From c56840f03cf139d60c6d90b55cf16e70f6ae2bc2 Mon Sep 17 00:00:00 2001
From: Trygve Laugstøl <trygvis@inamo.no>
Date: Sun, 21 Jun 2015 00:15:04 +0200
Subject: o Going all header file based and single-executable to launch all
 apps. o Ading CMake magic to generate the launcher

---
 apps/CMakeLists.txt | 59 +++++++++++++++++++++++++++++++++++------------------
 1 file changed, 39 insertions(+), 20 deletions(-)

(limited to 'apps/CMakeLists.txt')

diff --git a/apps/CMakeLists.txt b/apps/CMakeLists.txt
index 988a989..c9eea9e 100644
--- a/apps/CMakeLists.txt
+++ b/apps/CMakeLists.txt
@@ -1,4 +1,3 @@
-list(APPEND APPS log4cplus-test)
 list(APPEND APPS ble-inspect-device)
 list(APPEND APPS sample-add-timestamp)
 list(APPEND APPS sample-convert)
@@ -9,10 +8,6 @@ list(APPEND APPS sm-get-value)
 list(APPEND APPS sm-serial-read)
 list(APPEND APPS sm-serial-read-all)
 
-add_library(trygvis-apps
-        SoilMoisture.cpp
-        apps.cpp)
-
 # Boost
 find_package(Boost COMPONENTS regex system program_options REQUIRED)
 
@@ -34,20 +29,44 @@ if(LOG4CPLUS_LIBRARIES MATCHES NOTFOUND)
   message(FATAL_ERROR "Could not find log4cplus library files")
 endif()
 
-include_directories("${PROJECT_SOURCE_DIR}/include")
-include_directories("${PROJECT_SOURCE_DIR}/json/src")
-include_directories("${PROJECT_SOURCE_DIR}/sensor/include")
-include_directories("${LOG4CPLUS_INCLUDE_DIRECTORIES}")
+add_executable(generate generate.cpp)
+
+file(MAKE_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/generated)
+
+add_custom_command(
+   OUTPUT generated/apps-list.gen.h
+   COMMAND generate ${CMAKE_CURRENT_BINARY_DIR}/generated/apps-list.gen.h ${APPS}
+   DEPENDS generate ${CMAKE_CURRENT_SOURCE_DIR}/CMakeLists.txt)
+
+foreach(app ${APPS})
+    list(APPEND APPS_SOURCES ${app}.h)
+endforeach()
+
+list(APPEND SOURCES ${CMAKE_CURRENT_BINARY_DIR}/generated/apps-list.gen.h)
+list(APPEND SOURCES SoilMoisture.cpp SoilMoisture.h)
+list(APPEND SOURCES apps.cpp apps.h)
+
+add_executable(launcher launcher.cpp
+               ${SOURCES}
+               ${APPS_SOURCES})
+target_include_directories(launcher
+    PUBLIC ${CMAKE_CURRENT_BINARY_DIR}/generated
+    PUBLIC ${CMAKE_CURRENT_SOURCE_DIR}
+    PUBLIC "${PROJECT_SOURCE_DIR}/include"
+    PUBLIC "${PROJECT_SOURCE_DIR}/json/src"
+    PUBLIC "${PROJECT_SOURCE_DIR}/sensor/include"
+    PUBLIC "${LOG4CPLUS_INCLUDE_DIRECTORIES}")
+
+target_link_libraries(launcher ble)
+target_link_libraries(launcher trygvis-sensor)
+target_link_libraries(launcher ${Boost_LIBRARIES})
+target_link_libraries(launcher ${BLUEZ_LIBRARIES})
+target_link_libraries(launcher ${PQXX_LIBRARIES})
+target_link_libraries(launcher ${LOG4CPLUS_LIBRARIES})
+target_link_libraries(launcher ${CMAKE_THREAD_LIBS_INIT})
 
 foreach(app ${APPS})
-    add_executable(${app} ${app}.cpp)
-
-    target_link_libraries(${app} ble)
-    target_link_libraries(${app} trygvis-apps)
-    target_link_libraries(${app} trygvis-sensor)
-    target_link_libraries(${app} ${Boost_LIBRARIES})
-    target_link_libraries(${app} ${BLUEZ_LIBRARIES})
-    target_link_libraries(${app} ${PQXX_LIBRARIES})
-    target_link_libraries(${app} ${LOG4CPLUS_LIBRARIES})
-    target_link_libraries(${app} ${CMAKE_THREAD_LIBS_INIT})
-endforeach(app)
+    add_custom_command(
+        TARGET launcher POST_BUILD
+        COMMAND ln -sf launcher ${app})
+endforeach()
-- 
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