mirror of
https://github.com/espressif/binutils-gdb.git
synced 2025-05-31 18:20:12 +08:00
Include alloca.h unconditionally
Since gnulib alloca module was imported, we can include alloca.h in both gdb and gdbserver unconditionally, so this patch adds inclusion of alloca.h in common-defs.h. This patch also removes AC_FUNC_ALLOCA in configure.ac because we don't need to check alloca any more. This patch below is removed in fact. [RFA/commit] include alloca.h if available. https://www.sourceware.org/ml/gdb-patches/2010-08/msg00566.html Since alloca.h is from gnulib now, we don't have to check malloc.h in configure and include malloc.h in code. This patch also remove them too. gdb: 2014-11-21 Yao Qi <yao@codesourcery.com> * common/common-defs.h: Include alloca.h * configure.ac: Don't invoke AC_FUNC_ALLOCA. * configure: Re-generated. * defs.h: Remove code handling alloca. * utils.c (gdb_realpath): Don't check HAVE_ALLOCA is defined or not. gdb/gdbserver: 2014-11-21 Yao Qi <yao@codesourcery.com> * configure.ac: Don't invoke AC_FUNC_ALLOCA. (AC_CHECK_HEADERS): Remove malloc.h. * configure: Re-generated. * config.in: Re-generated. * server.h: Don't include alloca.h and malloc.h. * gdbreplay.c: Don't check HAVE_ALLOCA_H is defined. Don't include malloc.h.
This commit is contained in:
Yao Qi
@ -1,3 +1,12 @@
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2014-11-21 Yao Qi <yao@codesourcery.com>
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* common/common-defs.h: Include alloca.h
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* configure.ac: Don't invoke AC_FUNC_ALLOCA.
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* configure: Re-generated.
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* defs.h: Remove code handling alloca.
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* utils.c (gdb_realpath): Don't check HAVE_ALLOCA is defined
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or not.
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2014-11-21 Yao Qi <yao@codesourcery.com>
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* gnulib/update-gnulib.sh (IMPORTED_GNULIB_MODULE): Add
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@ -33,6 +33,7 @@
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#include <stddef.h>
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#include <string.h>
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#include <errno.h>
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#include <alloca.h>
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#include "ansidecl.h"
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#include "libiberty.h"
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#include "pathmax.h"
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190
gdb/configure
vendored
190
gdb/configure
vendored
@ -10072,196 +10072,6 @@ $as_echo "#define AC_APPLE_UNIVERSAL_BUILD 1" >>confdefs.h
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# Checks for library functions. #
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# ------------------------------ #
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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 $ac_cv_c_stack_direction
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_ACEOF
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fi
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for ac_header in stdlib.h unistd.h
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do :
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as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
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@ -1302,7 +1302,6 @@ AC_C_BIGENDIAN
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# Checks for library functions. #
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# ------------------------------ #
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AC_FUNC_ALLOCA
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AC_FUNC_MMAP
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AC_FUNC_VFORK
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AC_CHECK_FUNCS([canonicalize_file_name realpath getrusage getuid getgid \
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21
gdb/defs.h
21
gdb/defs.h
@ -548,27 +548,6 @@ enum gdb_osabi
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extern double atof (const char *); /* X3.159-1989 4.10.1.1 */
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#endif
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/* Various possibilities for alloca. */
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#ifndef alloca
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#ifdef __GNUC__
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#define alloca __builtin_alloca
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#else /* Not GNU C */
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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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/* We need to be careful not to declare this in a way which conflicts with
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bison. Bison never declares it as char *, but under various circumstances
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(like __hpux) we need to use void *. */
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extern void *alloca ();
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#endif /* Not _AIX */
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#endif /* Not HAVE_ALLOCA_H */
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#endif /* Not GNU C */
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#endif /* alloca not defined */
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/* Dynamic target-system-dependent parameters for GDB. */
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#include "gdbarch.h"
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@ -1,3 +1,13 @@
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2014-11-21 Yao Qi <yao@codesourcery.com>
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* configure.ac: Don't invoke AC_FUNC_ALLOCA.
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(AC_CHECK_HEADERS): Remove malloc.h.
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* configure: Re-generated.
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* config.in: Re-generated.
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* server.h: Don't include alloca.h and malloc.h.
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* gdbreplay.c: Don't check HAVE_ALLOCA_H is defined.
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Don't include malloc.h.
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2014-11-17 Joel Brobecker <brobecker@adacore.com>
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* lynx-low.c (lynx_write_memory): Put lynx_read_memory and
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@ -96,9 +96,6 @@
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/* Define if <thread_db.h> has lwpid_t. */
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#undef HAVE_LWPID_T
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/* Define to 1 if you have the <malloc.h> header file. */
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#undef HAVE_MALLOC_H
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/* Define to 1 if you have the <memory.h> header file. */
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#undef HAVE_MEMORY_H
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195
gdb/gdbserver/configure
vendored
195
gdb/gdbserver/configure
vendored
@ -605,6 +605,7 @@ WERROR_CFLAGS
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WARN_CFLAGS
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ustinc
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ustlibs
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ALLOCA
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SET_MAKE
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GMAKE_FALSE
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GMAKE_TRUE
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@ -614,7 +615,6 @@ DEPDIR
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am__leading_dot
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host_noncanonical
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target_noncanonical
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ALLOCA
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RANLIB
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AR
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INSTALL_DATA
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@ -4225,197 +4225,6 @@ $as_echo "#define STDC_HEADERS 1" >>confdefs.h
|
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fi
|
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|
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|
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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 $ac_cv_working_alloca_h = yes; then
|
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|
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$as_echo "#define HAVE_ALLOCA_H 1" >>confdefs.h
|
||||
|
||||
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
|
||||
# else
|
||||
# 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
|
||||
# else
|
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# ifndef alloca /* predefined by HP cc +Olibcalls */
|
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char *alloca ();
|
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# endif
|
||||
# endif
|
||||
# endif
|
||||
# endif
|
||||
#endif
|
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|
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int
|
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main ()
|
||||
{
|
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char *p = (char *) alloca (1);
|
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if (p) return 0;
|
||||
;
|
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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 "$LINENO"; then :
|
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ac_cv_func_alloca_works=yes
|
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else
|
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ac_cv_func_alloca_works=no
|
||||
fi
|
||||
rm -f core conftest.err conftest.$ac_objext \
|
||||
conftest$ac_exeext conftest.$ac_ext
|
||||
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
|
||||
|
||||
$as_echo "#define HAVE_ALLOCA 1" >>confdefs.h
|
||||
|
||||
else
|
||||
# The SVR3 libPW and SVR4 libucb both contain incompatible functions
|
||||
# that cause trouble. Some versions do not even contain alloca or
|
||||
# contain a buggy version. If you still want to use their alloca,
|
||||
# use ar to extract alloca.o from them instead of compiling alloca.c.
|
||||
|
||||
ALLOCA=\${LIBOBJDIR}alloca.$ac_objext
|
||||
|
||||
$as_echo "#define C_ALLOCA 1" >>confdefs.h
|
||||
|
||||
|
||||
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether \`alloca.c' needs Cray hooks" >&5
|
||||
$as_echo_n "checking whether \`alloca.c' needs Cray hooks... " >&6; }
|
||||
if test "${ac_cv_os_cray+set}" = set; then :
|
||||
$as_echo_n "(cached) " >&6
|
||||
else
|
||||
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
|
||||
/* end confdefs.h. */
|
||||
#if defined CRAY && ! defined CRAY2
|
||||
webecray
|
||||
#else
|
||||
wenotbecray
|
||||
#endif
|
||||
|
||||
_ACEOF
|
||||
if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
|
||||
$EGREP "webecray" >/dev/null 2>&1; then :
|
||||
ac_cv_os_cray=yes
|
||||
else
|
||||
ac_cv_os_cray=no
|
||||
fi
|
||||
rm -f conftest*
|
||||
|
||||
fi
|
||||
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_os_cray" >&5
|
||||
$as_echo "$ac_cv_os_cray" >&6; }
|
||||
if test $ac_cv_os_cray = yes; then
|
||||
for ac_func in _getb67 GETB67 getb67; do
|
||||
as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
|
||||
ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var"
|
||||
eval as_val=\$$as_ac_var
|
||||
if test "x$as_val" = x""yes; then :
|
||||
|
||||
cat >>confdefs.h <<_ACEOF
|
||||
#define CRAY_STACKSEG_END $ac_func
|
||||
_ACEOF
|
||||
|
||||
break
|
||||
fi
|
||||
|
||||
done
|
||||
fi
|
||||
|
||||
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking stack direction for C alloca" >&5
|
||||
$as_echo_n "checking stack direction for C alloca... " >&6; }
|
||||
if test "${ac_cv_c_stack_direction+set}" = set; then :
|
||||
$as_echo_n "(cached) " >&6
|
||||
else
|
||||
if test "$cross_compiling" = yes; then :
|
||||
ac_cv_c_stack_direction=0
|
||||
else
|
||||
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
|
||||
/* end confdefs.h. */
|
||||
$ac_includes_default
|
||||
int
|
||||
find_stack_direction ()
|
||||
{
|
||||
static char *addr = 0;
|
||||
auto char dummy;
|
||||
if (addr == 0)
|
||||
{
|
||||
addr = &dummy;
|
||||
return find_stack_direction ();
|
||||
}
|
||||
else
|
||||
return (&dummy > addr) ? 1 : -1;
|
||||
}
|
||||
|
||||
int
|
||||
main ()
|
||||
{
|
||||
return find_stack_direction () < 0;
|
||||
}
|
||||
_ACEOF
|
||||
if ac_fn_c_try_run "$LINENO"; then :
|
||||
ac_cv_c_stack_direction=1
|
||||
else
|
||||
ac_cv_c_stack_direction=-1
|
||||
fi
|
||||
rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
|
||||
conftest.$ac_objext conftest.beam conftest.$ac_ext
|
||||
fi
|
||||
|
||||
fi
|
||||
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_stack_direction" >&5
|
||||
$as_echo "$ac_cv_c_stack_direction" >&6; }
|
||||
cat >>confdefs.h <<_ACEOF
|
||||
#define STACK_DIRECTION $ac_cv_c_stack_direction
|
||||
_ACEOF
|
||||
|
||||
|
||||
fi
|
||||
|
||||
|
||||
# Set the 'development' global.
|
||||
. $srcdir/../../bfd/development.sh
|
||||
|
||||
@ -4904,7 +4713,7 @@ $as_echo "$as_me: running $SHELL $ac_sub_configure $ac_sub_configure_args --cach
|
||||
cd "$ac_popdir"
|
||||
|
||||
|
||||
for ac_header in sgtty.h termio.h termios.h sys/reg.h string.h proc_service.h sys/procfs.h linux/elf.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
|
||||
for ac_header in sgtty.h termio.h termios.h sys/reg.h string.h proc_service.h sys/procfs.h linux/elf.h fcntl.h signal.h sys/file.h sys/ioctl.h netinet/in.h sys/socket.h netdb.h netinet/tcp.h arpa/inet.h
|
||||
do :
|
||||
as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
|
||||
ac_fn_c_check_header_mongrel "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default"
|
||||
|
||||
@ -39,8 +39,6 @@ AC_ARG_PROGRAM
|
||||
|
||||
AC_HEADER_STDC
|
||||
|
||||
AC_FUNC_ALLOCA
|
||||
|
||||
# Set the 'development' global.
|
||||
. $srcdir/../../bfd/development.sh
|
||||
|
||||
@ -82,7 +80,7 @@ ACX_CONFIGURE_DIR(["../../libiberty"], ["build-libiberty-gdbserver"])
|
||||
|
||||
AC_CHECK_HEADERS(sgtty.h termio.h termios.h sys/reg.h string.h dnl
|
||||
proc_service.h sys/procfs.h linux/elf.h dnl
|
||||
fcntl.h signal.h sys/file.h malloc.h dnl
|
||||
fcntl.h signal.h sys/file.h dnl
|
||||
sys/ioctl.h netinet/in.h sys/socket.h netdb.h dnl
|
||||
netinet/tcp.h arpa/inet.h)
|
||||
AC_CHECK_FUNCS(pread pwrite pread64 readlink)
|
||||
|
||||
@ -48,12 +48,9 @@
|
||||
#if HAVE_NETINET_TCP_H
|
||||
#include <netinet/tcp.h>
|
||||
#endif
|
||||
#if HAVE_ALLOCA_H
|
||||
|
||||
#include <alloca.h>
|
||||
#endif
|
||||
#if HAVE_MALLOC_H
|
||||
#include <malloc.h>
|
||||
#endif
|
||||
|
||||
#if USE_WIN32API
|
||||
#include <winsock2.h>
|
||||
#endif
|
||||
|
||||
@ -29,15 +29,6 @@ gdb_static_assert (sizeof (CORE_ADDR) >= sizeof (void *));
|
||||
|
||||
#include "version.h"
|
||||
|
||||
#ifdef HAVE_ALLOCA_H
|
||||
#include <alloca.h>
|
||||
#endif
|
||||
/* On some systems such as MinGW, alloca is declared in malloc.h
|
||||
(there is no alloca.h). */
|
||||
#if HAVE_MALLOC_H
|
||||
#include <malloc.h>
|
||||
#endif
|
||||
|
||||
#if !HAVE_DECL_STRERROR
|
||||
#ifndef strerror
|
||||
extern char *strerror (int); /* X3.159-1989 4.11.6.2 */
|
||||
|
||||
@ -2913,7 +2913,7 @@ gdb_realpath (const char *filename)
|
||||
pathconf()) making it impossible to pass a correctly sized buffer
|
||||
to realpath() (it could always overflow). On those systems, we
|
||||
skip this. */
|
||||
#if defined (HAVE_REALPATH) && defined (_PC_PATH_MAX) && defined(HAVE_ALLOCA)
|
||||
#if defined (HAVE_REALPATH) && defined (_PC_PATH_MAX)
|
||||
{
|
||||
/* Find out the max path size. */
|
||||
long path_max = pathconf ("/", _PC_PATH_MAX);
|
||||
|
||||
Reference in New Issue
Block a user