From: Matt Corallo <git@bluematt.me>
Date: Mon, 12 Jul 2021 18:46:31 +0000 (+0000)
Subject: Add extra targets env variable to build for extra targets (eg Android)
X-Git-Tag: v0.0.99.2^2~2
X-Git-Url: http://git.bitcoin.ninja/index.cgi?p=ldk-c-bindings;a=commitdiff_plain;h=eabf50d6e1f7012528c61a975a015ff9902f0950

Add extra targets env variable to build for extra targets (eg Android)
---

diff --git a/genbindings.sh b/genbindings.sh
index 43ae175..cd100f6 100755
--- a/genbindings.sh
+++ b/genbindings.sh
@@ -25,7 +25,8 @@ HOST_PLATFORM="$(rustc --version --verbose | grep "host:")"
 
 # Set path to include our rustc wrapper as well as cbindgen
 export LDK_RUSTC_PATH="$(which rustc)"
-PATH="$(pwd)/deterministic-build-wrappers:$PATH:~/.cargo/bin"
+export RUSTC="$(pwd)/deterministic-build-wrappers/rustc"
+PATH="$PATH:~/.cargo/bin"
 
 # Set up CFLAGS and RUSTFLAGS vars appropriately for building libsecp256k1 and demo apps...
 BASE_CFLAGS="" # CFLAGS for libsecp256k1
@@ -396,6 +397,21 @@ if [ "$2" = "false" -a "$(rustc --print target-list | grep wasm32-wasi)" != "" ]
 	rm genbindings_wasm_test_file.c
 fi
 
+EXTRA_TARGETS=( $LDK_C_BINDINGS_EXTRA_TARGETS )
+EXTRA_CCS=( $LDK_C_BINDINGS_EXTRA_TARGET_CCS )
+
+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!"
+	exit 1
+fi
+
+for IDX in ${!EXTRA_TARGETS[@]}; do
+	EXTRA_ENV_TARGET=$(echo "${EXTRA_TARGETS[$IDX]}" | sed 's/-/_/g')
+	export CFLAGS_$EXTRA_ENV_TARGET="$BASE_CFLAGS"
+	export CC_$EXTRA_ENV_TARGET=${EXTRA_CCS[$IDX]}
+	RUSTFLAGS="$BASE_RUSTFLAGS -C linker=${EXTRA_CCS[$IDX]}" CARGO_PROFILE_RELEASE_LTO=true cargo rustc -v --release --target "${EXTRA_TARGETS[$IDX]}" -- -C lto
+done
+
 if [ "$CFLAGS_aarch64_apple_darwin" != "" ]; then
 	RUSTFLAGS="$BASE_RUSTFLAGS -C target-cpu=apple-a14" CARGO_PROFILE_RELEASE_LTO=true cargo rustc -v --release --target aarch64-apple-darwin -- -C lto
 fi