# TODO:
# 1. Problems generating html pages.
# 2. create usable libtool .la file

CMAKE_MINIMUM_REQUIRED(VERSION 3.0.2)

PROJECT(libzip C)

INCLUDE(CheckFunctionExists)
INCLUDE(CheckIncludeFiles)
INCLUDE(CheckSymbolExists)
INCLUDE(CheckTypeSize)
INCLUDE(CheckCSourceRuns)
INCLUDE(CheckCSourceCompiles)
INCLUDE(CheckStructHasMember)
INCLUDE(TestBigEndian)
INCLUDE(GNUInstallDirs)

OPTION(BUILD_SHARED_LIBS "Build shared libraries" ON)

SET(PACKAGE "libzip")
SET(PACKAGE_NAME ${PACKAGE})
SET(PACKAGE_VERSION_MAJOR "1")
SET(PACKAGE_VERSION_MINOR "3")
SET(PACKAGE_VERSION_MICRO "2a")
#SET(VERSION "${PACKAGE_VERSION_MAJOR}.${PACKAGE_VERSION_MINOR}")
SET(VERSION "${PACKAGE_VERSION_MAJOR}.${PACKAGE_VERSION_MINOR}.${PACKAGE_VERSION_MICRO}")
SET(PACKAGE_VERSION ${VERSION})
SET(LIBZIP_VERSION ${PACKAGE_VERSION})
SET(LIBZIP_VERSION_MAJOR ${PACKAGE_VERSION_MAJOR})
SET(LIBZIP_VERSION_MINOR ${PACKAGE_VERSION_MINOR})
SET(LIBZIP_VERSION_MICRO ${PACKAGE_VERSION_MICRO})
SET(PACKAGE_STRING "${PACKAGE_NAME} ${PACKAGE_VERSION}")

SET(ARCHIVE_NAME ${PACKAGE_NAME}-${PACKAGE_VERSION})
ADD_CUSTOM_TARGET(dist
  COMMAND git config tar.tar.xz.command "xz -c"
  COMMAND git archive --prefix=${ARCHIVE_NAME}/ -o ${ARCHIVE_NAME}.tar.gz HEAD
  COMMAND git archive --prefix=${ARCHIVE_NAME}/ -o ${ARCHIVE_NAME}.tar.xz HEAD
  WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
  )
IF(NOT BUILD_SHARED_LIBS)
  SET(ZIP_STATIC TRUE)
ENDIF()

# Checks

CHECK_FUNCTION_EXISTS(_chmod HAVE__CHMOD)
CHECK_FUNCTION_EXISTS(_close HAVE__CLOSE)
CHECK_FUNCTION_EXISTS(_dup HAVE__DUP)
CHECK_FUNCTION_EXISTS(_fdopen HAVE__FDOPEN)
CHECK_FUNCTION_EXISTS(_fileno HAVE__FILENO)
CHECK_FUNCTION_EXISTS(_open HAVE__OPEN)
CHECK_FUNCTION_EXISTS(_setmode HAVE__SETMODE)
CHECK_FUNCTION_EXISTS(_snprintf HAVE__SNPRINTF)
CHECK_FUNCTION_EXISTS(_strdup HAVE__STRDUP)
CHECK_FUNCTION_EXISTS(_stricmp HAVE__STRICMP)
CHECK_FUNCTION_EXISTS(_strtoi64 HAVE__STRTOI64)
CHECK_FUNCTION_EXISTS(_strtoui64 HAVE__STRTOUI64)
CHECK_FUNCTION_EXISTS(_umask HAVE__UMASK)
CHECK_FUNCTION_EXISTS(_unlink HAVE__UNLINK)
CHECK_FUNCTION_EXISTS(explict_bzero HAVE_EXPLICIT_BZERO)
CHECK_FUNCTION_EXISTS(explicit_memset HAVE_EXPLICIT_MEMSET)
CHECK_FUNCTION_EXISTS(fileno HAVE_FILENO)
CHECK_FUNCTION_EXISTS(fseeko HAVE_FSEEKO)
CHECK_FUNCTION_EXISTS(ftello HAVE_FTELLO)
CHECK_FUNCTION_EXISTS(getprogname HAVE_GETPROGNAME)
CHECK_FUNCTION_EXISTS(open HAVE_OPEN)
CHECK_FUNCTION_EXISTS(mkstemp HAVE_MKSTEMP)
CHECK_FUNCTION_EXISTS(setmode HAVE_SETMODE)
CHECK_FUNCTION_EXISTS(snprintf HAVE_SNPRINTF)
CHECK_FUNCTION_EXISTS(strcasecmp HAVE_STRCASECMP)
CHECK_FUNCTION_EXISTS(strdup HAVE_STRDUP)
CHECK_FUNCTION_EXISTS(stricmp HAVE_STRICMP)
CHECK_FUNCTION_EXISTS(strtoll HAVE_STRTOLL)
CHECK_FUNCTION_EXISTS(strtoull HAVE_STRTOULL)

CHECK_INCLUDE_FILES(fts.h HAVE_FTS_H)
CHECK_INCLUDE_FILES(stdbool.h HAVE_STDBOOL_H)
CHECK_INCLUDE_FILES(strings.h HAVE_STRINGS_H)
CHECK_INCLUDE_FILES(unistd.h HAVE_UNISTD_H)

CHECK_INCLUDE_FILES(inttypes.h HAVE_INTTYPES_H_LIBZIP)
CHECK_INCLUDE_FILES(stdint.h HAVE_STDINT_H_LIBZIP)
CHECK_INCLUDE_FILES(sys/types.h HAVE_SYS_TYPES_H_LIBZIP)

# TODO: fix test
# this test does not find __progname even when it exists
#CHECK_SYMBOL_EXISTS(__progname stdlib.h HAVE___PROGNAME)

CHECK_TYPE_SIZE(__int8 __INT8_LIBZIP)
CHECK_TYPE_SIZE(int8_t INT8_T_LIBZIP)
CHECK_TYPE_SIZE(uint8_t UINT8_T_LIBZIP)
CHECK_TYPE_SIZE(__int16 __INT16_LIBZIP)
CHECK_TYPE_SIZE(int16_t INT16_T_LIBZIP)
CHECK_TYPE_SIZE(uint16_t UINT16_T_LIBZIP)
CHECK_TYPE_SIZE(__int32 __INT32_LIBZIP)
CHECK_TYPE_SIZE(int32_t INT32_T_LIBZIP)
CHECK_TYPE_SIZE(uint32_t UINT32_T_LIBZIP)
CHECK_TYPE_SIZE(__int64 __INT64_LIBZIP)
CHECK_TYPE_SIZE(int64_t INT64_T_LIBZIP)
CHECK_TYPE_SIZE(uint64_t UINT64_T_LIBZIP)
CHECK_TYPE_SIZE("short" SHORT_LIBZIP)
CHECK_TYPE_SIZE("int" INT_LIBZIP)
CHECK_TYPE_SIZE("long" LONG_LIBZIP)
CHECK_TYPE_SIZE("long long" LONG_LONG_LIBZIP)
CHECK_TYPE_SIZE("off_t" SIZEOF_OFF_T)
CHECK_TYPE_SIZE("size_t" SIZE_T_LIBZIP)
CHECK_TYPE_SIZE("ssize_t" SSIZE_T_LIBZIP)

TEST_BIG_ENDIAN(WORDS_BIGENDIAN)

FIND_PACKAGE(ZLIB REQUIRED)
INCLUDE_DIRECTORIES(${ZLIB_INCLUDE_DIR})
SET(CMAKE_REQUIRED_INCLUDES ${ZLIB_INCLUDE_DIR})
IF(ZLIB_VERSION_STRING VERSION_LESS "1.1.2")
  MESSAGE(FATAL_ERROR "-- ZLIB version too old, please install at least v1.1.2")
ENDIF(ZLIB_VERSION_STRING VERSION_LESS "1.1.2")

FIND_PACKAGE(BZip2)
IF(BZIP2_FOUND)
  SET (HAVE_LIBBZ2 1)

  INCLUDE_DIRECTORIES(${BZIP2_INCLUDE_DIR})
  SET (OPTIONAL_LIBRARY ${BZIP2_LIBRARY})
ENDIF(BZIP2_FOUND)

IF(MSVC)
ADD_DEFINITIONS("-D_CRT_SECURE_NO_WARNINGS")
ADD_DEFINITIONS("-D_CRT_NONSTDC_NO_DEPRECATE")
ENDIF(MSVC)

ADD_DEFINITIONS("-DHAVE_CONFIG_H")

# rpath handling: use rpath in installed binaries
SET(CMAKE_INSTALL_RPATH "${CMAKE_INSTALL_PREFIX}/lib")
SET(CMAKE_INSTALL_RPATH_USE_LINK_PATH TRUE)

# Targets
ADD_SUBDIRECTORY(lib)
ADD_SUBDIRECTORY(man)
ADD_SUBDIRECTORY(src)
ADD_SUBDIRECTORY(regress)
ADD_SUBDIRECTORY(examples)

# pkgconfig file
SET(prefix ${CMAKE_INSTALL_PREFIX})
SET(exec_prefix \${prefix})
SET(libdir \${exec_prefix}/lib)
SET(includedir \${prefix}/include)
IF(BZIP2_FOUND)
  SET(LIBS "${LIBS} -lbz2")
ENDIF()
SET(LIBS "${LIBS} -lz")
IF(CMAKE_SYSTEM_NAME MATCHES BSD)
  SET(PKG_CONFIG_RPATH "-Wl,-R\${libdir}")
ENDIF(CMAKE_SYSTEM_NAME MATCHES BSD)
CONFIGURE_FILE(libzip.pc.in libzip.pc @ONLY)
INSTALL(FILES ${CMAKE_CURRENT_BINARY_DIR}/libzip.pc DESTINATION lib/pkgconfig)

# write out config file
CONFIGURE_FILE(${CMAKE_CURRENT_SOURCE_DIR}/cmake-config.h.in
  ${CMAKE_CURRENT_BINARY_DIR}/config.h)
CONFIGURE_FILE(${CMAKE_CURRENT_SOURCE_DIR}/cmake-zipconf.h.in
  ${CMAKE_CURRENT_BINARY_DIR}/zipconf.h)

# for tests

SET(srcdir ${CMAKE_CURRENT_SOURCE_DIR}/regress)
SET(abs_srcdir ${CMAKE_CURRENT_SOURCE_DIR}/regress)
SET(top_builddir ${CMAKE_BINARY_DIR})

CONFIGURE_FILE(regress/runtest.in ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/runtest @ONLY)
FILE(COPY ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/runtest
  DESTINATION ${CMAKE_BINARY_DIR}/regress
  FILE_PERMISSIONS OWNER_READ OWNER_WRITE OWNER_EXECUTE GROUP_READ GROUP_EXECUTE WORLD_READ WORLD_EXECUTE
)

# installation

INSTALL(FILES ${CMAKE_CURRENT_BINARY_DIR}/zipconf.h DESTINATION lib/libzip/include)