# Copyright (c) 2014, 2015  Alexander Lamaison <alexander.lamaison@gmail.com>
#
# Redistribution and use in source and binary forms,
# with or without modification, are permitted provided
# that the following conditions are met:
#
#   Redistributions of source code must retain the above
#   copyright notice, this list of conditions and the
#   following disclaimer.
#
#   Redistributions in binary form must reproduce the above
#   copyright notice, this list of conditions and the following
#   disclaimer in the documentation and/or other materials
#   provided with the distribution.
#
#   Neither the name of the copyright holder nor the names
#   of any other contributors may be used to endorse or
#   promote products derived from this software without
#   specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
# CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
# INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
# NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
# USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
# OF SUCH DAMAGE.

cmake_minimum_required(VERSION 2.8.12)

set(CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR}/cmake)

project(libssh2 C)
set(PROJECT_URL "https://www.libssh2.org/")
set(PROJECT_DESCRIPTION "The SSH library")

if (CMAKE_VERSION VERSION_LESS "3.1")
  if (CMAKE_C_COMPILER_ID STREQUAL "GNU")
    set (CMAKE_C_FLAGS "--std=gnu90 ${CMAKE_C_FLAGS}")
  endif()
else()
  set (CMAKE_C_STANDARD 90)
endif()

option(BUILD_SHARED_LIBS "Build Shared Libraries" OFF)

# Parse version

file(READ ${CMAKE_CURRENT_SOURCE_DIR}/include/libssh2.h _HEADER_CONTENTS)
string(
  REGEX REPLACE ".*#define LIBSSH2_VERSION[ \t]+\"([^\"]+)\".*" "\\1"
  LIBSSH2_VERSION "${_HEADER_CONTENTS}")
string(
  REGEX REPLACE ".*#define LIBSSH2_VERSION_MAJOR[ \t]+([0-9]+).*" "\\1"
  LIBSSH2_VERSION_MAJOR "${_HEADER_CONTENTS}")
string(
  REGEX REPLACE ".*#define LIBSSH2_VERSION_MINOR[ \t]+([0-9]+).*" "\\1"
  LIBSSH2_VERSION_MINOR "${_HEADER_CONTENTS}")
string(
  REGEX REPLACE ".*#define LIBSSH2_VERSION_PATCH[ \t]+([0-9]+).*" "\\1"
  LIBSSH2_VERSION_PATCH "${_HEADER_CONTENTS}")

if(NOT LIBSSH2_VERSION OR
   NOT LIBSSH2_VERSION_MAJOR MATCHES "^[0-9]+$" OR
   NOT LIBSSH2_VERSION_MINOR MATCHES "^[0-9]+$" OR
   NOT LIBSSH2_VERSION_PATCH MATCHES "^[0-9]+$")
  message(
    FATAL_ERROR
    "Unable to parse version from"
    "${CMAKE_CURRENT_SOURCE_DIR}/include/libssh2.h")
endif()

include(GNUInstallDirs)
install(
  FILES docs/AUTHORS COPYING docs/HACKING README RELEASE-NOTES NEWS
  DESTINATION ${CMAKE_INSTALL_DOCDIR})

include(max_warnings)
include(FeatureSummary)

add_subdirectory(src)

option(BUILD_EXAMPLES "Build libssh2 examples" ON)
if(BUILD_EXAMPLES)
  add_subdirectory(example)
endif()

option(BUILD_TESTING "Build libssh2 test suite" ON)
if(BUILD_TESTING)
  enable_testing()
  add_subdirectory(tests)
endif()

option(LINT "Check style while building" OFF)
if(LINT)
  add_custom_target(lint ALL
    ./ci/checksrc.sh
    WORKING_DIRECTORY ${libssh2_SOURCE_DIR})
  add_dependencies(libssh2 lint)
endif()

add_subdirectory(docs)

feature_summary(WHAT ALL)

set(CPACK_PACKAGE_VERSION_MAJOR ${LIBSSH2_VERSION_MAJOR})
set(CPACK_PACKAGE_VERSION_MINOR ${LIBSSH2_VERSION_MINOR})
set(CPACK_PACKAGE_VERSION_PATCH ${LIBSSH2_VERSION_PATCH})
set(CPACK_PACKAGE_VERSION ${LIBSSH2_VERSION})
include(CPack)
