From c57d99a21c082b002b83ac4785fea183ba5c9df2 Mon Sep 17 00:00:00 2001
From: Teo Mrnjavac <teo@kde.org>
Date: Mon, 14 Jul 2014 16:26:10 +0200
Subject: [PATCH] Add CalamaresAddModuleSubdirectory, a CMake function for
 modules that do not require building through a CMakeLists.txt.

---
 CMakeLists.txt                       |  3 ++-
 CalamaresAddModuleSubdirectory.cmake | 36 ++++++++++++++++++++++++++++
 CalamaresUse.cmake.in                |  1 +
 src/modules/CMakeLists.txt           |  8 +++----
 4 files changed, 43 insertions(+), 5 deletions(-)
 create mode 100644 CalamaresAddModuleSubdirectory.cmake

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 027323364..9027b23c9 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -74,8 +74,9 @@ configure_file(
 
 # Early configure these files as we need them later on
 configure_file( CalamaresUse.cmake.in "${PROJECT_BINARY_DIR}/CalamaresUse.cmake" @ONLY )
-file( COPY CalamaresAddPlugin.cmake DESTINATION "${PROJECT_BINARY_DIR}" )
 file( COPY CalamaresAddLibrary.cmake DESTINATION "${PROJECT_BINARY_DIR}" )
+file( COPY CalamaresAddModuleSubdirectory.cmake DESTINATION "${PROJECT_BINARY_DIR}" )
+file( COPY CalamaresAddPlugin.cmake DESTINATION "${PROJECT_BINARY_DIR}" )
 
 set( CALAMARES_LIBRARIES calamareslib )
 
diff --git a/CalamaresAddModuleSubdirectory.cmake b/CalamaresAddModuleSubdirectory.cmake
new file mode 100644
index 000000000..f94ef0851
--- /dev/null
+++ b/CalamaresAddModuleSubdirectory.cmake
@@ -0,0 +1,36 @@
+include( CMakeColors )
+
+function( calamares_add_module_subdirectory )
+    set( SUBDIRECTORY ${ARGV0} )
+
+    # If this subdirectory has a CMakeLists.txt, we add_subdirectory it...
+    if( EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/${SUBDIRECTORY}/CMakeLists.txt" )
+        add_subdirectory( ${SUBDIRECTORY} )
+    # ...otherwise, we look for a module.conf.
+    elseif( EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/${SUBDIRECTORY}/module.conf" )
+        set( MODULES_DIR ${CMAKE_INSTALL_LIBDIR}/calamares/modules )
+        set( MODULE_DESTINATION ${MODULES_DIR}/${SUBDIRECTORY} )
+
+        # We glob all the files inside the subdirectory, and we make sure they are
+        # synced with the bindir structure and installed.
+        file( GLOB MODULE_FILES RELATIVE ${CMAKE_CURRENT_SOURCE_DIR}/${SUBDIRECTORY} "${SUBDIRECTORY}/*" )
+        foreach( MODULE_FILE ${MODULE_FILES} )
+            if( NOT IS_DIRECTORY( ${MODULE_FILE} ) )
+                configure_file( ${SUBDIRECTORY}/${MODULE_FILE} ${SUBDIRECTORY}/${MODULE_FILE} COPYONLY )
+                install( FILES ${CMAKE_CURRENT_BINARY_DIR}/${SUBDIRECTORY}/${MODULE_FILE}
+                         DESTINATION ${MODULE_DESTINATION} )
+            endif()
+        endforeach()
+
+        message( "-- ${BoldYellow}Found ${CALAMARES_APPLICATION_NAME} module: ${BoldRed}${SUBDIRECTORY}${ColorReset}" )
+        if( NOT CMAKE_BUILD_TYPE STREQUAL "Release" )
+            message( "   ${Green}TYPE:${ColorReset} jobmodule" )
+#            message( "   ${Green}FILES:${ColorReset} ${MODULE_FILES}" )
+            message( "   ${Green}MODULE_DESTINATION:${ColorReset} ${MODULE_DESTINATION}" )
+            message( "" )
+        endif()
+    else()
+        message( "-- ${BoldYellow}Warning:${ColorReset} tried to add module subdirectory ${BoldRed}${SUBDIRECTORY}${ColorReset} which has no CMakeLists.txt or module.conf." )
+        message( "" )
+    endif()
+endfunction()
diff --git a/CalamaresUse.cmake.in b/CalamaresUse.cmake.in
index b534b4707..d31b7d41c 100644
--- a/CalamaresUse.cmake.in
+++ b/CalamaresUse.cmake.in
@@ -7,4 +7,5 @@ if(NOT CALAMARES_CMAKE_DIR)
 endif()
 
 include( "${CALAMARES_CMAKE_DIR}/CalamaresAddLibrary.cmake" )
+include( "${CALAMARES_CMAKE_DIR}/CalamaresAddModuleSubdirectory.cmake" )
 include( "${CALAMARES_CMAKE_DIR}/CalamaresAddPlugin.cmake" )
diff --git a/src/modules/CMakeLists.txt b/src/modules/CMakeLists.txt
index f418511f2..8d6f239d7 100644
--- a/src/modules/CMakeLists.txt
+++ b/src/modules/CMakeLists.txt
@@ -1,6 +1,6 @@
-file(GLOB SUBDIRECTORIES RELATIVE ${CMAKE_CURRENT_SOURCE_DIR} "*")
-foreach(SUBDIRECTORY ${SUBDIRECTORIES})
-    if(IS_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}/${SUBDIRECTORY}" AND EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/${SUBDIRECTORY}/CMakeLists.txt")
-        add_subdirectory(${SUBDIRECTORY})
+file( GLOB SUBDIRECTORIES RELATIVE ${CMAKE_CURRENT_SOURCE_DIR} "*" )
+foreach( SUBDIRECTORY ${SUBDIRECTORIES} )
+    if( IS_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}/${SUBDIRECTORY}" )
+        calamares_add_module_subdirectory( ${SUBDIRECTORY} )
     endif()
 endforeach()