include alloca.h if available.
On LynxOS, alloca is defined in allocal.h. This fixes one warning that occurs when building GDBserver for LynxOS. gdb/gdbserver/ChangeLog: * configure.ac: Add configure check for alloca. * configure, config.in: Regenerate. * server.h: Include alloca.h if it exists. * gdbreplay.c: Include alloca.h if it exists.
This commit is contained in:
parent
86c80b5af0
commit
a1723c35ac
6 changed files with 229 additions and 1 deletions
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@ -1,3 +1,10 @@
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2010-09-01 Joel Brobecker <brobecker@adacore.com>
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* configure.ac: Add configure check for alloca.
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* configure, config.in: Regenerate.
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* server.h: Include alloca.h if it exists.
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* gdbreplay.c: Include alloca.h if it exists.
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2010-08-31 Sami Wagiaalla <swagiaal@redhat.com>
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2010-08-31 Sami Wagiaalla <swagiaal@redhat.com>
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* symfile.c (reread_symbols): Use psymbol_bcache_free, and
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* symfile.c (reread_symbols): Use psymbol_bcache_free, and
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@ -1,5 +1,20 @@
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/* config.in. Generated from configure.ac by autoheader. */
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/* config.in. Generated from configure.ac by autoheader. */
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/* Define to one of `_getb67', `GETB67', `getb67' for Cray-2 and Cray-YMP
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systems. This function is required for `alloca.c' support on those systems.
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*/
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#undef CRAY_STACKSEG_END
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/* Define to 1 if using `alloca.c'. */
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#undef C_ALLOCA
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/* Define to 1 if you have `alloca', as a function or macro. */
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#undef HAVE_ALLOCA
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/* Define to 1 if you have <alloca.h> and it should be used (not on Ultrix).
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*/
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#undef HAVE_ALLOCA_H
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/* Define to 1 if you have the <arpa/inet.h> header file. */
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/* Define to 1 if you have the <arpa/inet.h> header file. */
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#undef HAVE_ARPA_INET_H
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#undef HAVE_ARPA_INET_H
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@ -184,6 +199,14 @@
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/* Bug reporting address */
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/* Bug reporting address */
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#undef REPORT_BUGS_TO
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#undef REPORT_BUGS_TO
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/* If using the C implementation of alloca, define if you know the
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direction of stack growth for your system; otherwise it will be
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automatically deduced at runtime.
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STACK_DIRECTION > 0 => grows toward higher addresses
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STACK_DIRECTION < 0 => grows toward lower addresses
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STACK_DIRECTION = 0 => direction of growth unknown */
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#undef STACK_DIRECTION
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/* Define to 1 if you have the ANSI C header files. */
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/* Define to 1 if you have the ANSI C header files. */
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#undef STDC_HEADERS
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#undef STDC_HEADERS
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191
gdb/gdbserver/configure
vendored
191
gdb/gdbserver/configure
vendored
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@ -606,6 +606,7 @@ WARN_CFLAGS
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ustinc
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ustinc
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ustlibs
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ustlibs
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LIBOBJS
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LIBOBJS
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ALLOCA
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INSTALL_DATA
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INSTALL_DATA
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INSTALL_SCRIPT
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INSTALL_SCRIPT
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INSTALL_PROGRAM
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INSTALL_PROGRAM
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@ -3796,6 +3797,196 @@ $as_echo "#define STDC_HEADERS 1" >>confdefs.h
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fi
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fi
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# The Ultrix 4.2 mips builtin alloca declared by alloca.h only works
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# for constant arguments. Useless!
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{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for working alloca.h" >&5
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$as_echo_n "checking for working alloca.h... " >&6; }
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if test "${ac_cv_working_alloca_h+set}" = set; then :
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$as_echo_n "(cached) " >&6
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else
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cat confdefs.h - <<_ACEOF >conftest.$ac_ext
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/* end confdefs.h. */
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#include <alloca.h>
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int
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main ()
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{
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char *p = (char *) alloca (2 * sizeof (int));
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if (p) return 0;
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;
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return 0;
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}
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_ACEOF
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if ac_fn_c_try_link "$LINENO"; then :
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ac_cv_working_alloca_h=yes
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else
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ac_cv_working_alloca_h=no
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fi
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rm -f core conftest.err conftest.$ac_objext \
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conftest$ac_exeext conftest.$ac_ext
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fi
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{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_working_alloca_h" >&5
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$as_echo "$ac_cv_working_alloca_h" >&6; }
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if test $ac_cv_working_alloca_h = yes; then
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$as_echo "#define HAVE_ALLOCA_H 1" >>confdefs.h
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fi
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{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for alloca" >&5
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$as_echo_n "checking for alloca... " >&6; }
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if test "${ac_cv_func_alloca_works+set}" = set; then :
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$as_echo_n "(cached) " >&6
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else
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cat confdefs.h - <<_ACEOF >conftest.$ac_ext
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/* end confdefs.h. */
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#ifdef __GNUC__
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# define alloca __builtin_alloca
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#else
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# ifdef _MSC_VER
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# include <malloc.h>
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# define alloca _alloca
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# else
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# ifdef HAVE_ALLOCA_H
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# include <alloca.h>
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# else
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# ifdef _AIX
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#pragma alloca
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# else
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# ifndef alloca /* predefined by HP cc +Olibcalls */
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char *alloca ();
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# endif
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# endif
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# endif
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# endif
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#endif
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int
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main ()
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{
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char *p = (char *) alloca (1);
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if (p) return 0;
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;
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return 0;
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}
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_ACEOF
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if ac_fn_c_try_link "$LINENO"; then :
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ac_cv_func_alloca_works=yes
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else
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ac_cv_func_alloca_works=no
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fi
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rm -f core conftest.err conftest.$ac_objext \
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conftest$ac_exeext conftest.$ac_ext
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fi
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{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_func_alloca_works" >&5
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$as_echo "$ac_cv_func_alloca_works" >&6; }
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if test $ac_cv_func_alloca_works = yes; then
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$as_echo "#define HAVE_ALLOCA 1" >>confdefs.h
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else
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# The SVR3 libPW and SVR4 libucb both contain incompatible functions
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# that cause trouble. Some versions do not even contain alloca or
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# contain a buggy version. If you still want to use their alloca,
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# use ar to extract alloca.o from them instead of compiling alloca.c.
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ALLOCA=\${LIBOBJDIR}alloca.$ac_objext
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$as_echo "#define C_ALLOCA 1" >>confdefs.h
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{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether \`alloca.c' needs Cray hooks" >&5
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$as_echo_n "checking whether \`alloca.c' needs Cray hooks... " >&6; }
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if test "${ac_cv_os_cray+set}" = set; then :
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$as_echo_n "(cached) " >&6
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else
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cat confdefs.h - <<_ACEOF >conftest.$ac_ext
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/* end confdefs.h. */
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#if defined CRAY && ! defined CRAY2
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webecray
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#else
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wenotbecray
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#endif
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_ACEOF
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if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
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$EGREP "webecray" >/dev/null 2>&1; then :
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ac_cv_os_cray=yes
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else
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ac_cv_os_cray=no
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fi
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rm -f conftest*
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fi
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{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_os_cray" >&5
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$as_echo "$ac_cv_os_cray" >&6; }
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if test $ac_cv_os_cray = yes; then
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for ac_func in _getb67 GETB67 getb67; do
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as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
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ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var"
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eval as_val=\$$as_ac_var
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if test "x$as_val" = x""yes; then :
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cat >>confdefs.h <<_ACEOF
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#define CRAY_STACKSEG_END $ac_func
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_ACEOF
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break
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fi
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done
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fi
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{ $as_echo "$as_me:${as_lineno-$LINENO}: checking stack direction for C alloca" >&5
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$as_echo_n "checking stack direction for C alloca... " >&6; }
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if test "${ac_cv_c_stack_direction+set}" = set; then :
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$as_echo_n "(cached) " >&6
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else
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if test "$cross_compiling" = yes; then :
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ac_cv_c_stack_direction=0
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else
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cat confdefs.h - <<_ACEOF >conftest.$ac_ext
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/* end confdefs.h. */
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$ac_includes_default
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int
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find_stack_direction ()
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{
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static char *addr = 0;
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auto char dummy;
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if (addr == 0)
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{
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addr = &dummy;
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return find_stack_direction ();
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}
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else
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return (&dummy > addr) ? 1 : -1;
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}
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int
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main ()
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{
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return find_stack_direction () < 0;
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}
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_ACEOF
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if ac_fn_c_try_run "$LINENO"; then :
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ac_cv_c_stack_direction=1
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else
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ac_cv_c_stack_direction=-1
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fi
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rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
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conftest.$ac_objext conftest.beam conftest.$ac_ext
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fi
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fi
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{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_stack_direction" >&5
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$as_echo "$ac_cv_c_stack_direction" >&6; }
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cat >>confdefs.h <<_ACEOF
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#define STACK_DIRECTION $ac_cv_c_stack_direction
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_ACEOF
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fi
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for ac_header in sgtty.h termio.h termios.h sys/reg.h string.h proc_service.h sys/procfs.h thread_db.h linux/elf.h stdlib.h unistd.h errno.h fcntl.h signal.h sys/file.h malloc.h sys/ioctl.h netinet/in.h sys/socket.h netdb.h netinet/tcp.h arpa/inet.h sys/wait.h
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for ac_header in sgtty.h termio.h termios.h sys/reg.h string.h proc_service.h sys/procfs.h thread_db.h linux/elf.h stdlib.h unistd.h errno.h fcntl.h signal.h sys/file.h malloc.h sys/ioctl.h netinet/in.h sys/socket.h netdb.h netinet/tcp.h arpa/inet.h sys/wait.h
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do :
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do :
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as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
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as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
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AC_HEADER_STDC
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AC_HEADER_STDC
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AC_FUNC_ALLOCA
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AC_CHECK_HEADERS(sgtty.h termio.h termios.h sys/reg.h string.h dnl
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AC_CHECK_HEADERS(sgtty.h termio.h termios.h sys/reg.h string.h dnl
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proc_service.h sys/procfs.h thread_db.h linux/elf.h dnl
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proc_service.h sys/procfs.h thread_db.h linux/elf.h dnl
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stdlib.h unistd.h dnl
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stdlib.h unistd.h dnl
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#if HAVE_MALLOC_H
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#if HAVE_MALLOC_H
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#include <malloc.h>
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#include <malloc.h>
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#endif
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#endif
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#if USE_WIN32API
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#if USE_WIN32API
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#include <winsock2.h>
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#include <winsock2.h>
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#endif
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#endif
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#if HAVE_ALLOCA_H
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#include <alloca.h>
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#endif
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#ifndef HAVE_SOCKLEN_T
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#ifndef HAVE_SOCKLEN_T
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typedef int socklen_t;
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typedef int socklen_t;
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#include <string.h>
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#include <string.h>
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#endif
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#endif
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#ifdef HAVE_ALLOCA_H
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#include <alloca.h>
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#endif
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#if !HAVE_DECL_STRERROR
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#if !HAVE_DECL_STRERROR
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#ifndef strerror
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#ifndef strerror
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extern char *strerror (int); /* X3.159-1989 4.11.6.2 */
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extern char *strerror (int); /* X3.159-1989 4.11.6.2 */
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Loading…
Reference in a new issue