# On reasonable systems, we can use realpath here, but OSX is a diva with 20-year-old software.
ORIG_PWD="$(pwd)"
-cd "$1/lightning"
+cd "$1"
LIGHTNING_PATH="$(pwd)"
cd "$ORIG_PWD"
rm -rf lightning-c-bindings/src
-mkdir -p lightning-c-bindings/src/c_types/
+mkdir -p lightning-c-bindings/src/{c_types,lightning}
mv ./mod.rs lightning-c-bindings/src/c_types/
mv ./bitcoin lightning-c-bindings/src/
OUT_CPP="$(pwd)/lightning-c-bindings/include/lightningpp.hpp"
BIN="$(pwd)/c-bindings-gen/target/release/c-bindings-gen"
-pushd "$LIGHTNING_PATH"
-RUSTC_BOOTSTRAP=1 cargo rustc $FEATURES_ARGS --profile=check -- -Zunstable-options --pretty=expanded |
- RUST_BACKTRACE=1 "$BIN" "$OUT/" lightning "$OUT_TEMPL" "$OUT_F" "$OUT_CPP"
+pushd "$LIGHTNING_PATH/lightning"
+RUSTC_BOOTSTRAP=1 cargo rustc $FEATURES_ARGS --profile=check -- -Zunstable-options --pretty=expanded > /tmp/lightning-crate-source.txt
popd
HOST_PLATFORM="$(rustc --version --verbose | grep "host:")"
if [ "$HOST_PLATFORM" = "host: x86_64-apple-darwin" ]; then
# OSX sed is for some reason not compatible with GNU sed
- sed -i '' 's|lightning = { .*|lightning = { path = "'"$LIGHTNING_PATH"'", features = ['"$FEATURES"'] }|' lightning-c-bindings/Cargo.toml
+ sed -E -i '' 's/#!\[crate_name = "(.*)"\]/pub mod \1 {/' /tmp/lightning-crate-source.txt
else
- sed -i 's|lightning = { .*|lightning = { path = "'"$LIGHTNING_PATH"'", features = ['"$FEATURES"'] }|' lightning-c-bindings/Cargo.toml
+ sed -E -i 's/#!\[crate_name = "(.*)"\]/pub mod \1 {/' /tmp/lightning-crate-source.txt
+fi
+echo "}" >> /tmp/lightning-crate-source.txt
+
+if [ "$2" = "true" ]; then
+ pushd "$LIGHTNING_PATH/lightning-persister"
+ RUSTC_BOOTSTRAP=1 cargo rustc --profile=check -- -Zunstable-options --pretty=expanded > /tmp/lightning-persist-crate-source.txt
+ popd
+ if [ "$HOST_PLATFORM" = "host: x86_64-apple-darwin" ]; then
+ sed -i".original" '1i\
+pub mod lightning_persister {
+' /tmp/lightning-persist-crate-source.txt
+ else
+ sed -i '1ipub mod lightning_persister {\n' /tmp/lightning-persist-crate-source.txt
+ fi
+ echo "}" >> /tmp/lightning-persist-crate-source.txt
+ cat /tmp/lightning-persist-crate-source.txt >> /tmp/lightning-crate-source.txt
+ rm /tmp/lightning-persist-crate-source.txt
+fi
+
+cat /tmp/lightning-crate-source.txt | RUST_BACKTRACE=1 "$BIN" "$OUT/" "$OUT_TEMPL" "$OUT_F" "$OUT_CPP"
+
+if [ "$HOST_PLATFORM" = "host: x86_64-apple-darwin" ]; then
+ # OSX sed is for some reason not compatible with GNU sed
+ sed -i '' 's|lightning = { .*|lightning = { path = "'"$LIGHTNING_PATH/lightning"'", features = ['"$FEATURES"'] }|' lightning-c-bindings/Cargo.toml
+ sed -E -i '' 's|lightning-(.*) = \{ .*|lightning-\1 = \{ path = "'"$LIGHTNING_PATH"'/lightning-\1" }|' lightning-c-bindings/Cargo.toml
+else
+ sed -i 's|lightning = { .*|lightning = { path = "'"$LIGHTNING_PATH/lightning"'", features = ['"$FEATURES"'] }|' lightning-c-bindings/Cargo.toml
+ sed -E -i 's|lightning-(.*) = \{ .*|lightning-\1 = \{ path = "'"$LIGHTNING_PATH"'/lightning-\1" }|' lightning-c-bindings/Cargo.toml
fi
# Set path to include our rustc wrapper as well as cbindgen
export CFLAGS_wasm32_wasi="-target wasm32"
fi
-if [ "$(rustc --print target-list | grep wasm32-wasi)" != "" ]; then
+if [ "$2" = "false" -a "$(rustc --print target-list | grep wasm32-wasi)" != "" ]; then
# Test to see if clang supports wasm32 as a target (which is needed to build rust-secp256k1)
echo "int main() {}" > genbindings_wasm_test_file.c
clang -nostdlib -o /dev/null --target=wasm32-wasi -Wl,--no-entry genbindings_wasm_test_file.c > /dev/null 2>&1 &&
# or Ubuntu packages). This should work fine on Distros which do more involved
# packaging than simply shipping the rustup binaries (eg Debian should Just Work
# here).
- export CFLAGS="$CFLAGS -flto"
+ # The cc-rs crate tries to force -fdata-sections and -ffunction-sections on, which
+ # breaks -fembed-bitcode, so we turn off cc-rs' default flags and specify exactly
+ # what we want here.
+ export CFLAGS="$CFLAGS -O3 -fPIC -fembed-bitcode"
+ export CRATE_CC_NO_DEFAULTS=true
# Rust doesn't recognize CFLAGS changes, so we need to clean build artifacts
cargo clean --release
CARGO_PROFILE_RELEASE_LTO=true cargo rustc -v --release -- -C linker-plugin-lto -C lto -C link-arg=-fuse-ld=lld