diff options
| -rw-r--r-- | configure.ac | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/configure.ac b/configure.ac index 0f0a755..5471ad3 100644 --- a/configure.ac +++ b/configure.ac @@ -71,7 +71,24 @@ case ${host_os} in *mingw32*|*cygwin*) AC_MSG_RESULT([${host_os}]) win32=true - AC_DEFINE(WINVER, 0x0501, [minimum Windows version]) + AC_ARG_WITH([winver], + [AS_HELP_STRING([--with-winver], [Set the minimum windows version])], + [ + AS_CASE([${withval}], + [0x[[0-9A-Fa-f]]|0x[[0-9A-Fa-f]]*[[0-9A-Fa-f]]], [VAL=${withval}], + ['' | *[[!0123456789]]*], [VAL=""], + [[[!0]]*], [VAL=${withval}], + [VAL=""] + ) + AS_IF([test "x$VAL" != "x"], [ + AC_DEFINE_UNQUOTED(WINVER, ${VAL}, [minimum Windows version]) + AC_DEFINE_UNQUOTED(_WIN32_WINNT, ${VAL}, [minimum Windows version]) + ], [ + AC_MSG_ERROR([--with-winver expects a hexadecimal value like 0x0600, or a decimal, and must not be 0]) + ]) + ], + [] + ) ;; darwin*) AC_MSG_RESULT([${host_os}]) |