From a28030212fd379ffda501ce8010b0811db81291b Mon Sep 17 00:00:00 2001
From: DJ Delorie <dj@redhat.com>
Date: Thu, 3 Jun 2010 16:54:11 +0000
Subject: [PATCH] merge from gcc

---
 libiberty/ChangeLog    |  9 ++++++++-
 libiberty/configure    | 22 ++++++++++++++--------
 libiberty/configure.ac |  4 ++--
 3 files changed, 24 insertions(+), 11 deletions(-)

diff --git a/libiberty/ChangeLog b/libiberty/ChangeLog
index 520d5dc4a7b..744f6ae1aef 100644
--- a/libiberty/ChangeLog
+++ b/libiberty/ChangeLog
@@ -1,4 +1,11 @@
-2ß1ß-05-26  Kai Tietz  <kai.tietz@onevision.com>
+2010-06-03  Joern Rennecke <joern.rennecke@embecosm.com>
+	    Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
+
+	PR bootstrap/42798
+	* configure.ac: Check for declaration of 'basename(char *)'.
+	* configure: Regenerate.
+
+2010-05-26  Kai Tietz  <kai.tietz@onevision.com>
 
 	* testsuite/demangle-expected: Add tests for __int128
 	and unsigned __int128 types.
diff --git a/libiberty/configure b/libiberty/configure
index 77aeb56c707..b47bc94248d 100755
--- a/libiberty/configure
+++ b/libiberty/configure
@@ -1904,8 +1904,10 @@ $as_echo "$ac_res" >&6; }
 ac_fn_c_check_decl ()
 {
   as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $2 is declared" >&5
-$as_echo_n "checking whether $2 is declared... " >&6; }
+  as_decl_name=`echo $2|sed 's/ *(.*//'`
+  as_decl_use=`echo $2|sed -e 's/(/((/' -e 's/)/) 0&/' -e 's/,/) 0& (/g'`
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $as_decl_name is declared" >&5
+$as_echo_n "checking whether $as_decl_name is declared... " >&6; }
 if { as_var=$3; eval "test \"\${$as_var+set}\" = set"; }; then :
   $as_echo_n "(cached) " >&6
 else
@@ -1915,8 +1917,12 @@ $4
 int
 main ()
 {
-#ifndef $2
-  (void) $2;
+#ifndef $as_decl_name
+#ifdef __cplusplus
+  (void) $as_decl_use;
+#else
+  (void) $as_decl_name;
+#endif
 #endif
 
   ;
@@ -5310,8 +5316,8 @@ _ACEOF
 fi
 done
 
-  ac_fn_c_check_decl "$LINENO" "basename" "ac_cv_have_decl_basename" "$ac_includes_default"
-if test "x$ac_cv_have_decl_basename" = x""yes; then :
+  ac_fn_c_check_decl "$LINENO" "basename(char *)" "ac_cv_have_decl_basename_char_p_" "$ac_includes_default"
+if test "x$ac_cv_have_decl_basename_char_p_" = x""yes; then :
   ac_have_decl=1
 else
   ac_have_decl=0
@@ -6349,8 +6355,8 @@ _ACEOF
 fi
 done
 
-  ac_fn_c_check_decl "$LINENO" "basename" "ac_cv_have_decl_basename" "$ac_includes_default"
-if test "x$ac_cv_have_decl_basename" = x""yes; then :
+  ac_fn_c_check_decl "$LINENO" "basename(char *)" "ac_cv_have_decl_basename_char_p_" "$ac_includes_default"
+if test "x$ac_cv_have_decl_basename_char_p_" = x""yes; then :
   ac_have_decl=1
 else
   ac_have_decl=0
diff --git a/libiberty/configure.ac b/libiberty/configure.ac
index 515bb338441..32ec8d9c095 100644
--- a/libiberty/configure.ac
+++ b/libiberty/configure.ac
@@ -379,7 +379,7 @@ if test "x" = "y"; then
     table times tmpnam \
     vasprintf vfprintf vprintf vsprintf \
     wait3 wait4 waitpid)
-  AC_CHECK_DECLS([basename, ffs, asprintf, vasprintf, snprintf, vsnprintf])
+  AC_CHECK_DECLS([basename(char *), ffs, asprintf, vasprintf, snprintf, vsnprintf])
   AC_DEFINE(HAVE_SYS_ERRLIST, 1, [Define if you have the sys_errlist variable.])
   AC_DEFINE(HAVE_SYS_NERR,    1, [Define if you have the sys_nerr variable.])
   AC_DEFINE(HAVE_SYS_SIGLIST, 1, [Define if you have the sys_siglist variable.])
@@ -663,7 +663,7 @@ if test -z "${setobjs}"; then
     [AC_MSG_RESULT([no])])
 
   AC_CHECK_FUNCS($checkfuncs)
-  AC_CHECK_DECLS([basename, ffs, asprintf, vasprintf, snprintf, vsnprintf])
+  AC_CHECK_DECLS([basename(char *), ffs, asprintf, vasprintf, snprintf, vsnprintf])
   AC_CHECK_DECLS([calloc, getenv, getopt, malloc, realloc, sbrk])
   AC_CHECK_DECLS([strverscmp])
   libiberty_NEED_DECLARATION(canonicalize_file_name)
-- 
2.30.2