diff -up ./tests/Makefile.am.orig ./tests/Makefile.am

--- ./tests/Makefile.am.orig	2009-07-28 16:28:55.377059021 +0300

+++ ./tests/Makefile.am	2009-07-28 16:31:01.136810734 +0300

@@ -20,7 +20,7 @@ check_PROGRAMS = tversion tinternals tin

 EXTRA_DIST = tgeneric.c tgeneric_ui.c mpf_compat.h inp_str.data tmul.dat

-tmul_CPPFLAGS = -DMPFR_SRCDIR=$(srcdir)

+tmul_CPPFLAGS = -DMPFR_SRCDIR=\"$(srcdir)\"

 LDADD = libfrtests.la $(MPFR_LIBM) $(top_builddir)/libmpfr.la

 INCLUDES = -I$(top_srcdir) -I$(top_builddir)

diff -up ./tests/tmul.c.orig ./tests/tmul.c

--- ./tests/tmul.c.orig	2009-07-28 16:29:03.761058919 +0300

+++ ./tests/tmul.c	2009-07-28 16:30:46.369812215 +0300

@@ -26,10 +26,8 @@ MA 02110-1301, USA. */

 #include "mpfr-test.h"

 #ifndef MPFR_SRCDIR

-#define MPFR_SRCDIR .

+#define MPFR_SRCDIR "."

 #endif

-#define QUOTE(X) NAME(X)

-#define NAME(X) #X

 #ifdef CHECK_EXTERNAL

 static int

@@ -482,10 +480,10 @@ check_regression (void)

   mpfr_inits2 (6177, x, y, z, (mpfr_ptr) 0);

   /* we read long strings from a file since ISO C90 does not support strings of

      length > 509 */

-  fp = fopen (QUOTE (MPFR_SRCDIR)"/tmul.dat", "r");

+  fp = fopen (MPFR_SRCDIR "/tmul.dat", "r");

   if (fp == NULL)

     {

-      fprintf (stderr, "Error, cannot open "QUOTE (MPFR_SRCDIR)"/tmul.dat\n");

+      fprintf (stderr, "Error, cannot open " MPFR_SRCDIR "/tmul.dat\n");

       exit (1);

     }

   get_string (s, fp);