From 479c16a8fa77e9577be9d7a363aedd31aed8eb9a Mon Sep 17 00:00:00 2001
From: Dennis Klein <d.klein@gsi.de>
Date: Mon, 24 Jun 2019 18:48:44 +0200
Subject: [PATCH] CMake: Export build type and cxx flags

Resolve #158
---
 README.md                   | 8 +++++---
 cmake/FairMQConfig.cmake.in | 3 +++
 cmake/FairMQLib.cmake       | 2 ++
 3 files changed, 10 insertions(+), 3 deletions(-)

diff --git a/README.md b/README.md
index 2300dbc8..203739b0 100644
--- a/README.md
+++ b/README.md
@@ -126,9 +126,11 @@ After the `find_package(FairMQ)` call the following CMake variables are defined:
 | `${FairMQ_LIBDIR}` | the installation lib directory |
 | `${FairMQ_DATADIR}` | the installation data directory (`../share/fairmq`) |
 | `${FairMQ_CMAKEMODDIR}` | the installation directory of shipped CMake find modules |
-| `${FairMQ_CXX_STANDARD_REQUIRED}` | the value of `CMAKE_CXX_STANDARD_REQUIRED` at built-time |
-| `${FairMQ_CXX_STANDARD}` | the value of `CMAKE_CXX_STANDARD` at built-time |
-| `${FairMQ_CXX_EXTENSIONS}` | the values of `CMAKE_CXX_EXTENSIONS` at built-time |
+| `${FairMQ_CXX_STANDARD_REQUIRED}` | the value of `CMAKE_CXX_STANDARD_REQUIRED` at build-time |
+| `${FairMQ_CXX_STANDARD}` | the value of `CMAKE_CXX_STANDARD` at build-time |
+| `${FairMQ_CXX_EXTENSIONS}` | the values of `CMAKE_CXX_EXTENSIONS` at build-time |
+| `${FairMQ_BUILD_TYPE}` | the value of `CMAKE_BUILD_TYPE` at build-time |
+| `${FairMQ_CXX_FLAGS}` | the values of `CMAKE_CXX_FLAGS` and `CMAKE_CXX_FLAGS_${CMAKE_BUILD_TYPE}` at build-time |
 
 ## Documentation
 
diff --git a/cmake/FairMQConfig.cmake.in b/cmake/FairMQConfig.cmake.in
index 431a2586..5613a514 100644
--- a/cmake/FairMQConfig.cmake.in
+++ b/cmake/FairMQConfig.cmake.in
@@ -24,6 +24,9 @@ set(@PROJECT_NAME@_CXX_STANDARD_REQUIRED @CMAKE_CXX_STANDARD_REQUIRED@)
 set(@PROJECT_NAME@_CXX_STANDARD @CMAKE_CXX_STANDARD@)
 set(@PROJECT_NAME@_CXX_EXTENSIONS @CMAKE_CXX_EXTENSIONS@)
 set(@PROJECT_NAME@_VERSION_HOTFIX @PROJECT_VERSION_HOTFIX@)
+set(@PROJECT_NAME@_BUILD_TYPE @CMAKE_BUILD_TYPE@)
+set(@PROJECT_NAME@_BUILD_TYPE_UPPER @PROJECT_BUILD_TYPE_UPPER@)
+set(@PROJECT_NAME@_CXX_FLAGS @PROJECT_CXX_FLAGS@)
 
 ### Import cmake modules
 set(CMAKE_MODULE_PATH ${@PROJECT_NAME@_CMAKEMODDIR} ${CMAKE_MODULE_PATH})
diff --git a/cmake/FairMQLib.cmake b/cmake/FairMQLib.cmake
index a2d9d732..30681c54 100644
--- a/cmake/FairMQLib.cmake
+++ b/cmake/FairMQLib.cmake
@@ -288,6 +288,8 @@ macro(install_cmake_package)
   )
   generate_package_dependencies() # fills ${PACKAGE_DEPENDENCIES}
   generate_package_components() # fills ${PACKAGE_COMPONENTS}
+  string(TOUPPER ${CMAKE_BUILD_TYPE} PROJECT_BUILD_TYPE_UPPER)
+  set(PROJECT_CXX_FLAGS ${CMAKE_CXX_FLAGS} ${CMAKE_CXX_FLAGS_${PROJECT_BUILD_TYPE_UPPER}})
   configure_package_config_file(
     ${CMAKE_SOURCE_DIR}/cmake/${PROJECT_NAME}Config.cmake.in
     ${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}Config.cmake