X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=gdb%2Fconfigure.in;h=e8d6c3bcc8cce08e4dbee911d7e08b40278b43a4;hb=c5394b80aefdea6b2f589723a4b79bcbc1942629;hp=ba70e75522e75f56b63957dee144433ba3d3dead;hpb=ed288bb597072176e84fc8279707a3f2f475779b;p=deliverable%2Fbinutils-gdb.git

diff --git a/gdb/configure.in b/gdb/configure.in
index ba70e75522..e8d6c3bcc8 100644
--- a/gdb/configure.in
+++ b/gdb/configure.in
@@ -79,19 +79,41 @@ AC_TYPE_SIGNAL
 
 AC_HEADER_STDC
 
-AC_CHECK_HEADERS(ctype.h curses.h endian.h link.h \
+AC_CHECK_HEADERS(ctype.h curses.h endian.h link.h thread_db.h proc_service.h \
 	memory.h objlist.h ptrace.h sgtty.h stddef.h stdlib.h \
-	string.h sys/procfs.h sys/ptrace.h sys/reg.h \
+	string.h sys/procfs.h sys/ptrace.h sys/reg.h stdint.h \
 	term.h termio.h termios.h unistd.h wait.h sys/wait.h \
-	wchar.h wctype.h asm/debugreg.h sys/debugreg.h sys/select.h)
+	wchar.h wctype.h asm/debugreg.h sys/debugreg.h sys/select.h \
+	time.h sys/ioctl.h)
 AC_HEADER_STAT
 
 AC_C_CONST
 
-AC_CHECK_FUNCS(setpgid sbrk sigaction isascii bzero bcopy btowc poll \
-	socketpair)
+AC_CHECK_FUNCS(setpgid sbrk sigaction isascii bzero bcopy btowc poll sigprocmask)
 AC_FUNC_ALLOCA
 
+dnl See if ptrace.h provides the PTRACE_GETXFPREGS request.
+dnl PTRACE_GETXFPREGS is a Cygnus invention, since we wrote our own
+dnl Linux kernel patch for SSE support.  That patch may or may not
+dnl actually make it into the official distribution.  If you find that
+dnl years have gone by since this configure test was added, and Linux
+dnl isn't using PTRACE_GETXFPREGS, that means that our patch didn't
+dnl make it, and you can delete this code.
+AC_MSG_CHECKING(for PTRACE_GETXFPREGS)
+AC_CACHE_VAL(gdb_cv_have_ptrace_getxfpregs,
+[AC_TRY_COMPILE([#include <sys/ptrace.h>],
+		[PTRACE_GETXFPREGS;],
+		[gdb_cv_have_ptrace_getxfpregs=yes],
+		[gdb_cv_have_ptrace_getxfpregs=no])])
+AC_MSG_RESULT($gdb_cv_have_ptrace_getxfpregs)
+if test $gdb_cv_have_ptrace_getxfpregs = yes; then
+  AC_DEFINE(HAVE_PTRACE_GETXFPREGS)
+fi
+
+AC_CHECK_LIB(socket, socketpair)
+AC_CHECK_FUNCS(socketpair)
+
+
 BFD_NEED_DECLARATION(malloc)
 BFD_NEED_DECLARATION(realloc)
 BFD_NEED_DECLARATION(free)
@@ -122,33 +144,24 @@ AC_MSG_RESULT($gdb_cv_hpux_sswide)
 
 # If we are configured native on GNU/Linux, work around problems with
 # sys/procfs.h
-# Also detect which type of /proc is in use, such as for Unixware.
+# Also detect which type of /proc is in use, such as for Unixware or Solaris.
 
 if test "${target}" = "${host}"; then
-  gdb_cv_hostos_is_solaris=no
   case "${host}" in
   i[[3456]]86-*-linux*)
 	AC_DEFINE(START_INFERIOR_TRAPS_EXPECTED,2)
 	AC_DEFINE(sys_quotactl)
 	;;
-  *-*-solaris*)
-	gdb_cv_hostos_is_solaris=yes ;;
+  *-*-unixware* | *-*-sysv4.2* | *-*-sysv5*)
+      AC_DEFINE(NEW_PROC_API)
+      ;;
+  # FIXME: we would like to define NEW_PROC_API for all versions of
+  # Solaris from 2.6 on... but it isn't quite working yet.  Seems
+  # to work on sparc 2.6, so let's try it out there.
+  sparc-sun-solaris2.6)
+      AC_DEFINE(NEW_PROC_API)
+      ;;
   esac
-  AC_MSG_CHECKING(for directory proc entries)
-# The [gdb_host != sun4sol2] hack is because Solaris does provide the
-# multiple procfs files as of Solaris 2.6, but GDB can't use it right now.
-  if test "$ac_cv_header_sys_procfs_h" = yes -a \
-          "$gdb_cv_hostos_is_solaris" = no \
-  -a -d /proc/$$ \
-  -a -f /proc/$$/ctl \
-  -a -f /proc/$$/as \
-  -a -f /proc/$$/map \
-  -a -f /proc/$$/status; then
-    AC_MSG_RESULT(yes)
-    AC_DEFINE(HAVE_MULTIPLE_PROC_FDS)
-  else
-    AC_MSG_RESULT(no)
-  fi
 fi
 
 if test "$ac_cv_header_sys_procfs_h" = yes; then
@@ -395,15 +408,26 @@ case "${enableval}" in
   *,)   t=`echo "${enableval}" | sed -e "s/,/ /g"`
         build_warnings="${t} ${build_warnings}";;
   *)    build_warnings=`echo "${enableval}" | sed -e "s/,/ /g"`;;
-esac],[build_warnings=""])dnl
-
+esac
+if test x"$silent" != x"yes" && test x"$build_warnings" != x""; then
+  echo "Setting warning flags = $build_warnings" 6>&1
+fi
+WARN_CFLAGS=""
+WERROR_CFLAGS=""
 if test "x${build_warnings}" != x -a "x$GCC" = xyes
 then
-   WARN_CFLAGS="${build_warnings}"
-else
-   WARN_CFLAGS=""
-fi
+  # Separate out the -Werror flag as some files just cannot be
+  # compiled with it enabled.
+  for w in ${build_warnings}; do
+    case $w in
+    -Werr*) WERROR_CFLAGS=-Werror ;;
+    *) WARN_CFLAGS="${WARN_CFLAGS} $w"
+    esac
+  done
+fi],[build_warnings=""])dnl
+
 AC_SUBST(WARN_CFLAGS)
+AC_SUBST(WERROR_CFLAGS)
 
 MMALLOC_CFLAGS=
 MMALLOC=
@@ -465,6 +489,10 @@ AC_SUBST(TERM_LIB)
 WIN32LIBS=
 if test x$gdb_cv_os_cygwin = xyes; then
     WIN32LIBS="-luser32"
+    case "${target}" in
+	*cygwin*) WIN32LIBS="$WIN32LIBS -limagehlp"
+	;;
+    esac
 fi
 AC_SUBST(WIN32LIBS)
 
@@ -677,6 +705,7 @@ sed -e '/^TM_FILE[ 	]*=/s,^TM_FILE[ 	]*=[ 	]*,&config/'"${gdb_target_cpu}"'/,
 mv -f Makefile.tmp Makefile
 changequote([,])dnl
 
+
 case x$CONFIG_HEADERS in
 xconfig.h:config.in)
 echo > stamp-h ;;