build(cmake): fix export target

Author: c0nstexpr

CMakeLists.txt

@@ -7,7 +7,7 @@ include(cmake/Utils.cmake)
 #
 project(
   stdsharp
-  VERSION 0.4.2
+  VERSION 0.4.2.1
   LANGUAGES CXX)
 
 config_lib(${PROJECT_NAME} INTERFACE STD 23)
@@ -33,8 +33,6 @@ target_link_libraries(${PROJECT_NAME} INTERFACE fmt::fmt range-v3::range-v3
 verbose_message("Successfully added all dependencies and linked against them.")
 
 target_install(
-  ${PROJECT_NAME}
-  NAMESPACE
   ${PROJECT_NAME}
   COMPATIBILITY
   SameMajorVersion

cmake/Utils.cmake

@@ -148,6 +148,11 @@ function(target_install target)
     verbose_message("Use default version ${ARG_VER}")
   endif()
 
+  if(NOT DEFINED ARG_NAMESPACE)
+    set(ARG_NAMESPACE ${CMAKE_PROJECT_NAME})
+    verbose_message("Use default namespace ${ARG_NAMESPACE}")
+  endif()
+
   install(
     TARGETS ${target}
     EXPORT ${target}Targets
@@ -181,7 +186,7 @@ function(target_install target)
   install(
     EXPORT ${target}Targets
     DESTINATION "${${target}_INSTALL_CMAKEDIR}"
-    NAMESPACE ${ARG_NAMESPACE}
+    NAMESPACE ${ARG_NAMESPACE}::
     COMPONENT "${target}_Development")
 
   if(ARG_ARCH_INDEPENDENT)

tests/CMakeLists.txt

@@ -28,7 +28,7 @@ set(src
 
 config_lib(${PROJECT_NAME}Lib INTERFACE)
 
-target_link_libraries(${PROJECT_NAME}Lib INTERFACE stdsharp
+target_link_libraries(${PROJECT_NAME}Lib INTERFACE stdsharp::stdsharp
                                                    Catch2::Catch2WithMain)
 
 config_exe(${PROJECT_NAME} EXE_SRC ${src})