exit 1
fi
-if [ "$2" = "true" ]; then
- FEATURES_ARGS='--features=allow_wallclock_use'
- FEATURES='"allow_wallclock_use"'
-fi
+export LC_ALL=C
# On reasonable systems, we can use realpath here, but OSX is a diva with 20-year-old software.
ORIG_PWD="$(pwd)"
-cd "$1/lightning"
+cd "$1"
LIGHTNING_PATH="$(pwd)"
+LIGHTNING_GIT="$(git describe --tag --dirty --abbrev=16)"
cd "$ORIG_PWD"
# Generate (and reasonably test) C bindings
mv lightning-c-bindings/src/c_types/mod.rs ./
mv lightning-c-bindings/src/bitcoin ./
+# Before we try to sed the Cargo.toml, generate version define tags
+# (ignoring any files that we're about to generate)
+
+git checkout lightning-c-bindings/src
+git checkout lightning-c-bindings/include
+BINDINGS_GIT="$(git describe --tag --dirty --abbrev=16)"
+echo -e "#ifndef _LDK_HEADER_VER" > lightning-c-bindings/include/ldk_ver.h
+echo -e "static inline int _ldk_strncmp(const char *s1, const char *s2, uint64_t n) {" >> lightning-c-bindings/include/ldk_ver.h
+echo -e "\tif (n && *s1 != *s2) return 1;" >> lightning-c-bindings/include/ldk_ver.h
+echo -e "\twhile (n && *s1 != 0 && *s2 != 0) {" >> lightning-c-bindings/include/ldk_ver.h
+echo -e "\t\ts1++; s2++; n--;" >> lightning-c-bindings/include/ldk_ver.h
+echo -e "\t\tif (n && *s1 != *s2) return 1;" >> lightning-c-bindings/include/ldk_ver.h
+echo -e "\t}" >> lightning-c-bindings/include/ldk_ver.h
+echo -e "\treturn 0;" >> lightning-c-bindings/include/ldk_ver.h
+echo -e "}" >> lightning-c-bindings/include/ldk_ver.h
+echo -e "" >> lightning-c-bindings/include/ldk_ver.h
+echo -e "#define _LDK_HEADER_VER \"$LIGHTNING_GIT\"" >> lightning-c-bindings/include/ldk_ver.h
+echo -e "#define _LDK_C_BINDINGS_HEADER_VER \"$BINDINGS_GIT\"" >> lightning-c-bindings/include/ldk_ver.h
+echo -e "static inline const char* check_get_ldk_version() {" >> lightning-c-bindings/include/ldk_ver.h
+echo -e "\tLDKStr bin_ver = _ldk_get_compiled_version();" >> lightning-c-bindings/include/ldk_ver.h
+echo -e "\tif (_ldk_strncmp(_LDK_HEADER_VER, (const char*)bin_ver.chars, bin_ver.len) != 0) {" >> lightning-c-bindings/include/ldk_ver.h
+echo -e "\t// Version mismatch, we don't know what we're running!" >> lightning-c-bindings/include/ldk_ver.h
+echo -e "\t\treturn 0;" >> lightning-c-bindings/include/ldk_ver.h
+echo -e "\t}" >> lightning-c-bindings/include/ldk_ver.h
+echo -e "\treturn _LDK_HEADER_VER;" >> lightning-c-bindings/include/ldk_ver.h
+echo -e "}" >> lightning-c-bindings/include/ldk_ver.h
+echo -e "static inline const char* check_get_ldk_bindings_version() {" >> lightning-c-bindings/include/ldk_ver.h
+echo -e "\tLDKStr bin_ver = _ldk_c_bindings_get_compiled_version();" >> lightning-c-bindings/include/ldk_ver.h
+echo -e "\tif (_ldk_strncmp(_LDK_C_BINDINGS_HEADER_VER, (const char*)bin_ver.chars, bin_ver.len) != 0) {" >> lightning-c-bindings/include/ldk_ver.h
+echo -e "\t// Version mismatch, we don't know what we're running!" >> lightning-c-bindings/include/ldk_ver.h
+echo -e "\t\treturn 0;" >> lightning-c-bindings/include/ldk_ver.h
+echo -e "\t}" >> lightning-c-bindings/include/ldk_ver.h
+echo -e "\treturn _LDK_C_BINDINGS_HEADER_VER;" >> lightning-c-bindings/include/ldk_ver.h
+echo -e "}" >> lightning-c-bindings/include/ldk_ver.h
+echo -e "#endif /* _LDK_HEADER_VER */" >> lightning-c-bindings/include/ldk_ver.h
+
rm -rf lightning-c-bindings/src
-mkdir -p lightning-c-bindings/src/c_types/
+mkdir -p lightning-c-bindings/src/{c_types,lightning}
mv ./mod.rs lightning-c-bindings/src/c_types/
mv ./bitcoin lightning-c-bindings/src/
# Finally, run the c-bindings-gen binary, building fresh bindings.
OUT="$(pwd)/lightning-c-bindings/src"
OUT_TEMPL="$(pwd)/lightning-c-bindings/src/c_types/derived.rs"
-OUT_F="$(pwd)/lightning-c-bindings/include/rust_types.h"
+OUT_F="$(pwd)/lightning-c-bindings/include/ldk_rust_types.h"
OUT_CPP="$(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 [ "$2" = "true" ]; then
+ add_crate lightning lightning --features=allow_wallclock_use ', features = ["allow_wallclock_use"]'
+ add_crate "lightning-persister" "lightning_persister"
+ add_crate "lightning-background-processor" "lightning_background_processor"
else
- sed -i 's|lightning = { .*|lightning = { path = "'"$LIGHTNING_PATH"'", features = ['"$FEATURES"'] }|' lightning-c-bindings/Cargo.toml
+ add_crate lightning lightning
+ drop_crate "lightning-persister"
+ drop_crate "lightning-background-processor"
fi
+add_crate "lightning-invoice" "lightning_invoice"
+
+cat /tmp/crate-source.txt | RUST_BACKTRACE=1 "$BIN" "$OUT/" "$OUT_TEMPL" "$OUT_F" "$OUT_CPP"
+
+echo -e '#[no_mangle]' >> lightning-c-bindings/src/version.rs
+echo -e 'pub extern "C" fn _ldk_get_compiled_version() -> crate::c_types::Str {' >> lightning-c-bindings/src/version.rs
+echo -e '\t"'"$LIGHTNING_GIT"'".into()' >> lightning-c-bindings/src/version.rs
+echo -e '}' >> lightning-c-bindings/src/version.rs
+echo -e '#[no_mangle]' >> lightning-c-bindings/src/version.rs
+echo -e 'pub extern "C" fn _ldk_c_bindings_get_compiled_version() -> crate::c_types::Str {' >> lightning-c-bindings/src/version.rs
+echo -e '\t"'"$BINDINGS_GIT"'".into()' >> lightning-c-bindings/src/version.rs
+echo -e '}' >> lightning-c-bindings/src/version.rs
# 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"
# Now cd to lightning-c-bindings, build the generated bindings, and call cbindgen to build a C header file
cd lightning-c-bindings
+
+# Set up CFLAGS and RUSTFLAGS vars appropriately for building libsecp256k1 and demo apps...
+BASE_CFLAGS="" # CFLAGS for libsecp256k1
+LOCAL_CFLAGS="" # CFLAGS for demo apps
+BASE_RUSTFLAGS="" # RUSTFLAGS
+
# 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 $HOME/.cargo= -C target-cpu=generic"
-export CFLAGS="-ffile-prefix-map=$HOME/.cargo="
+BASE_RUSTFLAGS="--remap-path-prefix $LIGHTNING_PATH=rust-lightning --remap-path-prefix $(pwd)=ldk-c-bindings --remap-path-prefix $HOME/.cargo="
+
+# If the C compiler supports it, also set -ffile-prefix-map
+echo "int main() {}" > genbindings_path_map_test_file.c
+clang -o /dev/null -ffile-prefix-map=$HOME/.cargo= genbindings_path_map_test_file.c > /dev/null 2>&1 &&
+export BASE_CFLAGS="-ffile-prefix-map=$HOME/.cargo="
+
+BASE_CFLAGS="$BASE_CFLAGS -frandom-seed=42"
+LOCAL_CFLAGS="-Wall -Wno-nullability-completeness -pthread -Iinclude/"
+
+if [ "$HOST_PLATFORM" = "host: x86_64-apple-darwin" ]; then
+ LOCAL_CFLAGS="$LOCAL_CFLAGS -isysroot$(xcrun --show-sdk-path)"
+ BASE_CFLAGS="$BASE_CFLAGS -isysroot$(xcrun --show-sdk-path)"
+ # Targeting aarch64 appears to be supported only starting with Big Sur, so check it before use
+ clang -o /dev/null -target=aarch64-apple-darwin -mcpu=apple-a14 genbindings_path_map_test_file.c > /dev/null 2>&1 &&
+ export CFLAGS_aarch64_apple_darwin="$BASE_CFLAGS -target=aarch64-apple-darwin -mcpu=apple-a14"
+fi
+
+rm genbindings_path_map_test_file.c
+
+ENV_TARGET=$(rustc --version --verbose | grep host | awk '{ print $2 }' | sed 's/-/_/g')
+case "$ENV_TARGET" in
+ "x86_64"*)
+ export RUSTFLAGS="$BASE_RUSTFLAGS -C target-cpu=sandybridge"
+ export CFLAGS_$ENV_TARGET="$BASE_CFLAGS -march=sandybridge -mcpu=sandybridge -mtune=sandybridge"
+ ;;
+ *)
+ # Assume this isn't targeted at another host and build for the host's CPU.
+ export RUSTFLAGS="$BASE_RUSTFLAGS -C target-cpu=native"
+ export CFLAGS_$ENV_TARGET="$BASE_CFLAGS -mcpu=native"
+ ;;
+esac
cargo build
+if [ "$CFLAGS_aarch64_apple_darwin" != "" ]; then
+ RUSTFLAGS="$BASE_RUSTFLAGS -C target-cpu=apple-a14" cargo build --target aarch64-apple-darwin
+fi
cbindgen -v --config cbindgen.toml -o include/lightning.h >/dev/null 2>&1
# cbindgen is relatively braindead when exporting typedefs -
# stdlib.h doesn't exist in clang's wasm sysroot, and cbindgen
# doesn't actually use it anyway, so drop the import.
- sed -i '' 's/#include <stdlib.h>//g' include/lightning.h
+ sed -i '' 's/#include <stdlib.h>/#include <ldk_rust_types.h>/g' include/lightning.h
else
sed -i 's/typedef LDKnative.*Import.*LDKnative.*;//g' include/lightning.h
# stdlib.h doesn't exist in clang's wasm sysroot, and cbindgen
# doesn't actually use it anyway, so drop the import.
- sed -i 's/#include <stdlib.h>//g' include/lightning.h
+ sed -i 's/#include <stdlib.h>/#include <ldk_rust_types.h>/g' include/lightning.h
fi
# Finally, sanity-check the generated C and C++ bindings with demo apps:
-
-LOCAL_CFLAGS="-Wall -Wno-nullability-completeness -pthread"
-
# Naively run the C demo app:
gcc $LOCAL_CFLAGS -Wall -g -pthread demo.c target/debug/libldk.a -ldl
./a.out
RUSTC_LLVM_V=$(rustc --version --verbose | grep "LLVM version" | awk '{ print substr($3, 0, 2); }' | tr -d '.')
if [ "$HOST_PLATFORM" = "host: x86_64-apple-darwin" ]; then
- # Apple is special, as always, and decided that they must ensure that there is no way to identify
- # the LLVM version used. Why? Just to make your life hard.
- # This list is taken from https://en.wikipedia.org/wiki/Xcode
- APPLE_CLANG_V=$(clang --version | head -n1 | awk '{ print $4 }')
- if [ "$APPLE_CLANG_V" = "10.0.0" ]; then
- CLANG_LLVM_V="6"
- elif [ "$APPLE_CLANG_V" = "10.0.1" ]; then
- CLANG_LLVM_V="7"
- elif [ "$APPLE_CLANG_V" = "11.0.0" ]; then
- CLANG_LLVM_V="8"
- elif [ "$APPLE_CLANG_V" = "11.0.3" ]; then
- CLANG_LLVM_V="9"
- elif [ "$APPLE_CLANG_V" = "12.0.0" ]; then
- CLANG_LLVM_V="10"
- else
- echo "WARNING: Unable to identify Apple clang LLVM version"
+ # Apple is special, as always, and their versions of clang aren't
+ # compatible with upstream LLVM.
+ if [ "$(clang --version | grep 'Apple clang')" != "" ]; then
+ echo "Apple clang isn't compatible with upstream clang, install upstream clang"
CLANG_LLVM_V="0"
+ else
+ CLANG_LLVM_V=$(clang --version | head -n1 | awk '{ print substr($4, 0, 2); }' | tr -d '.')
fi
else
CLANG_LLVM_V=$(clang --version | head -n1 | awk '{ print substr($4, 0, 2); }' | tr -d '.')
CLANGPP=clang++
elif [ "$(which clang-$RUSTC_LLVM_V)" != "" ]; then
CLANG="$(which clang-$RUSTC_LLVM_V)"
- CLANGPP="$(which clang++-$RUSTC_LLVM_V)"
+ CLANGPP="$(which clang++-$RUSTC_LLVM_V || echo clang++)"
+ if [ "$($CLANG --version)" != "$($CLANGPP --version)" ]; then
+ echo "$CLANG and $CLANGPP are not the same version of clang!"
+ unset CLANG
+ unset CLANGPP
+ fi
fi
if [ "$CLANG" != "" -a "$CLANGPP" = "" ]; then
else
sed -i.bk 's/,"cdylib"]/]/g' Cargo.toml
fi
+ if [ "$CFLAGS_aarch64_apple_darwin" != "" ]; then
+ RUSTFLAGS="$BASE_RUSTFLAGS -C target-cpu=apple-a14" RUSTC_BOOTSTRAP=1 cargo rustc --target aarch64-apple-darwin -v -- -Zsanitizer=address -Cforce-frame-pointers=yes || ( mv Cargo.toml.bk Cargo.toml; exit 1)
+ fi
RUSTC_BOOTSTRAP=1 cargo rustc -v -- -Zsanitizer=address -Cforce-frame-pointers=yes || ( mv Cargo.toml.bk Cargo.toml; exit 1)
mv Cargo.toml.bk Cargo.toml
CARGO_PROFILE_RELEASE_LTO=true cargo rustc -v --release -- -C lto
clang++ $LOCAL_CFLAGS -std=c++11 -flto -O2 demo.cpp target/release/libldk.a -ldl
+strip ./a.out
+echo "C++ Bin size and runtime with only RL (LTO) optimized:"
+ls -lha a.out
+time ./a.out > /dev/null
+
if [ "$HOST_PLATFORM" != "host: x86_64-apple-darwin" -a "$CLANGPP" != "" ]; then
# If we can use cross-language LTO, use it for building C dependencies (i.e. libsecp256k1) as well
export CC="$CLANG"
- export CFLAGS_wasm32_wasi="-target wasm32"
+ # 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_$ENV_TARGET="$BASE_CFLAGS -fPIC -fembed-bitcode -march=sandybridge"
+ export CRATE_CC_NO_DEFAULTS=true
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 &&
- # And if it does, build a WASM binary without capturing errors
- cargo rustc -v --target=wasm32-wasi -- -C embed-bitcode=yes &&
- # Now that we've done our last non-LTO build, turn on LTO in CFLAGS as well
- export CFLAGS="$CFLAGS -flto" &&
- CARGO_PROFILE_RELEASE_LTO=true cargo rustc -v --release --target=wasm32-wasi -- -C opt-level=s -C linker-plugin-lto -C lto ||
- echo "Cannot build WASM lib as clang does not seem to support the wasm32-wasi target"
+ if clang -nostdlib -o /dev/null --target=wasm32-wasi -Wl,--no-entry genbindings_wasm_test_file.c > /dev/null 2>&1; then
+ # And if it does, build a WASM binary without capturing errors
+ export CFLAGS_wasm32_wasi="$BASE_CFLAGS -target wasm32"
+ cargo rustc -v --target=wasm32-wasi
+ export CFLAGS_wasm32_wasi="$BASE_CFLAGS -target wasm32 -Os"
+ CARGO_PROFILE_RELEASE_LTO=true cargo rustc -v --release --target=wasm32-wasi -- -C embed-bitcode=yes -C opt-level=s -C linker-plugin-lto -C lto
+ else
+ echo "Cannot build WASM lib as clang does not seem to support the wasm32-wasi target"
+ fi
rm genbindings_wasm_test_file.c
fi
-strip ./a.out
-echo "C++ Bin size and runtime with only RL (LTO) optimized:"
-ls -lha a.out
-time ./a.out > /dev/null
+if [ "$CFLAGS_aarch64_apple_darwin" != "" ]; then
+ RUSTFLAGS="$BASE_RUSTFLAGS -C target-cpu=apple-a14" CARGO_PROFILE_RELEASE_LTO=true cargo rustc -v --release --target aarch64-apple-darwin -- -C lto
+fi
if [ "$HOST_PLATFORM" != "host: x86_64-apple-darwin" -a "$CLANGPP" != "" ]; then
# Finally, test cross-language LTO. Note that this will fail if rustc and clang++
# or Ubuntu packages). This should work fine on Distros which do more involved
# packaging than simply shipping the rustup binaries (eg Debian should Just Work
# here).
- export CFLAGS="$CFLAGS -flto"
+ export CFLAGS_$ENV_TARGET="$BASE_CFLAGS -O3 -fPIC -fembed-bitcode -march=sandybridge"
# 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
projects / ldk-c-bindings / blobdiff