CMakeLists.txt

# $Id$
#
# Top-level CMakeList.txt for libLAS
#
# ************************************************************************
# WARNING (mloskot): A PROTOTYPE - WORK IN PROGRESS - FEEL FREE TO IMPROVE
# ************************************************************************
#
PROJECT( libLAS )

SET( LIBLAS_LIB_NAME liblas )
SET( LIBLAS_C_LIB_NAME liblas_c )

#############################################################
# CMake settings

CMAKE_MINIMUM_REQUIRED( VERSION 2.4.0 )

SET( CMAKE_COLOR_MAKEFILE ON )

# set path to additional CMake modules
SET(CMAKE_MODULE_PATH ${CMAKE_SOURCE_DIR}/build/cmake ${CMAKE_MODULE_PATH})


#############################################################
# Building general settings

IF(NOT CMAKE_BUILD_TYPE)
  SET(CMAKE_BUILD_TYPE Debug CACHE STRING
      "Choose the type of build, options are: None Debug Release RelWithDebInfo MinSizeRel."
      FORCE)
ENDIF(NOT CMAKE_BUILD_TYPE)

# Enable CTest to run libLas Unit Test Suite
#ENABLE_TESTING()

#############################################################
# Platform and compiler specific settings

IF (WIN32)

    ADD_DEFINITIONS( /W4 )

    IF (MSVC)
        IF (MSVC80)
            ADD_DEFINITIONS( /D_CRT_SECURE_NO_WARNINGS )
            ADD_DEFINITIONS( /D_CRT_NONSTDC_NO_WARNING )
        ENDIF (MSVC80)
    ENDIF (MSVC)
ELSE (WIN32)

    IF (CMAKE_COMPILER_IS_GNUCC OR CMAKE_COMPILER_IS_GNUCXX)

        ADD_DEFINITIONS( -Wall -Wno-long-long -pedantic -ansi )

        IF (CMAKE_COMPILER_IS_GNUCXX)
            SET( CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++98" )
        ENDIF (CMAKE_COMPILER_IS_GNUCXX)

    ENDIF (CMAKE_COMPILER_IS_GNUCC OR CMAKE_COMPILER_IS_GNUCXX)
ENDIF (WIN32)

#############################################################
# Search for dependencies

# optinal GeoTIFF support
FIND_PACKAGE(GeoTIFF)

IF (GEOTIFF_FOUND)
	#TODO: Use to generate config.h
	#SET (HAVE_LIBGEOTIFF TRUE)
	ADD_DEFINITIONS( -D HAVE_LIBGEOTIFF )
ENDIF (GEOTIFF_FOUND)

# optinal GeoTIFF support
FIND_PACKAGE(GDAL)

IF (GDAL_FOUND)
	#TODO: Use to generate config.h
	#SET (HAVE_GDAL TRUE)
	ADD_DEFINITIONS( -D HAVE_GDAL )
ENDIF (GDAL_FOUND)

#############################################################
# List of directories to process

SUBDIRS(
    include
    src
    apps
    test
)







########## THE HUGE BLOCK BELOW IS TO LEARN CMAKE AND WILL BE REMOVED ###############
# ------------------------- Begin Generic CMake Variable Logging ------------------
MESSAGE( STATUS "=============== BEGIN TEST VARIABLES LOGGING OUTPUT =============" )

# if you are building in-source, this is the same as CMAKE_SOURCE_DIR, otherwise 
# this is the top level directory of your build tree 
MESSAGE( STATUS "CMAKE_BINARY_DIR:         " ${CMAKE_BINARY_DIR} )

# if you are building in-source, this is the same as CMAKE_CURRENT_SOURCE_DIR, otherwise this 
# is the directory where the compiled or generated files from the current CMakeLists.txt will go to 
MESSAGE( STATUS "CMAKE_CURRENT_BINARY_DIR: " ${CMAKE_CURRENT_BINARY_DIR} )

# this is the directory, from which cmake was started, i.e. the top level source directory 
MESSAGE( STATUS "CMAKE_SOURCE_DIR:         " ${CMAKE_SOURCE_DIR} )

# this is the directory where the currently processed CMakeLists.txt is located in 
MESSAGE( STATUS "CMAKE_CURRENT_SOURCE_DIR: " ${CMAKE_CURRENT_SOURCE_DIR} )

# contains the full path to the top level directory of your build tree 
MESSAGE( STATUS "PROJECT_BINARY_DIR: " ${PROJECT_BINARY_DIR} )

# contains the full path to the root of your project source directory,
# i.e. to the nearest directory where CMakeLists.txt contains the PROJECT() command 
MESSAGE( STATUS "PROJECT_SOURCE_DIR: " ${PROJECT_SOURCE_DIR} )

# set this variable to specify a common place where CMake should put all executable files
# (instead of CMAKE_CURRENT_BINARY_DIR)
MESSAGE( STATUS "EXECUTABLE_OUTPUT_PATH: " ${EXECUTABLE_OUTPUT_PATH} )

# set this variable to specify a common place where CMake should put all libraries 
# (instead of CMAKE_CURRENT_BINARY_DIR)
MESSAGE( STATUS "LIBRARY_OUTPUT_PATH:     " ${LIBRARY_OUTPUT_PATH} )

# tell CMake to search first in directories listed in CMAKE_MODULE_PATH
# when you use FIND_PACKAGE() or INCLUDE()
MESSAGE( STATUS "CMAKE_MODULE_PATH: " ${CMAKE_MODULE_PATH} )

# this is the complete path of the cmake which runs currently (e.g. /usr/local/bin/cmake) 
MESSAGE( STATUS "CMAKE_COMMAND: " ${CMAKE_COMMAND} )

# this is the CMake installation directory 
MESSAGE( STATUS "CMAKE_ROOT: " ${CMAKE_ROOT} )

# this is the filename including the complete path of the file where this variable is used. 
MESSAGE( STATUS "CMAKE_CURRENT_LIST_FILE: " ${CMAKE_CURRENT_LIST_FILE} )

# this is linenumber where the variable is used
MESSAGE( STATUS "CMAKE_CURRENT_LIST_LINE: " ${CMAKE_CURRENT_LIST_LINE} )

# this is used when searching for include files e.g. using the FIND_PATH() command.
MESSAGE( STATUS "CMAKE_INCLUDE_PATH: " ${CMAKE_INCLUDE_PATH} )

# this is used when searching for libraries e.g. using the FIND_LIBRARY() command.
MESSAGE( STATUS "CMAKE_LIBRARY_PATH: " ${CMAKE_LIBRARY_PATH} )

# the complete system name, e.g. "Linux-2.4.22", "FreeBSD-5.4-RELEASE" or "Windows 5.1" 
MESSAGE( STATUS "CMAKE_SYSTEM: " ${CMAKE_SYSTEM} )

# the short system name, e.g. "Linux", "FreeBSD" or "Windows"
MESSAGE( STATUS "CMAKE_SYSTEM_NAME: " ${CMAKE_SYSTEM_NAME} )

# only the version part of CMAKE_SYSTEM 
MESSAGE( STATUS "CMAKE_SYSTEM_VERSION: " ${CMAKE_SYSTEM_VERSION} )

# the processor name (e.g. "Intel(R) Pentium(R) M processor 2.00GHz") 
MESSAGE( STATUS "CMAKE_SYSTEM_PROCESSOR: " ${CMAKE_SYSTEM_PROCESSOR} )

# is TRUE on all UNIX-like OS's, including Apple OS X and CygWin
MESSAGE( STATUS "UNIX: " ${UNIX} )

# is TRUE on Windows, including CygWin 
MESSAGE( STATUS "WIN32: " ${WIN32} )

# is TRUE on Apple OS X
MESSAGE( STATUS "APPLE: " ${APPLE} )

# is TRUE when using the MinGW compiler in Windows
MESSAGE( STATUS "MINGW: " ${MINGW} )

# is TRUE on Windows when using the CygWin version of cmake
MESSAGE( STATUS "CYGWIN: " ${CYGWIN} )

# is TRUE on Windows when using a Borland compiler 
MESSAGE( STATUS "BORLAND: " ${BORLAND} )

# Microsoft compiler 
MESSAGE( STATUS "MSVC: " ${MSVC} )
MESSAGE( STATUS "MSVC_IDE: " ${MSVC_IDE} )
MESSAGE( STATUS "MSVC60: " ${MSVC60} )
MESSAGE( STATUS "MSVC70: " ${MSVC70} )
MESSAGE( STATUS "MSVC71: " ${MSVC71} )
MESSAGE( STATUS "MSVC80: " ${MSVC80} )
MESSAGE( STATUS "CMAKE_COMPILER_2005: " ${CMAKE_COMPILER_2005} )

# set this to true if you don't want to rebuild the object files if the rules have changed, 
# but not the actual source files or headers (e.g. if you changed the some compiler switches) 
MESSAGE( STATUS "CMAKE_SKIP_RULE_DEPENDENCY: " ${CMAKE_SKIP_RULE_DEPENDENCY} )

# since CMake 2.1 the install rule depends on all, i.e. everything will be built before installing. 
# If you don't like this, set this one to true.
MESSAGE( STATUS "CMAKE_SKIP_INSTALL_ALL_DEPENDENCY: " ${CMAKE_SKIP_INSTALL_ALL_DEPENDENCY} )

# If set, runtime paths are not added when using shared libraries. Default it is set to OFF
MESSAGE( STATUS "CMAKE_SKIP_RPATH: " ${CMAKE_SKIP_RPATH} )

# set this to true if you are using makefiles and want to see the full compile and link 
# commands instead of only the shortened ones 
MESSAGE( STATUS "CMAKE_VERBOSE_MAKEFILE: " ${CMAKE_VERBOSE_MAKEFILE} )

# this will cause CMake to not put in the rules that re-run CMake. This might be useful if 
# you want to use the generated build files on another machine. 
MESSAGE( STATUS "CMAKE_SUPPRESS_REGENERATION: " ${CMAKE_SUPPRESS_REGENERATION} )

# Choose the type of build.  Example: SET(CMAKE_BUILD_TYPE Debug) 
MESSAGE( STATUS "CMAKE_BUILD_TYPE: " ${CMAKE_BUILD_TYPE} )

# A simple way to get switches to the compiler is to use ADD_DEFINITIONS(). 
# But there are also two variables exactly for this purpose: 

# the compiler flags for compiling C sources 
MESSAGE( STATUS "CMAKE_C_FLAGS: " ${CMAKE_C_FLAGS} )
MESSAGE( STATUS "CMAKE_C_FLAGS_RELEASE: " ${CMAKE_C_FLAGS_RELEASE} )
MESSAGE( STATUS "CMAKE_C_FLAGS_DEBUG: " ${CMAKE_C_FLAGS_DEBUG} )

# the compiler flags for compiling C++ sources 
MESSAGE( STATUS "CMAKE_CXX_FLAGS: " ${CMAKE_CXX_FLAGS} )
MESSAGE( STATUS "CMAKE_CXX_FLAGS_RELEASE: " ${CMAKE_CXX_FLAGS_RELEASE} )
MESSAGE( STATUS "CMAKE_CXX_FLAGS_DEBUG: " ${CMAKE_CXX_FLAGS_DEBUG} )

# if this is set to ON, then all libraries are built as shared libraries by default.
MESSAGE( STATUS "BUILD_SHARED_LIBS: " ${BUILD_SHARED_LIBS} )

# the compiler used for C files 
MESSAGE( STATUS "CMAKE_C_COMPILER: " ${CMAKE_C_COMPILER} )

# the compiler used for C++ files 
MESSAGE( STATUS "CMAKE_CXX_COMPILER: " ${CMAKE_CXX_COMPILER} )

# if the compiler is a variant of gcc, this should be set to 1 
MESSAGE( STATUS "CMAKE_COMPILER_IS_GNUCC: " ${CMAKE_COMPILER_IS_GNUCC} )

# if the compiler is a variant of g++, this should be set to 1 
MESSAGE( STATUS "CMAKE_COMPILER_IS_GNUCXX : " ${CMAKE_COMPILER_IS_GNUCXX} )

# the tools for creating libraries 
MESSAGE( STATUS "CMAKE_AR: " ${CMAKE_AR} )
MESSAGE( STATUS "CMAKE_RANLIB: " ${CMAKE_RANLIB} )

MESSAGE( STATUS "=============== END TEST VARIABLES LOGGING OUTPUT ===============" )
# ------------------------- End of Generic CMake Variable Logging ------------------