diff options
| author | Niels Möller <nisse@lysator.liu.se> | 2013-02-14 11:58:00 +0100 |
|---|---|---|
| committer | Niels Möller <nisse@lysator.liu.se> | 2013-02-14 11:58:00 +0100 |
| commit | f1019d019688bf563198b10d0519faa8e09b7eb2 (patch) | |
| tree | 2df6dd846d1f395dfb3e21aaeed55889fb800a03 /configure.ac | |
| parent | 2d9a849ee36280400b5f905005313ae1492654d3 (diff) | |
| download | nettle-f1019d019688bf563198b10d0519faa8e09b7eb2.tar.gz | |
Configure check for GMP_NUMB_BITS.
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac index 3dda4612..848601d4 100644 --- a/configure.ac +++ b/configure.ac @@ -587,6 +587,20 @@ Support for public key algorithms will be unavailable.])] # Add -R flags needed to run programs linked with gmp LSH_RPATH_FIX +# Check for gmp limb size +nettle_cv_gmp_numb_bits=0 +if test "$enable_public_key" = yes; then + AC_MSG_CHECKING([for GMP limb size]) + AC_COMPUTE_INT(nettle_cv_gmp_numb_bits, [GMP_NUMB_BITS], + [#include <gmp.h>], + [AC_MSG_FAILURE([cannot find value of GMP_NUMB_BITS])]) + + AC_MSG_RESULT([$nettle_cv_gmp_numb_bits bits]) +fi + +GMP_NUMB_BITS="$nettle_cv_gmp_numb_bits" +AC_SUBST([GMP_NUMB_BITS]) + AH_TEMPLATE([HAVE_MPZ_POWM_SEC], [Define if mpz_powm_sec is available (appeared in GMP-5)]) AC_CHECK_FUNC(__gmpz_powm_sec, [AC_DEFINE(HAVE_MPZ_POWM_SEC)]) |