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Diffstat (limited to 'cmake/CheckSystemFeatures.cmake')
| -rw-r--r-- | cmake/CheckSystemFeatures.cmake | 207 |
1 files changed, 207 insertions, 0 deletions
diff --git a/cmake/CheckSystemFeatures.cmake b/cmake/CheckSystemFeatures.cmake new file mode 100644 index 000000000..0a15749fd --- /dev/null +++ b/cmake/CheckSystemFeatures.cmake @@ -0,0 +1,207 @@ +# CheckSystemFeatures.cmake +# Checks for various system features, functions, and functionality + +# Check platform API and features +function(CheckSystemFeatures) + # Process-related functions + if (NOT CMAKE_SYSTEM_NAME STREQUAL "Linux") + # setproctitle is broken badly in Linux, never try it + check_function_exists(setproctitle HAVE_SETPROCTITLE) + endif () + + # Memory and file management + check_function_exists(getpagesize HAVE_GETPAGESIZE) + check_function_exists(nanosleep HAVE_NANOSLEEP) + check_function_exists(flock HAVE_FLOCK) + check_library_exists(m tanh "" HAVE_TANH) + check_function_exists(mkstemp HAVE_MKSTEMP) + check_function_exists(clock_gettime HAVE_CLOCK_GETTIME) + + # Check macros and constants + check_symbol_exists(PATH_MAX limits.h HAVE_PATH_MAX) + check_symbol_exists(MAXPATHLEN sys/param.h HAVE_MAXPATHLEN) + check_symbol_exists(MAP_ANON sys/mman.h HAVE_MMAP_ANON) + check_symbol_exists(IPV6_V6ONLY "sys/socket.h;netinet/in.h" HAVE_IPV6_V6ONLY) + check_symbol_exists(posix_fallocate fcntl.h HAVE_POSIX_FALLOCATE) + check_symbol_exists(fallocate fcntl.h HAVE_FALLOCATE) + check_symbol_exists(_SC_NPROCESSORS_ONLN unistd.h HAVE_SC_NPROCESSORS_ONLN) + check_symbol_exists(setbit sys/param.h PARAM_H_HAS_BITSET) + check_symbol_exists(getaddrinfo "sys/types.h;sys/socket.h;netdb.h" HAVE_GETADDRINFO) + check_symbol_exists(sched_yield "sched.h" HAVE_SCHED_YIELD) + check_symbol_exists(nftw "sys/types.h;ftw.h" HAVE_NFTW) + check_symbol_exists(memrchr "string.h" HAVE_MEMRCHR) + + # Check if PCRE has JIT support + if (ENABLE_PCRE2) + list(APPEND CMAKE_REQUIRED_INCLUDES "${PCRE_INCLUDE}") + check_symbol_exists(PCRE2_CONFIG_JIT "pcre2.h" HAVE_PCRE_JIT) + else () + list(APPEND CMAKE_REQUIRED_INCLUDES "${PCRE_INCLUDE}") + check_symbol_exists(PCRE_CONFIG_JIT "pcre.h" HAVE_PCRE_JIT) + endif () + + # Socket features + check_symbol_exists(SOCK_SEQPACKET "sys/types.h;sys/socket.h" HAVE_SOCK_SEQPACKET) + + # File handling features + check_symbol_exists(O_NOFOLLOW "sys/types.h;sys/fcntl.h" HAVE_ONOFOLLOW) + check_symbol_exists(O_CLOEXEC "sys/types.h;sys/fcntl.h" HAVE_OCLOEXEC) + + # OpenSSL specific stuff + list(APPEND CMAKE_REQUIRED_INCLUDES "${LIBSSL_INCLUDE}") + if (LIBCRYPT_LIBRARY_PATH) + set(CMAKE_REQUIRED_LIBRARIES "${CMAKE_REQUIRED_LIBRARIES};-L${LIBCRYPT_LIBRARY_PATH};${LIBCRYPT_LIBRARY}") + set(CMAKE_REQUIRED_LIBRARIES "${CMAKE_REQUIRED_LIBRARIES};-L${LIBSSL_LIBRARY_PATH};${LIBSSL_LIBRARY}") + else () + set(CMAKE_REQUIRED_LIBRARIES "${CMAKE_REQUIRED_LIBRARIES};-lcrypt;-lssl") + endif () + + check_symbol_exists(SSL_set_tlsext_host_name "openssl/ssl.h" HAVE_SSL_TLSEXT_HOSTNAME) + check_symbol_exists(FIPS_mode "openssl/crypto.h" HAVE_FIPS_MODE) + + # Directory and file path operations + check_symbol_exists(dirfd "sys/types.h;unistd.h;dirent.h" HAVE_DIRFD) + check_symbol_exists(fpathconf "sys/types.h;unistd.h" HAVE_FPATHCONF) + + # Signal handling and memory operations + check_symbol_exists(sigaltstack "signal.h" HAVE_SIGALTSTACK) + check_symbol_exists(open_memstream "stdio.h" HAVE_OPENMEMSTREAM) + check_symbol_exists(fmemopen "stdio.h" HAVE_FMEMOPEN) + check_symbol_exists(clock_getcpuclockid "sys/types.h;time.h" HAVE_CLOCK_GETCPUCLOCKID) + check_symbol_exists(RUSAGE_SELF "sys/types.h;sys/resource.h" HAVE_RUSAGE_SELF) + check_symbol_exists(ffsll "strings.h" HAVE_FFSLL) + + # Check for PCRE JIT fast path + if (ENABLE_PCRE2) + if (HAVE_PCRE_JIT) + set(HAVE_PCRE_JIT_FAST 1) + message(STATUS "PCRE2 JIT is supported") + else () + message(STATUS "PCRE2 JIT is NOT supported") + endif () + else () + list(APPEND CMAKE_REQUIRED_INCLUDES "${PCRE_INCLUDE}") + if (PCRE_LIBRARY_PATH) + set(CMAKE_REQUIRED_LIBRARIES "${CMAKE_REQUIRED_LIBRARIES};-L${PCRE_LIBRARY_PATH};${PCRE_LIBRARY}") + else () + set(CMAKE_REQUIRED_LIBRARIES "${CMAKE_REQUIRED_LIBRARIES};-lpcre") + endif () + + # Check for PCRE JIT fast path + set(_PCRE_FAST_TEST " +#include \"pcre.h\" +int main (void) +{ + int rc; + int ovector[30]; + pcre *re; + pcre_extra *extra; + pcre_jit_stack *jit_stack; + + re = pcre_compile(\"abc\", 0, NULL, NULL, NULL); + extra = pcre_study(re, PCRE_STUDY_JIT_COMPILE, NULL); + jit_stack = pcre_jit_stack_alloc(32*1024, 512*1024); + pcre_assign_jit_stack(extra, NULL, jit_stack); + rc = pcre_jit_exec(re, extra, \"abc\", 3, 0, 0, ovector, 30, jit_stack); + + return rc; +} +") + check_c_source_compiles("${_PCRE_FAST_TEST}" HAVE_PCRE_JIT_FAST) + if (HAVE_PCRE_JIT_FAST) + message(STATUS "pcre_jit_exec is supported") + else () + message(STATUS "pcre_jit_exec is NOT supported") + endif () + endif () + + # Critical checks + if (NOT HAVE_GETADDRINFO) + message(FATAL_ERROR "Your system does not support getaddrinfo call, please consider upgrading it to run rspamd") + endif () + + # Check for signal information + if (HAVE_SIGINFO_H) + check_symbol_exists(SA_SIGINFO "signal.h;siginfo.h" HAVE_SA_SIGINFO) + else () + check_symbol_exists(SA_SIGINFO "signal.h" HAVE_SA_SIGINFO) + endif () + + # Clock and timer features + if (NOT CMAKE_SYSTEM_NAME STREQUAL "SunOS") + if (HAVE_CLOCK_GETTIME) + check_symbol_exists(CLOCK_PROCESS_CPUTIME_ID time.h HAVE_CLOCK_PROCESS_CPUTIME_ID) + check_symbol_exists(CLOCK_VIRTUAL time.h HAVE_CLOCK_VIRTUAL) + else () + check_include_files(sys/timeb.h HAVE_SYS_TIMEB_H) + endif () + endif () + + # Linux-specific features + if (CMAKE_SYSTEM_NAME STREQUAL "Linux") + # In linux, we need to mount /run/shm to test which could be unavailable + # on a build system. On the other hand, we know that linux has stupid + # but compatible shmem support, so we assume this macro as true + set(HAVE_SANE_SHMEM 1) + + check_c_source_compiles("#define _GNU_SOURCE + #include <sys/socket.h> + int main (int argc, char **argv) { + return ((int*)(&recvmmsg))[argc]; + }" HAVE_RECVMMSG) + + check_c_source_compiles("#define _GNU_SOURCE + #include <fcntl.h> + int main (int argc, char **argv) { + return ((int*)(&readahead))[argc]; + }" HAVE_READAHEAD) + endif () + + # Propagate variables to parent scope + set(HAVE_PCRE_JIT_FAST ${HAVE_PCRE_JIT_FAST} PARENT_SCOPE) + set(HAVE_SANE_SHMEM ${HAVE_SANE_SHMEM} PARENT_SCOPE) + set(HAVE_GETPAGESIZE ${HAVE_GETPAGESIZE} PARENT_SCOPE) + set(HAVE_NANOSLEEP ${HAVE_NANOSLEEP} PARENT_SCOPE) + set(HAVE_FLOCK ${HAVE_FLOCK} PARENT_SCOPE) + set(HAVE_TANH ${HAVE_TANH} PARENT_SCOPE) + set(HAVE_MKSTEMP ${HAVE_MKSTEMP} PARENT_SCOPE) + set(HAVE_CLOCK_GETTIME ${HAVE_CLOCK_GETTIME} PARENT_SCOPE) + set(HAVE_PATH_MAX ${HAVE_PATH_MAX} PARENT_SCOPE) + set(HAVE_MAXPATHLEN ${HAVE_MAXPATHLEN} PARENT_SCOPE) + set(HAVE_MMAP_ANON ${HAVE_MMAP_ANON} PARENT_SCOPE) + set(HAVE_IPV6_V6ONLY ${HAVE_IPV6_V6ONLY} PARENT_SCOPE) + set(HAVE_POSIX_FALLOCATE ${HAVE_POSIX_FALLOCATE} PARENT_SCOPE) + set(HAVE_FALLOCATE ${HAVE_FALLOCATE} PARENT_SCOPE) + set(HAVE_SC_NPROCESSORS_ONLN ${HAVE_SC_NPROCESSORS_ONLN} PARENT_SCOPE) + set(PARAM_H_HAS_BITSET ${PARAM_H_HAS_BITSET} PARENT_SCOPE) + set(HAVE_GETADDRINFO ${HAVE_GETADDRINFO} PARENT_SCOPE) + set(HAVE_SCHED_YIELD ${HAVE_SCHED_YIELD} PARENT_SCOPE) + set(HAVE_NFTW ${HAVE_NFTW} PARENT_SCOPE) + set(HAVE_MEMRCHR ${HAVE_MEMRCHR} PARENT_SCOPE) + set(HAVE_PCRE_JIT ${HAVE_PCRE_JIT} PARENT_SCOPE) + set(HAVE_SOCK_SEQPACKET ${HAVE_SOCK_SEQPACKET} PARENT_SCOPE) + set(HAVE_ONOFOLLOW ${HAVE_ONOFOLLOW} PARENT_SCOPE) + set(HAVE_OCLOEXEC ${HAVE_OCLOEXEC} PARENT_SCOPE) + set(HAVE_SSL_TLSEXT_HOSTNAME ${HAVE_SSL_TLSEXT_HOSTNAME} PARENT_SCOPE) + set(HAVE_FIPS_MODE ${HAVE_FIPS_MODE} PARENT_SCOPE) + set(HAVE_DIRFD ${HAVE_DIRFD} PARENT_SCOPE) + set(HAVE_FPATHCONF ${HAVE_FPATHCONF} PARENT_SCOPE) + set(HAVE_SIGALTSTACK ${HAVE_SIGALTSTACK} PARENT_SCOPE) + set(HAVE_OPENMEMSTREAM ${HAVE_OPENMEMSTREAM} PARENT_SCOPE) + set(HAVE_FMEMOPEN ${HAVE_FMEMOPEN} PARENT_SCOPE) + set(HAVE_CLOCK_GETCPUCLOCKID ${HAVE_CLOCK_GETCPUCLOCKID} PARENT_SCOPE) + set(HAVE_RUSAGE_SELF ${HAVE_RUSAGE_SELF} PARENT_SCOPE) + set(HAVE_FFSLL ${HAVE_FFSLL} PARENT_SCOPE) + set(HAVE_SA_SIGINFO ${HAVE_SA_SIGINFO} PARENT_SCOPE) + set(HAVE_CLOCK_PROCESS_CPUTIME_ID ${HAVE_CLOCK_PROCESS_CPUTIME_ID} PARENT_SCOPE) + set(HAVE_CLOCK_VIRTUAL ${HAVE_CLOCK_VIRTUAL} PARENT_SCOPE) + + # Linux-specific features propagation + if (CMAKE_SYSTEM_NAME STREQUAL "Linux") + set(HAVE_RECVMMSG ${HAVE_RECVMMSG} PARENT_SCOPE) + set(HAVE_READAHEAD ${HAVE_READAHEAD} PARENT_SCOPE) + endif () +endfunction() + +# Execute the function +CheckSystemFeatures() |