# yue.nicholas@gmail.com

CMAKE_MINIMUM_REQUIRED(VERSION 2.8)

PROJECT ( ilmbase )

SET(ILMBASE_VERSION_MAJOR "2")

SET(ILMBASE_VERSION_MINOR "2")

SET(ILMBASE_VERSION_PATCH "0")

SET(ILMBASE_VERSION ${ILMBASE_VERSION_MAJOR}.${ILMBASE_VERSION_MINOR}.${ILMBASE_VERSION_PATCH})

SET(ILMBASE_VERSION_API ${ILMBASE_VERSION_MAJOR}_${ILMBASE_VERSION_MINOR})

ENABLE_TESTING()

SET(CPACK_PACKAGE_VERSION_MAJOR "${ILMBASE_VERSION_MAJOR}")

SET(CPACK_PACKAGE_VERSION_MINOR "${ILMBASE_VERSION_MINOR}")

SET(CPACK_PACKAGE_VERSION_PATCH "${ILMBASE_VERSION_PATCH}")

SET(CPACK_SOURCE_GENERATOR "TGZ")

set(CPACK_SOURCE_PACKAGE_FILE_NAME

    "${CMAKE_PROJECT_NAME}-${ILMBASE_VERSION}"

  )

set(CPACK_SOURCE_IGNORE_FILES

  "/.git*;/.cvs*;${CPACK_SOURCE_IGNORE_FILES}")

INCLUDE ( CPack )

# Allow the developer to select if Dynamic or Static libraries are built

OPTION (BUILD_SHARED_LIBS "Build Shared Libraries" ON)

# Allow the developer to select if Dynamic or Static libraries are built

OPTION (NAMESPACE_VERSIONING "Namespace Versioning" ON)

# Setup osx rpathing

SET (CMAKE_MACOSX_RPATH 1)

SET (BUILD_WITH_INSTALL_RPATH 1)

IF ( NOT WIN32)

  ADD_DEFINITIONS ( -pthread )

ENDIF ()

INCLUDE_DIRECTORIES ( Iex IexMath Imath Half ${CMAKE_CURRENT_BINARY_DIR}/config IlmThread IexTest ImathTest HalfTest )

# also add the current directory to pick up the autogenerated headers

SET(CMAKE_INCLUDE_CURRENT_DIR ON)

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(APPEND ${_laname} "# Generated by CMake ${CMAKE_VERSION} (like GNU libtool)\n")

   FILE(APPEND ${_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)

SET (LIB_TYPE STATIC)

IF (BUILD_SHARED_LIBS)

  # User wants to build Dynamic Libraries, so change the LIB_TYPE variable to CMake keyword 'SHARED'

  SET (LIB_TYPE SHARED)

  IF (WIN32)

    ADD_DEFINITIONS(-DOPENEXR_DLL)

  ENDIF ()

ENDIF (BUILD_SHARED_LIBS)

ADD_SUBDIRECTORY ( Half )

ADD_SUBDIRECTORY ( Iex )

ADD_SUBDIRECTORY ( IexMath )

ADD_SUBDIRECTORY ( Imath )

ADD_SUBDIRECTORY ( IlmThread )

IF (WIN32)

  FILE ( COPY ${CMAKE_CURRENT_SOURCE_DIR}/config.windows/IlmBaseConfig.h

    DESTINATION ${CMAKE_CURRENT_BINARY_DIR}/config

    )

ELSE ()

  IF (APPLE)

    FILE ( WRITE  ${CMAKE_CURRENT_BINARY_DIR}/config/IlmBaseConfig.h "#define HAVE_PTHREAD 1\n" )

  ELSE ()

    FILE ( WRITE  ${CMAKE_CURRENT_BINARY_DIR}/config/IlmBaseConfig.h "#define HAVE_PTHREAD 1\n" )

    FILE ( APPEND ${CMAKE_CURRENT_BINARY_DIR}/config/IlmBaseConfig.h "#define ILMBASE_HAVE_LARGE_STACK  1\n" )

    FILE ( APPEND ${CMAKE_CURRENT_BINARY_DIR}/config/IlmBaseConfig.h "#define HAVE_POSIX_SEMAPHORES 1\n" )

    FILE ( APPEND ${CMAKE_CURRENT_BINARY_DIR}/config/IlmBaseConfig.h "#define ILMBASE_HAVE_CONTROL_REGISTER_SUPPORT 1\n")

  ENDIF ()

ENDIF ()

IF (NAMESPACE_VERSIONING)

  FILE ( APPEND ${CMAKE_CURRENT_BINARY_DIR}/config/IlmBaseConfig.h "#define ILMBASE_INTERNAL_NAMESPACE_CUSTOM 1\n")

  FILE ( APPEND ${CMAKE_CURRENT_BINARY_DIR}/config/IlmBaseConfig.h "#define IMATH_INTERNAL_NAMESPACE Imath_${ILMBASE_VERSION_API}\n")

  FILE ( APPEND ${CMAKE_CURRENT_BINARY_DIR}/config/IlmBaseConfig.h "#define IEX_INTERNAL_NAMESPACE Iex_${ILMBASE_VERSION_API}\n")

  FILE ( APPEND ${CMAKE_CURRENT_BINARY_DIR}/config/IlmBaseConfig.h "#define ILMTHREAD_INTERNAL_NAMESPACE IlmThread_${ILMBASE_VERSION_API}\n")

ELSE ()

  FILE ( APPEND ${CMAKE_CURRENT_BINARY_DIR}/config/IlmBaseConfig.h "#define ILMBASE_INTERNAL_NAMESPACE_CUSTOM 0\n")

  FILE ( APPEND ${CMAKE_CURRENT_BINARY_DIR}/config/IlmBaseConfig.h "#define IMATH_INTERNAL_NAMESPACE Imath\n")

  FILE ( APPEND ${CMAKE_CURRENT_BINARY_DIR}/config/IlmBaseConfig.h "#define IEX_INTERNAL_NAMESPACE Iex\n")

  FILE ( APPEND ${CMAKE_CURRENT_BINARY_DIR}/config/IlmBaseConfig.h "#define ILMTHREAD_INTERNAL_NAMESPACE IlmThread\n")

ENDIF ()

FILE ( APPEND ${CMAKE_CURRENT_BINARY_DIR}/config/IlmBaseConfig.h "#define IMATH_NAMESPACE Imath\n")

FILE ( APPEND ${CMAKE_CURRENT_BINARY_DIR}/config/IlmBaseConfig.h "#define IEX_NAMESPACE Iex\n")

FILE ( APPEND ${CMAKE_CURRENT_BINARY_DIR}/config/IlmBaseConfig.h "#define ILMTHREAD_NAMESPACE IlmThread\n")

FILE ( APPEND ${CMAKE_CURRENT_BINARY_DIR}/config/IlmBaseConfig.h "#define ILMBASE_VERSION_STRING \"${ILMBASE_VERSION}\"\n" )

FILE ( APPEND ${CMAKE_CURRENT_BINARY_DIR}/config/IlmBaseConfig.h "#define ILMBASE_PACKAGE_STRING \"IlmBase ${ILMBASE_VERSION}\"\n" )

FILE ( APPEND ${CMAKE_CURRENT_BINARY_DIR}/config/IlmBaseConfig.h "#define ILMBASE_VERSION_MAJOR ${ILMBASE_VERSION_MAJOR}\n" )

FILE ( APPEND ${CMAKE_CURRENT_BINARY_DIR}/config/IlmBaseConfig.h "#define ILMBASE_VERSION_MINOR ${ILMBASE_VERSION_MINOR}\n" )

FILE ( APPEND ${CMAKE_CURRENT_BINARY_DIR}/config/IlmBaseConfig.h "#define ILMBASE_VERSION_PATCH ${ILMBASE_VERSION_PATCH}\n" )

FILE ( APPEND ${CMAKE_CURRENT_BINARY_DIR}/config/IlmBaseConfig.h "

// Version as a single hex number, e.g. 0x01000300 == 1.0.3

#define ILMBASE_VERSION_HEX ((ILMBASE_VERSION_MAJOR << 24) | \\

                             (ILMBASE_VERSION_MINOR << 16) | \\

                             (ILMBASE_VERSION_PATCH <<  8))

")

SET (ILMBASE_LIBSUFFIX "")

IF (NAMESPACE_VERSIONING)

  SET ( ILMBASE_LIBSUFFIX "-${ILMBASE_VERSION_API}" )

ENDIF ()

SET_TARGET_PROPERTIES ( Half

  PROPERTIES

  VERSION 12.0.0

  SOVERSION 12

  )

SET_TARGET_PROPERTIES ( Iex

  PROPERTIES

  VERSION 12.0.0

  SOVERSION 12

  OUTPUT_NAME "Iex${ILMBASE_LIBSUFFIX}"

  )

SET_TARGET_PROPERTIES ( Imath

  PROPERTIES

  VERSION 12.0.0

  SOVERSION 12

  OUTPUT_NAME "Imath${ILMBASE_LIBSUFFIX}"

  )

SET_TARGET_PROPERTIES ( IlmThread

  PROPERTIES

  VERSION 12.0.0

  SOVERSION 12

  OUTPUT_NAME "IlmThread${ILMBASE_LIBSUFFIX}"

  )

SET_TARGET_PROPERTIES ( IexMath

  PROPERTIES

  VERSION 12.0.0

  SOVERSION 12

  OUTPUT_NAME "IexMath${ILMBASE_LIBSUFFIX}"

  )

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 

  ${CMAKE_CURRENT_BINARY_DIR}/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: ${ILMBASE_VERSION}

Libs: -L\${libdir} -lImath${ILMBASE_LIBSUFFIX} -lIexMath${ILMBASE_LIBSUFFIX} -lHalf -lIex${ILMBASE_LIBSUFFIX} -lIlmThread${ILMBASE_LIBSUFFIX} -pthread

Cflags: -pthread -I\${OpenEXR_includedir}

")

INSTALL ( FILES

  ${CMAKE_BINARY_DIR}/IlmBase.pc

  DESTINATION

  lib/pkgconfig

)