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[ldk-java] / genbindings.sh
1 #!/bin/bash
2 usage() {
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)"
9         echo "Note that web currently generates the same results as !web (ie Node.JS)"
10         exit 1
11 }
12 [ "$1" = "" ] && usage
13 [ "$3" != "true" -a "$3" != "false" -a "$3" != "leaks" ] && usage
14 [ "$4" != "true" -a "$4" != "false" ] && usage
15
16 set -e
17 set -x
18
19 function is_gnu_sed(){
20   sed --version >/dev/null 2>&1
21 }
22
23 if [ "$CC" = "" ]; then
24         CC=clang
25 fi
26
27 TARGET_STRING="$LDK_TARGET"
28 if [ "$TARGET_STRING" = "" ]; then
29         # We assume clang-style $CC --version here, but worst-case we just get an empty suffix
30         TARGET_STRING="$($CC --version | grep Target | awk '{ print $2 }')"
31 fi
32
33 IS_MAC=false
34 [ "$($CC --version | grep apple-darwin)" != "" ] && IS_MAC=true
35 IS_APPLE_CLANG=false
36 [ "$($CC --version | grep "Apple clang version")" != "" ] && IS_APPLE_CLANG=true
37
38 case "$TARGET_STRING" in
39         "x86_64-pc-linux"*)
40                 LDK_TARGET_SUFFIX="_Linux-amd64"
41                 LDK_JAR_TARGET=true
42                 ;;
43         "x86_64-apple-darwin"*)
44                 LDK_TARGET_SUFFIX="_MacOSX-x86_64"
45                 LDK_JAR_TARGET=true
46                 IS_MAC=true
47                 ;;
48         "aarch64-apple-darwin"*)
49                 LDK_TARGET_CPU="apple-a14"
50                 LDK_TARGET_SUFFIX="_MacOSX-aarch64"
51                 LDK_JAR_TARGET=true
52                 IS_MAC=true
53                 ;;
54         *)
55                 LDK_TARGET_SUFFIX="_${TARGET_STRING}"
56 esac
57 if [ "$LDK_TARGET_CPU" = "" ]; then
58         LDK_TARGET_CPU="sandybridge"
59 fi
60
61 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)="
62 [ "$IS_MAC" = "true" -a "$2" != "wasm" ] && COMMON_COMPILE="$COMMON_COMPILE --target=$TARGET_STRING -mcpu=$LDK_TARGET_CPU"
63
64 DEBUG_ARG="$3"
65 if [ "$3" = "leaks" ]; then
66         DEBUG_ARG="true"
67 fi
68
69 cp "$1/lightning-c-bindings/include/lightning.h" ./
70 if is_gnu_sed; then
71         sed -i "s/TransactionOutputs/C2Tuple_ThirtyTwoBytesCVec_C2Tuple_u32TxOutZZZ/g" ./lightning.h
72 else
73         # OSX sed is for some reason not compatible with GNU sed
74         sed -i '' "s/TransactionOutputs/C2Tuple_ThirtyTwoBytesCVec_C2Tuple_u32TxOutZZZ/g" ./lightning.h
75 fi
76 echo "#define LDKCVec_C2Tuple_ThirtyTwoBytesCVec_C2Tuple_u32TxOutZZZZ LDKCVec_TransactionOutputsZ" > header.c
77 echo "#define CVec_C2Tuple_ThirtyTwoBytesCVec_C2Tuple_u32TxOutZZZZ_free CVec_TransactionOutputsZ_free" >> header.c
78
79
80 if [ "$LDK_GARBAGECOLLECTED_GIT_OVERRIDE" = "" ]; then
81         export LDK_GARBAGECOLLECTED_GIT_OVERRIDE=$(git describe --tag --dirty)
82 fi
83 if [ "${LDK_GARBAGECOLLECTED_GIT_OVERRIDE:0:1}" != "v" ]; then
84         echo "Version tag should start with a v" > /dev/stderr
85         exit 1
86 fi
87
88
89 if [ "$2" = "c_sharp" ]; then
90         echo "Creating C# bindings..."
91         mkdir -p c_sharp/src/org/ldk/{enums,structs,impl}
92         rm -f c_sharp/src/org/ldk/{enums,structs,impl}/*.cs
93         ./genbindings.py "./lightning.h" c_sharp/src/org/ldk/impl c_sharp/src/org/ldk c_sharp/ $DEBUG_ARG c_sharp $4 $TARGET_STRING
94         rm -f c_sharp/bindings.c
95         if [ "$3" = "true" ]; then
96                 echo "#define LDK_DEBUG_BUILD" > c_sharp/bindings.c
97         elif [ "$3" = "leaks" ]; then
98                 # For leak checking we use release libldk which doesn't expose
99                 # __unmangle_inner_ptr, but the C code expects to be able to call it.
100                 echo "#define __unmangle_inner_ptr(a) (a)" > c_sharp/bindings.c
101         fi
102         cat header.c >> c_sharp/bindings.c
103         cat header.c >> c_sharp/bindings.c
104         cat c_sharp/bindings.c.body >> c_sharp/bindings.c
105
106         IS_MAC=false
107         [ "$($CC --version | grep apple-darwin)" != "" ] && IS_MAC=true
108         IS_APPLE_CLANG=false
109         [ "$($CC --version | grep "Apple clang version")" != "" ] && IS_APPLE_CLANG=true
110
111         # Compiling C# bindings with Mono
112         MONO_COMPILE="-out:csharpldk.dll -langversion:3 -t:library c_sharp/src/org/ldk/enums/*.cs c_sharp/src/org/ldk/impl/*.cs c_sharp/src/org/ldk/util/*.cs c_sharp/src/org/ldk/structs/*.cs"
113         if [ "$3" = "true" ]; then
114                 mono-csc $MONO_COMPILE
115         else
116                 mono-csc -o $MONO_COMPILE
117         fi
118
119         echo "Building C# bindings..."
120         COMPILE="$COMMON_COMPILE -Isrc/main/jni -pthread -fPIC"
121         LINK="-ldl -shared"
122         [ "$IS_MAC" = "false" ] && LINK="$LINK -Wl,--no-undefined"
123         [ "$IS_MAC" = "true" ] && COMPILE="$COMPILE -mmacosx-version-min=10.9"
124         [ "$IS_MAC" = "true" -a "$IS_APPLE_CLANG" = "false" ] && LINK="$LINK -fuse-ld=lld"
125         [ "$IS_MAC" = "true" -a "$IS_APPLE_CLANG" = "false" ] && echo "WARNING: Need at least upstream clang 13!"
126         [ "$IS_MAC" = "false" -a "$3" != "false" ] && LINK="$LINK -Wl,-wrap,calloc -Wl,-wrap,realloc -Wl,-wrap,malloc -Wl,-wrap,free"
127
128         exit 0 # Sadly compilation doesn't currently work
129         if [ "$3" = "true" ]; then
130                 $COMPILE $LINK -o liblightningjni_debug$LDK_TARGET_SUFFIX.so -g -fsanitize=address -shared-libasan -rdynamic -I"$1"/lightning-c-bindings/include/ $2 c_sharp/bindings.c "$1"/lightning-c-bindings/target/$LDK_TARGET/debug/libldk.a -lm
131         else
132                 $COMPILE -o bindings.o -c -flto -O3 -I"$1"/lightning-c-bindings/include/ $2 c_sharp/bindings.c
133                 $COMPILE $LINK -o liblightningjni_release$LDK_TARGET_SUFFIX.so -flto -O3 -Wl,--lto-O3 -Wl,-O3 -Wl,--version-script=c_sharp/libcode.version -I"$1"/lightning-c-bindings/include/ $2 bindings.o "$1"/lightning-c-bindings/target/$LDK_TARGET/release/libldk.a -lm
134                 [ "$IS_APPLE_CLANG" != "true" ] && llvm-strip liblightningjni_release$LDK_TARGET_SUFFIX.so
135         fi
136 elif [ "$2" = "python" ]; then
137         echo "Creating Python bindings..."
138         mkdir -p python/src/{enums,structs,impl}
139         rm -f python/src/{enums,structs,impl}/*.py
140         ./genbindings.py "./lightning.h" python/src/impl python/src python/ $DEBUG_ARG python $4 $TARGET_STRING
141         rm -f python/bindings.c
142         if [ "$3" = "true" ]; then
143                 echo "#define LDK_DEBUG_BUILD" > python/bindings.c
144         elif [ "$3" = "leaks" ]; then
145                 # For leak checking we use release libldk which doesn't expose
146                 # __unmangle_inner_ptr, but the C code expects to be able to call it.
147                 echo "#define __unmangle_inner_ptr(a) (a)" > python/bindings.c
148         fi
149         echo "#define LDKCVec_C2Tuple_ThirtyTwoBytesCVec_C2Tuple_u32TxOutZZZZ LDKCVec_TransactionOutputsZ" >> python/bindings.c
150         echo "#define CVec_C2Tuple_ThirtyTwoBytesCVec_C2Tuple_u32TxOutZZZZ_free CVec_TransactionOutputsZ_free" >> python/bindings.c
151         cat python/bindings.c.body >> python/bindings.c
152
153         IS_MAC=false
154         [ "$($CC --version | grep apple-darwin)" != "" ] && IS_MAC=true
155         IS_APPLE_CLANG=false
156         [ "$($CC --version | grep "Apple clang version")" != "" ] && IS_APPLE_CLANG=true
157
158         echo "Building Python bindings..."
159         COMPILE="$COMMON_COMPILE -Isrc/main/jni -pthread -fPIC"
160         LINK="-ldl -shared"
161         [ "$IS_MAC" = "false" ] && LINK="$LINK -Wl,--no-undefined"
162         [ "$IS_MAC" = "true" ] && COMPILE="$COMPILE -mmacosx-version-min=10.9"
163         [ "$IS_MAC" = "true" -a "$IS_APPLE_CLANG" = "false" ] && LINK="$LINK -fuse-ld=lld"
164         [ "$IS_MAC" = "true" -a "$IS_APPLE_CLANG" = "false" ] && echo "WARNING: Need at least upstream clang 13!"
165         [ "$IS_MAC" = "false" -a "$3" != "false" ] && LINK="$LINK -Wl,-wrap,calloc -Wl,-wrap,realloc -Wl,-wrap,malloc -Wl,-wrap,free"
166
167         exit 0 # Sadly compilation doesn't currently work
168         if [ "$3" = "true" ]; then
169                 $COMPILE $LINK -o liblightningpython_debug$LDK_TARGET_SUFFIX.so -g -fsanitize=address -shared-libasan -rdynamic -I"$1"/lightning-c-bindings/include/ $2 c_sharp/bindings.c "$1"/lightning-c-bindings/target/$LDK_TARGET/debug/libldk.a -lm
170         else
171                 $COMPILE -o bindings.o -c -flto -O3 -I"$1"/lightning-c-bindings/include/ $2 c_sharp/bindings.c
172                 $COMPILE $LINK -o liblightningpython_release$LDK_TARGET_SUFFIX.so -Wl,--version-script=python/libcode.version -flto -O3 -Wl,--lto-O3 -Wl,-O3 -I"$1"/lightning-c-bindings/include/ $2 bindings.o "$1"/lightning-c-bindings/target/$LDK_TARGET/release/libldk.a -lm
173                 [ "$IS_APPLE_CLANG" != "true" ] && llvm-strip liblightningpython_release$LDK_TARGET_SUFFIX.so
174         fi
175 elif [ "$2" = "wasm" ]; then
176         echo "Creating TS bindings..."
177         mkdir -p ts/{enums,structs}
178         rm -f ts/{enums,structs,}/*.{mjs,mts,mts.part}
179         if [ "$4" = "false" ]; then
180                 ./genbindings.py "./lightning.h" ts ts ts $DEBUG_ARG typescript node wasm
181         else
182                 ./genbindings.py "./lightning.h" ts ts ts $DEBUG_ARG typescript browser wasm
183         fi
184         rm -f ts/bindings.c
185         sed -i 's/^  "version": .*/  "version": "'${LDK_GARBAGECOLLECTED_GIT_OVERRIDE:1:100}'",/g' ts/package.json
186         sed -i 's/^  "version": .*/  "version": "'${LDK_GARBAGECOLLECTED_GIT_OVERRIDE:1:100}'",/g' node-net/package.json
187         sed -i 's/^    "lightningdevkit": .*/    "lightningdevkit": "'${LDK_GARBAGECOLLECTED_GIT_OVERRIDE:1:100}'"/g' node-net/package.json
188         if [ "$3" = "true" ]; then
189                 echo "#define LDK_DEBUG_BUILD" > ts/bindings.c
190         elif [ "$3" = "leaks" ]; then
191                 # For leak checking we use release libldk which doesn't expose
192                 # __unmangle_inner_ptr, but the C code expects to be able to call it.
193                 echo "#define __unmangle_inner_ptr(a) (a)" > ts/bindings.c
194         fi
195         cat header.c >> ts/bindings.c
196         cat ts/bindings.c.body >> ts/bindings.c
197
198         echo "Building TS bindings..."
199         COMPILE="$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"
200         # We only need malloc and assert/abort, but for now just use WASI for those:
201         EXTRA_LINK=/usr/lib/wasm32-wasi/libc.a
202         [ "$3" != "false" ] && COMPILE="$COMPILE -Wl,-wrap,calloc -Wl,-wrap,realloc -Wl,-wrap,reallocarray -Wl,-wrap,malloc -Wl,-wrap,aligned_alloc -Wl,-wrap,free"
203         if [ "$3" = "true" ]; then
204                 WASM_FILE=liblightningjs_debug.wasm
205                 $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
206         else
207                 WASM_FILE=liblightningjs_release.wasm
208                 $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 $EXTRA_LINK
209         fi
210
211         if [ -x "$(which tsc)" ]; then
212                 cd ts
213                 for F in structs/*; do
214                         cat imports.mts.part | grep -v " $(basename -s .mts $F)[ ,]" | cat - $F > $F.tmp
215                         mv $F.tmp $F
216                 done
217                 rm imports.mts.part
218                 tsc --types node --typeRoots .
219                 cp ../$WASM_FILE liblightningjs.wasm
220                 cp ../README.md README.md
221                 cd ../node-net
222                 tsc --types node --typeRoots .
223                 echo Ready to publish!
224                 if [ -x "$(which node)" ]; then
225                         NODE_V="$(node --version)"
226                         if [ "${NODE_V:1:2}" -gt 14 ]; then
227                                 cd ../ts
228                                 node --stack_trace_limit=200 --trace-uncaught test/node.mjs
229                                 cd ../node-net
230                                 node --stack_trace_limit=200 --trace-uncaught test/test.mjs
231                         fi
232                 fi
233         fi
234 else
235         if is_gnu_sed; then
236                 sed -i "s/^    <version>.*<\/version>/    <version>${LDK_GARBAGECOLLECTED_GIT_OVERRIDE:1:100}<\/version>/g" pom.xml
237         else
238           # OSX sed is for some reason not compatible with GNU sed
239                 sed -i '' "s/^    <version>.*<\/version>/    <version>${LDK_GARBAGECOLLECTED_GIT_OVERRIDE:1:100}<\/version>/g" pom.xml
240         fi
241
242         echo "Creating Java bindings..."
243         mkdir -p src/main/java/org/ldk/{enums,structs}
244         rm -f src/main/java/org/ldk/{enums,structs}/*.java
245         rm -f src/main/jni/*.h
246         if [ "$4" = "true" ]; then
247                 ./genbindings.py "./lightning.h" src/main/java/org/ldk/impl src/main/java/org/ldk src/main/jni/ $DEBUG_ARG android $4 $TARGET_STRING
248         else
249                 ./genbindings.py "./lightning.h" src/main/java/org/ldk/impl src/main/java/org/ldk src/main/jni/ $DEBUG_ARG java $4 $TARGET_STRING
250         fi
251         rm -f src/main/jni/bindings.c
252         if [ "$3" = "true" ]; then
253                 echo "#define LDK_DEBUG_BUILD" > src/main/jni/bindings.c
254         elif [ "$3" = "leaks" ]; then
255                 # For leak checking we use release libldk which doesn't expose
256                 # __unmangle_inner_ptr, but the C code expects to be able to call it.
257                 echo "#define __unmangle_inner_ptr(a) (a)" > src/main/jni/bindings.c
258         fi
259         cat header.c >> src/main/jni/bindings.c
260         cat header.c >> src/main/jni/bindings.c
261         cat src/main/jni/bindings.c.body >> src/main/jni/bindings.c
262         javac -h src/main/jni src/main/java/org/ldk/enums/*.java src/main/java/org/ldk/impl/*.java
263         rm src/main/java/org/ldk/enums/*.class src/main/java/org/ldk/impl/bindings*.class
264
265         echo "Building Java bindings..."
266         COMPILE="$COMMON_COMPILE -Isrc/main/jni -pthread -fPIC"
267         LINK="-ldl -shared"
268         [ "$IS_MAC" = "false" ] && LINK="$LINK -Wl,--no-undefined"
269         [ "$IS_MAC" = "true" ] && COMPILE="$COMPILE -mmacosx-version-min=10.9"
270         [ "$IS_MAC" = "true" -a "$IS_APPLE_CLANG" = "false" ] && LINK="$LINK -fuse-ld=lld"
271         [ "$IS_MAC" = "true" -a "$IS_APPLE_CLANG" = "false" ] && echo "WARNING: Need at least upstream clang 13!"
272         [ "$IS_MAC" = "false" -a "$3" != "false" ] && LINK="$LINK -Wl,-wrap,calloc -Wl,-wrap,realloc -Wl,-wrap,malloc -Wl,-wrap,free"
273         if [ "$3" = "true" ]; then
274                 $COMPILE $LINK -o liblightningjni_debug$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
275         else
276                 [ "$IS_MAC" = "false" ] && LINK="$LINK -Wl,--no-undefined -flto -Wl,-O3 -Wl,--lto-O3"
277                 [ "$IS_MAC" = "false" ] && COMPILE="$COMPILE -flto"
278                 [ "$IS_MAC" = "true" -a "$IS_APPLE_CLANG" = "false" ] && LINK="$LINK -flto -Wl,-O3 -Wl,--lto-O3"
279                 [ "$IS_MAC" = "true" -a "$IS_APPLE_CLANG" = "false" ] && COMPILE="$COMPILE -flto"
280                 LDK_LIB="$1"/lightning-c-bindings/target/$LDK_TARGET/release/libldk.a
281                 if [ "$IS_MAC" = "false" -a "$4" = "false" ]; then
282                         LINK="$LINK -Wl,--version-script=libcode.version -fuse-ld=lld"
283                         # __cxa_thread_atexit_impl is used to more effeciently cleanup per-thread local storage by rust libstd.
284                         # However, it is not available on glibc versions 2.17 or earlier, and rust libstd has a null-check and
285                         # fallback in case it is missing.
286                         # Because it is weak-linked on the rust side, we should be able to simply define it
287                         # explicitly, forcing rust to use the fallback. However, for some reason involving ancient
288                         # dark magic and haunted code segments, overriding the weak symbol only impacts sites which
289                         # *call* the symbol in question, not sites which *compare with* the symbol in question.
290                         # This means that the NULL check in rust's libstd will always think the function is
291                         # callable while the function which is called ends up being NULL (leading to a jmp to the
292                         # zero page and a quick SEGFAULT).
293                         # This issue persists not only with directly providing a symbol, but also ld.lld's -wrap
294                         # and --defsym arguments.
295                         # In smaller programs, it appears to be possible to work around this with -Bsymbolic and
296                         # -nostdlib, however when applied the full-sized JNI library here it no longer works.
297                         # After exhausting nearly every flag documented in lld, the only reliable method appears
298                         # to be editing the LDK binary. Luckily, LLVM's tooling makes this rather easy as we can
299                         # disassemble it into very readable code, edit it, and then reassemble it.
300                         # Note that if we do so we don't have to bother overriding the actual call, LLVM should
301                         # optimize it away, which also provides a good check that there isn't anything actually
302                         # relying on it elsewhere.
303                         [ ! -f "$1"/lightning-c-bindings/target/$LDK_TARGET/release/libldk.a ] && exit 1
304                         if [ "$(ar t "$1"/lightning-c-bindings/target/$LDK_TARGET/release/libldk.a | grep -v "\.o$" || echo)" != "" ]; then
305                                 echo "Archive contained non-object files!"
306                                 exit 1
307                         fi
308                         if [ "$(ar t "$1"/lightning-c-bindings/target/$LDK_TARGET/release/libldk.a | grep ldk.*-cgu.*.rcgu.o | wc -l)" != "1" ]; then
309                                 echo "Archive contained more than one LDK object file"
310                                 exit 1
311                         fi
312                         mkdir -p tmp
313                         rm -f tmp/*
314                         ar x --output=tmp "$1"/lightning-c-bindings/target/$LDK_TARGET/release/libldk.a
315                         pushd tmp
316                         llvm-dis ldk*-cgu.*.rcgu.o
317                         sed -i 's/br i1 icmp eq (i8\* @__cxa_thread_atexit_impl, i8\* null)/br i1 icmp eq (i8* null, i8* null)/g' ldk*-cgu.*.rcgu.o.ll
318                         llvm-as ldk*-cgu.*.rcgu.o.ll -o ./libldk.bc
319                         ar q libldk.a *.o
320                         popd
321                         LDK_LIB="tmp/libldk.bc tmp/libldk.a"
322                 fi
323                 $COMPILE -o bindings.o -c -O3 -I"$1"/lightning-c-bindings/include/ $2 src/main/jni/bindings.c
324                 $COMPILE $LINK -o liblightningjni_release$LDK_TARGET_SUFFIX.so -O3 -I"$1"/lightning-c-bindings/include/ $2 bindings.o $LDK_LIB -lm
325                 [ "$IS_APPLE_CLANG" != "true" ] && llvm-strip liblightningjni_release$LDK_TARGET_SUFFIX.so
326                 if [ "$IS_MAC" = "false" -a "$4" = "false" ]; then
327                         GLIBC_SYMBS="$(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)"
328                         if [ "$GLIBC_SYMBS" != "" ]; then
329                                 echo "Unexpected glibc version dependency! Some users need glibc 2.17 support, symbols for newer glibcs cannot be included."
330                                 echo "$GLIBC_SYMBS"
331                                 exit 1
332                         fi
333                         REALLOC_ARRAY_SYMBS="$(objdump -T liblightningjni_release$LDK_TARGET_SUFFIX.so | grep reallocarray || echo)"
334                         if [ "$REALLOC_ARRAY_SYMBS" != "" ]; then
335                                 echo "Unexpected reallocarray dependency!"
336                                 exit 1
337                         fi
338                 fi
339                 if [ "$LDK_JAR_TARGET" = "true" ]; then
340                         # Copy to JNI native directory for inclusion in JARs
341                         mkdir -p src/main/resources/
342                         cp liblightningjni_release$LDK_TARGET_SUFFIX.so src/main/resources/liblightningjni$LDK_TARGET_SUFFIX.nativelib
343                 fi
344         fi
345 fi