Find package rmqcpp (#1)

* find_package?

* cmake_install_libdir

* use CMAKE_CURRENT_SOURCE_DIR for BUILD_INTERFACE

* export target command

* export config

* export dest

* test install to multiple locations

* export config to prefix/share/rmqcpp

* rm export and only install

* export targets

* add Config.cmake.in

* make target_link_libraries interface instead of public

* find_dependency ZLIB

* find_dependency in cmake.in, change ns

* revert explicit find_dependency

* find_package in cmake.in

* namespace rmqcpp::

src/rmq/CMakeLists.txt

@@ -23,13 +23,17 @@ endif()
 
 target_compile_definitions(rmq PRIVATE USES_LIBRMQ_EXPERIMENTAL_FEATURES)
 
-target_include_directories(rmq PUBLIC rmqt rmqp rmqa)
+target_include_directories(rmq PUBLIC $<INSTALL_INTERFACE:include> $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/rmqt>)
+target_include_directories(rmq PUBLIC $<INSTALL_INTERFACE:include> $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/rmqp>)
+target_include_directories(rmq PUBLIC $<INSTALL_INTERFACE:include> $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/rmqa>)
+
 
 file(GLOB RMQ_PUBLIC_HEADERS rmqa/*h rmqp/*h rmqt/*h)
 set_target_properties(rmq PROPERTIES PUBLIC_HEADER "${RMQ_PUBLIC_HEADERS}")
 
 install(
     TARGETS rmq
+    EXPORT rmqcppTargets
     ARCHIVE
         DESTINATION ${CMAKE_INSTALL_LIBDIR}
         COMPONENT librmq-dev
@@ -38,6 +42,17 @@ install(
         COMPONENT librmq-dev
 )
 
+install(EXPORT rmqcppTargets 
+        FILE rmqcppTargets.cmake 
+        DESTINATION ${CMAKE_INSTALL_PREFIX}/share/rmqcpp 
+        NAMESPACE rmqcpp::)
+
+include(CMakePackageConfigHelpers)
+configure_package_config_file(${CMAKE_CURRENT_SOURCE_DIR}/Config.cmake.in 
+                              "${CMAKE_CURRENT_BINARY_DIR}/rmqcppConfig.cmake"
+                              INSTALL_DESTINATION ${CMAKE_INSTALL_PREFIX}/share/rmqcpp) 
+install(FILES "${CMAKE_CURRENT_BINARY_DIR}/rmqcppConfig.cmake" DESTINATION ${CMAKE_INSTALL_PREFIX}/share/rmqcpp)
+
 # Emit some metadata required internally
 set(RMQ_PC_DEP_NAMES bsl bdl bal openssl)
 find_package(GenBDEMetadata QUIET)
@@ -47,4 +62,4 @@ endif()
 find_package(EmitPkgConfigFile QUIET)
 if (EmitPkgConfigFile_FOUND)
     emit_pkgconfig_file(PKG rmq INSTALL_COMPONENT librmq-dev DEPS "${RMQ_PC_DEP_NAMES}")
-endif()
+endif()

src/rmq/Config.cmake.in

@@ -0,0 +1,11 @@
+@PACKAGE_INIT@
+
+if(NOT TARGET rmqcpp)
+    foreach(dep bal;OpenSSL;ZLIB)
+        find_package(${dep})
+    endforeach()
+endif()
+
+include("${CMAKE_CURRENT_LIST_DIR}/rmqcppTargets.cmake")
+
+check_required_components(rmqcpp)