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CMakeLists.txt
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CMakeLists.txt
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PROJECT(libcryptobox C)
ENABLE_LANGUAGE(ASM)
CMAKE_MINIMUM_REQUIRED(VERSION 2.6.0 FATAL_ERROR)
INCLUDE(CheckIncludeFiles)
INCLUDE(CheckFunctionExists)
INCLUDE(CheckSymbolExists)
INCLUDE(CheckCSourceCompiles)
INCLUDE(CheckLibraryExists)
INCLUDE(CheckCCompilerFlag)
SET(CMAKE_C_WARN_FLAGS "")
CHECK_C_COMPILER_FLAG(-Wall SUPPORT_WALL)
CHECK_C_COMPILER_FLAG(-W SUPPORT_W)
CHECK_C_COMPILER_FLAG(-Wpointer-arith SUPPORT_WPOINTER)
CHECK_C_COMPILER_FLAG(-Wno-unused-parameter SUPPORT_WPARAM)
CHECK_C_COMPILER_FLAG(-Wno-unused-function SUPPORT_WFUNCTION)
CHECK_C_COMPILER_FLAG(-Wunused-variable SUPPORT_WUNUSED_VAR)
CHECK_C_COMPILER_FLAG(-Wno-pointer-sign SUPPORT_WPOINTER_SIGN)
CHECK_C_COMPILER_FLAG(-Wstrict-prototypes SUPPORT_WSTRICT_PROTOTYPES)
CHECK_C_COMPILER_FLAG(-pedantic SUPPORT_PEDANTIC_FLAG)
IF(NOT "${CMAKE_C_COMPILER_ID}" MATCHES SunPro)
CHECK_C_COMPILER_FLAG("-std=c99" SUPPORT_STD_FLAG)
ENDIF(NOT "${CMAKE_C_COMPILER_ID}" MATCHES SunPro)
IF(SUPPORT_W)
SET(CMAKE_C_WARN_FLAGS "${CMAKE_C_WARN_FLAGS} -W")
ENDIF(SUPPORT_W)
IF(SUPPORT_WALL)
SET(CMAKE_C_WARN_FLAGS "${CMAKE_C_WARN_FLAGS} -Wall")
ENDIF(SUPPORT_WALL)
IF(SUPPORT_WPOINTER)
SET(CMAKE_C_WARN_FLAGS "${CMAKE_C_WARN_FLAGS} -Wpointer-arith")
ENDIF(SUPPORT_WPOINTER)
IF(SUPPORT_WPARAM)
SET(CMAKE_C_WARN_FLAGS "${CMAKE_C_WARN_FLAGS} -Wno-unused-parameter")
ENDIF(SUPPORT_WPARAM)
IF(SUPPORT_WFUNCTION)
SET(CMAKE_C_WARN_FLAGS "${CMAKE_C_WARN_FLAGS} -Wno-unused-function")
ENDIF(SUPPORT_WFUNCTION)
IF(SUPPORT_WUNUSED_VAR)
SET(CMAKE_C_WARN_FLAGS "${CMAKE_C_WARN_FLAGS} -Wunused-variable")
ENDIF(SUPPORT_WUNUSED_VAR)
IF(SUPPORT_WPOINTER_SIGN)
SET(CMAKE_C_WARN_FLAGS "${CMAKE_C_WARN_FLAGS} -Wno-pointer-sign")
ENDIF(SUPPORT_WPOINTER_SIGN)
IF(SUPPORT_WSTRICT_PROTOTYPES)
SET(CMAKE_C_WARN_FLAGS "${CMAKE_C_WARN_FLAGS} -Wstrict-prototypes")
ENDIF(SUPPORT_WSTRICT_PROTOTYPES)
IF(SUPPORT_PEDANTIC_FLAG)
SET(CMAKE_C_WARN_FLAGS "${CMAKE_C_WARN_FLAGS} -pedantic")
ENDIF(SUPPORT_PEDANTIC_FLAG)
IF(SUPPORT_STD_FLAG)
SET(CMAKE_C_WARN_FLAGS "${CMAKE_C_WARN_FLAGS} -std=c99")
ENDIF(SUPPORT_STD_FLAG)
CHECK_C_COMPILER_FLAG(-fPIC SUPPORT_FPIC)
IF(SUPPORT_FPIC)
SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fPIC")
ENDIF(SUPPORT_FPIC)
# Optimization flags
IF(NOT CMAKE_C_OPT_FLAGS)
IF(DEBUG_MODE MATCHES "ON")
SET(CMAKE_C_OPT_FLAGS "-O0 -fstrict-aliasing")
SET(CMAKE_BUILD_TYPE "Debug")
ELSE(DEBUG_MODE MATCHES "ON")
SET(CMAKE_C_OPT_FLAGS "-O3 -fstrict-aliasing")
ENDIF(DEBUG_MODE MATCHES "ON")
ENDIF(NOT CMAKE_C_OPT_FLAGS)
SET(CMAKE_C_FLAGS "${CMAKE_C_OPT_FLAGS} ${CMAKE_C_FLAGS} ${CMAKE_C_WARN_FLAGS}")
CHECK_INCLUDE_FILES(sys/types.h HAVE_SYS_TYPES_H)
CHECK_INCLUDE_FILES(stdio.h HAVE_STDIO_H)
CHECK_INCLUDE_FILES(stdlib.h HAVE_STDLIB_H)
CHECK_INCLUDE_FILES(string.h HAVE_STRING_H)
CHECK_INCLUDE_FILES(strings.h HAVE_STRINGS_H)
CHECK_INCLUDE_FILES(stdint.h HAVE_STDINT_H)
CHECK_INCLUDE_FILES(inttypes.h HAVE_INTTYPES_H)
CHECK_INCLUDE_FILES(endian.h HAVE_ENDIAN_H)
CHECK_INCLUDE_FILES(sys/endian.h HAVE_SYS_ENDIAN_H)
CHECK_INCLUDE_FILES(machine/endian.h HAVE_MACHINE_ENDIAN_H)
CHECK_INCLUDE_FILES(sys/cdefs.h HAVE_SYS_CDEFS_H)
CHECK_INCLUDE_FILES(stdbool.h HAVE_STDBOOL_H)
CHECK_FUNCTION_EXISTS(memset_s HAVE_MEMSET_S)
CHECK_FUNCTION_EXISTS(explicit_bzero HAVE_EXPLICIT_BZERO)
CHECK_C_SOURCE_COMPILES(
"#include <stddef.h>
void cmkcheckweak() __attribute__((weak));
int main(int argc, char** argv) {
return cmkcheckweak == NULL;
}" HAVE_WEAK_SYMBOLS)
INCLUDE(FindArch.cmake)
INCLUDE(AsmOp.cmake)
TARGET_ARCHITECTURE(ARCH)
SET(CHACHASRC ${CMAKE_CURRENT_SOURCE_DIR}/chacha20/chacha.c
${CMAKE_CURRENT_SOURCE_DIR}/chacha20/ref.c)
SET(POLYSRC ${CMAKE_CURRENT_SOURCE_DIR}/poly1305/poly1305.c)
# For now we support only x86_64 architecture with optimizations
IF(${ARCH} STREQUAL "x86_64")
ASM_OP(HAVE_AVX2 "vpaddq %ymm0, %ymm0, %ymm0" "avx2")
ASM_OP(HAVE_AVX "vpaddq %xmm0, %xmm0, %xmm0" "avx")
ASM_OP(HAVE_SSE2 "pmuludq %xmm0, %xmm0" "sse2")
ASM_OP(HAVE_SLASHMACRO "
.macro TEST1 op
\\op %eax, %eax
.endm
TEST1 xorl
" "slash macro convention")
ASM_OP(HAVE_DOLLARMACRO "
.macro TEST1 op
$0 %eax, %eax
.endm
TEST1 xorl
" "dollar macro convention")
SET(CURVESRC ${CMAKE_CURRENT_SOURCE_DIR}/curve25519/curve25519-donna-c64.c)
SET(POLYSRC ${POLYSRC} ${CMAKE_CURRENT_SOURCE_DIR}/poly1305/ref-64.c)
ELSEIF(${ARCH} STREQUAL "i386")
SET(POLYSRC ${POLYSRC} ${CMAKE_CURRENT_SOURCE_DIR}/poly1305/ref-32.c)
SET(CURVESRC ${CMAKE_CURRENT_SOURCE_DIR}/curve25519/curve25519-donna.c)
ELSE()
SET(CURVESRC ${CMAKE_CURRENT_SOURCE_DIR}/curve25519/ref.c)
SET(POLYSRC ${POLYSRC} ${CMAKE_CURRENT_SOURCE_DIR}/poly1305/ref-32.c)
ENDIF()
IF(HAVE_AVX2)
SET(CHACHASRC ${CHACHASRC} ${CMAKE_CURRENT_SOURCE_DIR}/chacha20/avx2.S)
SET(POLYSRC ${POLYSRC} ${CMAKE_CURRENT_SOURCE_DIR}/poly1305/avx2.S)
ENDIF(HAVE_AVX2)
IF(HAVE_AVX)
SET(CHACHASRC ${CHACHASRC} ${CMAKE_CURRENT_SOURCE_DIR}/chacha20/avx.S)
SET(POLYSRC ${POLYSRC} ${CMAKE_CURRENT_SOURCE_DIR}/poly1305/avx.S)
ENDIF(HAVE_AVX)
IF(HAVE_SSE2)
SET(CHACHASRC ${CHACHASRC} ${CMAKE_CURRENT_SOURCE_DIR}/chacha20/sse2.S)
SET(POLYSRC ${POLYSRC} ${CMAKE_CURRENT_SOURCE_DIR}/poly1305/sse2.S)
ENDIF(HAVE_SSE2)
SET(BLAKE2SRC ${CMAKE_CURRENT_SOURCE_DIR}/blake2/blake2b-ref.c)
CONFIGURE_FILE(platform_config.h.in platform_config.h)
CONFIGURE_FILE(config.h.in config.h)
INCLUDE_DIRECTORIES("${CMAKE_CURRENT_BINARY_DIR}")
SET(LIBCRYPTOBOXSRC ${CMAKE_CURRENT_SOURCE_DIR}/cryptobox.c
${CMAKE_CURRENT_SOURCE_DIR}/randombytes_sysrandom.c)
SET(CRYPTOBOX_SRC ${LIBCRYPTOBOXSRC} ${CHACHASRC} ${POLYSRC}
${CURVESRC} ${BLAKE2SRC})
ADD_LIBRARY(cryptobox ${CRYPTOBOX_SRC})