diff options
Diffstat (limited to 'tclap-1.2.1/config/ac_cxx_have_long_long.m4')
| -rw-r--r-- | tclap-1.2.1/config/ac_cxx_have_long_long.m4 | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/tclap-1.2.1/config/ac_cxx_have_long_long.m4 b/tclap-1.2.1/config/ac_cxx_have_long_long.m4 new file mode 100644 index 0000000..d0dd85c --- /dev/null +++ b/tclap-1.2.1/config/ac_cxx_have_long_long.m4 @@ -0,0 +1,19 @@ +dnl @synopsis AC_CXX_HAVE_LONG_LONG +dnl +dnl If the C++ implementation have a long long type +dnl +AC_DEFUN([AC_CXX_HAVE_LONG_LONG], +[AC_LANG_SAVE + AC_LANG_CPLUSPLUS + AC_TRY_COMPILE([],[long long x = 1; return 0;], + ac_cv_cxx_have_long_long=yes, ac_cv_cxx_have_long_long=no) + +if test "$ac_cv_cxx_have_long_long" = yes; then + AC_DEFINE(HAVE_LONG_LONG, 1, + [define if the C++ implementation have long long]) +else + AC_DEFINE(HAVE_LONG_LONG, 0, + [define if the C++ implementation have long long]) +fi +AC_LANG_RESTORE +]) |