X-Git-Url: http://git.bitcoin.ninja/index.cgi?p=ldk-c-bindings;a=blobdiff_plain;f=genbindings.sh;h=e0ff6b3f060af4259a92c2545f6ced32d1a6b4d9;hp=0d03950f106dcff10f9f1d8ffcb889e0dd4d07c0;hb=1926a7a71ae0f37ebd6562996769334e0af0cf1b;hpb=b25e291110094bb9b59bc05f3f233c1b5d37b6e6

diff --git a/genbindings.sh b/genbindings.sh
index 0d03950..e0ff6b3 100755
--- a/genbindings.sh
+++ b/genbindings.sh
@@ -9,14 +9,9 @@ if [ ! -d "$1/lightning" -o "$2" != "true" -a "$2" != "false" ]; then
 	exit 1
 fi
 
-if [ "$2" = "true" ]; then
-	FEATURES_ARGS='--features=allow_wallclock_use'
-	FEATURES='"allow_wallclock_use"'
-fi
-
 # On reasonable systems, we can use realpath here, but OSX is a diva with 20-year-old software.
 ORIG_PWD="$(pwd)"
-cd "$1/lightning"
+cd "$1"
 LIGHTNING_PATH="$(pwd)"
 cd "$ORIG_PWD"
 
@@ -32,7 +27,7 @@ mv lightning-c-bindings/src/bitcoin ./
 
 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/
 
@@ -43,26 +38,65 @@ OUT_F="$(pwd)/lightning-c-bindings/include/rust_types.h"
 OUT_CPP="$(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"
-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
+
+function add_crate() {
+	pushd "$LIGHTNING_PATH/$1"
+	RUSTC_BOOTSTRAP=1 cargo rustc --profile=check $3 -- -Zunstable-options --pretty=expanded > /tmp/$1-crate-source.txt
+	popd
+	if [ "$HOST_PLATFORM" = "host: x86_64-apple-darwin" ]; then
+		sed -i".original" "1i\\
+pub mod $2 {
+" /tmp/$1-crate-source.txt
+	else
+		sed -i "1ipub mod $2 {\n" /tmp/$1-crate-source.txt
+	fi
+	echo "}" >> /tmp/$1-crate-source.txt
+	cat /tmp/$1-crate-source.txt >> /tmp/crate-source.txt
+	rm /tmp/$1-crate-source.txt
+	if [ "$HOST_PLATFORM" = "host: x86_64-apple-darwin" ]; then
+		# OSX sed is for some reason not compatible with GNU sed
+		sed -E -i '' 's|#?'$1' = \{ .*|'$1' = \{ path = "'"$LIGHTNING_PATH"'/'$1'" '"$4"' }|' lightning-c-bindings/Cargo.toml
+	else
+		sed -E -i 's|#?'$1' = \{ .*|'$1' = \{ path = "'"$LIGHTNING_PATH"'/'$1'" '"$4"' }|' lightning-c-bindings/Cargo.toml
+	fi
+}
+
+function drop_crate() {
+	if [ "$HOST_PLATFORM" = "host: x86_64-apple-darwin" ]; then
+		# OSX sed is for some reason not compatible with GNU sed
+		sed -E -i '' 's|'$1' = \{ (.*)|#'$1' = \{ \1|' lightning-c-bindings/Cargo.toml
+	else
+		sed -E -i 's|'$1' = \{ (.*)|#'$1' = \{ \1|' lightning-c-bindings/Cargo.toml
+	fi
+}
+
+echo > /tmp/crate-source.txt
+if [ "$2" = "true" ]; then
+	add_crate lightning lightning --features=allow_wallclock_use ', features = ["allow_wallclock_use"]'
+	add_crate "lightning-persister" "lightning_persister"
 else
-	sed -i 's|lightning = { .*|lightning = { path = "'"$LIGHTNING_PATH"'", features = ['"$FEATURES"'] }|' lightning-c-bindings/Cargo.toml
+	add_crate lightning lightning
+	drop_crate "lightning-persister"
 fi
+add_crate "lightning-invoice" "lightning_invoice"
+
+cat /tmp/crate-source.txt | RUST_BACKTRACE=1 "$BIN" "$OUT/" "$OUT_TEMPL" "$OUT_F" "$OUT_CPP"
 
 # Set path to include our rustc wrapper as well as cbindgen
 PATH="$(pwd)/deterministic-build-wrappers:$PATH:~/.cargo/bin"
 # Now cd to lightning-c-bindings, build the generated bindings, and call cbindgen to build a C header file
 cd lightning-c-bindings
+
 # Remap paths so that our builds are deterministic
 export RUSTFLAGS="--remap-path-prefix $LIGHTNING_PATH=rust-lightning --remap-path-prefix $(pwd)=ldk-c-bindings --remap-path-prefix $HOME/.cargo= -C target-cpu=generic"
+
+# If the C compiler supports it, also set -ffile-prefix-map
+echo "int main() {}" > genbindings_path_map_test_file.c
+clang -o /dev/null -ffile-prefix-map=$HOME/.cargo= genbindings_path_map_test_file.c > /dev/null 2>&1 &&
+# Now that we've done our last non-LTO build, turn on LTO in CFLAGS as well
 export CFLAGS="-ffile-prefix-map=$HOME/.cargo="
+rm genbindings_path_map_test_file.c
 
 cargo build
 cbindgen -v --config cbindgen.toml -o include/lightning.h >/dev/null 2>&1
@@ -220,7 +254,7 @@ if [ "$HOST_PLATFORM" != "host: x86_64-apple-darwin" -a "$CLANGPP" != "" ]; then
 	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 &&
@@ -244,7 +278,11 @@ if [ "$HOST_PLATFORM" != "host: x86_64-apple-darwin" -a "$CLANGPP" != "" ]; then
 	# 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