2010-12-05 Kai Tietz <kai.tietz@onevision.com>

        * config.h.in: Regenerated.
        * configure: Regenerated.
        * configure.ac (AC_CHECK_HEADERS): Replaced by AC_HEADER_SYS_WAIT.
        * lto-plugin.c (WIFEXITED): Define default.
        (WEXITSTATUS): Likeiwse.



git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@167468 138bc75d-0d04-0410-961f-82ee72b054a4

5 files changed, 55 insertions, 99 deletions

diff --git a/lto-plugin/ChangeLog b/lto-plugin/ChangeLog
index 6148ce9deda..2463d83098b 100644
--- a/lto-plugin/ChangeLog
+++ b/lto-plugin/ChangeLog
@@ -1,3 +1,11 @@
+2010-12-05  Kai Tietz  <kai.tietz@onevision.com>
+
+	* config.h.in: Regenerated.
+	* configure: Regenerated.
+	* configure.ac (AC_CHECK_HEADERS): Replaced by AC_HEADER_SYS_WAIT.
+	* lto-plugin.c (WIFEXITED): Define default.
+	(WEXITSTATUS): Likeiwse.
+
 2010-12-01  Kai Tietz  <kai.tietz@onevision.com>
 
 	* config.h.in: Regenerated.
diff --git a/lto-plugin/config.h.in b/lto-plugin/config.h.in
index 247b3447d1e..a591ccc7b36 100644
--- a/lto-plugin/config.h.in
+++ b/lto-plugin/config.h.in
@@ -27,7 +27,7 @@
 /* Define to 1 if you have the <sys/types.h> header file. */
 #undef HAVE_SYS_TYPES_H
 
-/* Define to 1 if you have the <sys/wait.h> header file. */
+/* Define to 1 if you have <sys/wait.h> that is POSIX.1 compatible. */
 #undef HAVE_SYS_WAIT_H
 
 /* Define to 1 if you have the <unistd.h> header file. */
diff --git a/lto-plugin/configure b/lto-plugin/configure
index a2814666abd..8b94622b3ff 100755
--- a/lto-plugin/configure
+++ b/lto-plugin/configure
@@ -1852,93 +1852,6 @@ $as_echo "$ac_res" >&6; }
   eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
 
 } # ac_fn_c_find_uintX_t
-
-# ac_fn_c_check_header_mongrel LINENO HEADER VAR INCLUDES
-# -------------------------------------------------------
-# Tests whether HEADER exists, giving a warning if it cannot be compiled using
-# the include files in INCLUDES and setting the cache variable VAR
-# accordingly.
-ac_fn_c_check_header_mongrel ()
-{
-  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
-  if { as_var=$3; eval "test \"\${$as_var+set}\" = set"; }; then :
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
-$as_echo_n "checking for $2... " >&6; }
-if { as_var=$3; eval "test \"\${$as_var+set}\" = set"; }; then :
-  $as_echo_n "(cached) " >&6
-fi
-eval ac_res=\$$3
-	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
-$as_echo "$ac_res" >&6; }
-else
-  # Is the header compilable?
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking $2 usability" >&5
-$as_echo_n "checking $2 usability... " >&6; }
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-$4
-#include <$2>
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
-  ac_header_compiler=yes
-else
-  ac_header_compiler=no
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_header_compiler" >&5
-$as_echo "$ac_header_compiler" >&6; }
-
-# Is the header present?
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking $2 presence" >&5
-$as_echo_n "checking $2 presence... " >&6; }
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-#include <$2>
-_ACEOF
-if ac_fn_c_try_cpp "$LINENO"; then :
-  ac_header_preproc=yes
-else
-  ac_header_preproc=no
-fi
-rm -f conftest.err conftest.$ac_ext
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_header_preproc" >&5
-$as_echo "$ac_header_preproc" >&6; }
-
-# So?  What about this header?
-case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in #((
-  yes:no: )
-    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: accepted by the compiler, rejected by the preprocessor!" >&5
-$as_echo "$as_me: WARNING: $2: accepted by the compiler, rejected by the preprocessor!" >&2;}
-    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: proceeding with the compiler's result" >&5
-$as_echo "$as_me: WARNING: $2: proceeding with the compiler's result" >&2;}
-    ;;
-  no:yes:* )
-    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: present but cannot be compiled" >&5
-$as_echo "$as_me: WARNING: $2: present but cannot be compiled" >&2;}
-    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2:     check for missing prerequisite headers?" >&5
-$as_echo "$as_me: WARNING: $2:     check for missing prerequisite headers?" >&2;}
-    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: see the Autoconf documentation" >&5
-$as_echo "$as_me: WARNING: $2: see the Autoconf documentation" >&2;}
-    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2:     section \"Present But Cannot Be Compiled\"" >&5
-$as_echo "$as_me: WARNING: $2:     section \"Present But Cannot Be Compiled\"" >&2;}
-    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: proceeding with the compiler's result" >&5
-$as_echo "$as_me: WARNING: $2: proceeding with the compiler's result" >&2;}
-    ;;
-esac
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
-$as_echo_n "checking for $2... " >&6; }
-if { as_var=$3; eval "test \"\${$as_var+set}\" = set"; }; then :
-  $as_echo_n "(cached) " >&6
-else
-  eval "$3=\$ac_header_compiler"
-fi
-eval ac_res=\$$3
-	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
-$as_echo "$ac_res" >&6; }
-fi
-  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
-
-} # ac_fn_c_check_header_mongrel
 cat >config.log <<_ACEOF
 This file contains any messages produced by compilers while
 running configure, to aid debugging if configure makes a mistake.
@@ -10592,7 +10505,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 10595 "configure"
+#line 10508 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
@@ -10698,7 +10611,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 10701 "configure"
+#line 10614 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
@@ -10979,17 +10892,46 @@ _ACEOF
 ;;
   esac
 
-for ac_header in sys/wait.h
-do :
-  ac_fn_c_check_header_mongrel "$LINENO" "sys/wait.h" "ac_cv_header_sys_wait_h" "$ac_includes_default"
-if test "x$ac_cv_header_sys_wait_h" = x""yes; then :
-  cat >>confdefs.h <<_ACEOF
-#define HAVE_SYS_WAIT_H 1
-_ACEOF
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for sys/wait.h that is POSIX.1 compatible" >&5
+$as_echo_n "checking for sys/wait.h that is POSIX.1 compatible... " >&6; }
+if test "${ac_cv_header_sys_wait_h+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <sys/types.h>
+#include <sys/wait.h>
+#ifndef WEXITSTATUS
+# define WEXITSTATUS(stat_val) ((unsigned int) (stat_val) >> 8)
+#endif
+#ifndef WIFEXITED
+# define WIFEXITED(stat_val) (((stat_val) & 255) == 0)
+#endif
 
+int
+main ()
+{
+  int s;
+  wait (&s);
+  s = WIFEXITED (s) ? WEXITSTATUS (s) : 1;
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+  ac_cv_header_sys_wait_h=yes
+else
+  ac_cv_header_sys_wait_h=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_header_sys_wait_h" >&5
+$as_echo "$ac_cv_header_sys_wait_h" >&6; }
+if test $ac_cv_header_sys_wait_h = yes; then
 
-done
+$as_echo "#define HAVE_SYS_WAIT_H 1" >>confdefs.h
+
+fi
 
 ac_config_files="$ac_config_files Makefile"
 
diff --git a/lto-plugin/configure.ac b/lto-plugin/configure.ac
index 20699537e83..442b2395a67 100644
--- a/lto-plugin/configure.ac
+++ b/lto-plugin/configure.ac
@@ -22,7 +22,7 @@ case $target in
 esac
 AC_TYPE_INT64_T
 AC_TYPE_UINT64_T
-AC_CHECK_HEADERS(sys/wait.h)
+AC_HEADER_SYS_WAIT
 AC_CONFIG_FILES(Makefile)
 AC_CONFIG_HEADERS(config.h)
 AC_OUTPUT
diff --git a/lto-plugin/lto-plugin.c b/lto-plugin/lto-plugin.c
index d6eb7eee92f..5ca4c9a27a3 100644
--- a/lto-plugin/lto-plugin.c
+++ b/lto-plugin/lto-plugin.c
@@ -50,6 +50,12 @@ along with this program; see the file COPYING3.  If not see
 #ifdef HAVE_SYS_WAIT_H
 #include <sys/wait.h>
 #endif
+#ifndef WIFEXITED
+#define WIFEXITED(S) (((S) & 0xff) == 0)
+#endif
+#ifndef WEXITSTATUS
+#define WEXITSTATUS(S) (((S) & 0xff00) >> 8)
+#endif
 #include <libiberty.h>
 #include <hashtab.h>
 #include "../gcc/lto/common.h"