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This commit is contained in:
Richard Sandiford
2007-12-18 07:37:34 +00:00
parent 61f9c74a8d
commit fcd436325b
5 changed files with 30 additions and 20 deletions
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8
configure.ac
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@@ -1220,11 +1220,11 @@ if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then
if test x"$have_gmp" = xyes; then
saved_LIBS="$LIBS"
LIBS="$LIBS $gmplibs"
dnl MPFR 2.2.0 is acceptable but buggy, MPFR 2.2.1 is better.
dnl MPFR 2.2.1 is acceptable, but MPFR 2.3.0 is better.
AC_MSG_CHECKING([for correct version of mpfr.h])
AC_TRY_LINK([#include <gmp.h>
#include <mpfr.h>],[
#if MPFR_VERSION < MPFR_VERSION_NUM(2,2,0)
#if MPFR_VERSION < MPFR_VERSION_NUM(2,2,1)
choke me
#endif
mpfr_t n;
@@ -1237,7 +1237,7 @@ if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then
mpfr_subnormalize (x, t, GMP_RNDN);
], [AC_TRY_LINK([#include <gmp.h>
#include <mpfr.h>],[
#if MPFR_VERSION < MPFR_VERSION_NUM(2,2,1)
#if MPFR_VERSION < MPFR_VERSION_NUM(2,3,0)
choke me
#endif
mpfr_t n; mpfr_init(n);
@@ -1248,7 +1248,7 @@ if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then
CFLAGS="$saved_CFLAGS"
if test x$have_gmp != xyes; then
AC_MSG_ERROR([Building GCC requires GMP 4.1+ and MPFR 2.2.1+.
AC_MSG_ERROR([Building GCC requires GMP 4.1+ and MPFR 2.3.0+.
Try the --with-gmp and/or --with-mpfr options to specify their locations.
Copies of these libraries' source code can be found at their respective
hosting sites as well as at ftp://gcc.gnu.org/pub/gcc/infrastructure/.