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* configure.ac: Add "recommended" version checks for GMP/MPC.

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Update recommended GMP/MPFR/MPC versions.
	* configure: Regenerate.
This commit is contained in:
Kaveh Ghazi
2010-01-31 18:40:33 +00:00
parent 2d69f00e6e
commit dded80b377
3 changed files with 95 additions and 21 deletions
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37
configure.ac
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@@ -1341,18 +1341,27 @@ if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then
have_gmp=yes
saved_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS $gmpinc"
# Check GMP actually works
AC_MSG_CHECKING([for correct version of gmp.h])
# Check for the recommended and required versions of GMP.
AC_MSG_CHECKING([for the correct version of gmp.h])
AC_TRY_COMPILE([#include "gmp.h"],[
#if __GNU_MP_VERSION < 4 || (__GNU_MP_VERSION == 4 && __GNU_MP_VERSION_MINOR < 2)
#define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
#define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
#if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,2,0)
choke me
#endif
], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
], AC_TRY_COMPILE([#include <gmp.h>],[
#define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
#define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
#if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,3,2)
choke me
#endif
], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])]),
[AC_MSG_RESULT([no]); have_gmp=no])
# If we have GMP, check the MPFR version.
if test x"$have_gmp" = xyes; then
dnl MPFR 2.3.1 is acceptable, but MPFR 2.3.2 is better.
AC_MSG_CHECKING([for correct version of mpfr.h])
# Check for the recommended and required versions of MPFR.
AC_MSG_CHECKING([for the correct version of mpfr.h])
AC_TRY_COMPILE([#include <gmp.h>
#include <mpfr.h>],[
#if MPFR_VERSION < MPFR_VERSION_NUM(2,3,1)
@@ -1360,7 +1369,7 @@ if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then
#endif
], AC_TRY_COMPILE([#include <gmp.h>
#include <mpfr.h>],[
#if MPFR_VERSION < MPFR_VERSION_NUM(2,3,2)
#if MPFR_VERSION < MPFR_VERSION_NUM(2,4,2)
choke me
#endif
], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])]),
@@ -1369,12 +1378,18 @@ if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then
# Check for the MPC header version.
if test x"$have_gmp" = xyes ; then
# Check for the recommended and required versions of MPC.
AC_MSG_CHECKING([for the correct version of mpc.h])
AC_TRY_COMPILE([#include <mpc.h>],[
#if MPC_VERSION < MPC_VERSION_NUM (0,8,0)
#if MPC_VERSION < MPC_VERSION_NUM(0,8,0)
choke me
#endif
], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
], AC_TRY_COMPILE([#include <mpc.h>],[
#if MPC_VERSION < MPC_VERSION_NUM(0,8,1)
choke me
#endif
], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])]),
[AC_MSG_RESULT([no]); have_gmp=no])
fi
# Now check the MPFR library.
@@ -1406,8 +1421,10 @@ if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then
CFLAGS="$saved_CFLAGS"
# The library versions listed in the error message below should match
# the HARD-minimums enforced above.
if test x$have_gmp != xyes; then
AC_MSG_ERROR([Building GCC requires GMP 4.2+, MPFR 2.3.2+ and MPC 0.8.0+.
AC_MSG_ERROR([Building GCC requires GMP 4.2+, MPFR 2.3.1+ and MPC 0.8.0+.
Try the --with-gmp, --with-mpfr and/or --with-mpc options to specify
their locations. Source code for these libraries can be found at
their respective hosting sites as well as at