL_HANDLER): Use siginfo style handler.
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(INIT_SEGV): Likewise.
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(INIT_FPE): Likewise.
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* include/ppc-signal.h: Delete whole file.
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2001-05-24 Tom Tromey <tromey@redhat.com>
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* java/lang/natString.cc (init): Throw
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91
libjava/configure
vendored
91
libjava/configure
vendored
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@ -5871,13 +5871,16 @@ case "${host}" in
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powerpc-*-linux*)
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SIGNAL_HANDLER=include/dwarf2-signal.h
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;;
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alpha*-*-linux*)
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SIGNAL_HANDLER=include/dwarf2-signal.h
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;;
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*)
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SIGNAL_HANDLER=include/default-signal.h
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;;
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esac
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# If we're using sjlj exceptions, forget what we just learned.
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if test "$libgcj_sjlj" = yes; then
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if test "$enable_sjlj_exceptions" = yes; then
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SIGNAL_HANDLER=include/default-signal.h
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fi
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@ -5896,7 +5899,7 @@ fi
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# Uses ac_ vars as temps to allow command line to override cache and checks.
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# --without-x overrides everything else, but does not touch the cache.
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echo $ac_n "checking for X""... $ac_c" 1>&6
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echo "configure:5900: checking for X" >&5
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echo "configure:5903: checking for X" >&5
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# Check whether --with-x or --without-x was given.
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if test "${with_x+set}" = set; then
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@ -5958,12 +5961,12 @@ if test "$ac_x_includes" = NO; then
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# First, try using that file with no special directory specified.
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cat > conftest.$ac_ext <<EOF
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#line 5962 "configure"
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#line 5965 "configure"
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#include "confdefs.h"
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#include <$x_direct_test_include>
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EOF
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ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
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{ (eval echo configure:5967: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
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{ (eval echo configure:5970: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
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ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
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if test -z "$ac_err"; then
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rm -rf conftest*
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@ -6032,14 +6035,14 @@ if test "$ac_x_libraries" = NO; then
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ac_save_LIBS="$LIBS"
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LIBS="-l$x_direct_test_library $LIBS"
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cat > conftest.$ac_ext <<EOF
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#line 6036 "configure"
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#line 6039 "configure"
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#include "confdefs.h"
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int main() {
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${x_direct_test_function}()
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; return 0; }
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EOF
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if { (eval echo configure:6043: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
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if { (eval echo configure:6046: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
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rm -rf conftest*
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LIBS="$ac_save_LIBS"
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# We can link X programs with no special library path.
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@ -6145,17 +6148,17 @@ else
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case "`(uname -sr) 2>/dev/null`" in
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"SunOS 5"*)
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echo $ac_n "checking whether -R must be followed by a space""... $ac_c" 1>&6
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echo "configure:6149: checking whether -R must be followed by a space" >&5
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echo "configure:6152: checking whether -R must be followed by a space" >&5
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ac_xsave_LIBS="$LIBS"; LIBS="$LIBS -R$x_libraries"
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cat > conftest.$ac_ext <<EOF
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#line 6152 "configure"
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#line 6155 "configure"
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#include "confdefs.h"
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int main() {
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; return 0; }
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EOF
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if { (eval echo configure:6159: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
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if { (eval echo configure:6162: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
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rm -rf conftest*
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ac_R_nospace=yes
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else
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@ -6171,14 +6174,14 @@ rm -f conftest*
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else
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LIBS="$ac_xsave_LIBS -R $x_libraries"
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cat > conftest.$ac_ext <<EOF
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#line 6175 "configure"
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#line 6178 "configure"
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#include "confdefs.h"
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int main() {
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; return 0; }
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EOF
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if { (eval echo configure:6182: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
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if { (eval echo configure:6185: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
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rm -rf conftest*
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ac_R_space=yes
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else
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@ -6210,7 +6213,7 @@ rm -f conftest*
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# libraries were built with DECnet support. And karl@cs.umb.edu says
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# the Alpha needs dnet_stub (dnet does not exist).
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echo $ac_n "checking for dnet_ntoa in -ldnet""... $ac_c" 1>&6
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echo "configure:6214: checking for dnet_ntoa in -ldnet" >&5
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echo "configure:6217: checking for dnet_ntoa in -ldnet" >&5
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ac_lib_var=`echo dnet'_'dnet_ntoa | sed 'y%./+-%__p_%'`
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if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
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echo $ac_n "(cached) $ac_c" 1>&6
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@ -6218,7 +6221,7 @@ else
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ac_save_LIBS="$LIBS"
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LIBS="-ldnet $LIBS"
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cat > conftest.$ac_ext <<EOF
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#line 6222 "configure"
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#line 6225 "configure"
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#include "confdefs.h"
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/* Override any gcc2 internal prototype to avoid an error. */
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/* We use char because int might match the return type of a gcc2
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@ -6229,7 +6232,7 @@ int main() {
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dnet_ntoa()
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; return 0; }
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EOF
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if { (eval echo configure:6233: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
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if { (eval echo configure:6236: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
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rm -rf conftest*
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eval "ac_cv_lib_$ac_lib_var=yes"
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else
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@ -6251,7 +6254,7 @@ fi
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if test $ac_cv_lib_dnet_dnet_ntoa = no; then
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echo $ac_n "checking for dnet_ntoa in -ldnet_stub""... $ac_c" 1>&6
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echo "configure:6255: checking for dnet_ntoa in -ldnet_stub" >&5
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echo "configure:6258: checking for dnet_ntoa in -ldnet_stub" >&5
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ac_lib_var=`echo dnet_stub'_'dnet_ntoa | sed 'y%./+-%__p_%'`
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if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
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echo $ac_n "(cached) $ac_c" 1>&6
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@ -6259,7 +6262,7 @@ else
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ac_save_LIBS="$LIBS"
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LIBS="-ldnet_stub $LIBS"
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cat > conftest.$ac_ext <<EOF
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#line 6263 "configure"
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#line 6266 "configure"
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#include "confdefs.h"
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/* Override any gcc2 internal prototype to avoid an error. */
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/* We use char because int might match the return type of a gcc2
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@ -6270,7 +6273,7 @@ int main() {
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dnet_ntoa()
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; return 0; }
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EOF
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if { (eval echo configure:6274: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
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if { (eval echo configure:6277: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
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rm -rf conftest*
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eval "ac_cv_lib_$ac_lib_var=yes"
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else
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@ -6299,12 +6302,12 @@ fi
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# The nsl library prevents programs from opening the X display
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# on Irix 5.2, according to dickey@clark.net.
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echo $ac_n "checking for gethostbyname""... $ac_c" 1>&6
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echo "configure:6303: checking for gethostbyname" >&5
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echo "configure:6306: checking for gethostbyname" >&5
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if eval "test \"`echo '$''{'ac_cv_func_gethostbyname'+set}'`\" = set"; then
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echo $ac_n "(cached) $ac_c" 1>&6
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else
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cat > conftest.$ac_ext <<EOF
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#line 6308 "configure"
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#line 6311 "configure"
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#include "confdefs.h"
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/* System header to define __stub macros and hopefully few prototypes,
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which can conflict with char gethostbyname(); below. */
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@ -6327,7 +6330,7 @@ gethostbyname();
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; return 0; }
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EOF
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if { (eval echo configure:6331: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
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if { (eval echo configure:6334: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
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rm -rf conftest*
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eval "ac_cv_func_gethostbyname=yes"
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else
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@ -6348,7 +6351,7 @@ fi
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if test $ac_cv_func_gethostbyname = no; then
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echo $ac_n "checking for gethostbyname in -lnsl""... $ac_c" 1>&6
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echo "configure:6352: checking for gethostbyname in -lnsl" >&5
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echo "configure:6355: checking for gethostbyname in -lnsl" >&5
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ac_lib_var=`echo nsl'_'gethostbyname | sed 'y%./+-%__p_%'`
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if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
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echo $ac_n "(cached) $ac_c" 1>&6
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@ -6356,7 +6359,7 @@ else
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ac_save_LIBS="$LIBS"
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LIBS="-lnsl $LIBS"
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cat > conftest.$ac_ext <<EOF
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#line 6360 "configure"
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#line 6363 "configure"
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#include "confdefs.h"
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/* Override any gcc2 internal prototype to avoid an error. */
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/* We use char because int might match the return type of a gcc2
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@ -6367,7 +6370,7 @@ int main() {
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gethostbyname()
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; return 0; }
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EOF
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if { (eval echo configure:6371: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
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if { (eval echo configure:6374: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
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rm -rf conftest*
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eval "ac_cv_lib_$ac_lib_var=yes"
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else
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@ -6397,12 +6400,12 @@ fi
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# -lsocket must be given before -lnsl if both are needed.
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# We assume that if connect needs -lnsl, so does gethostbyname.
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echo $ac_n "checking for connect""... $ac_c" 1>&6
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echo "configure:6401: checking for connect" >&5
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echo "configure:6404: checking for connect" >&5
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if eval "test \"`echo '$''{'ac_cv_func_connect'+set}'`\" = set"; then
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echo $ac_n "(cached) $ac_c" 1>&6
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else
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cat > conftest.$ac_ext <<EOF
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#line 6406 "configure"
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#line 6409 "configure"
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#include "confdefs.h"
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/* System header to define __stub macros and hopefully few prototypes,
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which can conflict with char connect(); below. */
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@ -6425,7 +6428,7 @@ connect();
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; return 0; }
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EOF
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if { (eval echo configure:6429: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
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if { (eval echo configure:6432: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
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rm -rf conftest*
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eval "ac_cv_func_connect=yes"
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else
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@ -6446,7 +6449,7 @@ fi
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if test $ac_cv_func_connect = no; then
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echo $ac_n "checking for connect in -lsocket""... $ac_c" 1>&6
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echo "configure:6450: checking for connect in -lsocket" >&5
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echo "configure:6453: checking for connect in -lsocket" >&5
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ac_lib_var=`echo socket'_'connect | sed 'y%./+-%__p_%'`
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if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
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echo $ac_n "(cached) $ac_c" 1>&6
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@ -6454,7 +6457,7 @@ else
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ac_save_LIBS="$LIBS"
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LIBS="-lsocket $X_EXTRA_LIBS $LIBS"
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cat > conftest.$ac_ext <<EOF
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#line 6458 "configure"
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#line 6461 "configure"
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#include "confdefs.h"
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/* Override any gcc2 internal prototype to avoid an error. */
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/* We use char because int might match the return type of a gcc2
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@ -6465,7 +6468,7 @@ int main() {
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connect()
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; return 0; }
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EOF
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if { (eval echo configure:6469: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
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if { (eval echo configure:6472: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
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rm -rf conftest*
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eval "ac_cv_lib_$ac_lib_var=yes"
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else
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@ -6489,12 +6492,12 @@ fi
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# gomez@mi.uni-erlangen.de says -lposix is necessary on A/UX.
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echo $ac_n "checking for remove""... $ac_c" 1>&6
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echo "configure:6493: checking for remove" >&5
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echo "configure:6496: checking for remove" >&5
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if eval "test \"`echo '$''{'ac_cv_func_remove'+set}'`\" = set"; then
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echo $ac_n "(cached) $ac_c" 1>&6
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else
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cat > conftest.$ac_ext <<EOF
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#line 6498 "configure"
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#line 6501 "configure"
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#include "confdefs.h"
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/* System header to define __stub macros and hopefully few prototypes,
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which can conflict with char remove(); below. */
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@ -6517,7 +6520,7 @@ remove();
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; return 0; }
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EOF
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if { (eval echo configure:6521: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
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if { (eval echo configure:6524: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
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rm -rf conftest*
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eval "ac_cv_func_remove=yes"
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else
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@ -6538,7 +6541,7 @@ fi
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if test $ac_cv_func_remove = no; then
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echo $ac_n "checking for remove in -lposix""... $ac_c" 1>&6
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echo "configure:6542: checking for remove in -lposix" >&5
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echo "configure:6545: checking for remove in -lposix" >&5
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ac_lib_var=`echo posix'_'remove | sed 'y%./+-%__p_%'`
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if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
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echo $ac_n "(cached) $ac_c" 1>&6
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@ -6546,7 +6549,7 @@ else
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ac_save_LIBS="$LIBS"
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LIBS="-lposix $LIBS"
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cat > conftest.$ac_ext <<EOF
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#line 6550 "configure"
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#line 6553 "configure"
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#include "confdefs.h"
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/* Override any gcc2 internal prototype to avoid an error. */
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/* We use char because int might match the return type of a gcc2
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@ -6557,7 +6560,7 @@ int main() {
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remove()
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; return 0; }
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EOF
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if { (eval echo configure:6561: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
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if { (eval echo configure:6564: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
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rm -rf conftest*
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eval "ac_cv_lib_$ac_lib_var=yes"
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else
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@ -6581,12 +6584,12 @@ fi
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# BSDI BSD/OS 2.1 needs -lipc for XOpenDisplay.
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echo $ac_n "checking for shmat""... $ac_c" 1>&6
|
||||
echo "configure:6585: checking for shmat" >&5
|
||||
echo "configure:6588: checking for shmat" >&5
|
||||
if eval "test \"`echo '$''{'ac_cv_func_shmat'+set}'`\" = set"; then
|
||||
echo $ac_n "(cached) $ac_c" 1>&6
|
||||
else
|
||||
cat > conftest.$ac_ext <<EOF
|
||||
#line 6590 "configure"
|
||||
#line 6593 "configure"
|
||||
#include "confdefs.h"
|
||||
/* System header to define __stub macros and hopefully few prototypes,
|
||||
which can conflict with char shmat(); below. */
|
||||
|
|
@ -6609,7 +6612,7 @@ shmat();
|
|||
|
||||
; return 0; }
|
||||
EOF
|
||||
if { (eval echo configure:6613: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
|
||||
if { (eval echo configure:6616: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
|
||||
rm -rf conftest*
|
||||
eval "ac_cv_func_shmat=yes"
|
||||
else
|
||||
|
|
@ -6630,7 +6633,7 @@ fi
|
|||
|
||||
if test $ac_cv_func_shmat = no; then
|
||||
echo $ac_n "checking for shmat in -lipc""... $ac_c" 1>&6
|
||||
echo "configure:6634: checking for shmat in -lipc" >&5
|
||||
echo "configure:6637: checking for shmat in -lipc" >&5
|
||||
ac_lib_var=`echo ipc'_'shmat | sed 'y%./+-%__p_%'`
|
||||
if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
|
||||
echo $ac_n "(cached) $ac_c" 1>&6
|
||||
|
|
@ -6638,7 +6641,7 @@ else
|
|||
ac_save_LIBS="$LIBS"
|
||||
LIBS="-lipc $LIBS"
|
||||
cat > conftest.$ac_ext <<EOF
|
||||
#line 6642 "configure"
|
||||
#line 6645 "configure"
|
||||
#include "confdefs.h"
|
||||
/* Override any gcc2 internal prototype to avoid an error. */
|
||||
/* We use char because int might match the return type of a gcc2
|
||||
|
|
@ -6649,7 +6652,7 @@ int main() {
|
|||
shmat()
|
||||
; return 0; }
|
||||
EOF
|
||||
if { (eval echo configure:6653: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
|
||||
if { (eval echo configure:6656: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
|
||||
rm -rf conftest*
|
||||
eval "ac_cv_lib_$ac_lib_var=yes"
|
||||
else
|
||||
|
|
@ -6682,7 +6685,7 @@ fi
|
|||
# libraries we check for below, so use a different variable.
|
||||
# --interran@uluru.Stanford.EDU, kb@cs.umb.edu.
|
||||
echo $ac_n "checking for IceConnectionNumber in -lICE""... $ac_c" 1>&6
|
||||
echo "configure:6686: checking for IceConnectionNumber in -lICE" >&5
|
||||
echo "configure:6689: checking for IceConnectionNumber in -lICE" >&5
|
||||
ac_lib_var=`echo ICE'_'IceConnectionNumber | sed 'y%./+-%__p_%'`
|
||||
if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
|
||||
echo $ac_n "(cached) $ac_c" 1>&6
|
||||
|
|
@ -6690,7 +6693,7 @@ else
|
|||
ac_save_LIBS="$LIBS"
|
||||
LIBS="-lICE $X_EXTRA_LIBS $LIBS"
|
||||
cat > conftest.$ac_ext <<EOF
|
||||
#line 6694 "configure"
|
||||
#line 6697 "configure"
|
||||
#include "confdefs.h"
|
||||
/* Override any gcc2 internal prototype to avoid an error. */
|
||||
/* We use char because int might match the return type of a gcc2
|
||||
|
|
@ -6701,7 +6704,7 @@ int main() {
|
|||
IceConnectionNumber()
|
||||
; return 0; }
|
||||
EOF
|
||||
if { (eval echo configure:6705: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
|
||||
if { (eval echo configure:6708: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
|
||||
rm -rf conftest*
|
||||
eval "ac_cv_lib_$ac_lib_var=yes"
|
||||
else
|
||||
|
|
|
|||
|
|
@ -757,13 +757,16 @@ case "${host}" in
|
|||
powerpc-*-linux*)
|
||||
SIGNAL_HANDLER=include/dwarf2-signal.h
|
||||
;;
|
||||
alpha*-*-linux*)
|
||||
SIGNAL_HANDLER=include/dwarf2-signal.h
|
||||
;;
|
||||
*)
|
||||
SIGNAL_HANDLER=include/default-signal.h
|
||||
;;
|
||||
esac
|
||||
|
||||
# If we're using sjlj exceptions, forget what we just learned.
|
||||
if test "$libgcj_sjlj" = yes; then
|
||||
if test "$enable_sjlj_exceptions" = yes; then
|
||||
SIGNAL_HANDLER=include/default-signal.h
|
||||
fi
|
||||
|
||||
|
|
|
|||
|
|
@ -4,9 +4,8 @@
|
|||
|
||||
This file is part of libgcj.
|
||||
|
||||
Use this file for every target for which the dwarf2 unwinder in
|
||||
libgcc can unwind through signal handlers and no special actions
|
||||
are needed.
|
||||
Use this file for a target for which the dwarf2 unwinder in libgcc
|
||||
can unwind through signal handlers.
|
||||
|
||||
This software is copyrighted work licensed under the terms of the
|
||||
Libgcj License. Please consult the file "LIBGCJ_LICENSE" for
|
||||
|
|
@ -22,29 +21,43 @@ details. */
|
|||
#undef HANDLE_FPE
|
||||
|
||||
#define SIGNAL_HANDLER(_name) \
|
||||
static void _Jv_##_name (int)
|
||||
static void _Jv_##_name (int, siginfo_t *, void *_p)
|
||||
|
||||
class java::lang::Throwable;
|
||||
|
||||
// Unwind the stack to the point at which the signal was generated and
|
||||
// then throw an exception. With the dwarf2 unwinder we don't need to
|
||||
// do anything.
|
||||
// then throw an exception. With the dwarf2 unwinder we don't usually
|
||||
// need to do anything, with some minor exceptions.
|
||||
|
||||
#ifdef __alpha__
|
||||
#define MAKE_THROW_FRAME(_exception) \
|
||||
do \
|
||||
{ \
|
||||
/* Alpha either leaves PC pointing at a faulting instruction or the \
|
||||
following instruction, depending on the signal. SEGV always does \
|
||||
the former, so we adjust the saved PC to point to the following \
|
||||
instruction; this is what the handler in libgcc expects. */ \
|
||||
struct sigcontext *_sc = (struct sigcontext *)_p; \
|
||||
_sc->sc_pc += 4; \
|
||||
} \
|
||||
while (0)
|
||||
|
||||
#else
|
||||
#define MAKE_THROW_FRAME(_exception) \
|
||||
do \
|
||||
{ \
|
||||
(void)_p; \
|
||||
} \
|
||||
while (0)
|
||||
#endif
|
||||
|
||||
#define INIT_SEGV \
|
||||
do \
|
||||
{ \
|
||||
nullp = new java::lang::NullPointerException (); \
|
||||
struct sigaction act; \
|
||||
act.sa_handler = _Jv_catch_segv; \
|
||||
act.sa_sigaction = _Jv_catch_segv; \
|
||||
sigemptyset (&act.sa_mask); \
|
||||
act.sa_flags = 0; \
|
||||
act.sa_flags = SA_SIGINFO; \
|
||||
syscall (SYS_sigaction, SIGSEGV, &act, NULL); \
|
||||
} \
|
||||
while (0)
|
||||
|
|
@ -55,9 +68,9 @@ do \
|
|||
arithexception = new java::lang::ArithmeticException \
|
||||
(JvNewStringLatin1 ("/ by zero")); \
|
||||
struct sigaction act; \
|
||||
act.sa_handler = _Jv_catch_fpe; \
|
||||
act.sa_sigaction = _Jv_catch_fpe; \
|
||||
sigemptyset (&act.sa_mask); \
|
||||
act.sa_flags = 0; \
|
||||
act.sa_flags = SA_SIGINFO; \
|
||||
syscall (SYS_sigaction, SIGFPE, &act, NULL); \
|
||||
} \
|
||||
while (0)
|
||||
|
|
|
|||
|
|
@ -31,16 +31,11 @@ do \
|
|||
void **_p = (void **)&_dummy; \
|
||||
struct sigcontext_struct *_regs = (struct sigcontext_struct *)++_p; \
|
||||
\
|
||||
register unsigned long _ebp = _regs->ebp; \
|
||||
register unsigned char *_eip = (unsigned char *)_regs->eip; \
|
||||
\
|
||||
/* Advance the program counter so that it is after the start of the \
|
||||
instruction: the x86 exception handler expects \
|
||||
the PC to point to the instruction after a call. */ \
|
||||
_eip += 2; \
|
||||
_regs->eip += 2; \
|
||||
\
|
||||
asm volatile ("mov %0, (%%ebp); mov %1, 4(%%ebp)" \
|
||||
: : "r"(_ebp), "r"(_eip)); \
|
||||
} \
|
||||
while (0)
|
||||
|
||||
|
|
@ -104,6 +99,9 @@ do \
|
|||
\
|
||||
_eip = (unsigned char *)_ebp[1]; \
|
||||
_ebp = (unsigned long *)_ebp[0]; \
|
||||
\
|
||||
asm volatile ("mov %0, (%%ebp); mov %1, 4(%%ebp)" \
|
||||
: : "r"(_ebp), "r"(_eip)); \
|
||||
} \
|
||||
else \
|
||||
{ \
|
||||
|
|
@ -111,12 +109,9 @@ do \
|
|||
of the instruction: this is because the x86 exception \
|
||||
handler expects the PC to point to the instruction after a \
|
||||
call. */ \
|
||||
_eip += 2; \
|
||||
_regs->eip += 2; \
|
||||
} \
|
||||
} \
|
||||
\
|
||||
asm volatile ("mov %0, (%%ebp); mov %1, 4(%%ebp)" \
|
||||
: : "r"(_ebp), "r"(_eip)); \
|
||||
} \
|
||||
while (0)
|
||||
|
||||
|
|
|
|||
|
|
@ -1,115 +0,0 @@
|
|||
// ppc-signal.h - Catch runtime signals and turn them into exceptions.
|
||||
|
||||
/* Copyright (C) 2000 Free Software Foundation
|
||||
|
||||
This file is part of libgcj.
|
||||
|
||||
This software is copyrighted work licensed under the terms of the
|
||||
Libgcj License. Please consult the file "LIBGCJ_LICENSE" for
|
||||
details. */
|
||||
|
||||
#ifndef JAVA_SIGNAL_H
|
||||
#define JAVA_SIGNAL_H 1
|
||||
|
||||
#include <signal.h>
|
||||
#include <ucontext.h>
|
||||
|
||||
#define HANDLE_SEGV 1
|
||||
#undef HANDLE_FPE
|
||||
|
||||
#define SIGNAL_HANDLER(_name) \
|
||||
__asm ("\t.section\t\".text\"\n" \
|
||||
"\t.align 2\n" \
|
||||
"_Jv_" #_name ":\n" \
|
||||
"\tmr 3, 1\n" \
|
||||
"\tb _Jv_stub_" #_name "\n"); \
|
||||
extern "C" void _Jv_##_name (int _dummy); \
|
||||
extern "C" void _Jv_stub_##_name (char *_sp) \
|
||||
|
||||
class java::lang::Throwable;
|
||||
|
||||
// Unwind the stack to the point at which the signal was generated and
|
||||
// then throw an exception.
|
||||
|
||||
#define MAKE_THROW_FRAME(_exception) \
|
||||
do \
|
||||
{ \
|
||||
struct sigcontext_struct *_context \
|
||||
= (struct sigcontext_struct *)(_sp + __SIGNAL_FRAMESIZE); \
|
||||
long int regs [34]; \
|
||||
memcpy (regs, &_context->regs->gpr[0], 32 * sizeof (long int)); \
|
||||
regs[32] = _context->regs->nip + sizeof (long int); \
|
||||
regs[33] = _context->regs->link; \
|
||||
\
|
||||
__asm volatile ( \
|
||||
"\tmr 31,%0\n" \
|
||||
"\tmr 3,%1 # exception to throw\n" \
|
||||
"\tlwz 0,128(31) # ip\n" \
|
||||
"\tmtlr 0\n" \
|
||||
"\tlwz 1,4(31) # previous r1\n" \
|
||||
"\tlwz 0,132(31) # previous lr\n" \
|
||||
"\tlwz 2,0(1) # previous previous r1\n" \
|
||||
"\tstw 0,4(2) # save previous lr\n" \
|
||||
"\tlwz 0,0(31)\n" \
|
||||
"\tlwz 2,8(31)\n" \
|
||||
"\tlwz 4,16(31)\n" \
|
||||
"\tlwz 5,20(31)\n" \
|
||||
"\tlwz 6,24(31)\n" \
|
||||
"\tlwz 7,28(31)\n" \
|
||||
"\tlwz 8,32(31)\n" \
|
||||
"\tlwz 9,36(31)\n" \
|
||||
"\tlwz 10,40(31)\n" \
|
||||
"\tlwz 11,44(31)\n" \
|
||||
"\tlwz 12,48(31)\n" \
|
||||
"\tlwz 13,52(31)\n" \
|
||||
"\tlwz 14,56(31)\n" \
|
||||
"\tlwz 15,60(31)\n" \
|
||||
"\tlwz 16,64(31)\n" \
|
||||
"\tlwz 17,68(31)\n" \
|
||||
"\tlwz 18,72(31)\n" \
|
||||
"\tlwz 19,76(31)\n" \
|
||||
"\tlwz 20,80(31)\n" \
|
||||
"\tlwz 21,84(31)\n" \
|
||||
"\tlwz 22,88(31)\n" \
|
||||
"\tlwz 23,92(31)\n" \
|
||||
"\tlwz 24,96(31)\n" \
|
||||
"\tlwz 25,100(31)\n" \
|
||||
"\tlwz 26,104(31)\n" \
|
||||
"\tlwz 27,108(31)\n" \
|
||||
"\tlwz 28,112(31)\n" \
|
||||
"\tlwz 29,116(31)\n" \
|
||||
"\tlwz 30,120(31)\n" \
|
||||
"\tlwz 31,124(31)\n" \
|
||||
"\tb _Jv_ThrowSignal\n" \
|
||||
: : "r"(regs), "r"(_exception) \
|
||||
: "r31", "r3"); \
|
||||
} \
|
||||
while (0)
|
||||
|
||||
|
||||
#define INIT_SEGV \
|
||||
do \
|
||||
{ \
|
||||
nullp = new java::lang::NullPointerException (); \
|
||||
struct sigaction act; \
|
||||
act.sa_handler = _Jv_catch_segv; \
|
||||
sigemptyset (&act.sa_mask); \
|
||||
act.sa_flags = 0; \
|
||||
__sigaction (SIGSEGV, &act, NULL); \
|
||||
} \
|
||||
while (0)
|
||||
|
||||
#define INIT_FPE \
|
||||
do \
|
||||
{ \
|
||||
arithexception = new java::lang::ArithmeticException \
|
||||
(JvNewStringLatin1 ("/ by zero")); \
|
||||
struct sigaction act; \
|
||||
act.sa_handler = _Jv_catch_fpe; \
|
||||
sigemptyset (&act.sa_mask); \
|
||||
act.sa_flags = 0; \
|
||||
__sigaction (SIGFPE, &act, NULL); \
|
||||
} \
|
||||
while (0)
|
||||
|
||||
#endif /* JAVA_SIGNAL_H */
|
||||
Loading…
Add table
Add a link
Reference in a new issue