diff options
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac index 6272871f..c3ab96f3 100644 --- a/configure.ac +++ b/configure.ac @@ -350,6 +350,15 @@ if test "$ac_cv_sizeof_unsigned_short" = "0" \ AC_MSG_WARN([Hmmm, something is wrong with the sizes - using defaults]); fi +# Ensure that we have UINT64_C before we bother to check for uint64_t +AC_CACHE_CHECK([for UINT64_C],[gnupg_cv_uint64_c_works], + AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <inttypes.h>]], + [[uint64_t foo=UINT64_C(42);]])], + gnupg_cv_uint64_c_works=yes,gnupg_cv_uint64_c_works=no)) +if test "$gnupg_cv_uint64_c_works" = "yes" ; then + AC_CHECK_SIZEOF(uint64_t) +fi + # Do we have any 64-bit data types? if test "$ac_cv_sizeof_unsigned_int" != "8" \ && test "$ac_cv_sizeof_unsigned_long" != "8" \ |