configure

这个是LINUX下的GDB调度工具的源码

echo $ac_n "checking for ANSI C header files""... $ac_c" 1>&6
echo "configure:1005: checking for ANSI C header files" >&5
if eval "test \"`echo '$''{'ac_cv_header_stdc'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 1010 "configure"
#include "confdefs.h"
#include <stdlib.h>
#include <stdarg.h>
#include <string.h>
#include <float.h>
EOF
ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
{ (eval echo configure:1018: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
if test -z "$ac_err"; then
  rm -rf conftest*
  ac_cv_header_stdc=yes
else
  echo "$ac_err" >&5
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  ac_cv_header_stdc=no
fi
rm -f conftest*

if test $ac_cv_header_stdc = yes; then
  # SunOS 4.x string.h does not declare mem*, contrary to ANSI.
cat > conftest.$ac_ext <<EOF
#line 1035 "configure"
#include "confdefs.h"
#include <string.h>
EOF
if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
  egrep "memchr" >/dev/null 2>&1; then
  :
else
  rm -rf conftest*
  ac_cv_header_stdc=no
fi
rm -f conftest*

fi

if test $ac_cv_header_stdc = yes; then
  # ISC 2.0.2 stdlib.h does not declare free, contrary to ANSI.
cat > conftest.$ac_ext <<EOF
#line 1053 "configure"
#include "confdefs.h"
#include <stdlib.h>
EOF
if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
  egrep "free" >/dev/null 2>&1; then
  :
else
  rm -rf conftest*
  ac_cv_header_stdc=no
fi
rm -f conftest*

fi

if test $ac_cv_header_stdc = yes; then
  # /bin/cc in Irix-4.0.5 gets non-ANSI ctype macros unless using -ansi.
if test "$cross_compiling" = yes; then
  :
else
  cat > conftest.$ac_ext <<EOF
#line 1074 "configure"
#include "confdefs.h"
#include <ctype.h>
#define ISLOWER(c) ('a' <= (c) && (c) <= 'z')
#define TOUPPER(c) (ISLOWER(c) ? 'A' + ((c) - 'a') : (c))
#define XOR(e, f) (((e) && !(f)) || (!(e) && (f)))
int main () { int i; for (i = 0; i < 256; i++)
if (XOR (islower (i), ISLOWER (i)) || toupper (i) != TOUPPER (i)) exit(2);
exit (0); }

EOF
if { (eval echo configure:1085: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
then
  :
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -fr conftest*
  ac_cv_header_stdc=no
fi
rm -fr conftest*
fi

fi
fi

echo "$ac_t""$ac_cv_header_stdc" 1>&6
if test $ac_cv_header_stdc = yes; then
  cat >> confdefs.h <<\EOF
#define STDC_HEADERS 1
EOF

fi


for ac_hdr 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
do
ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
echo "configure:1113: checking for $ac_hdr" >&5
if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 1118 "configure"
#include "confdefs.h"
#include <$ac_hdr>
EOF
ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
{ (eval echo configure:1123: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
if test -z "$ac_err"; then
  rm -rf conftest*
  eval "ac_cv_header_$ac_safe=yes"
else
  echo "$ac_err" >&5
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  eval "ac_cv_header_$ac_safe=no"
fi
rm -f conftest*
fi
if eval "test \"`echo '$ac_cv_header_'$ac_safe`\" = yes"; then
  echo "$ac_t""yes" 1>&6
    ac_tr_hdr=HAVE_`echo $ac_hdr | sed 'y%abcdefghijklmnopqrstuvwxyz./-%ABCDEFGHIJKLMNOPQRSTUVWXYZ___%'`
  cat >> confdefs.h <<EOF
#define $ac_tr_hdr 1
EOF
 
else
  echo "$ac_t""no" 1>&6
fi
done


echo $ac_n "checking whether strerror must be declared""... $ac_c" 1>&6
echo "configure:1151: checking whether strerror must be declared" >&5
if eval "test \"`echo '$''{'bfd_cv_decl_needed_strerror'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 1156 "configure"
#include "confdefs.h"

#include <stdio.h>
#ifdef HAVE_STRING_H
#include <string.h>
#else
#ifdef HAVE_STRINGS_H
#include <strings.h>
#endif
#endif
#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#endif
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
int main() {
char *(*pfn) = (char *(*)) strerror
; return 0; }
EOF
if { (eval echo configure:1177: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
  rm -rf conftest*
  bfd_cv_decl_needed_strerror=no
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  bfd_cv_decl_needed_strerror=yes
fi
rm -f conftest*
fi

echo "$ac_t""$bfd_cv_decl_needed_strerror" 1>&6
if test $bfd_cv_decl_needed_strerror = yes; then
  cat >> confdefs.h <<\EOF
#define NEED_DECLARATION_STRERROR 1
EOF

fi


. ${srcdir}/configure.srv

if test "${srv_linux_usrregs}" = "yes"; then
  cat >> confdefs.h <<\EOF
#define HAVE_LINUX_USRREGS 1
EOF

fi

if test "${srv_linux_regsets}" = "yes"; then
  echo $ac_n "checking for PTRACE_GETREGS""... $ac_c" 1>&6
echo "configure:1209: checking for PTRACE_GETREGS" >&5
  if eval "test \"`echo '$''{'gdbsrv_cv_have_ptrace_getregs'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 1214 "configure"
#include "confdefs.h"
#include <sys/ptrace.h>
int main() {
PTRACE_GETREGS;
; return 0; }
EOF
if { (eval echo configure:1221: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
  rm -rf conftest*
  gdbsrv_cv_have_ptrace_getregs=yes
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  gdbsrv_cv_have_ptrace_getregs=no
fi
rm -f conftest*
fi

  echo "$ac_t""$gdbsrv_cv_have_ptrace_getregs" 1>&6
  if test "${gdbsrv_cv_have_ptrace_getregs}" = "yes"; then
    cat >> confdefs.h <<\EOF
#define HAVE_LINUX_REGSETS 1
EOF

  fi

  echo $ac_n "checking for PTRACE_GETFPXREGS""... $ac_c" 1>&6
echo "configure:1242: checking for PTRACE_GETFPXREGS" >&5
  if eval "test \"`echo '$''{'gdbsrv_cv_have_ptrace_getfpxregs'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 1247 "configure"
#include "confdefs.h"
#include <sys/ptrace.h>
int main() {
PTRACE_GETFPXREGS;
; return 0; }
EOF
if { (eval echo configure:1254: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
  rm -rf conftest*
  gdbsrv_cv_have_ptrace_getfpxregs=yes
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  gdbsrv_cv_have_ptrace_getfpxregs=no
fi
rm -f conftest*
fi

  echo "$ac_t""$gdbsrv_cv_have_ptrace_getfpxregs" 1>&6
  if test "${gdbsrv_cv_have_ptrace_getfpxregs}" = "yes"; then
    cat >> confdefs.h <<\EOF
#define HAVE_PTRACE_GETFPXREGS 1
EOF

  fi
fi

if test "$ac_cv_header_sys_procfs_h" = yes; then
  echo $ac_n "checking for lwpid_t in sys/procfs.h""... $ac_c" 1>&6
echo "configure:1277: checking for lwpid_t in sys/procfs.h" >&5
 if eval "test \"`echo '$''{'bfd_cv_have_sys_procfs_type_lwpid_t'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 1282 "configure"
#include "confdefs.h"

#define _SYSCALL32
#include <sys/procfs.h>
int main() {
lwpid_t avar
; return 0; }
EOF
if { (eval echo configure:1291: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
  rm -rf conftest*
  bfd_cv_have_sys_procfs_type_lwpid_t=yes
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  bfd_cv_have_sys_procfs_type_lwpid_t=no
   
fi
rm -f conftest*
fi

 if test $bfd_cv_have_sys_procfs_type_lwpid_t = yes; then
   cat >> confdefs.h <<\EOF
#define HAVE_LWPID_T 1
EOF

 fi
 echo "$ac_t""$bfd_cv_have_sys_procfs_type_lwpid_t" 1>&6

  echo $ac_n "checking for psaddr_t in sys/procfs.h""... $ac_c" 1>&6
echo "configure:1313: checking for psaddr_t in sys/procfs.h" >&5
 if eval "test \"`echo '$''{'bfd_cv_have_sys_procfs_type_psaddr_t'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 1318 "configure"
#include "confdefs.h"

#define _SYSCALL32
#include <sys/procfs.h>
int main() {
psaddr_t avar
; return 0; }
EOF
if { (eval echo configure:1327: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
  rm -rf conftest*
  bfd_cv_have_sys_procfs_type_psaddr_t=yes
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  bfd_cv_have_sys_procfs_type_psaddr_t=no
   
fi
rm -f conftest*
fi

 if test $bfd_cv_have_sys_procfs_type_psaddr_t = yes; then
   cat >> confdefs.h <<\EOF
#define HAVE_PSADDR_T 1
EOF

 fi
 echo "$ac_t""$bfd_cv_have_sys_procfs_type_psaddr_t" 1>&6

  echo $ac_n "checking for prgregset_t in sys/procfs.h""... $ac_c" 1>&6
echo "configure:1349: checking for prgregset_t in sys/procfs.h" >&5
 if eval "test \"`echo '$''{'bfd_cv_have_sys_procfs_type_prgregset_t'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 1354 "configure"
#include "confdefs.h"

#define _SYSCALL32
#include <sys/procfs.h>
int main() {
prgregset_t avar
; return 0; }
EOF
if { (eval echo configure:1363: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
  rm -rf conftest*
  bfd_cv_have_sys_procfs_type_prgregset_t=yes
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  bfd_cv_have_sys_procfs_type_prgregset_t=no
   
fi
rm -f conftest*
fi

 if test $bfd_cv_have_sys_procfs_type_prgregset_t = yes; then
   cat >> confdefs.h <<\EOF
#define HAVE_PRGREGSET_T 1
EOF

 fi
 echo "$ac_t""$bfd_cv_have_sys_procfs_type_prgregset_t" 1>&6

  echo $ac_n "checking for prfpregset_t in sys/procfs.h""... $ac_c" 1>&6
echo "configure:1385: checking for prfpregset_t in sys/procfs.h" >&5
 if eval "test \"`echo '$''{'bfd_cv_have_sys_procfs_type_prfpregset_t'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 1390 "configure"
#include "confdefs.h"

#define _SYSCALL32
#include <sys/procfs.h>
int main() {
prfpregset_t avar
; return 0; }
EOF
if { (eval echo configure:1399: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
  rm -rf conftest*
  bfd_cv_have_sys_procfs_type_prfpregset_t=yes
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  bfd_cv_have_sys_procfs_type_prfpregset_t=no
   
fi
rm -f conftest*
fi

 if test $bfd_cv_have_sys_procfs_type_prfpregset_t = yes; then
   cat >> confdefs.h <<\EOF
#define HAVE_PRFPREGSET_T 1
EOF

 fi
 echo "$ac_t""$bfd_cv_have_sys_procfs_type_prfpregset_t" 1>&6


  
        
  if test $bfd_cv_have_sys_procfs_type_prfpregset_t = yes; then
    echo $ac_n "checking whether prfpregset_t type is broken""... $ac_c" 1>&6
echo "configure:1425: checking whether prfpregset_t type is broken" >&5
    if eval "test \"`echo '$''{'gdb_cv_prfpregset_t_broken'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  if test "$cross_compiling" = yes; then
  gdb_cv_prfpregset_t_broken=yes
else
  cat > conftest.$ac_ext <<EOF
#line 1433 "configure"
#include "confdefs.h"
#include <sys/procfs.h>
       int main ()
       {
         if (sizeof (prfpregset_t) == sizeof (void *))
           return 1;
         return 0;
       }
EOF
if { (eval echo configure:1443: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
then
  gdb_cv_prfpregset_t_broken=no
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -fr conftest*
  gdb_cv_prfpregset_t_broken=yes
fi
rm -fr conftest*
fi

fi

    echo "$ac_t""$gdb_cv_prfpregset_t_broken" 1>&6
    if test $gdb_cv_prfpregset_t_broken = yes; then
      cat >> confdefs.h <<\EOF
#define PRFPREGSET_T_BROKEN 1
EOF

    fi
  fi

  echo $ac_n "checking for elf_fpregset_t in sys/procfs.h""... $ac_c" 1>&6
echo "configure:1467: checking for elf_fpregset_t in sys/procfs.h" >&5
 if eval "test \"`echo '$''{'bfd_cv_have_sys_procfs_type_elf_fpregset_t'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 1472 "configure"
#include "confdefs.h"

#define _SYSCALL32
#include <sys/procfs.h>
int main() {
elf_fpregset_t avar
; return 0; }
EOF
if { (eval echo configure:1481: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
  rm -rf conftest*
  bfd_cv_have_sys_procfs_type_elf_fpregset_t=yes
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  bfd_cv_have_sys_procfs_type_elf_fpregset_t=no
   
fi
rm -f conftest*
fi

 if test $bfd_cv_have_sys_procfs_type_elf_fpregset_t = yes; then
   cat >> confdefs.h <<\EOF
#define HAVE_ELF_FPREGSET_T 1
EOF

 fi
 echo "$ac_t""$bfd_cv_have_sys_procfs_type_elf_fpregset_t" 1>&6

fi

srv_thread_depfiles=