diff options
Diffstat (limited to 'gdb/configure.in')
| -rw-r--r-- | gdb/configure.in | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/gdb/configure.in b/gdb/configure.in index 98dd37a608c..032510066e9 100644 --- a/gdb/configure.in +++ b/gdb/configure.in @@ -62,6 +62,36 @@ if test $gdb_cv_have_fpregset_t = yes; then AC_DEFINE(HAVE_FPREGSET_T) fi +dnl See if compiler supports "long long" type. + +AC_MSG_CHECKING(for long long support in compiler) +AC_CACHE_VAL(gdb_cv_c_long_long, +[AC_TRY_COMPILE(, [long long foo;], +gdb_cv_c_long_long=yes, gdb_cv_c_long_long=no)]) +AC_MSG_RESULT($gdb_cv_c_long_long) +if test $gdb_cv_c_long_long = yes; then + AC_DEFINE(CC_HAS_LONG_LONG) +fi + +dnl See if the compiler and runtime support printing long long + +AC_MSG_CHECKING(for long long support in printf) +AC_CACHE_VAL(gdb_cv_printf_has_long_long, +[AC_TRY_RUN([ +int main () { + char buf[16]; + long long l = 0x12345; + sprintf (buf, "%llx", l); + return (strcmp ("12345", buf)); +}], +gdb_cv_printf_has_long_long=yes, +gdb_cv_printf_has_long_long=no, +gdb_cv_printf_has_long_long=no)]) +if test $gdb_cv_printf_has_long_long = yes; then + AC_DEFINE(PRINTF_HAS_LONG_LONG) +fi +AC_MSG_RESULT($gdb_cv_printf_has_long_long) + dnl See if compiler supports "long double" type. Can't use AC_C_LONG_DOUBLE dnl because autoconf complains about cross-compilation issues. However, this dnl code uses the same variables as the macro for compatibility. |