Rollup merge of rust-lang#63179 - BaoshanPang:testcases, r=alexcrichton

update test cases for vxWorks

issue-2214.rs: lgamma is lgamma on vxWorks
ignore process-envs.rs and process-remove-from-env.rs as there is no 'env' on vxWorks

Author: pietroalbini

src/test/ui/issues/issue-2214.rs

@@ -25,12 +25,15 @@ mod m {
 
     #[link_name = "m"]
     extern {
-        #[cfg(any(unix, target_os = "cloudabi"))]
+        #[cfg(any(all(unix, not(target_os = "vxworks")), target_os = "cloudabi"))]
         #[link_name="lgamma_r"]
         pub fn lgamma(n: c_double, sign: &mut c_int) -> c_double;
         #[cfg(windows)]
         #[link_name="lgamma"]
         pub fn lgamma(n: c_double, sign: &mut c_int) -> c_double;
+        #[cfg(target_os = "vxworks")]
+        #[link_name="lgamma"]
+        pub fn lgamma(n: c_double, sign: &mut c_int) -> c_double;
     }
 }
 

src/test/ui/process/process-envs.rs

@@ -2,6 +2,7 @@
 // ignore-cloudabi no processes
 // ignore-emscripten no processes
 // ignore-sgx no processes
+// ignore-vxworks no 'env'
 
 use std::process::Command;
 use std::env;

src/test/ui/process/process-remove-from-env.rs

@@ -2,6 +2,7 @@
 // ignore-cloudabi no processes
 // ignore-emscripten no processes
 // ignore-sgx no processes
+// ignore-vxworks no 'env'
 
 use std::process::Command;
 use std::env;