Improve cmake build.

Use cmake in target-based approach and provide Export for cmake targets.
Also Add a build shell script for linux, macOS and windows (using
gitbash).

.gitignore

@@ -11,3 +11,6 @@ GTAGS
 *.exe
 *.swp
 .cvsignore
+build/
+external/
+Testing/

CMakeLists.txt

@@ -1,219 +1,400 @@
-cmake_minimum_required (VERSION 3.0)
-project(mcl CXX ASM)
-set(SRCS src/fp.cpp)
+cmake_minimum_required (VERSION 3.8)
+project(mcl CXX C ASM)
 
 option(
 	MCL_MAX_BIT_SIZE
 	"max bit size for Fp"
 	0
 )
-option(
-	DOWNLOAD_SOURCE
+if(MSVC)
+	option(
+		MCL_DOWNLOAD_SOURCE
 		"download cybozulib_ext"
 		OFF
-)
+		)
+endif()
 option(
-	USE_OPENSSL
+	MCL_USE_OPENSSL
 	"use openssl"
 	OFF
 )
 option(
-	USE_GMP
+	MCL_USE_GMP
 	"use gmp"
 	ON
 )
 option(
-	USE_ASM
+	MCL_USE_ASM
 	"use asm"
 	ON
 )
 option(
-	USE_XBYAK
+	MCL_USE_XBYAK
 	"use xbyak"
 	ON
 )
 option(
-	USE_LLVM
+	MCL_USE_LLVM
 	"use base64.ll with -DCMAKE_CXX_COMPILER=clang++"
 	OFF
 )
 option(
-	ONLY_LIB
-	"only lib"
+	MCL_BUILD_SAMPLE
+	"Build mcl samples"
 	OFF
 )
 option(
-    MSVC_RUNTIME_DLL
-    "use dynamic runtime /MD in msvc builds"
+	MCL_BUILD_TESTING
+	"Build mcl tests"
 	OFF
 )
+if(MSVC)
+	option(
+		MCL_MSVC_RUNTIME_DLL
+		"use dynamic runtime /MD in msvc builds"
+		OFF
+	)
+endif()
+
+
+if(MSVC)
+	set(MCL_CYBOZULIB_EXT_DIR "${CMAKE_CURRENT_SOURCE_DIR}/../cybozulib_ext"
+		CACHE PATH "external cybozulib_ext directory")
+endif()
+
+set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_CURRENT_SOURCE_DIR}/cmake")
 
 set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/lib)
 set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/lib)
 set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/bin)
 
-if(USE_LLVM)
+if(MCL_USE_LLVM AND NOT CMAKE_CXX_COMPILER_ID MATCHES "Clang")
+	message(WARNING "MCL_USE_LLVM will not be used: requiring clang/clang++.")
+endif()
+
+add_library(mcl SHARED src/fp.cpp)
+add_library(mcl::mcl ALIAS mcl)
+target_compile_definitions(mcl PUBLIC MCL_NO_AUTOLINK MCLBN_NO_AUTOLINK)
+target_include_directories(mcl PUBLIC
+	$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>
+	$<INSTALL_INTERFACE:$CMAKE_INSTALL_DIR/include>)
+set_target_properties(mcl PROPERTIES
+	POSITION_INDEPENDENT_CODE ON)
+#set_target_properties(mcl PROPERTIES OUTPUT_NAME mcl VERSION 1.0.0 SOVERSION 1)
+# For semantics of ABI compatibility including when you must bump SOVERSION, see:
+# https://community.kde.org/Policies/Binary_Compatibility_Issues_With_C%2B%2B#The_Do.27s_and_Don.27ts
+
+add_library(mcl_st STATIC src/fp.cpp)
+add_library(mcl::mcl_st ALIAS mcl_st)
+target_compile_definitions(mcl_st PUBLIC MCL_NO_AUTOLINK MCLBN_NO_AUTOLINK)
+target_include_directories(mcl_st PUBLIC
+	$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>
+	$<INSTALL_INTERFACE:$CMAKE_INSTALL_DIR/include>)
+set_target_properties(mcl_st PROPERTIES
+	OUTPUT_NAME mcl
+	POSITION_INDEPENDENT_CODE ON)
+#set_target_properties(mcl_st PROPERTIES PREFIX "lib")
+
+if(MCL_USE_LLVM AND CMAKE_CXX_COMPILER_ID MATCHES "Clang")
 	add_executable(gen src/gen.cpp)
-	add_custom_target(base64.ll
-		DEPENDS gen
-		SOURCES base64.ll
-	)
+	target_include_directories(gen PRIVATE
+		${CMAKE_CURRENT_SOURCE_DIR}/include)
+	if(MCL_USE_GMP)
+		find_package(GMP REQUIRED)
+		target_link_libraries(gen PRIVATE GMP::GMPXX GMP::GMP)
+	endif()
+
 	add_custom_command(OUTPUT base64.ll
 		COMMAND gen > base64.ll
-	)
-	add_custom_target(base64.o
-		DEPENDS base64.ll
-		SOURCES base64.o
-	)
+		DEPENDS gen
+		WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR})
+	add_custom_target(gen_base64.ll
+		SOURCES ${CMAKE_CURRENT_BINARY_DIR}/base64.ll)
+
 	add_custom_command(OUTPUT base64.o
 		COMMAND ${CMAKE_CXX_COMPILER} -c -o base64.o base64.ll -O3 -fPIC
-	)
+		DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/base64.ll
+		WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR})
+	add_custom_target(gen_base64.o
+		SOURCES ${CMAKE_CURRENT_BINARY_DIR}/base64.o)
+
+	target_link_libraries(mcl PRIVATE ${CMAKE_CURRENT_BINARY_DIR}/base64.o)
+	add_dependencies(mcl gen_base64.o)
+	target_link_libraries(mcl_st PRIVATE ${CMAKE_CURRENT_BINARY_DIR}/base64.o)
+	add_dependencies(mcl_st gen_base64.o)
 endif()
 
 if(MSVC)
-    if(MSVC_RUNTIME_DLL)
-        set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS} /MD /W4 /Oy /Ox /EHsc /GS- /Zi /DNDEBUG /DNOMINMAX")
-        set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS} /MDd /W4 /DNOMINMAX")
+	if(MCL_MSVC_RUNTIME_DLL)
+		set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS} /MD /Oy /Ox /EHsc /GS- /Zi /DNDEBUG")
+		set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS} /MDd")
 	else()
-    	set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS} /MT /W4 /Oy /Ox /EHsc /GS- /Zi /DNDEBUG /DNOMINMAX")
-	    set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS} /MTd /W4 /DNOMINMAX")
+		set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS} /MT /Oy /Ox /EHsc /GS- /Zi /DNDEBUG")
+		set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS} /MTd")
 	endif()
-	link_directories(${CMAKE_SOURCE_DIR}/../cybozulib_ext/lib)
-	link_directories(${CMAKE_SOURCE_DIR}/lib)
+	target_compile_definitions(mcl PUBLIC NOMINMAX)
+	target_compile_definitions(mcl_st PUBLIC NOMINMAX)
+	# set compiler flags for warnings level
+	set(MCL_COMPILE_OPTIONS /W4)
+	target_compile_options(mcl PRIVATE ${MCL_COMPILE_OPTIONS})
+	target_compile_options(mcl_st PRIVATE ${MCL_COMPILE_OPTIONS})
 else()
-	if("${CFLAGS_OPT_USER}" STREQUAL "")
-		set(CFLAGS_OPT_USER "-O3 -DNDEBUG -march=native")
-	endif()
-	set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11 -Wall -Wextra -Wformat=2 -Wcast-qual -Wcast-align -Wwrite-strings -Wfloat-equal -Wpointer-arith ${CFLAGS_OPT_USER}")
+	# Set compiler flags for warnings
+	set(MCL_COMPILE_OPTIONS -Wall -Wextra -Wformat=2 -Wcast-qual -Wcast-align
+		-Wwrite-strings -Wfloat-equal -Wpointer-arith -march=native)
+
+	target_compile_options(mcl PRIVATE ${MCL_COMPILE_OPTIONS})
+	target_compile_options(mcl_st PRIVATE ${MCL_COMPILE_OPTIONS})
+	set_target_properties(mcl PROPERTIES
+		CXX_STANDARD 11
+		CXX_STANDARD_REQUIRED YES
+		CXX_EXTENSIONS NO)
+	set_target_properties(mcl_st PROPERTIES
+		CXX_STANDARD 11
+		CXX_STANDARD_REQUIRED YES
+		CXX_EXTENSIONS NO)
+	target_compile_features(mcl PUBLIC cxx_std_11)
+	target_compile_features(mcl_st PUBLIC cxx_std_11)
 
 	if(${MCL_MAX_BIT_SIZE} GREATER 0)
-		add_definitions(-DMCL_MAX_BIT_SIZE=${MCL_MAX_BIT_SIZE})
+		target_compile_definitions(mcl PUBLIC MCL_MAX_BIT_SIZE=${MCL_MAX_BIT_SIZE})
+		target_compile_definitions(mcl_st PUBLIC MCL_MAX_BIT_SIZE=${MCL_MAX_BIT_SIZE})
 	endif()
 
-	if(USE_LLVM)
-		add_definitions(-DMCL_USE_LLVM=1 -DMCL_LLVM_BMI2=0)
-	elseif(USE_ASM)
+	if(MCL_USE_LLVM AND CMAKE_CXX_COMPILER_ID MATCHES "Clang")
+		target_compile_definitions(mcl PUBLIC MCL_USE_LLVM=1 MCL_LLVM_BMI2=0)
+		target_compile_definitions(mcl_st PUBLIC MCL_USE_LLVM=1 MCL_LLVM_BMI2=0)
+	elseif(MCL_USE_ASM)
 		if(${CMAKE_SYSTEM_PROCESSOR} STREQUAL "aarch64")
-			add_definitions(-DMCL_USE_LLVM=1)
-			set(SRCS ${SRCS} src/asm/aarch64.s)
+			target_compile_definitions(mcl PUBLIC MCL_USE_LLVM=1)
+			target_compile_definitions(mcl_st PUBLIC MCL_USE_LLVM=1)
+			target_sources(mcl PRIVATE src/asm/aarch64.s)
+			target_sources(mcl_st PRIVATE src/asm/aarch64.s)
 			set(CPU arch64)
 		elseif(${CMAKE_SYSTEM_PROCESSOR} MATCHES "^arm")
-			add_definitions(-DMCL_USE_LLVM=1)
-			set(SRCS ${SRCS} src/asm/arm.s)
+			target_compile_definitions(mcl PUBLIC MCL_USE_LLVM=1)
+			target_compile_definitions(mcl_st PUBLIC MCL_USE_LLVM=1)
+			target_sources(mcl PRIVATE src/asm/arm.s)
+			target_sources(mcl_st PRIVATE src/asm/arm.s)
 			set(CPU arm)
 		elseif(APPLE)
-			add_definitions(-DMCL_USE_LLVM=1)
-			set(SRCS ${SRCS} src/asm/x86-64mac.s src/asm/x86-64mac.bmi2.s)
+			target_compile_definitions(mcl PUBLIC MCL_USE_LLVM=1)
+			target_compile_definitions(mcl_st PUBLIC MCL_USE_LLVM=1)
+			target_sources(mcl PRIVATE src/asm/x86-64mac.s src/asm/x86-64mac.bmi2.s)
+			target_sources(mcl_st PRIVATE src/asm/x86-64mac.s src/asm/x86-64mac.bmi2.s)
 			set(CPU x86-64)
 		elseif(UNIX)
-			add_definitions(-DMCL_USE_LLVM=1)
-			set(SRCS ${SRCS} src/asm/x86-64.s src/asm/x86-64.bmi2.s)
+			target_compile_definitions(mcl PUBLIC MCL_USE_LLVM=1)
+			target_compile_definitions(mcl_st PUBLIC MCL_USE_LLVM=1)
+			target_sources(mcl PRIVATE src/asm/x86-64.s src/asm/x86-64.bmi2.s)
+			target_sources(mcl_st PRIVATE src/asm/x86-64.s src/asm/x86-64.bmi2.s)
 			set(CPU x86-64)
 		endif()
 	endif()
-	if(USE_GMP)
-		set(EXT_LIBS ${EXT_LIBS} gmp gmpxx)
+	if(MCL_USE_GMP)
+		find_package(GMP REQUIRED)
+		target_link_libraries(mcl PUBLIC GMP::GMPXX GMP::GMP)
+		target_link_libraries(mcl_st PUBLIC GMP::GMPXX GMP::GMP)
 	endif()
-	if(USE_OPENSSL)
-		set(EXT_LIBS ${EXT_LIBS} crypto)
+	if(MCL_USE_OPENSSL)
+		find_package(OpenSSL REQUIRED)
+		target_link_libraries(mcl PUBLIC OpenSSL::Crypto)
+		target_link_libraries(mcl_st PUBLIC OpenSSL::Crypto)
 	endif()
 endif()
 
-if(NOT USE_GMP)
-	set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -DMCL_USE_VINT -DMCL_VINT_FIXED_BUFFER")
+if(NOT MCL_USE_GMP)
+	target_compile_definitions(mcl PUBLIC MCL_USE_VINT MCL_VINT_FIXED_BUFFER)
+	target_compile_definitions(mcl_st PUBLIC MCL_USE_VINT MCL_VINT_FIXED_BUFFER)
 endif()
-if(NOT USE_OPENSSL)
-	set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -DMCL_DONT_USE_OPENSSL")
+if(NOT MCL_USE_OPENSSL)
+	target_compile_definitions(mcl PUBLIC MCL_DONT_USE_OPENSSL)
+	target_compile_definitions(mcl_st PUBLIC MCL_DONT_USE_OPENSSL)
 endif()
-if(NOT USE_XBYAK)
-	set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -DMCL_DONT_USE_XBYAK")
+if(NOT MCL_USE_XBYAK)
+	target_compile_definitions(mcl PUBLIC MCL_DONT_USE_XBYAK)
+	target_compile_definitions(mcl_st PUBLIC MCL_DONT_USE_XBYAK)
 endif()
 
-if(DOWNLOAD_SOURCE)
+if(MCL_DOWNLOAD_SOURCE)
 	if(MSVC)
+		set(CYBOZULIB_EXT_DOWNLOAD_DIR ${CMAKE_CURRENT_SOURCE_DIR}/external/cybozulib_ext)
 		set(CYBOZULIB_EXT_TAG release20170521)
 		set(FILES config.h gmp-impl.h gmp-mparam.h gmp.h gmpxx.h longlong.h mpir.h mpirxx.h)
 		foreach(file IN ITEMS ${FILES})
-			file(DOWNLOAD https://raw.githubusercontent.com/herumi/cybozulib_ext/${CYBOZULIB_EXT_TAG}/include/${file} ${mcl_SOURCE_DIR}/include/cybozulib_ext/${file})
+			file(DOWNLOAD https://raw.githubusercontent.com/herumi/cybozulib_ext/${CYBOZULIB_EXT_TAG}/include/${file} ${CYBOZULIB_EXT_DOWNLOAD_DIR}/include/${file})
 			message("download cybozulib_ext/" ${file})
 		endforeach()
 		set(FILES aes.h applink.c asn1.h asn1_mac.h asn1t.h bio.h blowfish.h bn.h buffer.h camellia.h cast.h cmac.h cms.h comp.h conf.h conf_api.h crypto.h des.h des_old.h dh.h dsa.h dso.h dtls1.h e_os2.h ebcdic.h ec.h ecdh.h ecdsa.h engine.h err.h evp.h hmac.h idea.h krb5_asn.h kssl.h lhash.h md4.h md5.h mdc2.h modes.h obj_mac.h objects.h ocsp.h opensslconf.h opensslv.h ossl_typ.h pem.h pem2.h pkcs12.h pkcs7.h pqueue.h rand.h rc2.h rc4.h ripemd.h rsa.h safestack.h seed.h sha.h srp.h srtp.h ssl.h ssl2.h ssl23.h ssl3.h stack.h symhacks.h tls1.h ts.h txt_db.h ui.h ui_compat.h whrlpool.h x509.h x509_vfy.h x509v3.h)
 		foreach(file IN ITEMS ${FILES})
-			file(DOWNLOAD https://raw.githubusercontent.com/herumi/cybozulib_ext/${CYBOZULIB_EXT_TAG}/include/openssl/${file} ${mcl_SOURCE_DIR}/include/cybozulib_ext/openssl/${file})
+			file(DOWNLOAD
+				https://raw.githubusercontent.com/herumi/cybozulib_ext/${CYBOZULIB_EXT_TAG}/include/openssl/${file} ${CYBOZULIB_EXT_DOWNLOAD_DIR}/include/openssl/${file})
 			message("download cybozulib_ext/openssl/" ${file})
 		endforeach()
 		set(FILES mpir.lib mpirxx.lib mpirxx.pdb ssleay32.lib libeay32.lib mpir.pdb)
 		foreach(file IN ITEMS ${FILES})
-			file(DOWNLOAD https://raw.githubusercontent.com/herumi/cybozulib_ext/${CYBOZULIB_EXT_TAG}/lib/mt/14/${file} ${mcl_SOURCE_DIR}/lib/mt/14/${file})
+			file(DOWNLOAD
+			    https://raw.githubusercontent.com/herumi/cybozulib_ext/${CYBOZULIB_EXT_TAG}/lib/mt/14/${file} ${CYBOZULIB_EXT_DOWNLOAD_DIR}/lib/mt/14/${file})
 			message("download lib/mt/14/" ${file})
 		endforeach()
-		if(MSVC)
-			include_directories(
-				${mcl_SOURCE_DIR}/include/cybozulib_ext
-			)
-		endif()
+
+		# mpir
+		add_library(cybozulib_ext::mpir STATIC IMPORTED)
+		set_target_properties(cybozulib_ext::mpir PROPERTIES
+			INTERFACE_INCLUDE_DIRECTORIES ${CYBOZULIB_EXT_DOWNLOAD_DIR}/include
+			IMPORTED_LOCATION ${CYBOZULIB_EXT_DOWNLOAD_DIR}/lib/mt/14/mpir.lib)
+		# mpirxx
+		add_library(cybozulib_ext::mpirxx STATIC IMPORTED)
+		set_target_properties(cybozulib_ext::mpirxx PROPERTIES
+			INTERFACE_INCLUDE_DIRECTORIES ${CYBOZULIB_EXT_DOWNLOAD_DIR}/include
+			IMPORTED_LOCATION ${CYBOZULIB_EXT_DOWNLOAD_DIR}/lib/mt/14/mpirxx.lib)
+		# libeay32
+		add_library(cybozulib_ext::libeay32 STATIC IMPORTED)
+		set_target_properties(cybozulib_ext::libeay32 PROPERTIES
+			INTERFACE_INCLUDE_DIRECTORIES ${CYBOZULIB_EXT_DOWNLOAD_DIR}/include
+			IMPORTED_LOCATION ${CYBOZULIB_EXT_DOWNLOAD_DIR}/lib/mt/14/libeay32.lib)
+		# ssleay32
+		add_library(cybozulib_ext::ssleay32 STATIC IMPORTED)
+		set_target_properties(cybozulib_ext::ssleay32 PROPERTIES
+			INTERFACE_INCLUDE_DIRECTORIES ${CYBOZULIB_EXT_DOWNLOAD_DIR}/include
+			IMPORTED_LOCATION ${CYBOZULIB_EXT_DOWNLOAD_DIR}/lib/mt/14/ssleay32.lib)
+		# abstracted cybozulib_ext libraries
+		add_library(windows_specific INTERFACE)
+		add_library(mcl::windows_specific ALIAS windows_specific)
+		target_link_libraries(windows_specific INTERFACE
+			-LIBPATH:${CYBOZULIB_EXT_DOWNLOAD_DIR}/lib
+			-LIBPATH:${CYBOZULIB_EXT_DOWNLOAD_DIR}/lib/mt/14
+			cybozulib_ext::mpir
+			cybozulib_ext::mpirxx
+			cybozulib_ext::libeay32
+			cybozulib_ext::ssleay32)
+
+		target_link_libraries(mcl PUBLIC mcl::windows_specific)
+		target_link_libraries(mcl_st PUBLIC mcl::windows_specific)
 	endif()
 else()
 	if(MSVC)
-		include_directories(
-			${mcl_SOURCE_DIR}/../cybozulib_ext/include
-		)
+		# mpir
+		add_library(cybozulib_ext::mpir STATIC IMPORTED)
+		set_target_properties(cybozulib_ext::mpir PROPERTIES
+			INTERFACE_INCLUDE_DIRECTORIES ${MCL_CYBOZULIB_EXT_DIR}/include
+			IMPORTED_LOCATION ${MCL_CYBOZULIB_EXT_DIR}/lib/mt/14/mpir.lib)
+		# mpirxx
+		add_library(cybozulib_ext::mpirxx STATIC IMPORTED)
+		set_target_properties(cybozulib_ext::mpirxx PROPERTIES
+			INTERFACE_INCLUDE_DIRECTORIES ${MCL_CYBOZULIB_EXT_DIR}/include
+			IMPORTED_LOCATION ${MCL_CYBOZULIB_EXT_DIR}/lib/mt/14/mpirxx.lib)
+		# libeay32
+		add_library(cybozulib_ext::libeay32 STATIC IMPORTED)
+		set_target_properties(cybozulib_ext::libeay32 PROPERTIES
+			INTERFACE_INCLUDE_DIRECTORIES ${MCL_CYBOZULIB_EXT_DIR}/include
+			IMPORTED_LOCATION ${MCL_CYBOZULIB_EXT_DIR}/lib/mt/14/libeay32.lib)
+		# ssleay32
+		add_library(cybozulib_ext::ssleay32 STATIC IMPORTED)
+		set_target_properties(cybozulib_ext::ssleay32 PROPERTIES
+			INTERFACE_INCLUDE_DIRECTORIES ${MCL_CYBOZULIB_EXT_DIR}/include
+			IMPORTED_LOCATION ${MCL_CYBOZULIB_EXT_DIR}/lib/mt/14/ssleay32.lib)
+		 # abstracted cybozulib_ext libraries
+		add_library(windows_specific INTERFACE)
+		add_library(mcl::windows_specific ALIAS windows_specific)
+		target_link_libraries(windows_specific INTERFACE
+			-LIBPATH:${MCL_CYBOZULIB_EXT_DIR}/lib
+			-LIBPATH:${MCL_CYBOZULIB_EXT_DIR}/lib/mt/14
+			cybozulib_ext::mpir
+			cybozulib_ext::mpirxx
+			cybozulib_ext::libeay32
+			cybozulib_ext::ssleay32)
+
+		target_link_libraries(mcl PUBLIC mcl::windows_specific)
+		target_link_libraries(mcl_st PUBLIC mcl::windows_specific)
 	endif()
 endif()
 
-include_directories(
-	${mcl_SOURCE_DIR}/include
-)
+# mclbnXXX
+foreach(bit IN ITEMS 256 384 384_256 512)
+	add_library(mclbn${bit} SHARED src/bn_c${bit}.cpp)
+	add_library(mcl::mclbn${bit} ALIAS mclbn${bit})
+	set_target_properties(mclbn${bit} PROPERTIES
+		CXX_STANDARD 11
+		CXX_STANDARD_REQUIRED YES
+		CXX_EXTENSIONS NO)
+	target_compile_options(mclbn${bit} PRIVATE ${MCL_COMPILE_OPTIONS})
+	target_compile_definitions(mclbn${bit}
+		PUBLIC MCL_NO_AUTOLINK MCLBN_NO_AUTOLINK)
+	target_link_libraries(mclbn${bit} PUBLIC mcl::mcl)
+endforeach()
+
+# mclsheXXX
+foreach(bit IN ITEMS 256 384 384_256)
+	add_library(mclshe${bit} SHARED src/she_c${bit}.cpp)
+	add_library(mcl::mclshe${bit} ALIAS mclshe${bit})
+	set_target_properties(mclshe${bit} PROPERTIES
+		CXX_STANDARD 11
+		CXX_STANDARD_REQUIRED YES
+		CXX_EXTENSIONS NO)
+	target_compile_options(mclshe${bit} PRIVATE ${MCL_COMPILE_OPTIONS})
+	target_compile_definitions(mclshe${bit}
+		PUBLIC MCL_NO_AUTOLINK MCLBN_NO_AUTOLINK MCLSHE_NO_AUTOLINK)
+	target_link_libraries(mclshe${bit} PUBLIC mcl::mcl)
+endforeach()
 
-if(USE_LLVM)
-	add_library(mcl SHARED ${SRCS} base64.o)
-	add_library(mcl_st STATIC ${SRCS} base64.o)
-	add_dependencies(mcl base64.o)
-	add_dependencies(mcl_st base64.o)
+# ECDSA
+add_library(mclecdsa SHARED src/ecdsa_c.cpp)
+add_library(mcl::mclecdsa ALIAS mclecdsa)
+set_target_properties(mclecdsa PROPERTIES
+	CXX_STANDARD 11
+	CXX_STANDARD_REQUIRED YES
+	CXX_EXTENSIONS NO)
+target_link_libraries(mclecdsa PUBLIC mcl::mcl)
+
+if(MSVC)
+	install(TARGETS mcl mcl_st mclbn256 mclbn384 mclbn384_256 mclbn512 mclshe256
+		mclshe384 mclshe384_256 windows_specific
+		EXPORT mclTargets
+		LIBRARY DESTINATION lib
+		ARCHIVE DESTINATION lib
+		RUNTIME DESTINATION lib)
 else()
-	add_library(mcl SHARED ${SRCS})
-	add_library(mcl_st STATIC ${SRCS})
+	install(TARGETS mcl mcl_st mclbn256 mclbn384 mclbn384_256 mclbn512 mclshe256
+		mclshe384 mclshe384_256
+		EXPORT mclTargets
+		LIBRARY DESTINATION lib
+		ARCHIVE DESTINATION lib
+		RUNTIME DESTINATION lib)
 endif()
-target_link_libraries(mcl ${EXT_LIBS})
-target_link_libraries(mcl_st ${EXT_LIBS})
-set_target_properties(mcl_st PROPERTIES OUTPUT_NAME mcl)
-#set_target_properties(mcl_st PROPERTIES PREFIX "lib")
-#set_target_properties(mcl PROPERTIES OUTPUT_NAME mcl VERSION 1.0.0 SOVERSION 1)
-# For semantics of ABI compatibility including when you must bump SOVERSION, see:
-# https://community.kde.org/Policies/Binary_Compatibility_Issues_With_C%2B%2B#The_Do.27s_and_Don.27ts
+install(DIRECTORY include/mcl
+	DESTINATION include
+	FILES_MATCHING PATTERN "*.hpp"
+	PATTERN "curve_type.h"
+	PATTERN "bn.h"
+	PATTERN "bn_c256.h"
+	PATTERN "bn_c384_256.h"
+	PATTERN "bn_c384.h")
+install(DIRECTORY include/cybozu
+	DESTINATION include
+	FILES_MATCHING PATTERN "*.hpp")
 
-set(LIBS mcl ${EXT_LIBS})
-foreach(bit IN ITEMS 256 384 384_256 512)
-	add_library(mclbn${bit} SHARED src/bn_c${bit}.cpp)
-	target_link_libraries(mclbn${bit} ${LIBS})
-	add_executable(bn_c${bit}_test test/bn_c${bit}_test.cpp)
-	target_link_libraries(bn_c${bit}_test mclbn${bit})
-endforeach()
+install(EXPORT mclTargets
+	FILE mclTargets.cmake
+	NAMESPACE mcl::
+	DESTINATION lib/cmake/mcl)
 
-file(GLOB MCL_HEADERS include/mcl/*.hpp include/mcl/bn.h include/mcl/curve_type.h include/mcl/bn_c256.h include/mcl/bn_c384_256.h include/mcl/bn_c384.h)
-file(GLOB CYBOZULIB_HEADERS include/cybozu/*.hpp)
-
-install(TARGETS mcl DESTINATION lib)
-install(TARGETS mcl_st DESTINATION lib)
-install(TARGETS mclbn256 DESTINATION lib)
-install(TARGETS mclbn384 DESTINATION lib)
-install(TARGETS mclbn384_256 DESTINATION lib)
-install(TARGETS mclbn512 DESTINATION lib)
-install(FILES ${MCL_HEADERS} DESTINATION include/mcl)
-install(FILES include/mcl/impl/bn_c_impl.hpp DESTINATION include/mcl/impl)
-install(FILES ${CYBOZULIB_HEADERS} DESTINATION include/cybozu)
-
-if(NOT ONLY_LIB)
-	set(TEST_BASE fp_test ec_test fp_util_test window_method_test elgamal_test fp_tower_test gmp_test bn_test glv_test)
-	#set(TEST_BASE bn_test)
-	foreach(base IN ITEMS ${TEST_BASE})
-		add_executable(
-			${base}
-			test/${base}.cpp
-		)
-		target_link_libraries(
-			${base}
-			${LIBS}
-		)
-	endforeach()
+# support local build-tree export to allow import from external projects
+export(EXPORT mclTargets
+	FILE mclTargets.cmake
+	NAMESPACE mcl::)
+set(CMAKE_EXPORT_PACKAGE_REGISTRY ON)
+export(PACKAGE mcl)
+
+
+# Tests
+if((CMAKE_PROJECT_NAME STREQUAL PROJECT_NAME OR MCL_BUILD_TESTING)
+	AND BUILD_TESTING)
+	enable_testing()
+	add_subdirectory(test)
+endif()
+
+if(MCL_BUILD_SAMPLE)
+	# sample code
+	add_subdirectory(sample)
 endif()

build.sh

@@ -0,0 +1,67 @@
+#!/bin/bash
+
+SCRIPT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )"
+BUILD_DIR=${1:-build}
+
+
+windows_build()
+{
+  if [ -d "${SCRIPT_DIR}/../cybozulib_ext"  ]; then
+      DOWNLOAD_CYBOZULIB_EXT="OFF"
+      CYBOZULIB_EXT_OPTION="-DMCL_CYBOZULIB_EXT_DIR:PATH=${SCRIPT_DIR}/../cybozulib_ext"
+  else
+      DOWNLOAD_CYBOZULIB_EXT="ON"
+      CYBOZULIB_EXT_OPTION=""
+  fi
+
+  cmake -E remove_directory ${BUILD_DIR}
+  cmake -E make_directory ${BUILD_DIR}
+  cmake -H${SCRIPT_DIR} -B${BUILD_DIR} -A x64 \
+    -DBUILD_TESTING=ON \
+    -DMCL_BUILD_SAMPLE=ON \
+    -DCMAKE_INSTALL_PREFIX=${BUILD_DIR}/install \
+    -DMCL_DOWNLOAD_SOURCE=${DOWNLOAD_CYBOZULIB_EXT} ${CYBOZULIB_EXT_OPTION}
+  cmake --build ${BUILD_DIR} --clean-first --config Release --parallel
+}
+
+linux_build()
+{
+  cmake -E remove_directory ${BUILD_DIR}
+  cmake -E make_directory ${BUILD_DIR}
+  cmake -H${SCRIPT_DIR} -B${BUILD_DIR} -DCMAKE_BUILD_TYPE=Release \
+    -DBUILD_TESTING=ON \
+    -DMCL_BUILD_SAMPLE=ON \
+    -DMCL_USE_LLVM=ON \
+    -DMCL_USE_OPENSSL=ON \
+    -DCMAKE_INSTALL_PREFIX=${BUILD_DIR}/install
+  cmake --build ${BUILD_DIR} --clean-first -- -j
+}
+
+osx_build()
+{
+  OPENSSL_ROOT_DIR="/usr/local/opt/openssl"
+
+  cmake -E remove_directory ${BUILD_DIR}
+  cmake -E make_directory ${BUILD_DIR}
+  cmake -H${SCRIPT_DIR} -B${BUILD_DIR} -DCMAKE_BUILD_TYPE=Release \
+    -DBUILD_TESTING=ON \
+    -DMCL_BUILD_SAMPLE=ON \
+    -DMCL_USE_LLVM=ON \
+    -DMCL_USE_OPENSSL=ON \
+    -DOPENSSL_ROOT_DIR="${OPENSSL_ROOT_DIR}" \
+    -DCMAKE_INSTALL_PREFIX=${BUILD_DIR}/install
+  cmake --build ${BUILD_DIR} --clean-first -- -j
+}
+
+os=`uname -s`
+case "${os}" in
+  CYGWIN*|MINGW32*|MSYS*|MINGW*)
+    windows_build
+    ;;
+  Darwin*)
+    osx_build
+    ;;
+  *)
+    linux_build
+    ;;
+esac

cmake/FindGMP.cmake

@@ -0,0 +1,88 @@
+# FindGMP.cmake
+#
+# Finds the GNU Multiple Precision Arithmetic Library (GMP)
+# See http://gmplib.org/
+#
+# This will define the following variables::
+#
+#    GMP_FOUND
+#    GMP_VERSION
+#    GMP_DEFINITIONS
+#    GMP_INCLUDE_DIR
+#    GMP_LIBRARY
+#    GMP_GMPXX_DEFINITIONS
+#    GMP_GMPXX_INCLUDE_DIR
+#    GMP_GMPXX_LIBRARY
+#
+# and the following imported targets::
+#
+#     GMP::GMP
+#     GMP::GMPXX
+
+find_package(PkgConfig QUIET)
+pkg_check_modules(PC_GMP QUIET gmp gmpxx)
+
+set(GMP_VERSION ${PC_GMP_gmp_VERSION})
+
+find_library(GMP_LIBRARY
+	NAMES gmp libgmp
+	HINTS
+		${PC_GMP_gmp_LIBDIR}
+		${PC_GMP_gmp_LIBRARY_DIRS})
+
+find_path(GMP_INCLUDE_DIR
+	NAMES gmp.h
+	HINTS
+		${PC_GMP_gmp_INCLUDEDIR}
+		${PC_GMP_gmp_INCLUDE_DIRS})
+
+find_library(GMP_GMPXX_LIBRARY
+	NAMES gmpxx libgmpxx
+	HINTS
+		${PC_GMP_gmpxx_LIBDIR}
+		${PC_GMP_gmpxx_LIBRARY_DIRS})
+
+find_path(GMP_GMPXX_INCLUDE_DIR
+	NAMES gmpxx.h
+	HINTS
+		${PC_GMP_gmpxx_INCLUDEDIR}
+		${PC_GMP_gmpxx_INCLUDE_DIRS})
+
+
+include(FindPackageHandleStandardArgs)
+find_package_handle_standard_args(GMP
+	REQUIRED_VARS
+		GMP_INCLUDE_DIR
+		GMP_LIBRARY
+	GMP_GMPXX_INCLUDE_DIR
+	GMP_GMPXX_LIBRARY
+	VERSION_VAR GMP_VERSION)
+
+if(GMP_FOUND)
+	set(GMP_LIBRARIES ${GMP_LIBRARY})
+	set(GMP_INCLUDE_DIRS ${GMP_INCLUDE_DIR})
+	set(GMP_DEFINITIONS ${PC_GMP_gmp_CFLAGS_OTHER})
+	set(GMP_GMPXX_LIBRARIES ${GMP_GMPXX_LIBRARY})
+	set(GMP_GMPXX_INCLUDE_DIRS ${GMP_GMPXX_INCLUDE_DIR})
+	set(GMP_GMPXX_DEFINITIONS ${PC_GMP_gmpxx_CFLAGS_OTHER})
+
+	if(NOT TARGET GMP::GMP)
+		add_library(GMP::GMP UNKNOWN IMPORTED)
+		set_target_properties(GMP::GMP PROPERTIES
+			INTERFACE_COMPILE_OPTIONS "${PC_GMP_gmp_CFLAGS_OTHER}"
+			INTERFACE_INCLUDE_DIRECTORIES "${GMP_INCLUDE_DIR}"
+			IMPORTED_LOCATION "${GMP_LIBRARY}")
+	endif()
+
+	if(NOT TARGET GMP::GMPXX)
+		add_library(GMP::GMPXX UNKNOWN IMPORTED)
+		set_target_properties(GMP::GMPXX PROPERTIES
+			INTERFACE_COMPILE_OPTIONS "${PC_GMP_gmpxx_CFLAGS_OTHER}"
+			INTERFACE_INCLUDE_DIRECTORIES "${GMP_GMPXX_INCLUDE_DIR}"
+			INTERFACE_LINK_LIBRARIES GMP::GMP
+			IMPORTED_LOCATION "${GMP_GMPXX_LIBRARY}")
+	endif()
+endif()
+
+mark_as_advanced(GMP_FOUND GMP_INCLUDE_DIR GMP_LIBRARY)
+mark_as_advanced(GMP_GMPXX_INCLUDE_DIR GMP_GMPXX_LIBRARY)

sample/CMakeLists.txt

@@ -0,0 +1,17 @@
+# Samples
+set(MCL_SAMPLE bench ecdh random rawbench vote pairing large tri-dh bls_sig she_smpl)
+foreach(sample IN ITEMS ${MCL_SAMPLE})
+	add_executable(sample_${sample} ${sample}.cpp)
+	target_link_libraries(sample_${sample} PRIVATE mcl::mcl)
+	set_target_properties(sample_${sample} PROPERTIES
+		CXX_STANDARD 11
+		CXX_STANDARD_REQUIRED YES
+	CXX_EXTENSIONS NO)
+	target_compile_options(sample_${sample} PRIVATE ${MCL_COMPILE_OPTIONS})
+	target_compile_definitions(sample_${sample} PRIVATE MCL_DONT_EXPORT)
+endforeach()
+
+# C interface Sample
+add_executable(sample_pairing_c_min pairing_c.c)
+target_link_libraries(sample_pairing_c_min PRIVATE mcl::mclbn384_256)
+target_compile_definitions(sample_pairing_c_min PRIVATE MCL_DONT_EXPORT)

test/CMakeLists.txt

@@ -0,0 +1,62 @@
+# Tests
+set(MCL_TEST_BASE fp_test ec_test fp_util_test window_method_test elgamal_test
+	fp_tower_test gmp_test bn_test glv_test)
+foreach(base IN ITEMS ${MCL_TEST_BASE})
+	add_executable(${base} ${base}.cpp)
+	target_link_libraries(${base} PRIVATE mcl::mcl)
+	set_target_properties(${base} PROPERTIES
+		CXX_STANDARD 11
+		CXX_STANDARD_REQUIRED YES
+		CXX_EXTENSIONS NO)
+	target_compile_options(${base} PRIVATE ${MCL_COMPILE_OPTIONS})
+	target_compile_definitions(${base} PRIVATE MCL_DONT_EXPORT)
+	add_test(NAME ${base} COMMAND ${base})
+endforeach()
+
+# Tests for mclbnXXX
+foreach(bit IN ITEMS 256 384 384_256 512)
+	add_executable(bn_c${bit}_test bn_c${bit}_test.cpp)
+	target_link_libraries(bn_c${bit}_test PRIVATE mcl::mclbn${bit})
+	set_target_properties(bn_c${bit}_test PROPERTIES
+		CXX_STANDARD 11
+		CXX_STANDARD_REQUIRED YES
+		CXX_EXTENSIONS NO)
+	target_compile_options(bn_c${bit}_test PRIVATE ${MCL_COMPILE_OPTIONS})
+	target_compile_definitions(bn_c${bit}_test PRIVATE MCLBN_DONT_EXPORT)
+	add_test(NAME bn_c${bit}_test COMMAND bn_c${bit}_test)
+endforeach()
+
+# Tests for mclsheXXX
+foreach(bit IN ITEMS 256 384 384_256)
+	add_executable(she_c${bit}_test she_c${bit}_test.cpp)
+	target_link_libraries(she_c${bit}_test PRIVATE mcl::mclshe${bit})
+	set_target_properties(she_c${bit}_test PROPERTIES
+		CXX_STANDARD 11
+		CXX_STANDARD_REQUIRED YES
+		CXX_EXTENSIONS NO)
+	target_compile_options(she_c${bit}_test PRIVATE ${MCL_COMPILE_OPTIONS})
+	target_compile_definitions(she_c${bit}_test PRIVATE MCLBN_DONT_EXPORT)
+	add_test(NAME she_c${bit}_test COMMAND she_c${bit}_test)
+endforeach()
+
+# ecdsa_test
+add_executable(ecdsa_test ecdsa_test.cpp)
+target_link_libraries(ecdsa_test PRIVATE mcl::mclecdsa)
+set_target_properties(ecdsa_test PROPERTIES
+	CXX_STANDARD 11
+	CXX_STANDARD_REQUIRED YES
+	CXX_EXTENSIONS NO)
+target_compile_options(ecdsa_test PRIVATE ${MCL_COMPILE_OPTIONS})
+target_compile_definitions(ecdsa_test PRIVATE MCLBN_DONT_EXPORT)
+add_test(NAME ecdsa_test COMMAND ecdsa_test)
+
+# ecdsa_c_test
+add_executable(ecdsa_c_test ecdsa_c_test.cpp)
+target_link_libraries(ecdsa_c_test PRIVATE mcl::mclecdsa)
+set_target_properties(ecdsa_c_test PROPERTIES
+	CXX_STANDARD 11
+	CXX_STANDARD_REQUIRED YES
+	CXX_EXTENSIONS NO)
+target_compile_options(ecdsa_c_test PRIVATE ${MCL_COMPILE_OPTIONS})
+target_compile_definitions(ecdsa_c_test PRIVATE MCLBN_DONT_EXPORT)
+add_test(NAME ecdsa_c_test COMMAND ecdsa_c_test)