2002-06-11 Daniel Jacobowitz <drow@mvista.com>

[thirdparty/binutils-gdb.git] / gdb / gdbserver / aclocal.m4

diff --git a/gdb/gdbserver/aclocal.m4 b/gdb/gdbserver/aclocal.m4
index 24b9ced283533a9355c3e9700fc7d2d49132e8e6..2fc6cf883dad51200751c75b806eefbe3ecfa2ee 100644 (file)
--- a/gdb/gdbserver/aclocal.m4
+++ b/gdb/gdbserver/aclocal.m4
@@ -10,91 +10,45 @@ dnl but WITHOUT ANY WARRANTY, to the extent permitted by law; without
 dnl even the implied warranty of MERCHANTABILITY or FITNESS FOR A
 dnl PARTICULAR PURPOSE.
 
+dnl gdb/gdbserver/configure.in uses BFD_HAVE_SYS_PROCFS_TYPE.
+sinclude(../../bfd/acinclude.m4)
 
-# serial 1
+AC_DEFUN([SRV_CHECK_THREAD_DB],
+[AC_CACHE_CHECK([for libthread_db],[srv_cv_thread_db],
+ [old_LIBS="$LIBS"
+  LIBS="$LIBS -lthread_db"
+  AC_TRY_LINK(
+  [void ps_pglobal_lookup() {}
+   void ps_pdread() {}
+   void ps_pdwrite() {}
+   void ps_lgetregs() {}
+   void ps_lsetregs() {}
+   void ps_lgetfpregs() {}
+   void ps_lsetfpregs() {}
+   void ps_getpid() {}],
+  [td_ta_new();],
+  [srv_cv_thread_db="-lthread_db"],
+  [srv_cv_thread_db=no
 
-# @defmac AC_PROG_CC_STDC
-# @maindex PROG_CC_STDC
-# @ovindex CC
-# If the C compiler in not in ANSI C mode by default, try to add an option
-# to output variable @code{CC} to make it so.  This macro tries various
-# options that select ANSI C on some system or another.  It considers the
-# compiler to be in ANSI C mode if it handles function prototypes correctly.
-#
-# If you use this macro, you should check after calling it whether the C
-# compiler has been set to accept ANSI C; if not, the shell variable
-# @code{am_cv_prog_cc_stdc} is set to @samp{no}.  If you wrote your source
-# code in ANSI C, you can make an un-ANSIfied copy of it by using the
-# program @code{ansi2knr}, which comes with Ghostscript.
-# @end defmac
-
-AC_DEFUN(AM_PROG_CC_STDC,
-[AC_REQUIRE([AC_PROG_CC])
-AC_BEFORE([$0], [AC_C_INLINE])
-AC_BEFORE([$0], [AC_C_CONST])
-dnl Force this before AC_PROG_CPP.  Some cpp's, eg on HPUX, require
-dnl a magic option to avoid problems with ANSI preprocessor commands
-dnl like #elif.
-dnl FIXME: can't do this because then AC_AIX won't work due to a
-dnl circular dependency.
-dnl AC_BEFORE([$0], [AC_PROG_CPP])
-AC_MSG_CHECKING(for ${CC-cc} option to accept ANSI C)
-AC_CACHE_VAL(am_cv_prog_cc_stdc,
-[am_cv_prog_cc_stdc=no
-ac_save_CC="$CC"
-# Don't try gcc -ansi; that turns off useful extensions and
-# breaks some systems' header files.
-# AIX                  -qlanglvl=ansi
-# Ultrix and OSF/1     -std1
-# HP-UX                        -Aa -D_HPUX_SOURCE
-# SVR4                 -Xc -D__EXTENSIONS__
-for ac_arg in "" -qlanglvl=ansi -std1 "-Aa -D_HPUX_SOURCE" "-Xc -D__EXTENSIONS__"
-do
-  CC="$ac_save_CC $ac_arg"
-  AC_TRY_COMPILE(
-[#include <stdarg.h>
-#include <stdio.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-/* Most of the following tests are stolen from RCS 5.7's src/conf.sh.  */
-struct buf { int x; };
-FILE * (*rcsopen) (struct buf *, struct stat *, int);
-static char *e (p, i)
-     char **p;
-     int i;
-{
-  return p[i];
-}
-static char *f (char * (*g) (char **, int), char **p, ...)
-{
-  char *s;
-  va_list v;
-  va_start (v,p);
-  s = g (p, va_arg (v,int));
-  va_end (v);
-  return s;
-}
-int test (int i, double x);
-struct s1 {int (*f) (int a);};
-struct s2 {int (*f) (double a);};
-int pairnames (int, char **, FILE *(*)(struct buf *, struct stat *, int), int, int);
-int argc;
-char **argv;
-], [
-return f (e, argv, 0) != argv[0]  ||  f (e, argv, 1) != argv[1];
-],
-[am_cv_prog_cc_stdc="$ac_arg"; break])
-done
-CC="$ac_save_CC"
-])
-if test -z "$am_cv_prog_cc_stdc"; then
-  AC_MSG_RESULT([none needed])
-else
-  AC_MSG_RESULT($am_cv_prog_cc_stdc)
-fi
-case "x$am_cv_prog_cc_stdc" in
-  x|xno) ;;
-  *) CC="$CC $am_cv_prog_cc_stdc" ;;
-esac
-])
+ if test "$prefix" = "/usr" || test "$prefix" = "NONE"; then
+  thread_db="/lib/libthread_db.so.1"
+ else
+  thread_db='$prefix/lib/libthread_db.so.1'
+ fi
+ LIBS="$old_LIBS `eval echo "$thread_db"`"
+ AC_TRY_LINK(
+  [void ps_pglobal_lookup() {}
+   void ps_pdread() {}
+   void ps_pdwrite() {}
+   void ps_lgetregs() {}
+   void ps_lsetregs() {}
+   void ps_lgetfpregs() {}
+   void ps_lsetfpregs() {}
+   void ps_getpid() {}],
+  [td_ta_new();],
+  [srv_cv_thread_db="$thread_db"],
+  [srv_cv_thread_db=no])
+ LIBS="$old_LIBS"
+ ]])
+)])