blob: 4d6964a0da7a44f064aae5c67be1ae0b861979db (
plain)
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diff --git a/m4/ac_check_gmp.m4 b/m4/ac_check_gmp.m4
index 60cecdc..15acb18 100644
--- a/m4/ac_check_gmp.m4
+++ b/m4/ac_check_gmp.m4
@@ -71,6 +71,10 @@ AC_RUN_IFELSE([AC_LANG_SOURCE([[
#GMP version 4.1.3 or higher is required
#endif
+#ifndef BITS_PER_MP_LIMB
+#define BITS_PER_MP_LIMB GMP_LIMB_BITS
+#endif
+
int
main() {
std::string header_version;
@@ -97,11 +101,11 @@ main() {
return 1;
}
- if (sizeof(mp_limb_t)*CHAR_BIT != GMP_LIMB_BITS
- || GMP_LIMB_BITS != mp_bits_per_limb) {
+ if (sizeof(mp_limb_t)*CHAR_BIT != BITS_PER_MP_LIMB
+ || BITS_PER_MP_LIMB != mp_bits_per_limb) {
std::cerr
<< "GMP header (gmp.h) and library (ligmp.*) bits-per-limb mismatch:\n"
- << "header gives " << __GMP_BITS_PER_MP_LIMB << ";\n"
+ << "header gives " << BITS_PER_MP_LIMB << ";\n"
<< "library gives " << mp_bits_per_limb << ".\n"
<< "This probably means you are on a bi-arch system and\n"
<< "you are compiling with the wrong header or linking with\n"
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