project(s2 CXX)
set(PROJECT_NAME s2)
set(PROJECT_VERSION 0.1.0)
cmake_minimum_required(VERSION 3.1.0 FATAL_ERROR)
add_definitions(-DS2_USE_EXACTFLOAT -DHASH_NAMESPACE=std -DNDEBUG)
set_property(GLOBAL PROPERTY CXX_STANDARD 11)
set_property(GLOBAL PROPERTY CXX_STANDARD_REQUIRED ON)

find_package(OpenSSL REQUIRED)

include_directories(
	s2
	.
	${OPENSSL_INCLUDE_DIR}
)

set(s2util_files
	base/int128.cc
	base/logging.cc
	base/stringprintf.cc
	base/strtoint.cc
	strings/ascii_ctype.cc
	strings/split.cc
	strings/stringprintf.cc
	strings/strutil.cc
	util/coding/coder.cc
	util/coding/varint.cc
	util/hash/hash.cc
	util/math/exactfloat/exactfloat.cc
	util/math/mathlimits.cc
	util/math/mathutil.cc
)

set(s2cellid_files
	s1angle.cc
	s2.cc
	s2cellid.cc
	s2latlng.cc
)

set(s2_files
	s1interval.cc
	s2cap.cc
	s2cell.cc
	s2cellunion.cc
	s2edgeindex.cc
	s2edgeutil.cc
	s2latlngrect.cc
	s2loop.cc
	s2pointregion.cc
	s2polygon.cc
	s2polygonbuilder.cc
	s2polyline.cc
	s2r2rect.cc
	s2region.cc
	s2regioncoverer.cc
	s2regionintersection.cc
	s2regionunion.cc
)

set(s2includes
	s2/r1interval.h
	s2/s1angle.h
	s2/s1interval.h
	s2/s2cap.h
	s2/s2cell.h
	s2/s2cellid.h
	s2/s2cellunion.h
	s2/s2edgeindex.h
	s2/s2edgeutil.h
	s2/s2.h
	s2/s2latlng.h
	s2/s2latlngrect.h
	s2/s2loop.h
	s2/s2pointregion.h
	s2/s2polygonbuilder.h
	s2/s2polygon.h
	s2/s2polyline.h
	s2/s2r2rect.h
	s2/s2regioncoverer.h
	s2/s2region.h
	s2/s2regionintersection.h
	s2/s2regionunion.h
)

set(s2includes_base
	base/basictypes.h
	base/casts.h
	base/commandlineflags.h
	base/int128.h
	base/integral_types.h
	base/logging.h
	base/macros.h
	base/port.h
	base/scoped_ptr.h
	base/stl_decl.h
	base/stl_decl_msvc.h
	base/stl_decl_osx.h
	base/stringprintf.h
	base/strtoint.h
	base/template_util.h
	base/type_traits.h
)

set(s2includes_strings
	strings/ascii_ctype.h
	strings/split.h
	strings/stringprintf.h
	strings/strutil.h
)

set(s2includes_util_coding
	util/coding/coder.h
	util/coding/varint.h
)

set(s2includes_util_endian
	util/endian/endian.h
)

set(s2includes_util_hash
	util/hash/hash.h
	util/hash/hash_jenkins_lookup2.h
)

set(s2includes_util_math
	util/math/mathlimits.h
	util/math/mathutil.h
	util/math/matrix3x3.h
	util/math/matrix3x3-inl.h
	util/math/vector2.h
	util/math/vector2-inl.h
	util/math/vector3.h
	util/math/vector3-inl.h
	util/math/vector4.h
	util/math/vector4-inl.h
)

add_library(s2util SHARED ${s2util_files})
target_link_libraries(s2util ${OPENSSL_LIBRARIES})

add_library(s2cellid SHARED ${s2cellid_files})
target_link_libraries(s2cellid s2util)

add_library(s2 SHARED ${s2_files})
target_link_libraries(s2 s2cellid s2util ${OPENSSL_LIBRARIES} pthread)

install(TARGETS s2util s2cellid s2
	LIBRARY DESTINATION lib
	ARCHIVE DESTINATION lib
)

CONFIGURE_FILE(
	${CMAKE_CURRENT_SOURCE_DIR}/s2.pc.in
	${CMAKE_CURRENT_BINARY_DIR}/s2.pc
	@ONLY
)

CONFIGURE_FILE(
	${CMAKE_CURRENT_SOURCE_DIR}/s2cellid.pc.in
	${CMAKE_CURRENT_BINARY_DIR}/s2cellid.pc
	@ONLY
)

# Install header files
install(FILES ${s2includes} DESTINATION include/s2)
install(FILES ${s2includes_base} DESTINATION include/s2/base)
install(FILES ${s2includes_strings} DESTINATION include/s2/strings)
install(FILES ${s2includes_util_coding} DESTINATION include/s2/util/coding)
install(FILES ${s2includes_util_endian} DESTINATION include/s2/util/endian)
install(FILES ${s2includes_util_hash} DESTINATION include/s2/util/hash)
install(FILES ${s2includes_util_math} DESTINATION include/s2/util/math)
install(FILES ${CMAKE_BINARY_DIR}/s2.pc DESTINATION lib/pkgconfig)
install(FILES ${CMAKE_BINARY_DIR}/s2cellid.pc DESTINATION lib/pkgconfig)