_ 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         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)="
  25 else
  26         CC=clang
  27         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)="
  28 fi
  29
  30 DEBUG_ARG="$3"
  31 if [ "$3" = "leaks" ]; then
  32         DEBUG_ARG="true"
  33 fi
  34
  35 cp "$1/lightning-c-bindings/include/lightning.h" ./
  36 if is_gnu_sed; then
  37         sed -i "s/TransactionOutputs/C2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ/g" ./lightning.h
  38 else
  39   # OSX sed is for some reason not compatible with GNU sed
  40         sed -i '' "s/TransactionOutputs/C2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ/g" ./lightning.h
  41 fi
  42
  43 if [ "$LDK_GARBAGECOLLECTED_GIT_OVERRIDE" = "" ]; then
  44         export LDK_GARBAGECOLLECTED_GIT_OVERRIDE=$(git describe --tag --dirty)
  45 fi
  46 if [ "${LDK_GARBAGECOLLECTED_GIT_OVERRIDE:0:1}" != "v" ]; then
  47         echo "Version tag should start with a v" > /dev/stderr
  48         exit 1
  49 fi
  50
  51
  52 if [ "$2" = "c_sharp" ]; then
  53         TARGET_STRING="$LDK_TARGET"
  54         if [ "$TARGET_STRING" = "" ]; then
  55                 # We assume clang-style $CC --version here, but worst-case we just get an empty suffix
  56                 TARGET_STRING="$($CC --version | grep Target | awk '{ print $2 }')"
  57         fi
  58         case "$TARGET_STRING" in
  59                 "x86_64-pc-linux"*)
  60                         LDK_TARGET_SUFFIX="_Linux-amd64"
  61                         LDK_JAR_TARGET=true
  62                         ;;
  63                 "x86_64-apple-darwin"*)
  64                         LDK_TARGET_SUFFIX="_MacOSX-x86_64"
  65                         LDK_JAR_TARGET=true
  66                         ;;
  67                 "aarch64-apple-darwin"*)
  68                         LDK_TARGET_CPU="apple-a14"
  69                         LDK_TARGET_SUFFIX="_MacOSX-aarch64"
  70                         LDK_JAR_TARGET=true
  71                         ;;
  72                 *)
  73                         LDK_TARGET_SUFFIX="_${TARGET_STRING}"
  74         esac
  75         if [ "$LDK_TARGET_CPU" = "" ]; then
  76                 LDK_TARGET_CPU="sandybridge"
  77         fi
  78
  79         echo "Creating C# bindings..."
  80         mkdir -p c_sharp/src/org/ldk/{enums,structs,impl}
  81         rm -f c_sharp/src/org/ldk/{enums,structs,impl}/*.cs
  82         ./genbindings.py "./lightning.h" c_sharp/src/org/ldk/impl c_sharp/src/org/ldk c_sharp/ $DEBUG_ARG c_sharp $4
  83         rm -f c_sharp/bindings.c
  84         if [ "$3" = "true" ]; then
  85                 echo "#define LDK_DEBUG_BUILD" > c_sharp/bindings.c
  86         elif [ "$3" = "leaks" ]; then
  87                 # For leak checking we use release libldk which doesn't expose
  88                 # __unmangle_inner_ptr, but the C code expects to be able to call it.
  89                 echo "#define __unmangle_inner_ptr(a) (a)" > c_sharp/bindings.c
  90         fi
  91         echo "#define LDKCVec_C2Tuple_TxidCVec_C2Tuple_u32TxOutZZZZ LDKCVec_TransactionOutputsZ" >> c_sharp/bindings.c
  92         echo "#define CVec_C2Tuple_TxidCVec_C2Tuple_u32TxOutZZZZ_free CVec_TransactionOutputsZ_free" >> c_sharp/bindings.c
  93         cat c_sharp/bindings.c.body >> c_sharp/bindings.c
  94
  95         IS_MAC=false
  96         [ "$($CC --version | grep apple-darwin)" != "" ] && IS_MAC=true
  97         IS_APPLE_CLANG=false
  98         [ "$($CC --version | grep "Apple clang version")" != "" ] && IS_APPLE_CLANG=true
  99
 100         # Compiling C# bindings with Mono
 101         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"
 102         if [ "$3" = "true" ]; then
 103                 mono-csc $MONO_COMPILE
 104         else
 105                 mono-csc -o $MONO_COMPILE
 106         fi
 107
 108         mv ./-out:csharpldk.dll csharpldk.dll # Mono is braindead, apparently
 109
 110         echo "Building C# bindings..."
 111         COMPILE="$COMMON_COMPILE -mcpu=$LDK_TARGET_CPU -Isrc/main/jni -pthread -fPIC"
 112         LINK="-ldl -shared"
 113         [ "$IS_MAC" = "false" ] && LINK="$LINK -Wl,--no-undefined"
 114         [ "$IS_MAC" = "true" ] && COMPILE="$COMPILE -mmacosx-version-min=10.9"
 115         [ "$IS_MAC" = "true" -a "$IS_APPLE_CLANG" = "false" ] && LINK="$LINK -fuse-ld=lld"
 116         [ "$IS_MAC" = "true" -a "$IS_APPLE_CLANG" = "false" ] && echo "WARNING: Need at least upstream clang 13!"
 117         [ "$IS_MAC" = "false" -a "$3" != "false" ] && LINK="$LINK -Wl,-wrap,calloc -Wl,-wrap,realloc -Wl,-wrap,malloc -Wl,-wrap,free"
 118
 119         exit 0 # Sadly compilation doesn't currently work
 120         if [ "$3" = "true" ]; then
 121                 $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
 122         else
 123                 $COMPILE -o bindings.o -c -flto -O3 -I"$1"/lightning-c-bindings/include/ $2 c_sharp/bindings.c
 124                 $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
 125                 llvm-strip liblightningjni_release$LDK_TARGET_SUFFIX.so
 126         fi
 127 elif [ "$2" = "python" ]; then
 128         TARGET_STRING="$LDK_TARGET"
 129         if [ "$TARGET_STRING" = "" ]; then
 130                 # We assume clang-style $CC --version here, but worst-case we just get an empty suffix
 131                 TARGET_STRING="$($CC --version | grep Target | awk '{ print $2 }')"
 132         fi
 133         case "$TARGET_STRING" in
 134                 "x86_64-pc-linux"*)
 135                         LDK_TARGET_SUFFIX="_Linux-amd64"
 136                         LDK_JAR_TARGET=true
 137                         ;;
 138                 "x86_64-apple-darwin"*)
 139                         LDK_TARGET_SUFFIX="_MacOSX-x86_64"
 140                         LDK_JAR_TARGET=true
 141                         ;;
 142                 "aarch64-apple-darwin"*)
 143                         LDK_TARGET_CPU="apple-a14"
 144                         LDK_TARGET_SUFFIX="_MacOSX-aarch64"
 145                         LDK_JAR_TARGET=true
 146                         ;;
 147                 *)
 148                         LDK_TARGET_SUFFIX="_${TARGET_STRING}"
 149         esac
 150         if [ "$LDK_TARGET_CPU" = "" ]; then
 151                 LDK_TARGET_CPU="sandybridge"
 152         fi
 153
 154         echo "Creating Python bindings..."
 155         mkdir -p python/src/{enums,structs,impl}
 156         rm -f python/src/{enums,structs,impl}/*.py
 157         ./genbindings.py "./lightning.h" python/src/impl python/src python/ $DEBUG_ARG python $4
 158         rm -f python/bindings.c
 159         if [ "$3" = "true" ]; then
 160                 echo "#define LDK_DEBUG_BUILD" > python/bindings.c
 161         elif [ "$3" = "leaks" ]; then
 162                 # For leak checking we use release libldk which doesn't expose
 163                 # __unmangle_inner_ptr, but the C code expects to be able to call it.
 164                 echo "#define __unmangle_inner_ptr(a) (a)" > python/bindings.c
 165         fi
 166         echo "#define LDKCVec_C2Tuple_TxidCVec_C2Tuple_u32TxOutZZZZ LDKCVec_TransactionOutputsZ" >> python/bindings.c
 167         echo "#define CVec_C2Tuple_TxidCVec_C2Tuple_u32TxOutZZZZ_free CVec_TransactionOutputsZ_free" >> python/bindings.c
 168         cat python/bindings.c.body >> python/bindings.c
 169
 170         IS_MAC=false
 171         [ "$($CC --version | grep apple-darwin)" != "" ] && IS_MAC=true
 172         IS_APPLE_CLANG=false
 173         [ "$($CC --version | grep "Apple clang version")" != "" ] && IS_APPLE_CLANG=true
 174
 175         echo "Building Python bindings..."
 176         COMPILE="$COMMON_COMPILE -mcpu=$LDK_TARGET_CPU -Isrc/main/jni -pthread -fPIC"
 177         LINK="-ldl -shared"
 178         [ "$IS_MAC" = "false" ] && LINK="$LINK -Wl,--no-undefined"
 179         [ "$IS_MAC" = "true" ] && COMPILE="$COMPILE -mmacosx-version-min=10.9"
 180         [ "$IS_MAC" = "true" -a "$IS_APPLE_CLANG" = "false" ] && LINK="$LINK -fuse-ld=lld"
 181         [ "$IS_MAC" = "true" -a "$IS_APPLE_CLANG" = "false" ] && echo "WARNING: Need at least upstream clang 13!"
 182         [ "$IS_MAC" = "false" -a "$3" != "false" ] && LINK="$LINK -Wl,-wrap,calloc -Wl,-wrap,realloc -Wl,-wrap,malloc -Wl,-wrap,free"
 183
 184         exit 0 # Sadly compilation doesn't currently work
 185         if [ "$3" = "true" ]; then
 186                 $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
 187         else
 188                 $COMPILE -o bindings.o -c -flto -O3 -I"$1"/lightning-c-bindings/include/ $2 c_sharp/bindings.c
 189                 $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
 190                 llvm-strip liblightningpython_release$LDK_TARGET_SUFFIX.so
 191         fi
 192 elif [ "$2" = "wasm" ]; then
 193         echo "Creating TS bindings..."
 194         mkdir -p ts/{enums,structs}
 195         rm -f ts/{enums,structs,}/*.{mjs,mts,mts.part}
 196         if [ "$4" = "false" ]; then
 197                 ./genbindings.py "./lightning.h" ts ts ts $DEBUG_ARG typescript node
 198         else
 199                 ./genbindings.py "./lightning.h" ts ts ts $DEBUG_ARG typescript browser
 200         fi
 201         rm -f ts/bindings.c
 202         sed -i 's/^  "version": .*/  "version": "'${LDK_GARBAGECOLLECTED_GIT_OVERRIDE:1:100}'",/g' ts/package.json
 203         sed -i 's/^  "version": .*/  "version": "'${LDK_GARBAGECOLLECTED_GIT_OVERRIDE:1:100}'",/g' node-net/package.json
 204         sed -i 's/^    "lightningdevkit": .*/    "lightningdevkit": "'${LDK_GARBAGECOLLECTED_GIT_OVERRIDE:1:100}'"/g' node-net/package.json
 205         if [ "$3" = "true" ]; then
 206                 echo "#define LDK_DEBUG_BUILD" > ts/bindings.c
 207         elif [ "$3" = "leaks" ]; then
 208                 # For leak checking we use release libldk which doesn't expose
 209                 # __unmangle_inner_ptr, but the C code expects to be able to call it.
 210                 echo "#define __unmangle_inner_ptr(a) (a)" > ts/bindings.c
 211         fi
 212         echo "#define LDKCVec_C2Tuple_TxidCVec_C2Tuple_u32TxOutZZZZ LDKCVec_TransactionOutputsZ" >> ts/bindings.c
 213         echo "#define CVec_C2Tuple_TxidCVec_C2Tuple_u32TxOutZZZZ_free CVec_TransactionOutputsZ_free" >> ts/bindings.c
 214         cat ts/bindings.c.body >> ts/bindings.c
 215
 216         echo "Building TS bindings..."
 217         COMPILE="$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"
 218         # We only need malloc and assert/abort, but for now just use WASI for those:
 219         EXTRA_LINK=/usr/lib/wasm32-wasi/libc.a
 220         [ "$3" != "false" ] && COMPILE="$COMPILE -Wl,-wrap,calloc -Wl,-wrap,realloc -Wl,-wrap,reallocarray -Wl,-wrap,malloc -Wl,-wrap,aligned_alloc -Wl,-wrap,free"
 221         if [ "$3" = "true" ]; then
 222                 WASM_FILE=liblightningjs_debug.wasm
 223                 $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
 224         else
 225                 WASM_FILE=liblightningjs_release.wasm
 226                 $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 $EXTRA_LINK
 227         fi
 228
 229         if [ -x "$(which tsc)" ]; then
 230                 cd ts
 231                 for F in structs/*; do
 232                         cat imports.mts.part | grep -v " $(basename -s .mts $F)[ ,]" | cat - $F > $F.tmp
 233                         mv $F.tmp $F
 234                 done
 235                 rm imports.mts.part
 236                 tsc --types node --typeRoots .
 237                 cp ../$WASM_FILE liblightningjs.wasm
 238                 cp ../README.md README.md
 239                 cd ../node-net
 240                 tsc --types node --typeRoots .
 241                 echo Ready to publish!
 242                 if [ -x "$(which node)" ]; then
 243                         NODE_V="$(node --version)"
 244                         if [ "${NODE_V:1:2}" -gt 14 ]; then
 245                                 cd ../ts
 246                                 node --stack_trace_limit=200 --trace-uncaught test/node.mjs
 247                                 cd ../node-net
 248                                 node --stack_trace_limit=200 --trace-uncaught test/test.mjs
 249                         fi
 250                 fi
 251         fi
 252 else
 253         TARGET_STRING="$LDK_TARGET"
 254         if [ "$TARGET_STRING" = "" ]; then
 255                 # We assume clang-style $CC --version here, but worst-case we just get an empty suffix
 256                 TARGET_STRING="$($CC --version | grep Target | awk '{ print $2 }')"
 257         fi
 258         case "$TARGET_STRING" in
 259                 "x86_64-pc-linux"*)
 260                         LDK_TARGET_SUFFIX="_Linux-amd64"
 261                         LDK_JAR_TARGET=true
 262                         ;;
 263                 "x86_64-apple-darwin"*)
 264                         LDK_TARGET_SUFFIX="_MacOSX-x86_64"
 265                         LDK_JAR_TARGET=true
 266                         ;;
 267                 "aarch64-apple-darwin"*)
 268                         LDK_TARGET_CPU="apple-a14"
 269                         LDK_TARGET_SUFFIX="_MacOSX-aarch64"
 270                         LDK_JAR_TARGET=true
 271                         ;;
 272                 *)
 273                         LDK_TARGET_SUFFIX="_${TARGET_STRING}"
 274         esac
 275         if [ "$LDK_TARGET_CPU" = "" ]; then
 276                 LDK_TARGET_CPU="sandybridge"
 277         fi
 278
 279         if is_gnu_sed; then
 280                 sed -i "s/^    <version>.*<\/version>/    <version>${LDK_GARBAGECOLLECTED_GIT_OVERRIDE:1:100}<\/version>/g" pom.xml
 281         else
 282           # OSX sed is for some reason not compatible with GNU sed
 283                 sed -i '' "s/^    <version>.*<\/version>/    <version>${LDK_GARBAGECOLLECTED_GIT_OVERRIDE:1:100}<\/version>/g" pom.xml
 284         fi
 285
 286         echo "Creating Java bindings..."
 287         mkdir -p src/main/java/org/ldk/{enums,structs}
 288         rm -f src/main/java/org/ldk/{enums,structs}/*.java
 289         rm -f src/main/jni/*.h
 290         if [ "$4" = "true" ]; then
 291                 ./genbindings.py "./lightning.h" src/main/java/org/ldk/impl src/main/java/org/ldk src/main/jni/ $DEBUG_ARG android $4
 292         else
 293                 ./genbindings.py "./lightning.h" src/main/java/org/ldk/impl src/main/java/org/ldk src/main/jni/ $DEBUG_ARG java $4
 294         fi
 295         rm -f src/main/jni/bindings.c
 296         if [ "$3" = "true" ]; then
 297                 echo "#define LDK_DEBUG_BUILD" > src/main/jni/bindings.c
 298         elif [ "$3" = "leaks" ]; then
 299                 # For leak checking we use release libldk which doesn't expose
 300                 # __unmangle_inner_ptr, but the C code expects to be able to call it.
 301                 echo "#define __unmangle_inner_ptr(a) (a)" > src/main/jni/bindings.c
 302         fi
 303         echo "#define LDKCVec_C2Tuple_TxidCVec_C2Tuple_u32TxOutZZZZ LDKCVec_TransactionOutputsZ" >> src/main/jni/bindings.c
 304         echo "#define CVec_C2Tuple_TxidCVec_C2Tuple_u32TxOutZZZZ_free CVec_TransactionOutputsZ_free" >> src/main/jni/bindings.c
 305         cat src/main/jni/bindings.c.body >> src/main/jni/bindings.c
 306         javac -h src/main/jni src/main/java/org/ldk/enums/*.java src/main/java/org/ldk/impl/*.java
 307         rm src/main/java/org/ldk/enums/*.class src/main/java/org/ldk/impl/bindings*.class
 308
 309         IS_MAC=false
 310         [ "$($CC --version | grep apple-darwin)" != "" ] && IS_MAC=true
 311         IS_APPLE_CLANG=false
 312         [ "$($CC --version | grep "Apple clang version")" != "" ] && IS_APPLE_CLANG=true
 313
 314         echo "Building Java bindings..."
 315         COMPILE="$COMMON_COMPILE -mcpu=$LDK_TARGET_CPU -Isrc/main/jni -pthread -fPIC"
 316         LINK="-ldl -shared"
 317         [ "$IS_MAC" = "false" ] && LINK="$LINK -Wl,--no-undefined"
 318         [ "$IS_MAC" = "true" ] && COMPILE="$COMPILE -mmacosx-version-min=10.9"
 319         [ "$IS_MAC" = "true" -a "$IS_APPLE_CLANG" = "false" ] && LINK="$LINK -fuse-ld=lld"
 320         [ "$IS_MAC" = "true" -a "$IS_APPLE_CLANG" = "false" ] && echo "WARNING: Need at least upstream clang 13!"
 321         [ "$IS_MAC" = "false" -a "$3" != "false" ] && LINK="$LINK -Wl,-wrap,calloc -Wl,-wrap,realloc -Wl,-wrap,malloc -Wl,-wrap,free"
 322         if [ "$3" = "true" ]; then
 323                 $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
 324         else
 325                 LDK_LIB="$1"/lightning-c-bindings/target/$LDK_TARGET/release/libldk.a
 326                 if [ "$IS_MAC" = "false" -a "$4" = "false" ]; then
 327                         LINK="$LINK -Wl,--version-script=libcode.version -fuse-ld=lld"
 328                         # __cxa_thread_atexit_impl is used to more effeciently cleanup per-thread local storage by rust libstd.
 329                         # However, it is not available on glibc versions 2.17 or earlier, and rust libstd has a null-check and
 330                         # fallback in case it is missing.
 331                         # Because it is weak-linked on the rust side, we should be able to simply define it
 332                         # explicitly, forcing rust to use the fallback. However, for some reason involving ancient
 333                         # dark magic and haunted code segments, overriding the weak symbol only impacts sites which
 334                         # *call* the symbol in question, not sites which *compare with* the symbol in question.
 335                         # This means that the NULL check in rust's libstd will always think the function is
 336                         # callable while the function which is called ends up being NULL (leading to a jmp to the
 337                         # zero page and a quick SEGFAULT).
 338                         # This issue persists not only with directly providing a symbol, but also ld.lld's -wrap
 339                         # and --defsym arguments.
 340                         # In smaller programs, it appears to be possible to work around this with -Bsymbolic and
 341                         # -nostdlib, however when applied the full-sized JNI library here it no longer works.
 342                         # After exhausting nearly every flag documented in lld, the only reliable method appears
 343                         # to be editing the LDK binary. Luckily, LLVM's tooling makes this rather easy as we can
 344                         # disassemble it into very readable code, edit it, and then reassemble it.
 345                         # Note that if we do so we don't have to bother overriding the actual call, LLVM should
 346                         # optimize it away, which also provides a good check that there isn't anything actually
 347                         # relying on it elsewhere.
 348                         [ ! -f "$1"/lightning-c-bindings/target/$LDK_TARGET/release/libldk.a ] && exit 1
 349                         if [ "$(ar t "$1"/lightning-c-bindings/target/$LDK_TARGET/release/libldk.a | grep -v "\.o$" || echo)" != "" ]; then
 350                                 echo "Archive contained non-object files!"
 351                                 exit 1
 352                         fi
 353                         if [ "$(ar t "$1"/lightning-c-bindings/target/$LDK_TARGET/release/libldk.a | grep ldk.*-cgu.*.rcgu.o | wc -l)" != "1" ]; then
 354                                 echo "Archive contained more than one LDK object file"
 355                                 exit 1
 356                         fi
 357                         mkdir -p tmp
 358                         rm -f tmp/*
 359                         ar x --output=tmp "$1"/lightning-c-bindings/target/$LDK_TARGET/release/libldk.a
 360                         pushd tmp
 361                         llvm-dis ldk*-cgu.*.rcgu.o
 362                         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
 363                         llvm-as ldk*-cgu.*.rcgu.o.ll -o ./libldk.bc
 364                         ar q libldk.a *.o
 365                         popd
 366                         LDK_LIB="tmp/libldk.bc tmp/libldk.a"
 367                 fi
 368                 $COMPILE -o bindings.o -c -flto -O3 -I"$1"/lightning-c-bindings/include/ $2 src/main/jni/bindings.c
 369                 $COMPILE $LINK -o liblightningjni_release$LDK_TARGET_SUFFIX.so -flto -Wl,--lto-O3 -Wl,-O3 -O3 -I"$1"/lightning-c-bindings/include/ $2 bindings.o $LDK_LIB -lm
 370                 llvm-strip liblightningjni_release$LDK_TARGET_SUFFIX.so
 371                 if [ "$IS_MAC" = "false" -a "$4" = "false" ]; then
 372                         GLIBC_SYMBS="$(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)"
 373                         if [ "$GLIBC_SYMBS" != "" ]; then
 374                                 echo "Unexpected glibc version dependency! Some users need glibc 2.17 support, symbols for newer glibcs cannot be included."
 375                                 echo "$GLIBC_SYMBS"
 376                                 exit 1
 377                         fi
 378                         REALLOC_ARRAY_SYMBS="$(objdump -T liblightningjni_release$LDK_TARGET_SUFFIX.so | grep reallocarray || echo)"
 379                         if [ "$REALLOC_ARRAY_SYMBS" != "" ]; then
 380                                 echo "Unexpected reallocarray dependency!"
 381                                 exit 1
 382                         fi
 383                 fi
 384                 if [ "$LDK_JAR_TARGET" = "true" ]; then
 385                         # Copy to JNI native directory for inclusion in JARs
 386                         mkdir -p src/main/resources/
 387                         cp liblightningjni_release$LDK_TARGET_SUFFIX.so src/main/resources/liblightningjni$LDK_TARGET_SUFFIX.nativelib
 388                 fi
 389         fi
 390 fi