--- /dev/null
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index 52d2953..d132d26 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -80,6 +80,7 @@ install(
+ install(
+ DIRECTORY "${HEADER_BASE}/${PROJECT_NAME}"
+ DESTINATION "${include_install_dir}"
++ PATTERN "bundled*" EXCLUDE
+ )
+
+ # install project version file
+diff --git a/include/spdlog/fmt/fmt.h b/include/spdlog/fmt/fmt.h
+index 92ca4e5..55f1fa8 100644
+--- a/include/spdlog/fmt/fmt.h
++++ b/include/spdlog/fmt/fmt.h
+@@ -10,25 +10,7 @@
+ // By default spdlog include its own copy.
+ //
+
+-#if !defined(SPDLOG_FMT_EXTERNAL)
+-
+-#ifndef FMT_HEADER_ONLY
+-#define FMT_HEADER_ONLY
+-#endif
+-#ifndef FMT_USE_WINDOWS_H
+-#define FMT_USE_WINDOWS_H 0
+-#endif
+-#include "bundled/format.h"
+-#if defined(SPDLOG_FMT_PRINTF)
+-#include "bundled/printf.h"
+-#endif
+-
+-#else //external fmtlib
+-
+ #include <fmt/format.h>
+ #if defined(SPDLOG_FMT_PRINTF)
+ #include <fmt/printf.h>
+ #endif
+-
+-#endif
+-
+diff --git a/include/spdlog/fmt/ostr.h b/include/spdlog/fmt/ostr.h
+index 5cdd5cd..d70c6b3 100644
+--- a/include/spdlog/fmt/ostr.h
++++ b/include/spdlog/fmt/ostr.h
+@@ -7,11 +7,6 @@
+
+ // include external or bundled copy of fmtlib's ostream support
+ //
+-#if !defined(SPDLOG_FMT_EXTERNAL)
+-#include "fmt.h"
+-#include "bundled/ostream.h"
+-#else
+ #include <fmt/ostream.h>
+-#endif
+
+
+diff --git a/include/spdlog/tweakme.h b/include/spdlog/tweakme.h
+index ad01a09..9a1bec4 100644
+--- a/include/spdlog/tweakme.h
++++ b/include/spdlog/tweakme.h
+@@ -98,14 +98,6 @@
+ ///////////////////////////////////////////////////////////////////////////////
+
+
+-///////////////////////////////////////////////////////////////////////////////
+-// Uncomment to use your own copy of the fmt library instead of spdlog's copy.
+-// In this case spdlog will try to include <fmt/format.h> so set your -I flag accordingly.
+-//
+-// #define SPDLOG_FMT_EXTERNAL
+-///////////////////////////////////////////////////////////////////////////////
+-
+-
+ ///////////////////////////////////////////////////////////////////////////////
+ // Uncomment to use printf-style messages in your logs instead of the usual
+ // format-style used by default.
+diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
+index 22329b4..44dad86 100644
+--- a/tests/CMakeLists.txt
++++ b/tests/CMakeLists.txt
+@@ -13,7 +13,7 @@ target_include_directories(catch INTERFACE ${CMAKE_CURRENT_SOURCE_DIR})
+ file(GLOB catch_tests LIST_DIRECTORIES false RELATIVE ${CMAKE_CURRENT_SOURCE_DIR} *.cpp *.h *.hpp)\r
+ \r
+ add_executable(catch_tests ${catch_tests})\r
+-target_link_libraries(catch_tests spdlog ${CMAKE_THREAD_LIBS_INIT})\r
++target_link_libraries(catch_tests spdlog fmt ${CMAKE_THREAD_LIBS_INIT})\r
+ add_test(NAME catch_tests COMMAND catch_tests)\r
+ file(MAKE_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/logs")\r
+ \r
--- /dev/null
+# Copyright 1999-2017 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=6
+
+inherit cmake-utils
+
+DESCRIPTION="Very fast, header only, C++ logging library."
+HOMEPAGE="https://github.com/gabime/spdlog"
+
+if [[ ${PV} == *9999 ]]; then
+ inherit git-r3
+ EGIT_REPO_URI="https://github.com/gabime/spdlog"
+else
+ SRC_URI="https://github.com/gabime/spdlog/archive/v${PV}.tar.gz -> ${P}.tar.gz"
+ KEYWORDS="~amd64"
+fi
+
+LICENSE="MIT"
+SLOT="0"
+IUSE="test"
+
+DEPEND="
+ dev-libs/libfmt
+"
+RDEPEND="${DEPEND}"
+
+PATCHES=( "${FILESDIR}/${PN}-unbundle-fmt.patch" )
+
+src_configure() {
+ local mycmakeargs=(
+ -DSPDLOG_BUILD_EXAMPLES=no
+ -DSPDLOG_BUILD_TESTING=$(usex test)
+ )
+
+ cmake-utils_src_configure
+
+}