#

# Check: a unit test framework for C

#

# Copyright (C) 2011 Mateusz Loskot

# Copyright (C) 2001, 2002 Arien Malec

#

# This library is free software; you can redistribute it and/or

# modify it under the terms of the GNU Lesser General Public

# License as published by the Free Software Foundation; either

# version 2.1 of the License, or (at your option) any later version.

#

# This library is distributed in the hope that it will be useful,

# but WITHOUT ANY WARRANTY; without even the implied warranty of

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

# Lesser General Public License for more details.

#

# You should have received a copy of the GNU Lesser General Public

# License along with this library; if not, write to the

# Free Software Foundation, Inc., 59 Temple Place - Suite 330,

# Boston, MA 02111-1307, USA.

#

project(check C)

cmake_minimum_required(VERSION 2.8 FATAL_ERROR)

set(CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake")

macro(extract_version file setting_name)

  file(STRINGS ${file} VERSION_NUMBER REGEX "^${setting_name}")

  string(REPLACE "=" ";" VERSION_NUMBER_LIST ${VERSION_NUMBER})

  list(GET VERSION_NUMBER_LIST 1 ${setting_name})

endmacro(extract_version)

extract_version(configure.ac CHECK_MAJOR_VERSION)

extract_version(configure.ac CHECK_MINOR_VERSION)

extract_version(configure.ac CHECK_MICRO_VERSION)

set(CHECK_VERSION

  "${CHECK_MAJOR_VERSION}.${CHECK_MINOR_VERSION}.${CHECK_MICRO_VERSION}")

set(MEMORY_LEAKING_TESTS_ENABLED 1)

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

# Set build features

set(CMAKE_BUILD_TYPE Debug)

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

# Option

option(CHECK_ENABLE_TESTS

  "Enable the compilation and running of Check's unit tests" ON)

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

# Check system and architecture

if(WIN32)

  if(MSVC60)

    set(WINVER 0x0400)

  else()

    set(WINVER 0x0500)

  endif()

  set(_WIN32_WINNT ${WINVER})

endif(WIN32)

if(MSVC)

  add_definitions(-D_CRT_SECURE_NO_DEPRECATE)

  add_definitions(-D_CRT_SECURE_NO_WARNINGS)

  add_definitions(-D_CRT_NONSTDC_NO_WARNINGS)

endif(MSVC)

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

include(CheckCSourceCompiles)

include(CheckCSourceRuns)

include(CheckFunctionExists)

include(CheckIncludeFile)

include(CheckIncludeFiles)

include(CheckLibraryExists)

include(CheckStructMember)

include(CheckSymbolExists)

include(CheckTypeExists)

include(CheckTypeSize)

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

# Check headers

set(INCLUDES "")

macro(ck_check_include_file header var)

  check_include_files("${INCLUDES};${header}" ${var})

  if(${var})

    set(INCLUDES ${INCLUDES} ${header})

  endif(${var})

endmacro(ck_check_include_file)

# Some FreeBSD headers assume sys/types.h was already included.

ck_check_include_file("sys/types.h" HAVE_SYS_TYPES_H)

# Alphabetize the rest unless there's a compelling reason

ck_check_include_file("errno.h" HAVE_ERRNO_H)

ck_check_include_file("inttypes.h" HAVE_INTTYPES_H)

ck_check_include_file("limits.h" HAVE_LIMITS_H)

ck_check_include_file("regex.h" HAVE_REGEX_H)

ck_check_include_file("signal.h" HAVE_SIGNAL_H)

ck_check_include_file("stdarg.h" HAVE_STDARG_H)

ck_check_include_file("stdint.h" HAVE_STDINT_H)

ck_check_include_file("stdlib.h" HAVE_STDLIB_H)

ck_check_include_file("string.h" HAVE_STRING_H)

ck_check_include_file("strings.h" HAVE_STRINGS_H)

ck_check_include_file("sys/time.h" HAVE_SYS_TIME_H)

ck_check_include_file("time.h" HAVE_TIME_H)

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

# Check functions

check_function_exists(fork HAVE_FORK)

check_function_exists(getline HAVE_GETLINE)

check_function_exists(getpid HAVE_GETPID)

check_function_exists(gettimeofday HAVE_GETTIMEOFDAY)

check_function_exists(localtime_r HAVE_DECL_LOCALTIME_R)

check_function_exists(malloc HAVE_MALLOC)

check_function_exists(mkstemp HAVE_MKSTEMP)

check_function_exists(realloc HAVE_REALLOC)

check_function_exists(setenv HAVE_DECL_SETENV)

check_function_exists(sigaction HAVE_SIGACTION)

check_function_exists(strdup HAVE_DECL_STRDUP)

check_function_exists(strsignal HAVE_DECL_STRSIGNAL)

check_function_exists(_getpid HAVE__GETPID)

check_function_exists(_strdup HAVE__STRDUP)

if (HAVE_REGEX_H)

  check_function_exists(regcomp HAVE_REGCOMP)

  check_function_exists(regexec HAVE_REGEXEC)

endif()

# printf related checks

check_function_exists(snprintf HAVE_SNPRINTF_FUNCTION)

check_function_exists(vsnprintf HAVE_VSNPRINTF_FUNCTION)

check_symbol_exists(snprintf stdio.h HAVE_SNPRINTF_SYMBOL)

check_symbol_exists(vsnprintf stdio.h HAVE_VSNPRINTF_SYMBOL)

if(NOT HAVE_SNPRINTF_FUNCTION AND NOT HAVE_SNPRINTF_SYMBOL)

    add_definitions(-Dsnprintf=rpl_snprintf)

    set(snprintf rpl_snprintf)

    add_definitions(-Dvsnprintf=rpl_vsnprintf)

    set(vsnprintf rpl_vsnprintf)

else(NOT HAVE_SNPRINTF_FUNCTION AND NOT HAVE_SNPRINTF_SYMBOL)

    set(HAVE_SNPRINTF 1)

    add_definitions(-DHAVE_SNPRINTF=1)

    set(HAVE_VSNPRINTF 1)

    add_definitions(-DHAVE_VSNPRINTF=1)

endif(NOT HAVE_SNPRINTF_FUNCTION AND NOT HAVE_SNPRINTF_SYMBOL)

if(HAVE_FORK)

    add_definitions(-DHAVE_FORK=1)

    set(HAVE_FORK 1)

else(HAVE_FORK)

    add_definitions(-DHAVE_FORK=0)

    set(HAVE_FORK 0)

endif(HAVE_FORK)

if(HAVE_MKSTEMP)

    add_definitions(-DHAVE_MKSTEMP=1)

    set(HAVE_MKSTEMP 1)

else(HAVE_MKSTEMP)

    add_definitions(-DHAVE_MKSTEMP=0)

    set(HAVE_MKSTEMP 0)

endif(HAVE_MKSTEMP)

if(HAVE_REGEX_H AND HAVE_REGCOMP AND HAVE_REGEXEC)

    add_definitions(-DHAVE_REGEX=1)

    set(HAVE_REGEX 1)

    add_definitions(-DENABLE_REGEX=1)

    set(ENABLE_REGEX 1)

endif()

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

# Check defines

set(headers "limits.h")

if(HAVE_STDINT_H)

  list(APPEND headers "stdint.h")

endif(HAVE_STDINT_H)

if(HAVE_INTTYPES_H)

  list(APPEND headers "inttypes.h")

endif(HAVE_INTTYPES_H)

check_symbol_exists(INT64_MAX "${headers}" HAVE_INT64_MAX)

check_symbol_exists(INT64_MIN "${headers}" HAVE_INT64_MIN)

check_symbol_exists(UINT32_MAX "${headers}" HAVE_UINT32_MAX)

check_symbol_exists(UINT64_MAX "${headers}" HAVE_UINT64_MAX)

check_symbol_exists(SIZE_MAX "${headers}" HAVE_SIZE_MAX)

check_symbol_exists(SSIZE_MAX "limits.h"   HAVE_SSIZE_MAX)

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

# Check struct members

# Check for  tv_sec in struct timeval

if(NOT HAVE_SYS_TIME_H)

    if(MSVC)

        check_struct_member("struct timeval" tv_sec "Winsock2.h" HAVE_STRUCT_TIMEVAL_TV_SEC)

        check_struct_member("struct timeval" tv_usec "Winsock2.h" HAVE_STRUCT_TIMEVAL_TV_USEC)

        check_struct_member("struct timespec" tv_sec "Winsock2.h" HAVE_WINSOCK2_H_STRUCT_TIMESPEC_TV_SEC)

        check_struct_member("struct timespec" tv_sec "time.h" HAVE_TIME_H_STRUCT_TIMESPEC_TV_SEC)

        check_struct_member("struct itimerspec" it_value "Winsock2.h" HAVE_STRUCT_ITIMERSPEC_IT_VALUE)

        if(NOT HAVE_WINSOCK2_H_STRUCT_TIMESPEC_TV_SEC AND NOT HAVE_TIME_H_STRUCT_TIMESPEC_TV_SEC)

            add_definitions(-DSTRUCT_TIMESPEC_DEFINITION_MISSING=1)

            set(STRUCT_TIMESPEC_DEFINITION_MISSING 1)

        endif(NOT HAVE_WINSOCK2_H_STRUCT_TIMESPEC_TV_SEC AND NOT HAVE_TIME_H_STRUCT_TIMESPEC_TV_SEC)

        if(NOT HAVE_STRUCT_ITIMERSPEC_IT_VALUE)

            add_definitions(-DSTRUCT_ITIMERSPEC_DEFINITION_MISSING=1)

            set(STRUCT_ITIMERSPEC_DEFINITION_MISSING 1)

        endif(NOT HAVE_STRUCT_ITIMERSPEC_IT_VALUE)

    endif(MSVC)

endif(NOT HAVE_SYS_TIME_H)

# OSX has sys/time.h, but it still lacks itimerspec

if(HAVE_SYS_TIME_H)

    check_struct_member("struct itimerspec" it_value "sys/time.h" HAVE_STRUCT_ITIMERSPEC_IT_VALUE)

    if(NOT HAVE_STRUCT_ITIMERSPEC_IT_VALUE)

        add_definitions(-DSTRUCT_ITIMERSPEC_DEFINITION_MISSING=1)

        set(STRUCT_ITIMERSPEC_DEFINITION_MISSING 1)

    endif(NOT HAVE_STRUCT_ITIMERSPEC_IT_VALUE)

endif(HAVE_SYS_TIME_H)

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

# Check for integer types

check_type_size("short" SIZE_OF_SHORT)

check_type_size("int" SIZE_OF_INT)

check_type_size("long" SIZE_OF_LONG)

check_type_size("long long" SIZE_OF_LONG_LONG)

check_type_size("unsigned short" SIZE_OF_UNSIGNED_SHORT)

check_type_size("unsigned" SIZE_OF_UNSIGNED)

check_type_size("unsigned long" SIZE_OF_UNSIGNED_LONG)

check_type_size("unsigned long long" SIZE_OF_UNSIGNED_LONG_LONG)

check_type_size("__int64" __INT64)

check_type_size("unsigned __int64" UNSIGNED___INT64)

check_type_size(int16_t INT16_T)

check_type_size(int32_t INT32_T)

check_type_size(int64_t INT64_T)

check_type_size(intmax_t INTMAX_T)

check_type_size(uint8_t UINT8_T)

check_type_size(uint16_t UINT16_T)

check_type_size(uint32_t UINT32_T)

check_type_size(uint64_t UINT64_T)

check_type_size(uintmax_t UINTMAX_T)

#

set(CMAKE_EXTRA_INCLUDE_FILES time.h)

check_type_size(clock_t CLOCK_T)

if(NOT HAVE_CLOCK_T)

  set(clock_t int)

endif(NOT HAVE_CLOCK_T)

unset(CMAKE_EXTRA_INCLUDE_FILES)

#

set(CMAKE_EXTRA_INCLUDE_FILES time.h)

check_type_size(clockid_t CLOCKID_T)

if(NOT HAVE_CLOCKID_T)

  set(clockid_t int)

endif(NOT HAVE_CLOCKID_T)

unset(CMAKE_EXTRA_INCLUDE_FILES)

#

check_type_size(size_t SIZE_T)

if(NOT HAVE_SIZE_T)

  if("${CMAKE_SIZEOF_VOID_P}" EQUAL 8)

    set(size_t "uint64_t")

  else("${CMAKE_SIZEOF_VOID_P}" EQUAL 8)

    set(size_t   "uint32_t")

  endif("${CMAKE_SIZEOF_VOID_P}" EQUAL 8)

endif(NOT HAVE_SIZE_T)

#

check_type_size(ssize_t SSIZE_T)

if(NOT HAVE_SSIZE_T)

  if("${CMAKE_SIZEOF_VOID_P}" EQUAL 8)

    set(ssize_t "int64_t")

  else("${CMAKE_SIZEOF_VOID_P}" EQUAL 8)

    set(ssize_t "long")

  endif("${CMAKE_SIZEOF_VOID_P}" EQUAL 8)

endif(NOT HAVE_SSIZE_T)

#

check_type_size(pid_t PID_T)

if(NOT HAVE_PID_T)

  if(WIN32)

    set(pid_t "int")

  else(WIN32)

    MESSAGE(FATAL_ERROR "pid_t doesn't exist on this platform?")

  endif(WIN32)

endif(NOT HAVE_PID_T)

#

set(CMAKE_EXTRA_INCLUDE_FILES time.h)

check_type_size(timer_t TIMER_T)

if(NOT HAVE_TIMER_T)

  set(timer_t int)

endif(NOT HAVE_TIMER_T)

unset(CMAKE_EXTRA_INCLUDE_FILES)

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

# Check libraries

check_library_exists(m floor "" HAVE_LIBM)

if (HAVE_LIBM)

    set (LIBM "m")

endif (HAVE_LIBM)

check_library_exists(rt clock_gettime "" HAVE_LIBRT)

if (HAVE_LIBRT)

    set(LIBRT "rt")

    ADD_DEFINITIONS(-DHAVE_LIBRT=1)

endif (HAVE_LIBRT)

check_library_exists(subunit subunit_test_start "" HAVE_SUBUNIT)

if (HAVE_SUBUNIT)

    set(SUBUNIT "subunit")

    set(ENABLE_SUBUNIT 1)

    add_definitions(-DENABLE_SUBUNIT=1)

else(HAVE_SUBUNIT)

    set(ENABLE_SUBUNIT 0)

    add_definitions(-DENABLE_SUBUNIT=0)

endif (HAVE_SUBUNIT)

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

# Generate "config.h" from "cmake/config.h.cmake"

configure_file(${CMAKE_CURRENT_SOURCE_DIR}/cmake/config.h.in

  ${CMAKE_CURRENT_BINARY_DIR}/config.h)

include_directories(BEFORE ${CMAKE_CURRENT_BINARY_DIR})

add_definitions(-DHAVE_CONFIG_H)

set(CONFIG_HEADER ${CMAKE_CURRENT_BINARY_DIR}/config.h)

configure_file(${CMAKE_CURRENT_SOURCE_DIR}/cmake/check_stdint.h.in

  ${CMAKE_CURRENT_BINARY_DIR}/check_stdint.h)

install(FILES ${CMAKE_CURRENT_BINARY_DIR}/check_stdint.h DESTINATION include)

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

# Subdirectories

add_subdirectory(lib)

add_subdirectory(src)

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

# Unit tests

if (CHECK_ENABLE_TESTS)

  add_subdirectory(tests)

  enable_testing()

  add_test(NAME check_check COMMAND check_check)

  add_test(NAME check_check_export COMMAND check_check_export)

  # Only offer to run shell scripts if we may have a working interpreter

  if(UNIX OR MINGW OR MSYS)

    add_test(NAME test_output.sh

      WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/tests

      COMMAND sh ${CMAKE_CURRENT_SOURCE_DIR}/tests/test_output.sh)

    add_test(NAME test_log_output.sh

      WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/tests

      COMMAND sh ${CMAKE_CURRENT_SOURCE_DIR}/tests/test_log_output.sh)

    add_test(NAME test_xml_output.sh

      WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/tests

      COMMAND sh ${CMAKE_CURRENT_SOURCE_DIR}/tests/test_xml_output.sh)

    add_test(NAME test_tap_output.sh

      WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/tests

      COMMAND sh ${CMAKE_CURRENT_SOURCE_DIR}/tests/test_tap_output.sh)

    add_test(NAME test_check_nofork.sh

      WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/tests

      COMMAND sh ${CMAKE_CURRENT_SOURCE_DIR}/tests/test_check_nofork.sh)

    add_test(NAME test_check_nofork_teardown.sh

      WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/tests

      COMMAND sh ${CMAKE_CURRENT_SOURCE_DIR}/tests/test_check_nofork_teardown.sh)

    add_test(NAME test_set_max_msg_size.sh

      WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/tests

      COMMAND sh ${CMAKE_CURRENT_SOURCE_DIR}/tests/test_set_max_msg_size.sh)

  endif(UNIX OR MINGW OR MSYS)

endif()