3 echo "USAGE: path/to/ldk-c-bindings [wasm|\"JNI_CFLAGS\"] debug android_web"
4 echo "For JNI_CFLAGS you probably want -I/usr/lib/jvm/java-11-openjdk-amd64/include/ -I/usr/lib/jvm/java-11-openjdk-amd64/include/linux/"
5 echo "If JNI_CFLAGS is instead set to wasm, we build for wasm/TypeScript instead of Java"
6 echo "debug should either be true, false, or leaks"
7 echo "debug of leaks turns on leak tracking on an optimized release bianry"
8 echo "android_web should either be true or false and indicates if we build for android (Java) or web (WASM)"
11 [ "$1" = "" ] && usage
12 [ "$3" != "true" -a "$3" != "false" -a "$3" != "leaks" ] && usage
13 [ "$4" != "true" -a "$4" != "false" ] && usage
18 if [ "$CC" != "" ]; then
19 COMMON_COMPILE="$CC -std=c11 -Wall -Wextra -Wno-unused-parameter -Wno-ignored-qualifiers -Wno-unused-function -Wno-nullability-completeness -Wno-pointer-sign -Wdate-time -ffile-prefix-map=$(pwd)="
22 COMMON_COMPILE="clang -std=c11 -Wall -Wextra -Wno-unused-parameter -Wno-ignored-qualifiers -Wno-unused-function -Wno-nullability-completeness -Wno-pointer-sign -Wdate-time -ffile-prefix-map=$(pwd)="
26 if [ "$3" = "leaks" ]; then
30 cp "$1/lightning-c-bindings/include/lightning.h" ./
31 if [ "$(rustc --version --verbose | grep "host:")" = "host: x86_64-apple-darwin" ]; then
32 # OSX sed is for some reason not compatible with GNU sed
33 sed -i '' "s/TransactionOutputs/C2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ/g" ./lightning.h
35 sed -i "s/TransactionOutputs/C2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ/g" ./lightning.h
38 if [ "$LDK_GARBAGECOLLECTED_GIT_OVERRIDE" = "" ]; then
39 export LDK_GARBAGECOLLECTED_GIT_OVERRIDE=$(git describe --tag --dirty)
41 if [ "${LDK_GARBAGECOLLECTED_GIT_OVERRIDE:0:1}" != "v" ]; then
42 echo "Version tag should start with a v" > /dev/stderr
46 if [ "$2" != "wasm" ]; then
47 TARGET_STRING="$LDK_TARGET"
48 if [ "$TARGET_STRING" = "" ]; then
49 # We assume clang-style $CC --version here, but worst-case we just get an empty suffix
50 TARGET_STRING="$($CC --version | grep Target | awk '{ print $2 }')"
52 case "$TARGET_STRING" in
54 LDK_TARGET_SUFFIX="_Linux-amd64"
57 "x86_64-apple-darwin"*)
58 LDK_TARGET_SUFFIX="_MacOSX-x86_64"
61 "aarch64-apple-darwin"*)
62 LDK_TARGET_SUFFIX="_MacOSX-aarch64"
66 LDK_TARGET_SUFFIX="_${TARGET_STRING}"
68 if [ "$LDK_TARGET_CPU" = "" ]; then
69 LDK_TARGET_CPU="sandybridge"
72 if [ "$(rustc --version --verbose | grep "host:")" = "host: x86_64-apple-darwin" ]; then
73 # OSX sed is for some reason not compatible with GNU sed
74 sed -i '' "s/^ <version>.*<\/version>/ <version>${LDK_GARBAGECOLLECTED_GIT_OVERRIDE:1:100}<\/version>/g" pom.xml
76 sed -i "s/^ <version>.*<\/version>/ <version>${LDK_GARBAGECOLLECTED_GIT_OVERRIDE:1:100}<\/version>/g" pom.xml
79 echo "Creating Java bindings..."
80 mkdir -p src/main/java/org/ldk/{enums,structs}
81 rm -f src/main/java/org/ldk/{enums,structs}/*.java
82 rm -f src/main/jni/*.h
83 if [ "$4" = "true" ]; then
84 ./genbindings.py "./lightning.h" src/main/java/org/ldk/impl src/main/java/org/ldk src/main/jni/ $DEBUG_ARG android $4
86 ./genbindings.py "./lightning.h" src/main/java/org/ldk/impl src/main/java/org/ldk src/main/jni/ $DEBUG_ARG java $4
88 rm -f src/main/jni/bindings.c
89 if [ "$3" = "true" ]; then
90 echo "#define LDK_DEBUG_BUILD" > src/main/jni/bindings.c
91 elif [ "$3" = "leaks" ]; then
92 # For leak checking we use release libldk which doesn't expose
93 # __unmangle_inner_ptr, but the C code expects to be able to call it.
94 echo "#define __unmangle_inner_ptr(a) (a)" > src/main/jni/bindings.c
96 echo "#define LDKCVec_C2Tuple_TxidCVec_C2Tuple_u32TxOutZZZZ LDKCVec_TransactionOutputsZ" >> src/main/jni/bindings.c
97 echo "#define CVec_C2Tuple_TxidCVec_C2Tuple_u32TxOutZZZZ_free CVec_TransactionOutputsZ_free" >> src/main/jni/bindings.c
98 cat src/main/jni/bindings.c.body >> src/main/jni/bindings.c
99 javac -h src/main/jni src/main/java/org/ldk/enums/*.java src/main/java/org/ldk/impl/*.java
100 rm src/main/java/org/ldk/enums/*.class src/main/java/org/ldk/impl/bindings*.class
103 [ "$($CC --version | grep apple-darwin)" != "" ] && IS_MAC=true
105 [ "$($CC --version | grep "Apple clang version")" != "" ] && IS_APPLE_CLANG=true
107 echo "Building Java bindings..."
108 COMPILE="$COMMON_COMPILE -mcpu=$LDK_TARGET_CPU -Isrc/main/jni -pthread -ldl -shared -fPIC"
109 [ "$IS_MAC" = "false" ] && COMPILE="$COMPILE -Wl,--no-undefined"
110 [ "$IS_MAC" = "true" ] && COMPILE="$COMPILE -mmacosx-version-min=10.9"
111 [ "$IS_MAC" = "true" -a "$IS_APPLE_CLANG" = "false" ] && COMPILE="$COMPILE -fuse-ld=lld"
112 [ "$IS_MAC" = "true" -a "$IS_APPLE_CLANG" = "false" ] && echo "WARNING: Need at least upstream clang 13!"
113 [ "$IS_MAC" = "false" -a "$3" != "false" ] && COMPILE="$COMPILE -Wl,-wrap,calloc -Wl,-wrap,realloc -Wl,-wrap,malloc -Wl,-wrap,free"
114 if [ "$3" = "true" ]; then
115 $COMPILE -o liblightningjni_debug$LDK_TARGET_SUFFIX.so -g -fsanitize=address -shared-libasan -rdynamic -I"$1"/lightning-c-bindings/include/ $2 src/main/jni/bindings.c "$1"/lightning-c-bindings/target/$LDK_TARGET/debug/libldk.a -lm
117 LDK_LIB="$1"/lightning-c-bindings/target/$LDK_TARGET/release/libldk.a
118 if [ "$IS_MAC" = "false" -a "$4" = "false" ]; then
119 COMPILE="$COMPILE -Wl,--version-script=libcode.version -fuse-ld=lld"
120 # __cxa_thread_atexit_impl is used to more effeciently cleanup per-thread local storage by rust libstd.
121 # However, it is not available on glibc versions 2.17 or earlier, and rust libstd has a null-check and
122 # fallback in case it is missing.
123 # Because it is weak-linked on the rust side, we should be able to simply define it
124 # explicitly, forcing rust to use the fallback. However, for some reason involving ancient
125 # dark magic and haunted code segments, overriding the weak symbol only impacts sites which
126 # *call* the symbol in question, not sites which *compare with* the symbol in question.
127 # This means that the NULL check in rust's libstd will always think the function is
128 # callable while the function which is called ends up being NULL (leading to a jmp to the
129 # zero page and a quick SEGFAULT).
130 # This issue persists not only with directly providing a symbol, but also ld.lld's -wrap
131 # and --defsym arguments.
132 # In smaller programs, it appears to be possible to work around this with -Bsymbolic and
133 # -nostdlib, however when applied the full-sized JNI library here it no longer works.
134 # After exhausting nearly every flag documented in lld, the only reliable method appears
135 # to be editing the LDK binary. Luckily, LLVM's tooling makes this rather easy as we can
136 # disassemble it into very readable code, edit it, and then reassemble it.
137 # Note that if we do so we don't have to bother overriding the actual call, LLVM should
138 # optimize it away, which also provides a good check that there isn't anything actually
139 # relying on it elsewhere.
140 [ ! -f "$1"/lightning-c-bindings/target/$LDK_TARGET/release/libldk.a ] && exit 1
141 if [ "$(ar t "$1"/lightning-c-bindings/target/$LDK_TARGET/release/libldk.a | grep -v "\.o$" || echo)" != "" ]; then
142 echo "Archive contained non-object files!"
145 if [ "$(ar t "$1"/lightning-c-bindings/target/$LDK_TARGET/release/libldk.a | grep ldk.ldk.*-cgu.*.rcgu.o | wc -l)" != "1" ]; then
146 echo "Archive contained more than one LDK object file"
151 ar x --output=tmp "$1"/lightning-c-bindings/target/$LDK_TARGET/release/libldk.a
153 llvm-dis ldk.ldk.*-cgu.*.rcgu.o
154 sed -i 's/br i1 icmp eq (i8\* @__cxa_thread_atexit_impl, i8\* null)/br i1 icmp eq (i8* null, i8* null)/g' ldk.ldk.*-cgu.*.rcgu.o.ll
155 llvm-as ldk.ldk.*-cgu.*.rcgu.o.ll -o ./libldk.bc
158 LDK_LIB="tmp/libldk.bc tmp/libldk.a"
160 $COMPILE -o liblightningjni_release$LDK_TARGET_SUFFIX.so -flto -O3 -I"$1"/lightning-c-bindings/include/ $2 src/main/jni/bindings.c $LDK_LIB
161 if [ "$IS_MAC" = "false" -a "$4" = "false" ]; then
162 GLIBC_SYMBS="$(objdump -T liblightningjni_release$LDK_TARGET_SUFFIX.so | grep GLIBC_ | grep -v "GLIBC_2\.2\." | grep -v "GLIBC_2\.3\(\.\| \)" | grep -v "GLIBC_2.\(14\|17\) " || echo)"
163 if [ "$GLIBC_SYMBS" != "" ]; then
164 echo "Unexpected glibc version dependency! Some users need glibc 2.17 support, symbols for newer glibcs cannot be included."
168 REALLOC_ARRAY_SYMBS="$(objdump -T liblightningjni_release$LDK_TARGET_SUFFIX.so | grep reallocarray || echo)"
169 if [ "$REALLOC_ARRAY_SYMBS" != "" ]; then
170 echo "Unexpected reallocarray dependency!"
174 if [ "$LDK_JAR_TARGET" = "true" ]; then
175 # Copy to JNI native directory for inclusion in JARs
176 mkdir -p src/main/resources/
177 cp liblightningjni_release$LDK_TARGET_SUFFIX.so src/main/resources/liblightningjni$LDK_TARGET_SUFFIX.nativelib
181 echo "Creating TS bindings..."
182 mkdir -p ts/{enums,structs}
183 rm -f ts/{enums,structs,}/*.{mjs,mts,mts.part}
184 if [ "$4" = "false" ]; then
185 ./genbindings.py "./lightning.h" ts ts ts $DEBUG_ARG typescript node
187 ./genbindings.py "./lightning.h" ts ts ts $DEBUG_ARG typescript browser
190 if [ "$3" = "true" ]; then
191 echo "#define LDK_DEBUG_BUILD" > ts/bindings.c
192 elif [ "$3" = "leaks" ]; then
193 # For leak checking we use release libldk which doesn't expose
194 # __unmangle_inner_ptr, but the C code expects to be able to call it.
195 echo "#define __unmangle_inner_ptr(a) (a)" > ts/bindings.c
197 echo "#define LDKCVec_C2Tuple_TxidCVec_C2Tuple_u32TxOutZZZZ LDKCVec_TransactionOutputsZ" >> ts/bindings.c
198 echo "#define CVec_C2Tuple_TxidCVec_C2Tuple_u32TxOutZZZZ_free CVec_TransactionOutputsZ_free" >> ts/bindings.c
199 cat ts/bindings.c.body >> ts/bindings.c
201 echo "Building TS bindings..."
202 COMPILE="$COMMON_COMPILE -flto -Wl,--no-entry -nostdlib --target=wasm32-wasi -Wl,-z -Wl,stack-size=$((8*1024*1024)) -Wl,--initial-memory=$((16*1024*1024)) -Wl,--max-memory=$((1024*1024*1024)) -Wl,--global-base=4096"
203 # We only need malloc and assert/abort, but for now just use WASI for those:
204 #EXTRA_LINK=/usr/lib/wasm32-wasi/libc.a
206 [ "$3" != "false" ] && COMPILE="$COMPILE -Wl,-wrap,calloc -Wl,-wrap,realloc -Wl,-wrap,reallocarray -Wl,-wrap,malloc -Wl,-wrap,aligned_alloc -Wl,-wrap,free"
207 if [ "$3" = "true" ]; then
208 WASM_FILE=liblightningjs_debug.wasm
209 $COMPILE -o liblightningjs_debug.wasm -g -O1 -I"$1"/lightning-c-bindings/include/ ts/bindings.c "$1"/lightning-c-bindings/target/wasm32-wasi/debug/libldk.a $EXTRA_LINK
211 WASM_FILE=liblightningjs_release.wasm
212 $COMPILE -o liblightningjs_release.wasm -s -Oz -I"$1"/lightning-c-bindings/include/ ts/bindings.c "$1"/lightning-c-bindings/target/wasm32-wasi/release/libldk.a $EXTRA_LINK
215 if [ -x "$(which tsc)" ]; then
217 for F in structs/*; do
218 cat imports.mts.part | grep -v " $(basename -s .mts $F)[ ,]" | cat - $F > $F.tmp
222 if [ "$4" = "true" ]; then
225 tsc --types node --typeRoots .
226 if [ -x "$(which node)" ]; then
227 NODE_V="$(node --version)"
228 if [ "${NODE_V:1:2}" -gt 14 ]; then
229 rm -f liblightningjs.wasm
230 ln -s "$(pwd)"/../$WASM_FILE liblightningjs.wasm