From: Matt Corallo <git@bluematt.me>
Date: Thu, 1 Feb 2024 19:28:31 +0000 (+0000)
Subject: Enable X-lang LTO for Windows x86-64 builds (or any extra build)
X-Git-Tag: v0.0.121.2~1^2
X-Git-Url: http://git.bitcoin.ninja/index.cgi?p=ldk-c-bindings;a=commitdiff_plain;h=7c58eb84a8606660998a63e98c279f4e92512cf0

Enable X-lang LTO for Windows x86-64 builds (or any extra build)
---

diff --git a/deterministic-build-wrappers/clang-x86_64-windows b/deterministic-build-wrappers/clang-x86_64-windows
index 31bb028..6c925dd 100755
--- a/deterministic-build-wrappers/clang-x86_64-windows
+++ b/deterministic-build-wrappers/clang-x86_64-windows
@@ -1,2 +1,2 @@
 #!/bin/bash
-clang -target x86_64-pc-windows-gnu -L/usr/lib/gcc/x86_64-w64-mingw32/12-win32/ "$@"
+clang -fembed-bitcode -fuse-ld=lld -target x86_64-pc-windows-gnu "$@"
diff --git a/genbindings.sh b/genbindings.sh
index dd76e30..6007f72 100755
--- a/genbindings.sh
+++ b/genbindings.sh
@@ -552,6 +552,7 @@ fi
 
 EXTRA_TARGETS=( $LDK_C_BINDINGS_EXTRA_TARGETS )
 EXTRA_CCS=( $LDK_C_BINDINGS_EXTRA_TARGET_CCS )
+EXTRA_LINK_LTO=( $LDK_C_BINDINGS_EXTRA_TARGET_LINK_LTO )
 
 if [ ${#EXTRA_TARGETS[@]} != ${#EXTRA_CCS[@]} ]; then
 	echo "LDK_C_BINDINGS_EXTRA_TARGETS and LDK_C_BINDINGS_EXTRA_TARGET_CCS didn't have the same number of elements!"
@@ -569,6 +570,7 @@ for IDX in ${!EXTRA_TARGETS[@]}; do
 			EXTRA_RUSTFLAGS="-C target-cpu=sandybridge"
 			;;
 	esac
+	[ "${EXTRA_LINK_LTO[$IDX]}" != "" ] && EXTRA_RUSTFLAGS="-C linker-plugin-lto"
 	RUSTFLAGS="$BASE_RUSTFLAGS -C embed-bitcode=yes -C lto -C linker=${EXTRA_CCS[$IDX]} $EXTRA_RUSTFLAGS" CARGO_PROFILE_RELEASE_LTO=true cargo build $CARGO_BUILD_ARGS -v --release --target "${EXTRA_TARGETS[$IDX]}"
 done