exit 1
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 "$1"
LIGHTNING_PATH="$(pwd)"
-LIGHTNING_GIT="$(git describe --tag --dirty)"
+LIGHTNING_GIT="$(git describe --tag --dirty --abbrev=16)"
cd "$ORIG_PWD"
# Generate (and reasonably test) C bindings
git checkout lightning-c-bindings/src
git checkout lightning-c-bindings/include
-BINDINGS_GIT="$(git describe --tag --dirty)"
+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
if [ "$2" = "true" ]; then
add_crate lightning lightning --features=allow_wallclock_use ', features = ["allow_wallclock_use"]'
add_crate "lightning-persister" "lightning_persister"
+ add_crate "lightning-background-processor" "lightning_background_processor"
else
add_crate lightning lightning
drop_crate "lightning-persister"
+ drop_crate "lightning-background-processor"
fi
add_crate "lightning-invoice" "lightning_invoice"
echo -e '}' >> lightning-c-bindings/src/version.rs
# Set path to include our rustc wrapper as well as cbindgen
+export LDK_RUSTC_PATH="$(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"
+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 &&
-# Now that we've done our last non-LTO build, turn on LTO in CFLAGS as well
-export CFLAGS="-ffile-prefix-map=$HOME/.cargo="
+export BASE_CFLAGS="-ffile-prefix-map=$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
+ export MACOSX_DEPLOYMENT_TARGET=10.9
+ LOCAL_CFLAGS="$LOCAL_CFLAGS -isysroot$(xcrun --show-sdk-path) -mmacosx-version-min=10.9"
+ BASE_CFLAGS="$BASE_CFLAGS -isysroot$(xcrun --show-sdk-path) -mmacosx-version-min=10.9"
+ # Targeting aarch64 appears to be supported only starting with Big Sur, so check it before use
+ clang -o /dev/null $BASE_CFLAGS --target=aarch64-apple-darwin -mcpu=apple-a14 genbindings_path_map_test_file.c &&
+ export CFLAGS_aarch64_apple_darwin="$BASE_CFLAGS --target=aarch64-apple-darwin -mcpu=apple-a14" ||
+ echo "WARNING: Can not build targeting aarch64-apple-darin. Upgrade to Big Sur or try upstream clang"
+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 -
fi
# Finally, sanity-check the generated C and C++ bindings with demo apps:
-
-LOCAL_CFLAGS="-Wall -Wno-nullability-completeness -pthread -Iinclude/"
-
# 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="$BASE_RUSTFLAGS -C target-cpu=apple-a14" RUSTC_BOOTSTRAP=1 cargo rustc --target aarch64-apple-darwin -v -- -Zsanitizer=address -Cforce-frame-pointers=yes || ( mv Cargo.toml.bk Cargo.toml; exit 1)
+ fi
RUSTC_BOOTSTRAP=1 cargo rustc -v -- -Zsanitizer=address -Cforce-frame-pointers=yes || ( mv Cargo.toml.bk Cargo.toml; exit 1)
mv Cargo.toml.bk Cargo.toml
# The cc-rs crate tries to force -fdata-sections and -ffunction-sections on, which
# breaks -fembed-bitcode, so we turn off cc-rs' default flags and specify exactly
# what we want here.
- export CFLAGS="$CFLAGS -fPIC -fembed-bitcode"
+ export CFLAGS_$ENV_TARGET="$BASE_CFLAGS -fPIC -fembed-bitcode -march=sandybridge"
export CRATE_CC_NO_DEFAULTS=true
fi
echo "int main() {}" > genbindings_wasm_test_file.c
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="-target wasm32"
+ export CFLAGS_wasm32_wasi="$BASE_CFLAGS -target wasm32"
cargo rustc -v --target=wasm32-wasi
- export CFLAGS_wasm32_wasi="-target wasm32 -Os"
+ export CFLAGS_wasm32_wasi="$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"
rm genbindings_wasm_test_file.c
fi
+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++
# build against different versions of LLVM (eg when rustc is installed via rustup
# 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="$CFLAGS -O3"
+ export CFLAGS_$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