Fix support for fips-link-precompiled

This feature expects a recent boringssl checkout (such as the one
found in boring-sys/deps/boringssl), so it should not be using
the same bindings as the fips feature, which are based on
boring-sys/deps/boringssl-fips, which is older and with a different
API.

boring/src/bio.rs

@@ -19,9 +19,9 @@ impl<'a> Drop for MemBioSlice<'a> {
 
 impl<'a> MemBioSlice<'a> {
     pub fn new(buf: &'a [u8]) -> Result<MemBioSlice<'a>, ErrorStack> {
-        #[cfg(not(any(feature = "fips", feature = "fips-link-precompiled")))]
+        #[cfg(not(feature = "fips"))]
         type BufLen = isize;
-        #[cfg(any(feature = "fips", feature = "fips-link-precompiled"))]
+        #[cfg(feature = "fips")]
         type BufLen = libc::c_int;
 
         ffi::init();

boring/src/ssl/mod.rs

@@ -688,7 +688,7 @@ impl SslCurve {
 
     pub const X25519: SslCurve = SslCurve(ffi::NID_X25519);
 
-    #[cfg(not(any(feature = "fips", feature = "fips-link-precompiled")))]
+    #[cfg(not(feature = "fips"))]
     pub const X25519_KYBER768_DRAFT00: SslCurve = SslCurve(ffi::NID_X25519Kyber768Draft00);
 
     #[cfg(feature = "pq-experimental")]
@@ -1402,10 +1402,7 @@ impl SslContextBuilder {
     /// [`SSL_CTX_set_alpn_protos`]: https://www.openssl.org/docs/man1.1.0/ssl/SSL_CTX_set_alpn_protos.html
     pub fn set_alpn_protos(&mut self, protocols: &[u8]) -> Result<(), ErrorStack> {
         unsafe {
-            #[cfg_attr(
-                not(any(feature = "fips", feature = "fips-link-precompiled")),
-                allow(clippy::unnecessary_cast)
-            )]
+            #[cfg_attr(not(feature = "fips"), allow(clippy::unnecessary_cast))]
             {
                 assert!(protocols.len() <= ProtosLen::max_value() as usize);
             }
@@ -2121,9 +2118,9 @@ impl SslContextRef {
 #[derive(Debug)]
 pub struct GetSessionPendingError;
 
-#[cfg(not(any(feature = "fips", feature = "fips-link-precompiled")))]
+#[cfg(not(feature = "fips"))]
 type ProtosLen = usize;
-#[cfg(any(feature = "fips", feature = "fips-link-precompiled"))]
+#[cfg(feature = "fips")]
 type ProtosLen = libc::c_uint;
 
 /// Information about the state of a cipher.
@@ -2814,10 +2811,7 @@ impl SslRef {
     /// [`SSL_set_alpn_protos`]: https://www.openssl.org/docs/man1.1.0/ssl/SSL_set_alpn_protos.html
     pub fn set_alpn_protos(&mut self, protocols: &[u8]) -> Result<(), ErrorStack> {
         unsafe {
-            #[cfg_attr(
-                not(any(feature = "fips", feature = "fips-link-precompiled")),
-                allow(clippy::unnecessary_cast)
-            )]
+            #[cfg_attr(not(feature = "fips"), allow(clippy::unnecessary_cast))]
             {
                 assert!(protocols.len() <= ProtosLen::max_value() as usize);
             }

boring/src/x509/mod.rs

@@ -982,9 +982,9 @@ impl X509NameBuilder {
     }
 }
 
-#[cfg(not(any(feature = "fips", feature = "fips-link-precompiled")))]
+#[cfg(not(feature = "fips"))]
 type ValueLen = isize;
-#[cfg(any(feature = "fips", feature = "fips-link-precompiled"))]
+#[cfg(feature = "fips")]
 type ValueLen = i32;
 
 foreign_type_and_impl_send_sync! {