cmake_minimum_required(VERSION 2.6)
project(libtiff C)
# This convenient copy of libtiff does not support encapsulated zlib or jpeg
# stream. see ZIP_SUPPORT and JPEG_SUPPORT values

include_directories(BEFORE "${CMAKE_CURRENT_SOURCE_DIR}")
include_directories(BEFORE "${CMAKE_CURRENT_BINARY_DIR}")

set(TARGET_FILES
  t4.h
  tiffiop.h
  tif_aux.c
  tif_close.c
  tif_codec.c
  tif_color.c
  tif_compress.c
  tif_dir.c
  tif_dir.h
  tif_dirinfo.c
  tif_dirread.c
  tif_dirwrite.c
  tif_dumpmode.c
  tif_error.c
  tif_extension.c
  tif_fax3.c
  tif_fax3.h
  tif_fax3sm.c
  tif_flush.c
  tif_getimage.c
  tif_jbig.c
  tif_jpeg.c
  tif_luv.c
  tif_lzw.c
  tif_next.c
  tif_ojpeg.c
  tif_open.c
  tif_packbits.c
  tif_pixarlog.c
  tif_predict.c
  tif_predict.h
  tif_print.c
  tif_read.c
  tif_strip.c
  tif_swab.c
  tif_thunder.c
  tif_tile.c
  tif_version.c
  tif_warning.c
  tif_write.c
  tif_zip.c
  tif_jpeg_12.c
  tif_lzma.c
  uvcode.h
  )

if(UNIX)
  set(TARGET_FILES ${TARGET_FILES} tif_unix.c)
  # Large file support
  # This might not catch every possibility catered for by
  # AC_SYS_LARGEFILE.
  add_definitions(-D_FILE_OFFSET_BITS=64)
  set(_FILE_OFFSET_BITS 64)
else()
  set(TARGET_FILES ${TARGET_FILES} tif_win32.c)
endif()

include(${CMAKE_ROOT}/Modules/TestBigEndian.cmake)
TEST_BIG_ENDIAN(WORDS_BIGENDIAN)
set(HOST_BIGENDIAN ${WORDS_BIGENDIAN})
if(HOST_BIGENDIAN)
set(HOST_FILLORDER "FILLORDER_MSB2LSB")
else()
set(HOST_FILLORDER "FILLORDER_LSB2MSB")
endif()
include(CheckIncludeFiles)
include(CheckSymbolExists)
include(CheckFunctionExists)
include(CheckCSourceCompiles)

CHECK_INCLUDE_FILES("zlib.h" HAVE_ZLIB_H)
CHECK_INCLUDE_FILES("jpeglib.h" HAVE_JPEGLIB_H)
if(HAVE_JPEGLIB_H)
  set(JPEG_SUPPORT 1)
endif()
if(HAVE_ZLIB_H)
  include_directories(
    ${ZLIB_INCLUDE_DIR}
    )
  set(ZIP_SUPPORT 1)
  set(PIXARLOG_SUPPORT 1) # require zlib
endif()
CHECK_INCLUDE_FILES("assert.h" HAVE_ASSERT_H)
CHECK_INCLUDE_FILES("dlfcn.h" HAVE_DLFCN_H)
CHECK_INCLUDE_FILES("fcntl.h" HAVE_FCNTL_H)
CHECK_INCLUDE_FILES("inttypes.h" HAVE_INTTYPES_H)
CHECK_INCLUDE_FILES("io.h" HAVE_IO_H)
CHECK_INCLUDE_FILES("limits.h" HAVE_LIMITS_H)
CHECK_INCLUDE_FILES("malloc.h" HAVE_MALLOC_H)
CHECK_INCLUDE_FILES("memory.h" HAVE_MEMORY_H)
CHECK_INCLUDE_FILES("search.h" HAVE_SEARCH_H)
CHECK_INCLUDE_FILES("stdint.h" HAVE_STDINT_H)
CHECK_INCLUDE_FILES("stdlib.h" HAVE_STDLIB_H)
CHECK_INCLUDE_FILES("string.h" HAVE_STRING_H)
CHECK_INCLUDE_FILES("strings.h" HAVE_STRINGS_H)
CHECK_INCLUDE_FILES("sys/stat.h" HAVE_SYS_STAT_H)
CHECK_INCLUDE_FILES("sys/time.h" HAVE_SYS_TIME_H)
CHECK_INCLUDE_FILES("time.h" HAVE_TIME_H)
CHECK_INCLUDE_FILES("sys/types.h" HAVE_SYS_TYPES_H)
CHECK_INCLUDE_FILES("unistd.h" HAVE_UNISTD_H)
CHECK_INCLUDE_FILES("windows.h" HAVE_WINDOWS_H)
CHECK_INCLUDE_FILES("strings.h" HAVE_STRINGS_H)
CHECK_INCLUDE_FILES("ieeefp.h" HAVE_IEEEFP_H)

# wotsit ?
if( HAVE_TIME_H AND HAVE_SYS_TIME_H )
 set(TIME_WITH_SYS_TIME 1)
endif()
set(LZMA_SUPPORT 0) # ?
set(MDI_SUPPORT 1) # ?
set(STDC_HEADERS 1) # why not ?
set(DEFAULT_EXTRASAMPLE_AS_ALPHA 1)
set(CHECK_JPEG_YCBCR_SUBSAMPLING 1)
set(CCITT_SUPPORT 1)
set(DEFER_STRILE_LOAD 0)
set(HAVE_JBG_NEWLEN 0) # FIXME: jbigkit stuff
set(STRIPCHOP_DEFAULT "TIFF_STRIPCHOP")
set(STRIP_SIZE_DEFAULT 8192)
set(SUBIFD_SUPPORT 1)
set(THUNDER_SUPPORT 1)

CHECK_FUNCTION_EXISTS(getopt HAVE_GETOPT)
CHECK_FUNCTION_EXISTS(isascii HAVE_ISASCII)
CHECK_FUNCTION_EXISTS(memmove HAVE_MEMMOVE)
CHECK_FUNCTION_EXISTS(memset HAVE_MEMSET)
CHECK_FUNCTION_EXISTS(mmap HAVE_MMAP)
CHECK_FUNCTION_EXISTS(strcasecmp HAVE_STRCASECMP)
CHECK_FUNCTION_EXISTS(strchr HAVE_STRCHR)
CHECK_FUNCTION_EXISTS(strrchr HAVE_STRRCHR)
CHECK_FUNCTION_EXISTS(strstr HAVE_STRSTR)
CHECK_FUNCTION_EXISTS(strtol HAVE_STRTOL)
CHECK_FUNCTION_EXISTS(strtoul HAVE_STRTOUL)
CHECK_FUNCTION_EXISTS(strtoull HAVE_STRTOULL)

# May be inlined, so check it compiles:
check_c_source_compiles("
#include <stdio.h>
int main(void) {
  char buf[10];
  snprintf(buf, 10, \"Test %d\", 1);
  return 0;
}" HAVE_SNPRINTF)

if(NOT HAVE_SNPRINTF)
  set(TARGET_FILES ${TARGET_FILES} snprintf.c)
endif()

include(CheckTypeSize)

CHECK_TYPE_SIZE("signed int"         SIZEOF_SIGNED_INT)
CHECK_TYPE_SIZE("signed long"        SIZEOF_SIGNED_LONG)
CHECK_TYPE_SIZE("signed long long"   SIZEOF_SIGNED_LONG_LONG)
CHECK_TYPE_SIZE("signed short"       SIZEOF_SIGNED_SHORT)
CHECK_TYPE_SIZE("unsigned int"       SIZEOF_UNSIGNED_INT)
CHECK_TYPE_SIZE("unsigned long"      SIZEOF_UNSIGNED_LONG)
CHECK_TYPE_SIZE("unsigned long long" SIZEOF_UNSIGNED_LONG_LONG)
CHECK_TYPE_SIZE("unsigned short"     SIZEOF_UNSIGNED_SHORT)
CHECK_TYPE_SIZE("unsigned char*"     SIZEOF_UNSIGNED_CHAR_P)
# check platform has ssize_t:
CHECK_TYPE_SIZE(ssize_t     SSIZE_T)

if(HAVE_STDINT_H)
  set(TIFF_INT8_T    int8_t)
  set(TIFF_INT16_T   int16_t)
  set(TIFF_INT32_T   int32_t)
  set(TIFF_INT64_T   int64_t)
  set(TIFF_UINT8_T   uint8_t)
  set(TIFF_UINT16_T  uint16_t)
  set(TIFF_UINT32_T  uint32_t)
  set(TIFF_UINT64_T  uint64_t)
  set(TIFF_PTRDIFF_T ptrdiff_t)
  if(NOT HAVE_SSIZE_T)
    if("${CMAKE_SIZEOF_VOID_P}" EQUAL 8)
      set(TIFF_SSIZE_T   int64_t)
      set(TIFF_SSIZE_FORMAT "%lld")
      set(TIFF_SIZE_FORMAT "%llu")
    elseif("${CMAKE_SIZEOF_VOID_P}" EQUAL 4)
      set(TIFF_SSIZE_T   int32_t)
      set(TIFF_SSIZE_FORMAT "%d")
      set(TIFF_SIZE_FORMAT "%u")
    else()
      message(FATAL_ERROR "unknown ssize_t")
    endif()
  else()
    set(TIFF_SSIZE_T   ssize_t)
  endif()
  set(TIFF_INT32_FORMAT "%d")
  set(TIFF_UINT32_FORMAT "%u")
  set(TIFF_INT64_FORMAT "%lld")
  set(TIFF_UINT64_FORMAT "%llu")
  set(TIFF_PTRDIFF_FORMAT "%ld")
else()
  set(TIFF_INT8_T    "signed __int8")
  set(TIFF_INT16_T   "signed __int16")
  set(TIFF_INT32_T   "signed __int32")
  set(TIFF_INT64_T   "signed __int64")
  set(TIFF_UINT8_T   "unsigned __int8")
  set(TIFF_UINT16_T  "unsigned __int16")
  set(TIFF_UINT32_T  "unsigned __int32")
  set(TIFF_UINT64_T  "unsigned __int64")
  set(TIFF_PTRDIFF_T ptrdiff_t)
  if(NOT HAVE_SSIZE_T)
    if("${CMAKE_SIZEOF_VOID_P}" EQUAL 8)
      set(TIFF_SSIZE_T   "signed __int64")
      set(TIFF_SSIZE_FORMAT "%lld")
      set(TIFF_SIZE_FORMAT "%llu")
    elseif("${CMAKE_SIZEOF_VOID_P}" EQUAL 4)
      set(TIFF_SSIZE_T   "signed __int32")
      set(TIFF_SSIZE_FORMAT "%d")
      set(TIFF_SIZE_FORMAT "%u")
    else()
      message(FATAL_ERROR "unknown ssize_t")
    endif()
  else()
    set(TIFF_SSIZE_T   ssize_t)
  endif()
  set(TIFF_INT32_FORMAT "%d")
  set(TIFF_UINT32_FORMAT "%u")
  set(TIFF_INT64_FORMAT "%lld")
  set(TIFF_UINT64_FORMAT "%llu")
  set(TIFF_PTRDIFF_FORMAT "%ld")
endif()

#
set(VERSION "\"4.0.6\"")
set(PACKAGE_VERSION ${VERSION})
set(PACKAGE "\"tiff\"")

# universal build ?
if(APPLE)
  set(AC_APPLE_UNIVERSAL_BUILD 1)
endif()
if(UNIX)
  set(CMAKE_REQUIRED_LIBRARIES m)
  set(HAVE_LIBM 1)
endif()
CHECK_SYMBOL_EXISTS(floor "math.h" HAVE_FLOOR)
CHECK_SYMBOL_EXISTS(sqrt "math.h" HAVE_SQRT)
CHECK_SYMBOL_EXISTS(pow "math.h" HAVE_POW)
CHECK_SYMBOL_EXISTS(lfind "search.h" HAVE_LFIND)
CHECK_SYMBOL_EXISTS(setmod "io.h" HAVE_SETMODE)

# http://www.cmake.org/pipermail/cmake/2007-September/016285.html
foreach(KEYWORD "inline" "__inline__" "__inline")
  if(NOT DEFINED C_INLINE)
    try_compile(C_HAS_${KEYWORD} "${CMAKE_CURRENT_BINARY_DIR}"
       "${CMAKE_CURRENT_SOURCE_DIR}/test_inline.c"
       COMPILE_DEFINITIONS "-Dinline=${KEYWORD}")
    if(C_HAS_${KEYWORD})
      set(C_INLINE TRUE)
      set(INLINE_KEYWORD "${KEYWORD}")
    endif(C_HAS_${KEYWORD})
  endif(NOT DEFINED C_INLINE)
endforeach(KEYWORD)

configure_file(${CMAKE_CURRENT_SOURCE_DIR}/tiffconf.h.cmake.in
  ${CMAKE_CURRENT_BINARY_DIR}/tiffconf.h @ONLY)
configure_file(${CMAKE_CURRENT_SOURCE_DIR}/tif_config.h.cmake.in
  ${CMAKE_CURRENT_BINARY_DIR}/tif_config.h @ONLY)

set(LIBTARGET "tiff")
#
add_library(${LIBTARGET} STATIC ${TARGET_FILES})
#
set_target_properties(${LIBTARGET}
  PROPERTIES
  OUTPUT_NAME "${LIBTARGET}"
  ARCHIVE_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/thirdparty/lib
)