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List:       oprofile-commits
Subject:    [oprof-cvs] CVS: oprofile/m4 cellspubfdsupport.m4,1.1,1.2
From:       Maynard Johnson <maynardj () users ! sourceforge ! net>
Date:       2007-05-31 15:33:20
Message-ID: E1HtmeO-0002Bz-QK () sc8-pr-cvs3 ! sourceforge ! net
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Update of /cvsroot/oprofile/oprofile/m4
In directory sc8-pr-cvs3.sourceforge.net:/tmp/cvs-serv8295/oprofile/m4

Modified Files:
	cellspubfdsupport.m4 
Log Message:
Fixups for compile failures on older Linux distributions

Index: cellspubfdsupport.m4
===================================================================
RCS file: /cvsroot/oprofile/oprofile/m4/cellspubfdsupport.m4,v
retrieving revision 1.1
retrieving revision 1.2
diff -u -p -d -r1.1 -r1.2
--- cellspubfdsupport.m4	10 May 2007 23:33:07 -0000	1.1
+++ cellspubfdsupport.m4	31 May 2007 15:33:18 -0000	1.2
@@ -5,29 +5,38 @@ AC_DEFUN([AX_CELL_SPU],
 # SPU profiles.  To parse embedded SPU ELF on Cell BE, OProfile requires a
 # version of bfd_openr_iovec that supports the elf32-spu target.
 # This version of the function also has a 7th parameter that's been added.
-# We use a temporary test program below that passes 7 arguments to
+# First, we check for existence of the base bfd_openr_iovec.  If it exists,
+# we then use a temporary test program below that passes 7 arguments to
 # bfd_openr_iovec; if it compiles OK, we assume we have the right BFD
 # library to support Cell BE SPU profiling.
 
-AC_MSG_CHECKING([whether bfd_openr_iovec has seven parameters])
+AC_LANG_PUSH(C)
 SAVE_LIBS=$LIBS
 LIBS=" -lbfd -liberty "
-AC_LANG_PUSH(C)
-AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <bfd.h>
-  #include <stdlib.h>
-],
- [[struct bfd *nbfd = bfd_openr_iovec("some-file", "elf32-spu",
-		NULL, NULL, NULL, NULL, NULL);
-  return 0;
-]])],
-[AC_DEFINE([HAVE_BFD_OPENR_IOVEC_WITH_7PARMS],
-	[],
-	[Defined if you have the version of bfd_openr_iovec with 7 parameters])
-bfd_open_iovec_7="yes"
-AC_MSG_RESULT([yes])],
-[AC_MSG_RESULT([no])]
+
+AC_CHECK_LIB(bfd, bfd_openr_iovec,
+	[bfd_openr_iovec_exists="yes"],
+	[bfd_openr_iovec_exists="no"]
 )
 
+if test "$bfd_openr_iovec_exists" = "yes"; then
+	AC_MSG_CHECKING([whether bfd_openr_iovec has seven parameters])
+	AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <bfd.h>
+	  #include <stdlib.h>
+	],
+	 [[struct bfd *nbfd = bfd_openr_iovec("some-file", "elf32-spu",
+			NULL, NULL, NULL, NULL, NULL);
+	  return 0;
+	]])],
+	[AC_DEFINE([HAVE_BFD_OPENR_IOVEC_WITH_7PARMS],
+		[],
+		[Defined if you have the version of bfd_openr_iovec with 7 parameters])
+	bfd_open_iovec_7="yes"
+	AC_MSG_RESULT([yes])],
+	[AC_MSG_RESULT([no])]
+	)
+fi
+
 AC_LANG_POP(C)
 LIBS=$SAVE_LIBS
 


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