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include(CheckIncludeFile)
include(CheckIncludeFiles)
include(CheckSymbolExists)
include(CheckFunctionExists)
include(CheckLibraryExists)
include(CheckTypeSize)
include(CheckCXXSourceCompiles)
include(TestBigEndian)
set(PACKAGE ${APPLICATION_NAME})
set(VERSION ${APPLICATION_VERSION})
set(DATADIR ${DATA_INSTALL_DIR})
set(LIBDIR ${LIB_INSTALL_DIR})
set(PLUGINDIR "${PLUGIN_INSTALL_DIR}-${LIBRARY_SOVERSION}")
set(SYSCONFDIR ${SYSCONF_INSTALL_DIR})
set(BINARYDIR ${CMAKE_BINARY_DIR})
set(SOURCEDIR ${CMAKE_SOURCE_DIR})
function(COMPILER_DUMPVERSION _OUTPUT_VERSION)
# Remove whitespaces from the argument.
# This is needed for CC="ccache gcc" cmake ..
string(REPLACE " " "" _C_COMPILER_ARG "${CMAKE_C_COMPILER_ARG1}")
execute_process(
COMMAND
${CMAKE_C_COMPILER} ${_C_COMPILER_ARG} -dumpversion
OUTPUT_VARIABLE _COMPILER_VERSION
)
string(REGEX REPLACE "([0-9])\\.([0-9])(\\.[0-9])?" "\\1\\2"
_COMPILER_VERSION "${_COMPILER_VERSION}")
set(${_OUTPUT_VERSION} ${_COMPILER_VERSION} PARENT_SCOPE)
endfunction()
if(CMAKE_COMPILER_IS_GNUCC AND NOT MINGW AND NOT OS2)
compiler_dumpversion(GNUCC_VERSION)
if (NOT GNUCC_VERSION EQUAL 34)
set(CMAKE_REQUIRED_FLAGS "-fvisibility=hidden")
check_c_source_compiles(
"void __attribute__((visibility(\"default\"))) test() {}
int main(void){ return 0; }
" WITH_VISIBILITY_HIDDEN)
set(CMAKE_REQUIRED_FLAGS "")
endif (NOT GNUCC_VERSION EQUAL 34)
endif(CMAKE_COMPILER_IS_GNUCC AND NOT MINGW AND NOT OS2)
# HEADER FILES
check_include_file(argp.h HAVE_ARGP_H)
check_include_file(pty.h HAVE_PTY_H)
check_include_file(utmp.h HAVE_UTMP_H)
check_include_file(termios.h HAVE_TERMIOS_H)
check_include_file(unistd.h HAVE_UNISTD_H)
check_include_file(util.h HAVE_UTIL_H)
check_include_file(libutil.h HAVE_LIBUTIL_H)
check_include_file(sys/time.h HAVE_SYS_TIME_H)
check_include_file(sys/param.h HAVE_SYS_PARAM_H)
check_include_file(arpa/inet.h HAVE_ARPA_INET_H)
check_include_file(byteswap.h HAVE_BYTESWAP_H)
if (WIN32)
check_include_files("winsock2.h;ws2tcpip.h;wspiapi.h" HAVE_WSPIAPI_H)
if (NOT HAVE_WSPIAPI_H)
message(STATUS "WARNING: Without wspiapi.h, this build will only work on Windows XP and newer versions")
endif (NOT HAVE_WSPIAPI_H)
check_include_files("winsock2.h;ws2tcpip.h" HAVE_WS2TCPIP_H)
endif (WIN32)
if (OPENSSL_FOUND)
set(CMAKE_REQUIRED_INCLUDES ${OPENSSL_INCLUDE_DIR})
check_include_file(openssl/des.h HAVE_OPENSSL_DES_H)
if (NOT HAVE_OPENSSL_DES_H)
message(FATAL_ERROR "Could not detect openssl/des.h")
endif()
set(CMAKE_REQUIRED_INCLUDES ${OPENSSL_INCLUDE_DIR})
check_include_file(openssl/aes.h HAVE_OPENSSL_AES_H)
if (NOT HAVE_OPENSSL_AES_H)
message(FATAL_ERROR "Could not detect openssl/aes.h")
endif()
set(CMAKE_REQUIRED_INCLUDES ${OPENSSL_INCLUDE_DIR})
check_include_file(openssl/blowfish.h HAVE_OPENSSL_BLOWFISH_H)
set(CMAKE_REQUIRED_INCLUDES ${OPENSSL_INCLUDE_DIR})
check_include_file(openssl/ecdh.h HAVE_OPENSSL_ECDH_H)
set(CMAKE_REQUIRED_INCLUDES ${OPENSSL_INCLUDE_DIR})
check_include_file(openssl/ec.h HAVE_OPENSSL_EC_H)
set(CMAKE_REQUIRED_INCLUDES ${OPENSSL_INCLUDE_DIR})
check_include_file(openssl/ecdsa.h HAVE_OPENSSL_ECDSA_H)
endif()
if (CMAKE_HAVE_PTHREAD_H)
set(HAVE_PTHREAD_H 1)
endif (CMAKE_HAVE_PTHREAD_H)
if (NOT WITH_GCRYPT)
if (HAVE_OPENSSL_EC_H AND HAVE_OPENSSL_ECDSA_H)
set(HAVE_OPENSSL_ECC 1)
endif (HAVE_OPENSSL_EC_H AND HAVE_OPENSSL_ECDSA_H)
if (HAVE_OPENSSL_ECC)
set(HAVE_ECC 1)
endif (HAVE_OPENSSL_ECC)
endif (NOT WITH_GCRYPT)
# FUNCTIONS
check_function_exists(isblank HAVE_ISBLANK)
check_function_exists(strncpy HAVE_STRNCPY)
check_symbol_exists(vsnprintf "stdio.h" HAVE_VSNPRINTF)
check_symbol_exists(snprintf "stdio.h" HAVE_SNPRINTF)
if (WIN32)
check_function_exists(_strtoui64 HAVE__STRTOUI64)
check_function_exists(_vsnprintf_s HAVE__VSNPRINTF_S)
check_function_exists(_vsnprintf HAVE__VSNPRINTF)
check_function_exists(_snprintf HAVE__SNPRINTF)
check_function_exists(_snprintf_s HAVE__SNPRINTF_S)
if (HAVE_WSPIAPI_H OR HAVE_WS2TCPIP_H)
check_symbol_exists(ntohll winsock2.h HAVE_NTOHLL)
check_symbol_exists(htonll winsock2.h HAVE_HTONLL)
set(CMAKE_REQUIRED_LIBRARIES ws2_32)
check_symbol_exists(select "winsock2.h;ws2tcpip.h" HAVE_SELECT)
check_symbol_exists(poll "winsock2.h;ws2tcpip.h" HAVE_SELECT)
# The getaddrinfo function is defined to the WspiapiGetAddrInfo inline function
check_symbol_exists(getaddrinfo "winsock2.h;ws2tcpip.h" HAVE_GETADDRINFO)
set(CMAKE_REQUIRED_LIBRARIES)
endif (HAVE_WSPIAPI_H OR HAVE_WS2TCPIP_H)
set(HAVE_SELECT TRUE)
else (WIN32)
check_function_exists(poll HAVE_POLL)
check_function_exists(select HAVE_SELECT)
check_function_exists(getaddrinfo HAVE_GETADDRINFO)
check_symbol_exists(ntohll arpa/inet.h HAVE_NTOHLL)
check_symbol_exists(htonll arpa/inet.h HAVE_HTONLL)
endif (WIN32)
if (UNIX)
if (NOT LINUX)
# libsocket (Solaris)
check_library_exists(socket getaddrinfo "" HAVE_LIBSOCKET)
if (HAVE_LIBSOCKET)
set(HAVE_GETADDRINFO TRUE)
set(CMAKE_REQUIRED_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES} socket)
endif (HAVE_LIBSOCKET)
# libnsl/inet_pton (Solaris)
check_library_exists(nsl inet_pton "" HAVE_LIBNSL)
if (HAVE_LIBNSL)
set(CMAKE_REQUIRED_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES} nsl)
endif (HAVE_LIBNSL)
# librt
check_library_exists(rt nanosleep "" HAVE_LIBRT)
endif (NOT LINUX)
check_library_exists(rt clock_gettime "" HAVE_CLOCK_GETTIME)
if (HAVE_LIBRT OR HAVE_CLOCK_GETTIME)
set(CMAKE_REQUIRED_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES} rt)
endif (HAVE_LIBRT OR HAVE_CLOCK_GETTIME)
check_library_exists(util forkpty "" HAVE_LIBUTIL)
check_function_exists(cfmakeraw HAVE_CFMAKERAW)
check_function_exists(strtoull HAVE_STRTOULL)
check_function_exists(__strtoull HAVE___STRTOULL)
endif (UNIX)
set(LIBSSH_REQUIRED_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES} CACHE INTERNAL "libssh required system libraries")
# LIBRARIES
if (OPENSSL_FOUND)
set(HAVE_LIBCRYPTO 1)
endif (OPENSSL_FOUND)
if (GCRYPT_FOUND)
set(HAVE_LIBGCRYPT 1)
if (GCRYPT_VERSION VERSION_GREATER "1.4.6")
#set(HAVE_GCRYPT_ECC 1)
#set(HAVE_ECC 1)
endif (GCRYPT_VERSION VERSION_GREATER "1.4.6")
endif (GCRYPT_FOUND)
if (CMAKE_USE_PTHREADS_INIT)
set(HAVE_PTHREAD 1)
endif (CMAKE_USE_PTHREADS_INIT)
# OPTIONS
check_c_source_compiles("
__thread int tls;
int main(void) {
return 0;
}" HAVE_GCC_THREAD_LOCAL_STORAGE)
check_c_source_compiles("
__declspec(thread) int tls;
int main(void) {
return 0;
}" HAVE_MSC_THREAD_LOCAL_STORAGE)
check_c_source_compiles("
#include <string.h>
int main(void)
{
char buf[] = \"This is some content\";
memset(buf, '\\\\0', sizeof(buf)); __asm__ volatile(\"\" : : \"r\"(&buf) : \"memory\");
return 0;
}" HAVE_GCC_VOLATILE_MEMORY_PROTECTION)
check_c_source_compiles("
#include <stdio.h>
#define __VA_NARG__(...) (__VA_NARG_(_0, ## __VA_ARGS__, __RSEQ_N()) - 1)
#define __VA_NARG_(...) __VA_ARG_N(__VA_ARGS__)
#define __VA_ARG_N( _1, _2, _3, _4, _5, _6, _7, _8, _9,_10,N,...) N
#define __RSEQ_N() 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0
#define myprintf(format, ...) printf((format), __VA_NARG__(__VA_ARGS__), __VA_ARGS__)
int main(void) {
myprintf(\"%d %d %d %d\",1,2,3);
return 0;
}" HAVE_GCC_NARG_MACRO)
check_c_source_compiles("
#include <stdio.h>
int main(void) {
printf(\"%s\", __func__);
return 0;
}" HAVE_COMPILER__FUNC__)
check_c_source_compiles("
#include <stdio.h>
int main(void) {
printf(\"%s\", __FUNCTION__);
return 0;
}" HAVE_COMPILER__FUNCTION__)
if (WITH_DEBUG_CRYPTO)
set(DEBUG_CRYPTO 1)
endif (WITH_DEBUG_CRYPTO)
if (WITH_DEBUG_CALLTRACE)
set(DEBUG_CALLTRACE 1)
endif (WITH_DEBUG_CALLTRACE)
if (WITH_GSSAPI AND NOT GSSAPI_FOUND)
set(WITH_GSSAPI 0)
endif (WITH_GSSAPI AND NOT GSSAPI_FOUND)
# ENDIAN
if (NOT WIN32)
test_big_endian(WORDS_BIGENDIAN)
endif (NOT WIN32)
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