git.bitcoin.ninja Git - ldk-java/blob - 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