[C#,Java] Fix building on OSX due to bug in latest ld64.lld/clang

Author: TheBlueMatt

genbindings.sh

@@ -108,18 +108,21 @@ if [ "$2" = "c_sharp" ]; then
 	mv ./-out:csharpldk.dll csharpldk.dll # Mono is braindead, apparently
 
 	echo "Building C# bindings..."
-	COMPILE="$COMMON_COMPILE -mcpu=$LDK_TARGET_CPU -Isrc/main/jni -pthread -ldl -shared -fPIC"
+	COMPILE="$COMMON_COMPILE -mcpu=$LDK_TARGET_CPU -Isrc/main/jni -pthread -fPIC"
+	LINK="-ldl -shared"
 	[ "$IS_MAC" = "false" ] && COMPILE="$COMPILE -Wl,--no-undefined"
 	[ "$IS_MAC" = "true" ] && COMPILE="$COMPILE -mmacosx-version-min=10.9"
-	[ "$IS_MAC" = "true" -a "$IS_APPLE_CLANG" = "false" ] && COMPILE="$COMPILE -fuse-ld=lld"
+	[ "$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 "$3" != "false" ] && COMPILE="$COMPILE -Wl,-wrap,calloc -Wl,-wrap,realloc -Wl,-wrap,malloc -Wl,-wrap,free"
 
 	exit 0 # Sadly compilation doesn't currently work
 	if [ "$3" = "true" ]; then
-		$COMPILE -o liblightningjni_debug$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
+		$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
-		$COMPILE -o liblightningjni_release$LDK_TARGET_SUFFIX.so -s -flto -O3 -Wl,--version-script=c_sharp/libcode.version -I"$1"/lightning-c-bindings/include/ $2 c_sharp/bindings.c "$1"/lightning-c-bindings/target/$LDK_TARGET/release/libldk.a -lm
+		$COMPILE -o bindings.o -c -flto -O3 -Wl,--version-script=c_sharp/libcode.version -I"$1"/lightning-c-bindings/include/ $2 c_sharp/bindings.c
+		$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 [ "$2" = "wasm" ]; then
 	echo "Creating TS bindings..."
@@ -244,14 +247,15 @@ else
 	[ "$($CC --version | grep "Apple clang version")" != "" ] && IS_APPLE_CLANG=true
 
 	echo "Building Java bindings..."
-	COMPILE="$COMMON_COMPILE -mcpu=$LDK_TARGET_CPU -Isrc/main/jni -pthread -ldl -shared -fPIC"
+	COMPILE="$COMMON_COMPILE -mcpu=$LDK_TARGET_CPU -Isrc/main/jni -pthread -fPIC"
+	LINK="-ldl -shared"
 	[ "$IS_MAC" = "false" ] && COMPILE="$COMPILE -Wl,--no-undefined"
 	[ "$IS_MAC" = "true" ] && COMPILE="$COMPILE -mmacosx-version-min=10.9"
-	[ "$IS_MAC" = "true" -a "$IS_APPLE_CLANG" = "false" ] && COMPILE="$COMPILE -fuse-ld=lld"
+	[ "$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 "$3" != "false" ] && COMPILE="$COMPILE -Wl,-wrap,calloc -Wl,-wrap,realloc -Wl,-wrap,malloc -Wl,-wrap,free"
 	if [ "$3" = "true" ]; then
-		$COMPILE -o liblightningjni_debug$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
+		$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
 	else
 		LDK_LIB="$1"/lightning-c-bindings/target/$LDK_TARGET/release/libldk.a
 		if [ "$IS_MAC" = "false" -a "$4" = "false" ]; then
@@ -296,7 +300,9 @@ else
 			popd
 			LDK_LIB="tmp/libldk.bc tmp/libldk.a"
 		fi
-		$COMPILE -o liblightningjni_release$LDK_TARGET_SUFFIX.so -s -flto -O3 -I"$1"/lightning-c-bindings/include/ $2 src/main/jni/bindings.c $LDK_LIB -lm
+		$COMPILE -o bindings.o -c -flto -O3 -I"$1"/lightning-c-bindings/include/ $2 src/main/jni/bindings.c
+		$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 $LDK_LIB -lm
+		llvm-strip liblightningjni_release$LDK_TARGET_SUFFIX.so
 		if [ "$IS_MAC" = "false" -a "$4" = "false" ]; then
 			GLIBC_SYMBS="$(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)"
 			if [ "$GLIBC_SYMBS" != "" ]; then