# yue.nicholas@gmail.com
CMAKE_MINIMUM_REQUIRED(VERSION 2.8)

PROJECT ( ILMBase )

IF ( NOT WIN32)
  ADD_DEFINITIONS ( -pthread )
ENDIF ()

INCLUDE_DIRECTORIES ( Iex IexMath Imath Half config IlmThread IexTest ImathTest HalfTest )

MACRO(GET_TARGET_PROPERTY_WITH_DEFAULT _variable _target _property _default_value)
   GET_TARGET_PROPERTY (${_variable} ${_target} ${_property})
   IF (${_variable} MATCHES NOTFOUND)
     SET (${_variable} ${_default_value})
   ENDIF (${_variable} MATCHES NOTFOUND)
 ENDMACRO (GET_TARGET_PROPERTY_WITH_DEFAULT)

 MACRO(CREATE_LIBTOOL_FILE _target _install_DIR)
   GET_TARGET_PROPERTY(_target_location ${_target} LOCATION)
   GET_TARGET_PROPERTY_WITH_DEFAULT(_target_static_lib ${_target} STATIC_LIB "")
   GET_TARGET_PROPERTY_WITH_DEFAULT(_target_dependency_libs ${_target} LT_DEPENDENCY_LIBS "")
   GET_TARGET_PROPERTY_WITH_DEFAULT(_target_current ${_target} LT_VERSION_CURRENT 0)
   GET_TARGET_PROPERTY_WITH_DEFAULT(_target_age ${_target} LT_VERSION_AGE 0)
   GET_TARGET_PROPERTY_WITH_DEFAULT(_target_revision ${_target} LT_VERSION_REVISION 0)
   GET_TARGET_PROPERTY_WITH_DEFAULT(_target_installed ${_target} LT_INSTALLED yes)
   GET_TARGET_PROPERTY_WITH_DEFAULT(_target_shouldnotlink ${_target} LT_SHOULDNOTLINK yes)
   GET_TARGET_PROPERTY_WITH_DEFAULT(_target_dlopen ${_target} LT_DLOPEN "")
   GET_TARGET_PROPERTY_WITH_DEFAULT(_target_dlpreopen ${_target} LT_DLPREOPEN "")
   GET_FILENAME_COMPONENT(_laname ${_target_location} NAME_WE)
   GET_FILENAME_COMPONENT(_soname ${_target_location} NAME)
   SET(_laname ${PROJECT_BINARY_DIR}/${_laname}.la)
   FILE(WRITE ${_laname} "# ${_laname} - a libtool library file\n")
   FILE(WRITE ${_laname} "# Generated by CMake ${CMAKE_VERSION} (like GNU libtool)\n")
   FILE(WRITE ${_laname} "\n# Please DO NOT delete this file!\n# It is necessary for linking the library with libtool.\n\n" )
   FILE(APPEND ${_laname} "# The name that we can dlopen(3).\n")
   FILE(APPEND ${_laname} "dlname='${_soname}'\n\n")
   FILE(APPEND ${_laname} "# Names of this library.\n")
   FILE(APPEND ${_laname} "library_names='${_soname}.${_target_current}.${_target_age}.${_target_revision} ${_soname}.${_target_current} ${_soname}'\n\n")
   FILE(APPEND ${_laname} "# The name of the static archive.\n")
   FILE(APPEND ${_laname} "old_library='${_target_static_lib}'\n\n")
   FILE(APPEND ${_laname} "# Libraries that this one depends upon.\n")
   FILE(APPEND ${_laname} "dependency_libs='${_target_dependency_libs}'\n\n")
   FILE(APPEND ${_laname} "# Names of additional weak libraries provided by this library\n")
   FILE(APPEND ${_laname} "weak_library_names=\n\n")
   FILE(APPEND ${_laname} "# Version information for ${_laname}.\n")
   FILE(APPEND ${_laname} "current=${_target_current}\n")
   FILE(APPEND ${_laname} "age=${_target_age}\n")
   FILE(APPEND ${_laname} "revision=${_target_revision}\n\n")
   FILE(APPEND ${_laname} "# Is this an already installed library?\n")
   FILE(APPEND ${_laname} "installed=${_target_installed}\n\n")
   FILE(APPEND ${_laname} "# Should we warn about portability when linking against -modules?\n")
   FILE(APPEND ${_laname} "shouldnotlink=${_target_shouldnotlink}\n\n")
   FILE(APPEND ${_laname} "# Files to dlopen/dlpreopen\n")
   FILE(APPEND ${_laname} "dlopen='${_target_dlopen}'\n")
   FILE(APPEND ${_laname} "dlpreopen='${_target_dlpreopen}'\n\n")
   FILE(APPEND ${_laname} "# Directory that this library needs to be installed in:\n")
   FILE(APPEND ${_laname} "libdir='${CMAKE_INSTALL_PREFIX}${_install_DIR}'\n")
   INSTALL( FILES ${_laname} DESTINATION ${CMAKE_INSTALL_PREFIX}${_install_DIR})
 ENDMACRO(CREATE_LIBTOOL_FILE)

ADD_SUBDIRECTORY ( Half )
ADD_SUBDIRECTORY ( Iex )
ADD_SUBDIRECTORY ( IexMath )
ADD_SUBDIRECTORY ( Imath )
ADD_SUBDIRECTORY ( IlmThread )

IF (WIN32)
  FILE ( COPY ${CMAKE_SOURCE_DIR}/config.windows/IlmBaseConfig.h
    DESTINATION ${CMAKE_SOURCE_DIR}/config
    )
ELSE ()
  FILE ( WRITE ${CMAKE_SOURCE_DIR}/config/IlmBaseConfig.h "#define HAVE_PTHREAD 1\n" )
  FILE ( APPEND ${CMAKE_SOURCE_DIR}/config/IlmBaseConfig.h "#define HAVE_POSIX_SEMAPHORES 1\n" )
  FILE ( APPEND ${CMAKE_SOURCE_DIR}/config/IlmBaseConfig.h "#define ILMBASE_VERSION_STRING \"2.0.0\"\n" )
  FILE ( APPEND ${CMAKE_SOURCE_DIR}/config/IlmBaseConfig.h "#define ILMBASE_PACKAGE_STRING \"IlmBase 2.0.0\"\n" )
ENDIF ()

SET_TARGET_PROPERTIES ( Half
  PROPERTIES
  VERSION 10.0.0
  SOVERSION 10
  )
SET_TARGET_PROPERTIES ( Iex
  PROPERTIES
  VERSION 10.0.0
  SOVERSION 10
  )
SET_TARGET_PROPERTIES ( Imath
  PROPERTIES
  VERSION 10.0.0
  SOVERSION 10
  )
SET_TARGET_PROPERTIES ( IlmThread
  PROPERTIES
  VERSION 10.0.0
  SOVERSION 10
  )
SET_TARGET_PROPERTIES ( IexMath
  PROPERTIES
  VERSION 10.0.0
  SOVERSION 10
  )

IF ( NOT WIN32 )
  CREATE_LIBTOOL_FILE ( Half /lib )
  CREATE_LIBTOOL_FILE ( Iex /lib )
  CREATE_LIBTOOL_FILE ( IexMath /lib )
  CREATE_LIBTOOL_FILE ( Imath /lib )
  CREATE_LIBTOOL_FILE ( IlmThread /lib )
ENDIF ()

# Tests

ADD_SUBDIRECTORY ( HalfTest )
ADD_SUBDIRECTORY ( IexTest )
ADD_SUBDIRECTORY ( ImathTest )

# Installation

INSTALL ( FILES 
  config/IlmBaseConfig.h
  DESTINATION
  include/OpenEXR

)

FILE ( WRITE ${CMAKE_BINARY_DIR}/IlmBase.pc "prefix=${CMAKE_INSTALL_PREFIX}\n" )
FILE ( APPEND ${CMAKE_BINARY_DIR}/IlmBase.pc "exec_prefix=\${prefix}
libdir=\${exec_prefix}/lib
includedir=\${prefix}/include
OpenEXR_includedir=\${prefix}/include/OpenEXR

Name: IlmBase
Description: Base math and exception libraries
Version: 1.1.0
Libs: -L\${libdir} -lImath -lIexMath -lHalf -lIex -lIlmThread -pthread
Cflags: -pthread -I\${OpenEXR_includedir}
")

INSTALL ( FILES
  ${CMAKE_BINARY_DIR}/IlmBase.pc
  DESTINATION
  lib/pkgconfig
)
