diff options
| -rw-r--r-- | configure.ac | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/configure.ac b/configure.ac index 3f42d55b..55fbefbd 100644 --- a/configure.ac +++ b/configure.ac @@ -124,6 +124,8 @@ AC_CACHE_CHECK( AC_LANG_PUSH(C++) AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <mpfr.h>]], [[mpfr_t bar; mpfr_init(bar); + char * buf = NULL; + mpfr_asprintf(&buf, "%Rf", bar); mpfr_clear(bar);]])],[libmpfr_avail_cv_=true],[libmpfr_avail_cv_=false]) AC_LANG_POP LIBS=$libmpfr_save_libs]) @@ -131,7 +133,7 @@ AC_CACHE_CHECK( if [test x$libmpfr_avail_cv_ = xtrue ]; then LIBS="-lmpfr $LIBS" else - AC_MSG_FAILURE("Could not find mpfr library (set CPPFLAGS and LDFLAGS?)") + AC_MSG_FAILURE("Could not find mpfr library 2.4.0 or higher (set CPPFLAGS and LDFLAGS?)") fi # check for boost_regex |