Remove conditionally unused libc imports

Author: aldanor

libhdf5-sys/src/h5.rs

@@ -1,7 +1,7 @@
 pub use self::H5_iter_order_t::*;
 pub use self::H5_index_t::*;
 
-use libc::{c_int, c_uint, c_void, c_ulonglong, c_longlong, uint64_t, size_t};
+use libc::{c_int, c_uint, c_ulonglong, c_longlong, uint64_t};
 
 pub type herr_t   = c_int;
 pub type hbool_t  = c_uint;
@@ -60,11 +60,17 @@ extern {
     pub fn H5check_version(majnum: c_uint, minnum: c_uint, relnum: c_uint) -> herr_t;
 }
 
+#[cfg(hdf5_1_8_13)]
+use libc::c_void;
+
 #[cfg(hdf5_1_8_13)]
 extern {
     pub fn H5free_memory(mem: *mut c_void) -> herr_t;
 }
 
+#[cfg(hdf5_1_8_15)]
+use libc::size_t;
+
 #[cfg(hdf5_1_8_15)]
 extern {
     pub fn H5allocate_memory(size: size_t, clear: hbool_t) -> *mut c_void;

libhdf5-sys/src/h5o.rs

@@ -3,7 +3,7 @@ pub use self::H5O_mcdt_search_ret_t::*;
 
 use libc::{c_uint, c_void, c_char, c_ulong, size_t, ssize_t, uint32_t, uint64_t, time_t};
 
-use h5::{herr_t, hsize_t, haddr_t, htri_t, H5_index_t, H5_iter_order_t, H5_ih_info_t};
+use h5::{herr_t, hsize_t, haddr_t, H5_index_t, H5_iter_order_t, H5_ih_info_t};
 use h5i::hid_t;
 
 pub const H5O_COPY_SHALLOW_HIERARCHY_FLAG:     c_uint = 0x0001;
@@ -172,6 +172,9 @@ extern {
     pub fn H5Oclose(object_id: hid_t) -> herr_t;
 }
 
+#[cfg(hdf5_1_8_5)]
+use h5::htri_t;
+
 #[cfg(hdf5_1_8_5)]
 extern {
     pub fn H5Oexists_by_name(loc_id: hid_t, name: *const c_char, lapl_id: hid_t) -> htri_t;