linker identical code folding

makefile

@@ -3,26 +3,26 @@
 zig?=zig
 zig:=$(zig)
 
+source_folder:=$(dir $(MAKEFILE_LIST))
+
 debug_mode:=0
 
 ifeq '$(debug_mode)' '1'
 optimization_args_build_lib:=-ODebug
 optimization_args_cc:=-O0
-optimization_args_cc_linking:=
+linker_cmd:=$(zig) cc -target x86_64-linux-gnu -shared -nostdlib -flto=full -Xlinker -hash-style -Xlinker gnu -Xlinker -version-script -Xlinker $(source_folder)nix-archive-doublecmd-linux-amd64.wcx.version-script -onix-archive-doublecmd-linux-amd64.wcx $(optimization_args_cc) main.o imports.o
 else
 optimization_args_build_lib:=-OReleaseFast -fomit-frame-pointer
 optimization_args_cc:=-O3 -fomit-frame-pointer
-optimization_args_cc_linking:=-s
+linker_cmd:=$(zig) ld.lld -melf_amd64 --shared --hash-style=gnu --eh-frame-hdr -znow --version-script=$(source_folder)nix-archive-doublecmd-linux-amd64.wcx.version-script --output=nix-archive-doublecmd-linux-amd64.wcx --gc-sections -O2 --lto-O3 --icf=all --ignore-data-address-equality --ignore-function-address-equality --strip-all main.o imports.o
 endif
 
-source_folder:=$(dir $(MAKEFILE_LIST))
-
 .PHONY:clean
 
 .ONESHELL:
 
 nix-archive-doublecmd-linux-amd64.wcx:main.o imports.o $(source_folder)nix-archive-doublecmd-linux-amd64.wcx.version-script
-	$(zig) cc -target x86_64-linux-gnu -shared -nostdlib -flto=full -Xlinker -hash-style -Xlinker gnu -Xlinker -version-script -Xlinker $(source_folder)nix-archive-doublecmd-linux-amd64.wcx.version-script -onix-archive-doublecmd-linux-amd64.wcx $(optimization_args_cc) $(optimization_args_cc_linking) main.o imports.o
+	$(linker_cmd)
 
 main.o:$(source_folder)main.zig
 	$(zig) build-obj -target x86_64-linux-gnu -flto $(optimization_args_build_lib) $(source_folder)main.zig