cmake_minimum_required(VERSION 2.6)

# Set the default CMAKE_BUILD_TYPE to Release.
# This should be done before the project command since the latter can set
# CMAKE_BUILD_TYPE itself (it does so for nmake).
if (NOT CMAKE_BUILD_TYPE)
  set(CMAKE_BUILD_TYPE Release CACHE STRING
    "Choose the type of build, options are: None(CMAKE_CXX_FLAGS or CMAKE_C_FLAGS used) Debug Release RelWithDebInfo MinSizeRel.")
endif ()

project(FORMAT)

include(CheckCXXCompilerFlag)
foreach (flag -std=c++11 -std=c++0x)
  check_cxx_compiler_flag(${flag} HAVE_STD_CPP11_FLAG)
  if (HAVE_STD_CPP11_FLAG)
    set(CPP11_FLAG ${flag})
    break ()
  endif ()
endforeach ()

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

if (CMAKE_GENERATOR MATCHES "Visual Studio")
  # If Microsoft SDK is installed create script run-msbuild.bat that
  # calls SetEnv.cmd to to set up build environment and runs msbuild.
  # It is useful when building Visual Studio projects with the SDK
  # toolchain rather than Visual Studio.
  include(FindSetEnv)
  if (WINSDK_SETENV)
    set(MSBUILD_SETUP "call \"${WINSDK_SETENV}\"")
  endif ()
  # Set FrameworkPathOverride to get rid of MSB3644 warnings.
  file(WRITE run-msbuild.bat "
    ${MSBUILD_SETUP}
    ${CMAKE_MAKE_PROGRAM} -p:FrameworkPathOverride=\"C:\\Program Files\\Reference Assemblies\\Microsoft\\Framework\\.NETFramework\\v4.0\" %*")
endif ()

add_library(format format.cc format.h)
if (CMAKE_COMPILER_IS_GNUCXX)
  set_target_properties(format PROPERTIES COMPILE_FLAGS
    "-Wall -Wextra -pedantic")
endif ()
if (HAVE_STD_CPP11_FLAG)
  set_target_properties(format PROPERTIES COMPILE_FLAGS ${CPP11_FLAG})
  # Test compilation with default flags.
  file(GLOB src RELATIVE ${CMAKE_CURRENT_SOURCE_DIR} test/*.cc test/*.h)
  add_library(testformat format.cc ${src})
endif ()

add_subdirectory(doc)

# We compile Google Test ourselves instead of using pre-compiled libraries.
# See the Google Test FAQ "Why is it not recommended to install a
# pre-compiled copy of Google Test (for example, into /usr/local)?"
# at http://code.google.com/p/googletest/wiki/FAQ for more details.

# GTest doesn't detect <tuple> with clang.
if ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
  add_definitions(-DGTEST_USE_OWN_TR1_TUPLE=1)
endif ()

include_directories(gtest/include)
add_subdirectory(gtest)

if ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
  add_definitions(-DGTEST_USE_OWN_TR1_TUPLE=1)
endif ()

include(CheckSymbolExists)
if (WIN32)
  check_symbol_exists(open io.h HAVE_OPEN)
else ()
  check_symbol_exists(open fcntl.h HAVE_OPEN)
endif ()
if (HAVE_OPEN)
  add_definitions(-DFMT_USE_FILE_DESCRIPTORS=1)
endif ()

enable_testing()

include_directories(.)

set(TEST_MAIN_SRC test/test-main.cc test/gtest-extra.cc test/gtest-extra.h)
add_library(test-main ${TEST_MAIN_SRC})
target_link_libraries(test-main gtest format)

cxx_test(gtest-extra-test test-main)
cxx_test(format-test test-main)
if (CMAKE_COMPILER_IS_GNUCXX)
  set_target_properties(format-test PROPERTIES COMPILE_FLAGS
    "-Wall -Wextra -pedantic -Wno-long-long -Wno-variadic-macros")
endif ()
if (HAVE_STD_CPP11_FLAG)
  set_target_properties(format-test PROPERTIES COMPILE_FLAGS "-std=c++11")
endif ()

if (HAVE_OPEN)
  add_executable(posix-test test/posix-test.cc ${TEST_MAIN_SRC})
  set_target_properties(posix-test
    PROPERTIES COMPILE_DEFINITIONS "FMT_INCLUDE_POSIX_TEST=1")
  target_link_libraries(posix-test gtest format)
  add_test(posix-test posix-test)
endif ()

add_test(compile-test ${CMAKE_CTEST_COMMAND}
  --build-and-test
  "${CMAKE_CURRENT_SOURCE_DIR}/test"
  "${CMAKE_CURRENT_BINARY_DIR}/test"
  --build-generator ${CMAKE_GENERATOR}
  --build-makeprogram ${CMAKE_MAKE_PROGRAM})

find_library(PROFILER_LIB profiler)
find_path(PROFILER_INCLUDE_DIR gperftools/profiler.h)
if (PROFILER_LIB AND PROFILER_INCLUDE_DIR)
  include_directories(${PROFILER_INCLUDE_DIR})
  set(HAVE_PROFILER TRUE)
endif ()

find_package(Boost)
if (Boost_FOUND)
  add_definitions(-DHAVE_BOOST)
  include_directories(${Boost_INCLUDE_DIRS})
endif ()
if (EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/format-benchmark/tinyformat_test.cpp)
  add_subdirectory(format-benchmark)

  add_executable(tinyformat_speed_test format-benchmark/tinyformat_test.cpp)
  target_link_libraries(tinyformat_speed_test format)
  if (HAVE_PROFILER)
    target_link_libraries(tinyformat_speed_test ${PROFILER_LIB})
    set(PROFILE_DEFS ";FMT_PROFILE")
  endif ()
  set_target_properties(tinyformat_speed_test PROPERTIES COMPILE_DEFINITIONS
    "SPEED_TEST;HAVE_FORMAT;_SCL_SECURE_NO_WARNINGS;${PROFILE_DEFS}")
  if (HAVE_STD_CPP11_FLAG)
    set_target_properties(tinyformat_speed_test PROPERTIES COMPILE_FLAGS "-std=c++11")
  endif ()

  add_custom_target(speed_test
    COMMAND @echo running speed tests...
    COMMAND @echo printf timings:
    COMMAND @time -p ./tinyformat_speed_test printf > /dev/null
    COMMAND @echo iostreams timings:
    COMMAND @time -p ./tinyformat_speed_test iostreams > /dev/null
    COMMAND @echo format timings:
    COMMAND @time -p ./tinyformat_speed_test format > /dev/null
    COMMAND @echo format98 timings:
    COMMAND @time -p ./tinyformat_speed_test format98 > /dev/null
    COMMAND @echo tinyformat timings:
    COMMAND @time -p ./tinyformat_speed_test tinyformat > /dev/null
    COMMAND @echo boost timings:
    COMMAND @time -p ./tinyformat_speed_test boost > /dev/null
    DEPENDS tinyformat_speed_test)

  add_custom_target(bloat_test_debug
    COMMAND echo running bloat tests...
    COMMAND echo printf results:
    COMMAND ./bloat_test.sh
    COMMAND echo iostreams results:
    COMMAND ./bloat_test.sh -DUSE_IOSTREAMS
    COMMAND echo format results:
    COMMAND ./bloat_test.sh -DUSE_FORMAT -L.. -lformat
    COMMAND echo tinyformat results:
    COMMAND ./bloat_test.sh -DUSE_TINYFORMAT
    COMMAND echo boost results:
    COMMAND ./bloat_test.sh -DUSE_BOOST
    WORKING_DIRECTORY tinyformat
    DEPENDS format)

  add_custom_target(bloat_test_optimized
    COMMAND echo running bloat tests...
    COMMAND echo printf results:
    COMMAND ./bloat_test.sh -O3
    COMMAND echo iostreams results:
    COMMAND ./bloat_test.sh -O3 -DUSE_IOSTREAMS
    COMMAND echo format results:
    COMMAND ./bloat_test.sh -O3 -DUSE_FORMAT -L.. -lformat
    COMMAND echo tinyformat results:
    COMMAND ./bloat_test.sh -O3 -DUSE_TINYFORMAT
    COMMAND echo boost results:
    COMMAND ./bloat_test.sh -O3 -DUSE_BOOST
    WORKING_DIRECTORY tinyformat
    DEPENDS format)
endif ()

if (EXISTS .gitignore)
  # Get the list of ignored files from .gitignore.
  file (STRINGS ".gitignore" lines)
  LIST(REMOVE_ITEM lines /doc/html)
  foreach (line ${lines})
    string(REPLACE "." "[.]" line "${line}")
    string(REPLACE "*" ".*" line "${line}")
    set(ignored_files ${ignored_files} "${line}$" "${line}/")
  endforeach ()
  set(ignored_files ${ignored_files} /.git /breathe /format-benchmark sphinx/)

  set(CPACK_SOURCE_GENERATOR ZIP)
  set(CPACK_SOURCE_IGNORE_FILES ${ignored_files})
  set(CPACK_PACKAGE_VERSION_MAJOR 0)
  set(CPACK_PACKAGE_VERSION_MINOR 9)
  set(CPACK_PACKAGE_VERSION_PATCH 0)
  set(CPPFORMAT_VERSION
    ${CPACK_PACKAGE_VERSION_MAJOR}.${CPACK_PACKAGE_VERSION_MINOR}.${CPACK_PACKAGE_VERSION_PATCH})
  set(CPACK_SOURCE_PACKAGE_FILE_NAME cppformat-${CPPFORMAT_VERSION})
  set(CPACK_RESOURCE_FILE_README ${FORMAT_SOURCE_DIR}/README.rst)
  include(CPack)
endif ()

configure_file(doc/conf.py.in doc/conf.py @ONLY)