Remove the namespaced

Namespaces are good for avoiding collisions, but since the
non-namespaced targets still exist, it does no good to add the
namespaced targets on top.

CMakeLists.txt

@@ -58,7 +58,6 @@ message(STATUS "Build type: " ${CMAKE_BUILD_TYPE})
 
 # Build library
 add_library(spdlog src/spdlog.cpp)
-add_library(spdlog::spdlog ALIAS spdlog)
 target_compile_definitions(spdlog PUBLIC SPDLOG_COMPILED_LIB )
 target_include_directories(spdlog PUBLIC  "$<BUILD_INTERFACE:${CMAKE_CURRENT_LIST_DIR}/include>")
 set_target_properties(spdlog PROPERTIES OUTPUT_NAME "spdlog")
@@ -67,7 +66,6 @@ set_target_properties(spdlog PROPERTIES DEBUG_POSTFIX "-debug")
 # Headr only
 add_library(spdlog_header_only INTERFACE)
 target_include_directories(spdlog_header_only INTERFACE "$<BUILD_INTERFACE:${CMAKE_CURRENT_LIST_DIR}/include>")
-add_library(spdlog::header_only ALIAS spdlog_header_only)
 
 if(SPDLOG_FMT_EXTERNAL AND NOT TARGET fmt::fmt)
     find_package(fmt REQUIRED CONFIG)

example/CMakeLists.txt

@@ -24,9 +24,14 @@
 cmake_minimum_required(VERSION 3.1)
 project(SpdlogExamples CXX)
 
-if(NOT TARGET spdlog::spdlog)
-  # Stand-alone build
-  find_package(spdlog CONFIG REQUIRED)
+if(TARGET spdlog)
+    # If we're running this example as part of the primary spdlog applciation
+    # then add an alias. This allows us to use the same "spdlog::spdlog"
+    # below that a user would use (with the namespace)
+    add_library(spdlog::spdlog ALIAS spdlog)
+else()
+    # Stand-alone build
+    find_package(spdlog REQUIRED)
 endif()
 
 find_package(Threads REQUIRED)

tests/CMakeLists.txt

@@ -21,7 +21,7 @@ set(SPDLOG_UTESTS_SOURCES
 
 add_executable(${PROJECT_NAME} ${SPDLOG_UTESTS_SOURCES})
 target_link_libraries(${PROJECT_NAME} PRIVATE Threads::Threads)
-target_link_libraries(${PROJECT_NAME} PRIVATE spdlog::spdlog)
+target_link_libraries(${PROJECT_NAME} PRIVATE spdlog)
 
 file(MAKE_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/logs")