diff --git a/.gitmodules b/.gitmodules
index d501359b..91dde495 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,6 @@
+[submodule "externals/fmt"]
+	path = externals/fmt
+	url = https://github.com/fmtlib/fmt.git
 [submodule "externals/xbyak"]
 	path = externals/xbyak
 	url = https://github.com/herumi/xbyak
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 204b3b43..09cff012 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -87,6 +87,9 @@ if (DYNARMIC_USE_LLVM)
     llvm_map_components_to_libnames(llvm_libs x86desc x86disassembler)
 endif()
 
+# Pull in externals CMakeLists for libs where available
+add_subdirectory(externals)
+
 # Dynarmic project files
 add_subdirectory(src)
 add_subdirectory(tests)
diff --git a/externals/CMakeLists.txt b/externals/CMakeLists.txt
new file mode 100644
index 00000000..7df8cfac
--- /dev/null
+++ b/externals/CMakeLists.txt
@@ -0,0 +1,6 @@
+# For libraries that already come with a CMakeLists file,
+# simply add the directory to that file as a subdirectory
+# to have CMake automatically recognize them.
+
+# fmtlib formatting library
+add_subdirectory(fmt)
diff --git a/externals/fmt b/externals/fmt
new file mode 160000
index 00000000..2ae6bca4
--- /dev/null
+++ b/externals/fmt
@@ -0,0 +1 @@
+Subproject commit 2ae6bca488795929a0207d109e135751f10c53d9
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 44775466..550cf9ba 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -81,3 +81,8 @@ set_target_properties(dynarmic PROPERTIES LINKER_LANGUAGE CXX)
 target_include_directories(dynarmic
                            PUBLIC ../include
                            PRIVATE .)
+# Link fmt
+target_link_libraries(dynarmic PRIVATE fmt-header-only)
+if (CMAKE_SYSTEM_NAME STREQUAL "Windows")
+    target_compile_definitions(dynarmic PRIVATE FMT_USE_WINDOWS_H=0)
+endif()