diff --git a/c-to-rust/Makefile b/c-to-rust/Makefile
index 1107f66..0e9dce1 100644
--- a/c-to-rust/Makefile
+++ b/c-to-rust/Makefile
@@ -10,12 +10,11 @@ all: target/double
 target:
 	mkdir -p $@
 
-target/double: target/main.o target/libdouble_input.a
+target/double: target/main.o target/debug/libdouble_input.a
 	$(CC) -o $@ $^ $(LDFLAGS)
 
-target/libdouble_input.a: src/lib.rs Cargo.toml
+target/debug/libdouble_input.a: src/lib.rs Cargo.toml
 	cargo build
-	(cd target && ln -nsf debug/libdouble_input-*.a libdouble_input.a)
 
 target/main.o: src/main.c | target
 	$(CC) -o $@ -c $<
diff --git a/node-to-rust/Makefile b/node-to-rust/Makefile
index 76eba3e..9d381e5 100644
--- a/node-to-rust/Makefile
+++ b/node-to-rust/Makefile
@@ -4,12 +4,11 @@ else
     EXT := so
 endif
 
-all: target/libdouble_input.$(EXT) node_modules/ffi
+all: target/debug/libdouble_input.$(EXT) node_modules/ffi
 	node src/main.js
 
-target/libdouble_input.$(EXT): src/lib.rs Cargo.toml
+target/debug/libdouble_input.$(EXT): src/lib.rs Cargo.toml
 	cargo build
-	(cd target && ln -nsf debug/libdouble_input-*$(EXT) libdouble_input.$(EXT))
 
 node_modules/ffi:
 	npm install ffi
diff --git a/node-to-rust/src/main.js b/node-to-rust/src/main.js
index 0748788..5d40d17 100644
--- a/node-to-rust/src/main.js
+++ b/node-to-rust/src/main.js
@@ -1,6 +1,6 @@
 var ffi = require('ffi');
 
-var lib = ffi.Library('target/libdouble_input', {
+var lib = ffi.Library('target/debug/libdouble_input', {
   'double_input': [ 'int', [ 'int' ] ]
 });
 
diff --git a/perl-to-rust/Makefile b/perl-to-rust/Makefile
index a49e37e..94c1c5e 100644
--- a/perl-to-rust/Makefile
+++ b/perl-to-rust/Makefile
@@ -4,12 +4,11 @@ else
     EXT := so
 endif
 
-all: target/libdouble_input.so
+all: target/debug/libdouble_input.$(EXT)
 	perl src/main.pl
 
-target/libdouble_input.so: src/lib.rs Cargo.toml
+target/debug/libdouble_input.$(EXT): src/lib.rs Cargo.toml
 	cargo build
-	(cd target && ln -nsf debug/libdouble_input-*$(EXT) libdouble_input.so)
 
 clean:
 	rm -rf target
diff --git a/perl-to-rust/src/main.pl b/perl-to-rust/src/main.pl
index 24265cc..0099bf6 100644
--- a/perl-to-rust/src/main.pl
+++ b/perl-to-rust/src/main.pl
@@ -2,7 +2,7 @@ use v5.10;
 use FFI::Raw;
 
 my $double_input = FFI::Raw->new(
-    "target/libdouble_input.so",
+    "target/debug/libdouble_input.so",
     'double_input',
     FFI::Raw::int,    # return value
     FFI::Raw::int     # arg #1
diff --git a/python-to-rust/Makefile b/python-to-rust/Makefile
index 9dd7bcb..d7338e9 100644
--- a/python-to-rust/Makefile
+++ b/python-to-rust/Makefile
@@ -4,12 +4,11 @@ else
     EXT := so
 endif
 
-all: target/libdouble_input.so
+all: target/debug/libdouble_input.$(EXT)
 	python src/main.py
 
-target/libdouble_input.so: src/lib.rs Cargo.toml
+target/debug/libdouble_input.$(EXT): src/lib.rs Cargo.toml
 	cargo build
-	(cd target && ln -nsf debug/libdouble_input-*$(EXT) libdouble_input.so)
 
 clean:
 	rm -rf target
diff --git a/python-to-rust/src/main.py b/python-to-rust/src/main.py
index 19a02c6..31fb1af 100644
--- a/python-to-rust/src/main.py
+++ b/python-to-rust/src/main.py
@@ -1,6 +1,12 @@
 from ctypes import cdll
+from sys import platform
 
-lib = cdll.LoadLibrary('target/libdouble_input.so')
+if platform == "darwin":
+    ext = "dylib"
+else:
+    ext = "so"
+
+lib = cdll.LoadLibrary('target/debug/libdouble_input.' + ext)
 double_input = lib.double_input
 
 input = 4
diff --git a/ruby-to-rust/Makefile b/ruby-to-rust/Makefile
index a39306a..065886d 100644
--- a/ruby-to-rust/Makefile
+++ b/ruby-to-rust/Makefile
@@ -4,12 +4,11 @@ else
     EXT := so
 endif
 
-all: target/libdouble_input.so
+all: target/debug/libdouble_input.$(EXT)
 	ruby src/main.rb
 
-target/libdouble_input.so: src/lib.rs Cargo.toml
+target/debug/libdouble_input.$(EXT): src/lib.rs Cargo.toml
 	cargo build
-	(cd target && ln -nsf debug/libdouble_input-*$(EXT) libdouble_input.so)
 
 clean:
 	rm -rf target
diff --git a/ruby-to-rust/src/main.rb b/ruby-to-rust/src/main.rb
index e106332..146de37 100644
--- a/ruby-to-rust/src/main.rb
+++ b/ruby-to-rust/src/main.rb
@@ -1,8 +1,14 @@
 require 'ffi'
 
+if RUBY_PLATFORM.include?('darwin')
+  EXT = 'dylib'
+else
+  EXT = 'so'
+end
+
 module Hello
   extend FFI::Library
-  ffi_lib 'target/libdouble_input.so'
+  ffi_lib 'target/debug/libdouble_input.' + EXT
   attach_function :double_input, [ :int ], :int
 end