fix --fat-binary-m1 option

even though the preload library was built correctly, the LDFLAGS set
weren't passed to the main proxychains4 binary, resulting in link
errors against the fat object files.

closes rofl0r#452

Makefile

@@ -93,14 +93,14 @@ src/version.o: src/version.h
 	$(CC) $(CPPFLAGS) $(CFLAGS) $(CFLAGS_MAIN) $(INC) $(PIC) -c -o $@ $<
 
 $(LDSO_PATHNAME): $(LOBJS)
-	$(CC) $(LDFLAGS) $(LD_SET_SONAME)$(LDSO_PATHNAME) $(USER_LDFLAGS) \
-		-shared -o $@ $^ $(SOCKET_LIBS)
+	$(CC) $(LDFLAGS) $(FAT_LDFLAGS) $(LD_SET_SONAME)$(LDSO_PATHNAME) \
+		$(USER_LDFLAGS) -shared -o $@ $^ $(SOCKET_LIBS)
 
 $(PXCHAINS): $(OBJS)
-	$(CC) $^ $(USER_LDFLAGS) $(LIBDL) -o $@
+	$(CC) $^ $(FAT_LDFLAGS) $(USER_LDFLAGS) $(LIBDL) -o $@
 
 $(PXCHAINS_D): $(DOBJS)
-	$(CC) $^ $(USER_LDFLAGS) -o $@
+	$(CC) $^ $(FAT_LDFLAGS) $(USER_LDFLAGS) -o $@
 
 
 .PHONY: all clean install install-config install-libs install-tools install-zsh-completion

configure

@@ -278,12 +278,12 @@ if ismac ; then
 	if ismac64 && [ "$fat_binary" = 1 ] ; then
 		echo "Configuring a fat binary for i386 and x86_64"
 		echo "MAC_CFLAGS+=-arch i386 -arch x86_64">>config.mak
-		echo "LDFLAGS+=-arch i386 -arch x86_64">>config.mak
+		echo "FAT_LDFLAGS=-arch i386 -arch x86_64">>config.mak
 	fi
 	if [ "$fat_binary_m1" = 1 ] ; then
 		echo "Configuring a fat binary for arm64e and x86_64"
 		echo "MAC_CFLAGS+=-arch arm64e -arch x86_64">>config.mak
-		echo "LDFLAGS+=-arch arm64e -arch x86_64">>config.mak
+		echo "FAT_LDFLAGS=-arch arm64e -arch x86_64">>config.mak
 	fi
 elif isbsd ; then
 	echo LIBDL=>>config.mak