CMAKE_MINIMUM_REQUIRED(VERSION 2.8)

PROJECT (openexr)

SET(OPENEXR_VERSION_MAJOR "2")

SET(OPENEXR_VERSION_MINOR "2")

SET(OPENEXR_VERSION_PATCH "0")

SET(OPENEXR_VERSION ${OPENEXR_VERSION_MAJOR}.${OPENEXR_VERSION_MINOR}.${OPENEXR_VERSION_PATCH})

SET(OPENEXR_VERSION_API ${OPENEXR_VERSION_MAJOR}_${OPENEXR_VERSION_MINOR})

# enable the tests

ENABLE_TESTING()

# distro building 

SET(CPACK_PACKAGE_VERSION_MAJOR "${OPENEXR_VERSION_MAJOR}")

SET(CPACK_PACKAGE_VERSION_MINOR "${OPENEXR_VERSION_MINOR}")

SET(CPACK_PACKAGE_VERSION_PATCH "${OPENEXR_VERSION_PATCH}")

SET(CPACK_SOURCE_GENERATOR "TGZ")

set(CPACK_SOURCE_PACKAGE_FILE_NAME

    "${CMAKE_PROJECT_NAME}-${OPENEXR_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)

OPTION (USE_ZLIB_WINAPI      "Use ZLib Win API"       OFF)

OPTION (NAMESPACE_VERSIONING "Use Namespace Versioning" ON)

# Setup osx rpathing

SET (CMAKE_MACOSX_RPATH 1)

SET (BUILD_WITH_INSTALL_RPATH 1)

ADD_DEFINITIONS ( -DHAVE_CONFIG_H -DILM_IMF_TEST_IMAGEDIR="${CMAKE_SOURCE_DIR}/IlmImfTest/" )

INCLUDE_DIRECTORIES (

  ${CMAKE_CURRENT_BINARY_DIR}/config

  IlmImf

  IlmImfUtil

  exrmaketiled

  exrenvmap

  exrmakepreview

  exrmultiview

  IlmImfFuzzTest

)

FIND_PACKAGE(ZLIB REQUIRED)

INCLUDE_DIRECTORIES(${ZLIB_INCLUDE_DIR})

IF (NOT WIN32)

  SET ( PTHREAD_LIB pthread )

ENDIF()

INCLUDE_DIRECTORIES ( ${ILMBASE_PACKAGE_PREFIX}/include/OpenEXR )

LINK_DIRECTORIES ( ${ILMBASE_PACKAGE_PREFIX}/lib )

MESSAGE ( "ILMBASE_PACKAGE_PREFIX = " ${ILMBASE_PACKAGE_PREFIX})

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 ()

IF (USE_ZLIB_WINAPI)

  ADD_DEFINITIONS(-DZLIB_WINAPI)

ENDIF ()

# Test for GCC-style inline asm support with AVX instructions

INCLUDE (CheckCXXSourceCompiles)

CHECK_CXX_SOURCE_COMPILES (

	"

	int main()

	{

	 #if defined(__GNUC__) && defined(__SSE2__) 

		 int n   = 0;

		 int eax = 0;

		 int edx = 0;

		 __asm__(

			 \"xgetbv     ;\"

			 \"vzeroupper  \"

			 : \"=a\"(eax), \"=d\"(edx) : \"c\"(n) : );

	 #else

		 #error No GCC style inline asm supported for AVX instructions

	 #endif

	}

	" HAVE_GCC_INLINE_ASM_AVX)

# Check if sysconf(_SC_NPROCESSORS_ONLN) can be used for CPU count

CHECK_CXX_SOURCE_COMPILES (

    "

    #include <unistd.h>

    int main()

    {

        sysconf(_SC_NPROCESSORS_ONLN);

    }

    " HAVE_SYSCONF_NPROCESSORS_ONLN)

##########################

# OpenEXRConfig.h generation

##########################

IF (WIN32)

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

ELSEIF (APPLE)

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

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

  FILE ( APPEND ${CMAKE_CURRENT_BINARY_DIR}/config/OpenEXRConfig.h "#include <string.h>\n" )

ELSE ()

  # Linux

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

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

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

ENDIF()

IF (NAMESPACE_VERSIONING)

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

    FILE ( APPEND ${CMAKE_CURRENT_BINARY_DIR}/config/OpenEXRConfig.h "#define OPENEXR_IMF_NAMESPACE Imf\n" )

    FILE ( APPEND ${CMAKE_CURRENT_BINARY_DIR}/config/OpenEXRConfig.h "#define OPENEXR_IMF_INTERNAL_NAMESPACE Imf_${OPENEXR_VERSION_API}\n\n" )

ELSE ()

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

    FILE ( APPEND ${CMAKE_CURRENT_BINARY_DIR}/config/OpenEXRConfig.h "#define OPENEXR_IMF_NAMESPACE Imf\n" )

    FILE ( APPEND ${CMAKE_CURRENT_BINARY_DIR}/config/OpenEXRConfig.h "#define OPENEXR_IMF_INTERNAL_NAMESPACE Imf\n\n" )

ENDIF ()

FILE ( APPEND ${CMAKE_CURRENT_BINARY_DIR}/config/OpenEXRConfig.h "#define OPENEXR_VERSION_STRING \"${OPENEXR_VERSION}\"\n" )

FILE ( APPEND ${CMAKE_CURRENT_BINARY_DIR}/config/OpenEXRConfig.h "#define OPENEXR_PACKAGE_STRING \"OpenEXR ${OPENEXR_VERSION}\"\n" )

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

#define OPENEXR_VERSION_MAJOR ${OPENEXR_VERSION_MAJOR}

#define OPENEXR_VERSION_MINOR ${OPENEXR_VERSION_MINOR}

#define OPENEXR_VERSION_PATCH ${OPENEXR_VERSION_PATCH}

")

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

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

#define OPENEXR_VERSION_HEX ((OPENEXR_VERSION_MAJOR << 24) | \\

                             (OPENEXR_VERSION_MINOR << 16) | \\

                             (OPENEXR_VERSION_PATCH <<  8))\n

")

IF (HAVE_GCC_INLINE_ASM_AVX)

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

ENDIF()

IF (HAVE_SYSCONF_NPROCESSORS_ONLN)

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

ENDIF()

SET (OPENEXR_LIBSUFFIX "")

SET (ILMBASE_LIBSUFFIX "")

IF (NAMESPACE_VERSIONING)

  SET ( OPENEXR_LIBSUFFIX "-${OPENEXR_VERSION_API}" )

  # assume same NAMESPACE_VERSION setting for IlmBase for now

  SET ( ILMBASE_LIBSUFFIX "-${OPENEXR_VERSION_API}" )

ENDIF ()

##########################

# IlmImf library

##########################

ADD_SUBDIRECTORY ( IlmImf )

SET_TARGET_PROPERTIES ( IlmImf

  PROPERTIES

  VERSION 23.0.0

  SOVERSION 23

  OUTPUT_NAME "IlmImf${OPENEXR_LIBSUFFIX}"

  )

##########################

# IlmImfUtil library

##########################

ADD_SUBDIRECTORY ( IlmImfUtil )

SET_TARGET_PROPERTIES ( IlmImfUtil

  PROPERTIES

  VERSION 23.0.0

  SOVERSION 23

  OUTPUT_NAME "IlmImfUtil${OPENEXR_LIBSUFFIX}"

  )

##########################

# Example Code

##########################

ADD_SUBDIRECTORY ( IlmImfExamples )

##########################

# Tests

##########################

ADD_SUBDIRECTORY ( IlmImfTest )

ADD_SUBDIRECTORY ( IlmImfUtilTest )

ADD_SUBDIRECTORY ( IlmImfFuzzTest )

##########################

# Binaries / Utilities

##########################

ADD_SUBDIRECTORY ( exrheader )

ADD_SUBDIRECTORY ( exrmaketiled )

ADD_SUBDIRECTORY ( exrstdattr )

ADD_SUBDIRECTORY ( exrmakepreview )

ADD_SUBDIRECTORY ( exrenvmap )

ADD_SUBDIRECTORY ( exrmultiview )

ADD_SUBDIRECTORY ( exrmultipart )

##########################

# Installation

##########################

INSTALL ( FILES

  ${CMAKE_CURRENT_BINARY_DIR}/config/OpenEXRConfig.h

  DESTINATION

  ${CMAKE_INSTALL_PREFIX}/include/OpenEXR

  )

# Documentation

INSTALL ( FILES

  doc/TechnicalIntroduction.pdf

  doc/ReadingAndWritingImageFiles.pdf

  doc/OpenEXRFileLayout.pdf

  doc/MultiViewOpenEXR.pdf

  doc/InterpretingDeepPixels.pdf

  doc/TheoryDeepPixels.pdf

  DESTINATION

  ${CMAKE_INSTALL_PREFIX}/share/doc/OpenEXR-${OPENEXR_VERSION}

  )

# Examples

INSTALL ( FILES

  IlmImfExamples/main.cpp

  IlmImfExamples/drawImage.cpp

  IlmImfExamples/rgbaInterfaceExamples.cpp

  IlmImfExamples/rgbaInterfaceTiledExamples.cpp

  IlmImfExamples/generalInterfaceExamples.cpp

  IlmImfExamples/lowLevelIoExamples.cpp

  IlmImfExamples/previewImageExamples.cpp

  IlmImfExamples/generalInterfaceTiledExamples.cpp

  IlmImfExamples/generalInterfaceTiledExamples.h

  IlmImfExamples/drawImage.h

  IlmImfExamples/rgbaInterfaceExamples.h

  IlmImfExamples/generalInterfaceExamples.h

  IlmImfExamples/rgbaInterfaceTiledExamples.h

  IlmImfExamples/lowLevelIoExamples.h

  IlmImfExamples/previewImageExamples.h

  IlmImfExamples/namespaceAlias.h

  DESTINATION

  ${CMAKE_INSTALL_PREFIX}/share/doc/OpenEXR-${OPENEXR_VERSION}/examples

  )