A patch for rust-1.77 in FreeBSD ports

rust-llvm_port.patch

You can find a base patch at https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=274743
Adjustment for rust-1.77 is based on https://issues.guix.gnu.org/69981

diff --git a/lang/rust/Makefile b/lang/rust/Makefile
index d7568c882d81..5cf93ef01275 100644
--- a/lang/rust/Makefile
+++ b/lang/rust/Makefile
@@ -22,19 +22,28 @@ LICENSE_COMB=	dual
 LICENSE_FILE_APACHE20=	${WRKSRC}/LICENSE-APACHE
 LICENSE_FILE_MIT=	${WRKSRC}/LICENSE-MIT
 
+EXTRACT_AFTER_ARGS=	--exclude libssh2 --exclude libgit2	\
+			--exclude nghttp2 --exclude curl-sys/curl	\
+			--exclude include/curl --exclude "curl-sys-*/curl" \
+			--exclude openssl-src/openssl	\
+			--exclude "libz-sys/src/libz*"
+
 ONLY_FOR_ARCHS?=	aarch64 amd64 armv7 i386 powerpc64 powerpc64le powerpc \
 			riscv64
 ONLY_FOR_ARCHS_REASON?=	requires prebuilt bootstrap compiler
 
 BUILD_DEPENDS=	cmake:devel/cmake-core
-LIB_DEPENDS=	libcurl.so:ftp/curl
+LIB_DEPENDS=	libcurl.so:ftp/curl	\
+		libgit2.so:devel/libgit2	\
+		libssh2.so:security/libssh2
 
-USES=		cpe ninja:build pkgconfig python:build ssl tar:xz
+USES=		cpe localbase ninja:build pkgconfig python:build ssl tar:xz
 
 CPE_VENDOR=	rust-lang
 
 MAKE_ENV=	DESTDIR=${STAGEDIR} \
-		LIBGIT2_NO_PKG_CONFIG=1 \
+		LIBSSH2_SYS_USE_PKG_CONFIG=yes	\
+		LIBGIT2_NO_VENDOR=1 \
 		OPENSSL_DIR="${OPENSSLBASE}"
 TEST_ENV=	${MAKE_ENV} \
 		ALLOW_NONZERO_RLIMIT_CORE=1
@@ -99,9 +108,14 @@ _COMPONENTS+=		cargo-${_PACKAGE_VERS}-${_RUST_TARGET} \
 IGNORE=		is only for FreeBSD
 .endif
 
+.if ${PORT_OPTIONS:MPORT_LLVM}
+# We still must have llvm-project/libunwind at this time:
+EXTRACT_AFTER_ARGS+=	--exclude llvm-project/ll* --exclude llvm-project/c* --exclude llvm-project/r*
+.endif
+
 .if ${ARCH} == powerpc
 LIB_DEPENDS+=	libatomic.so:lang/gcc${GCC_DEFAULT}
-MAKE_ENV+=	RUSTFLAGS="-L/usr/local/lib/gcc${GCC_DEFAULT}"
+MAKE_ENV+=	RUSTFLAGS="-L${LOCALBASE}/lib/gcc${GCC_DEFAULT}"
 .else
 MAKE_ENV+=	RUST_BACKTRACE=1
 .endif
@@ -156,6 +170,11 @@ do-configure:
 .endfor
 	@${ECHO_CMD} 'changelog-seen=2' > ${WRKSRC}/config.toml
 	@${ECHO_CMD} '[build]' >> ${WRKSRC}/config.toml
+.if ${PORT_OPTIONS:MPORT_LLVM}
+# Without llvm-project/compiler-rt, need to set this flag to false
+# see https://issues.guix.gnu.org/69981
+	@${ECHO_CMD} 'optimized-compiler-builtins=false' >> ${WRKSRC}/config.toml
+.endif
 	@${ECHO_CMD} 'build-dir="${WRKDIR}/_build"' >> ${WRKSRC}/config.toml
 	@${ECHO_CMD} 'build-stage=2' >> ${WRKSRC}/config.toml
 	@${ECHO_CMD} 'doc-stage=2' >> ${WRKSRC}/config.toml
diff --git a/lang/rust/files/patch-sys-nghttp2 b/lang/rust/files/patch-sys-nghttp2
new file mode 100644
index 000000000000..c136da6c7007
--- /dev/null
+++ b/lang/rust/files/patch-sys-nghttp2
@@ -0,0 +1,8 @@
+--- vendor/libnghttp2-sys/build.rs	2023-12-04 16:32:19.000000000 -0500
++++ vendor/libnghttp2-sys/build.rs	2023-12-12 15:18:42.431611000 -0500
+@@ -6,4 +6,5 @@
+ 
+ fn main() {
++    return;
+     let target = env::var("TARGET").unwrap();
+     let out_dir = PathBuf::from(env::var_os("OUT_DIR").unwrap());