automatic detection of required packages, such as Threads or TBB

Author: thelfer

cmake/modules/clang.cmake

@@ -84,6 +84,7 @@ if(enable-parallel-stl-algorithms)
  if(UNIX AND NOT APPLE)
    if(NOT enable-libcxx)
      find_package(TBB REQUIRED)
+     list(APPEND MGIS_REQUIRED_ADDITIONAL_PACKAGES "TBB")
      list(APPEND MGIS_ADDITIONAL_LIBRARIES "TBB::tbb")
    endif(NOT enable-libcxx)
  endif(UNIX AND NOT APPLE)

cmake/modules/compiler.cmake

@@ -11,6 +11,7 @@
 #  MGIS_CMAKE_REQUIRED_INCLUDES = list of include directories
 #  MGIS_CMAKE_REQUIRED_LIBRARIES = list of libraries to link
 #  MGIS_ADDITIONAL_LINK_FLAGS = additional flags for the MFrontGenericInterface library
+#  MGIS_REQUIRED_ADDITIONAL_PACKAGES = additional required packages for the MFrontGenericInterface library
 #
 # This macro is a copy of CheckCXXSourceCompiles.cmake
 # Copyright 2005-2009 Kitware, Inc.
@@ -128,6 +129,7 @@ set(OPTIMISATION_FLAGS "")
 set(COMPILER_WARNINGS  "")
 set(MGIS_ADDITIONAL_LIBRARIES "")
 set(MGIS_ADDITIONAL_LINK_FLAGS "")
+set(MGIS_REQUIRED_ADDITIONAL_PACKAGES "")
 
 option(enable-gpu-offloading "enable offloading on GPUS. Support of offloading depends on compiler support" OFF)
 option(enable-fast-math "enable -ffast-math compiler flag" OFF)

cmake/modules/gcc.cmake

@@ -112,6 +112,7 @@ set(COMPILER_C_WARNINGS "-Wall -W -pedantic")
 
 if(enable-parallel-stl-algorithms)
   find_package(TBB REQUIRED)
+  list(APPEND MGIS_REQUIRED_ADDITIONAL_PACKAGES "TBB")
   list(APPEND MGIS_ADDITIONAL_LIBRARIES "TBB::tbb")
 endif(enable-parallel-stl-algorithms)
 

src/MFrontGenericInterfaceConfig.cmake.in

@@ -26,4 +26,16 @@ if(MGIS_HAVE_TFEL)
 
 endif(MGIS_HAVE_TFEL)
 
+if(UNIX)
+  set(Threads_FOUND @Threads_FOUND@)
+  if(Threads_FOUND)
+    find_package(Threads REQUIRED)
+  endif(Threads_FOUND)
+endif(UNIX)
+
+set(MGIS_REQUIRED_ADDITIONAL_PACKAGES "@MGIS_REQUIRED_ADDITIONAL_PACKAGES@")
+foreach(_package ${MGIS_REQUIRED_ADDITIONAL_PACKAGES})
+  find_package(${_package} REQUIRED)
+endforeach()
+
 include("${CMAKE_CURRENT_LIST_DIR}/MFrontGenericInterfaceTargets.cmake")