[Python] Add python bindings hooks

[ldk-java] / genbindings.sh

diff --git a/genbindings.sh b/genbindings.sh
index ed326fcc040d8209a7a8a7ac44fa8ec43f10e37d..e2952f7306a49326d100b82dbf0a450915d1ead3 100755 (executable)
--- a/genbindings.sh
+++ b/genbindings.sh
@@ -121,9 +121,74 @@ if [ "$2" = "c_sharp" ]; then
                $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
        else
                $COMPILE -o bindings.o -c -flto -O3 -I"$1"/lightning-c-bindings/include/ $2 c_sharp/bindings.c
-               $COMPILE $LINK -o liblightningjni_release$LDK_TARGET_SUFFIX.so -Wl,--version-script=c_sharp/libcode.version -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
+               $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
                llvm-strip liblightningjni_release$LDK_TARGET_SUFFIX.so
        fi
+elif [ "$2" = "python" ]; then
+       TARGET_STRING="$LDK_TARGET"
+       if [ "$TARGET_STRING" = "" ]; then
+               # We assume clang-style $CC --version here, but worst-case we just get an empty suffix
+               TARGET_STRING="$($CC --version | grep Target | awk '{ print $2 }')"
+       fi
+       case "$TARGET_STRING" in
+               "x86_64-pc-linux"*)
+                       LDK_TARGET_SUFFIX="_Linux-amd64"
+                       LDK_JAR_TARGET=true
+                       ;;
+               "x86_64-apple-darwin"*)
+                       LDK_TARGET_SUFFIX="_MacOSX-x86_64"
+                       LDK_JAR_TARGET=true
+                       ;;
+               "aarch64-apple-darwin"*)
+                       LDK_TARGET_CPU="apple-a14"
+                       LDK_TARGET_SUFFIX="_MacOSX-aarch64"
+                       LDK_JAR_TARGET=true
+                       ;;
+               *)
+                       LDK_TARGET_SUFFIX="_${TARGET_STRING}"
+       esac
+       if [ "$LDK_TARGET_CPU" = "" ]; then
+               LDK_TARGET_CPU="sandybridge"
+       fi
+
+       echo "Creating Python bindings..."
+       mkdir -p python/src/{enums,structs,impl}
+       rm -f python/src/{enums,structs,impl}/*.py
+       ./genbindings.py "./lightning.h" python/src/impl python/src python/ $DEBUG_ARG python $4
+       rm -f python/bindings.c
+       if [ "$3" = "true" ]; then
+               echo "#define LDK_DEBUG_BUILD" > python/bindings.c
+       elif [ "$3" = "leaks" ]; then
+               # For leak checking we use release libldk which doesn't expose
+               # __unmangle_inner_ptr, but the C code expects to be able to call it.
+               echo "#define __unmangle_inner_ptr(a) (a)" > python/bindings.c
+       fi
+       echo "#define LDKCVec_C2Tuple_TxidCVec_C2Tuple_u32TxOutZZZZ LDKCVec_TransactionOutputsZ" >> python/bindings.c
+       echo "#define CVec_C2Tuple_TxidCVec_C2Tuple_u32TxOutZZZZ_free CVec_TransactionOutputsZ_free" >> python/bindings.c
+       cat python/bindings.c.body >> python/bindings.c
+
+       IS_MAC=false
+       [ "$($CC --version | grep apple-darwin)" != "" ] && IS_MAC=true
+       IS_APPLE_CLANG=false
+       [ "$($CC --version | grep "Apple clang version")" != "" ] && IS_APPLE_CLANG=true
+
+       echo "Building Python bindings..."
+       COMPILE="$COMMON_COMPILE -mcpu=$LDK_TARGET_CPU -Isrc/main/jni -pthread -fPIC"
+       LINK="-ldl -shared"
+       [ "$IS_MAC" = "false" ] && LINK="$LINK -Wl,--no-undefined"
+       [ "$IS_MAC" = "true" ] && COMPILE="$COMPILE -mmacosx-version-min=10.9"
+       [ "$IS_MAC" = "true" -a "$IS_APPLE_CLANG" = "false" ] && LINK="$LINK -fuse-ld=lld"
+       [ "$IS_MAC" = "true" -a "$IS_APPLE_CLANG" = "false" ] && echo "WARNING: Need at least upstream clang 13!"
+       [ "$IS_MAC" = "false" -a "$3" != "false" ] && LINK="$LINK -Wl,-wrap,calloc -Wl,-wrap,realloc -Wl,-wrap,malloc -Wl,-wrap,free"
+
+       exit 0 # Sadly compilation doesn't currently work
+       if [ "$3" = "true" ]; then
+               $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
+       else
+               $COMPILE -o bindings.o -c -flto -O3 -I"$1"/lightning-c-bindings/include/ $2 c_sharp/bindings.c
+               $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
+               llvm-strip liblightningpython_release$LDK_TARGET_SUFFIX.so
+       fi
 elif [ "$2" = "wasm" ]; then
        echo "Creating TS bindings..."
        mkdir -p ts/{enums,structs}