From 2e582f5a617ed7a4faaafa8930ae7291146a4543 Mon Sep 17 00:00:00 2001
From: vrouvrea <vrouvrea@636b058d-ea47-450e-bf9e-a15bfbe3eedb>
Date: Tue, 6 Oct 2015 13:44:03 +0000
Subject: GUDHIConfig.cmake and GUDHIVersion.cmake generation
 generate_version.sh modification to take into account these new files

git-svn-id: svn+ssh://scm.gforge.inria.fr/svnroot/gudhi/trunk@830 636b058d-ea47-450e-bf9e-a15bfbe3eedb

Former-commit-id: 54d3d4f963fb29c9a142be1c28458ce05215ec79
---
 src/CMakeLists.txt | 72 +++++++++++++++++++++++++++++++++++++++++++++++-------
 1 file changed, 63 insertions(+), 9 deletions(-)

(limited to 'src/CMakeLists.txt')

diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 3e21870f..e8297aa8 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -1,16 +1,12 @@
 cmake_minimum_required(VERSION 2.6)
 project(GUDHI)
 
-# Do not forget to  version number.
-set (GUDHI_MAJOR_VERSION 1)
-set (GUDHI_MINOR_VERSION 2)
-set (GUDHI_PATCH_VERSION 0)
+include("CMakeGUDHIVersion.txt")
 
 list(APPEND CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/cmake/modules/")
 
 find_package(Boost REQUIRED COMPONENTS system filesystem program_options chrono timer REQUIRED)
 
-
 if (NOT CMAKE_BUILD_TYPE)
  set(CMAKE_BUILD_TYPE "Release")
 endif()
@@ -40,9 +36,35 @@ else()
   add_definitions(-DBOOST_ALL_NO_LIB)
 
   INCLUDE_DIRECTORIES(${Boost_INCLUDE_DIRS})
-  LINK_DIRECTORIES(${Boost_LIBRARY_DIRS})                      
-  include_directories(include/)
-	
+  LINK_DIRECTORIES(${Boost_LIBRARY_DIRS})
+
+  #---------------------------------------------------------------------------------------
+  # GUDHIConfig.cmake 1st part
+
+  # Offer the user the choice of overriding the installation directories - i.e. "cmake -DGUDHI_DIR=~/gudhi/GUDHI_1.2.0 ."
+  set(INSTALL_LIB_DIR lib CACHE PATH "Installation directory for libraries")
+  set(INSTALL_BIN_DIR bin CACHE PATH "Installation directory for executables")
+  set(INSTALL_INCLUDE_DIR include CACHE PATH "Installation directory for header files")
+  if(WIN32 AND NOT CYGWIN)
+    set(DEF_INSTALL_CMAKE_DIR CMake)
+  else()
+    set(DEF_INSTALL_CMAKE_DIR lib/CMake/GUDHI)
+  endif()
+  set(INSTALL_CMAKE_DIR ${DEF_INSTALL_CMAKE_DIR} CACHE PATH "Installation directory for CMake files")
+
+  # Make relative paths absolute (needed later on)
+  foreach(p LIB BIN INCLUDE CMAKE)
+    set(var INSTALL_${p}_DIR)
+    if(NOT IS_ABSOLUTE "${${var}}")
+      set(${var} "${CMAKE_INSTALL_PREFIX}/${${var}}")
+    endif()
+  endforeach()
+  #---------------------------------------------------------------------------------------
+
+  #---------------------------------------------------------------------------------------
+  # Gudhi compilation part
+  include_directories(include)
+
   add_subdirectory(example/Simplex_tree)                   
   add_subdirectory(example/Persistent_cohomology)                   
   add_subdirectory(example/Skeleton_blocker)                   
@@ -55,7 +77,39 @@ else()
 
   # data points generator
   add_subdirectory(data/points/generator)
+  #---------------------------------------------------------------------------------------
+
+  #---------------------------------------------------------------------------------------
+  # GUDHIConfig.cmake 2nd part
+  # Export the package for use from the build-tree
+  # (this registers the build-tree with a global CMake-registry)
+  export(PACKAGE GUDHI)
+
+  # Create the GUDHIConfig.cmake and GUDHIConfigVersion files
+  file(RELATIVE_PATH REL_INCLUDE_DIR "${INSTALL_CMAKE_DIR}" "${INSTALL_INCLUDE_DIR}")
+  # ... for the build tree
+  set(CONF_INCLUDE_DIRS "${PROJECT_SOURCE_DIR}/include" "${PROJECT_BINARY_DIR}/include")
+  configure_file(GUDHIConfig.cmake.in "${PROJECT_BINARY_DIR}/GUDHIConfig.cmake" @ONLY)
+  # ... for the install tree
+  set(CONF_INCLUDE_DIRS "\${GUDHI_CMAKE_DIR}/${REL_INCLUDE_DIR}")
+  configure_file(GUDHIConfig.cmake.in "${PROJECT_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/GUDHIConfig.cmake" @ONLY)
+  # ... for both
+  configure_file(GUDHIConfigVersion.cmake.in "${PROJECT_BINARY_DIR}/GUDHIConfigVersion.cmake" @ONLY)
+
+  configure_file(GUDHIVersion.cmake.in "${PROJECT_BINARY_DIR}/GUDHIVersion.cmake" @ONLY)
+
+  # Install the GUDHIConfig.cmake and GUDHIConfigVersion.cmake
+  install(FILES
+    "${PROJECT_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/GUDHIConfig.cmake"
+    "${PROJECT_BINARY_DIR}/GUDHIConfigVersion.cmake"
+    DESTINATION "${INSTALL_CMAKE_DIR}" COMPONENT dev)
+  #---------------------------------------------------------------------------------------
+
+  #---------------------------------------------------------------------------------------
+  # Gudhi installation part
 
-  install (DIRECTORY include/gudhi DESTINATION include)
+  # install the include file on "make install"
+  install(DIRECTORY include/gudhi DESTINATION include)
+  #---------------------------------------------------------------------------------------
 
 endif()  
-- 
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