fix build.rs errors on win7 targets

1 files changed, 4 insertions, 2 deletions

diff --git a/build.rs b/build.rs
index 57f72b7..2557120 100644
--- a/build.rs
+++ b/build.rs
@@ -80,7 +80,8 @@ fn is_big_endian() -> bool {
 // disabled by old compilers.)
 fn is_windows_msvc() -> bool {
     // Some targets are only two components long, so check in steps.
-    target_components()[1] == "pc"
+    let second_component = &target_components()[1];
+    (second_component == "pc" || second_component == "win7")
         && target_components()[2] == "windows"
         && target_components()[3] == "msvc"
 }
@@ -91,7 +92,8 @@ fn is_windows_msvc() -> bool {
 // ends with `-gnullvm`.
 fn is_windows_gnu() -> bool {
     // Some targets are only two components long, so check in steps.
-    target_components()[1] == "pc"
+    let second_component = &target_components()[1];
+    (second_component == "pc" || second_component == "win7")
         && target_components()[2] == "windows"
         && target_components()[3] != "msvc"
 }