<commit_before>include(CheckCSourceCompiles)
include(CheckIncludeFiles)
include(CheckFunctionExists)
include(CheckSymbolExists)
include(CheckVariableExists)
include(CheckTypeSize)
include(CheckLibraryExists)
include(CMakeDetermineCCompiler)
include(FindThreads)
include(FindPkgConfig)

include(LighttpdMacros)

add_definitions(-D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -D_LARGE_FILES)

# default to ON
set(CMAKE_POSITION_INDEPENDENT_CODE ON CACHE BOOL "Default value for ``POSITION_INDEPENDENT_CODE`` of targets.")

option(WITH_XATTR "with xattr-support for the stat-cache [default: off]")
option(WITH_MYSQL "with mysql-support for mod_vhostdb_mysql [default: off]")
option(WITH_PGSQL "with postgres-support for mod_vhostdb_pgsql [default: off]")
option(WITH_DBI "with dbi-support for mod_vhostdb_dbi [default: off]")
option(WITH_GNUTLS "with GnuTLS-support [default: off]")
option(WITH_MBEDTLS "with mbedTLS-support [default: off]")
option(WITH_NSS "with NSS-crypto-support [default: off]")
option(WITH_OPENSSL "with openssl-support [default: off]")
option(WITH_WOLFSSL "with wolfSSL-support [default: off]")
option(WITH_NETTLE "with Nettle-support [default: off]")
option(WITH_PCRE "with regex support [default: on]" ON)
option(WITH_WEBDAV_PROPS "with property-support for mod_webdav [default: off]")
option(WITH_WEBDAV_LOCKS "locks in webdav [default: off]")
option(WITH_BROTLI "with brotli-support for mod_deflate [default: off]")
option(WITH_BZIP "with bzip2-support for mod_deflate [default: off]")
option(WITH_ZLIB "with deflate-support for mod_deflate [default: on]" ON)
option(WITH_ZSTD "with zstd-support for mod_deflate [default: off]")
option(WITH_KRB5 "with Kerberos5-support for mod_auth [default: off]")
option(WITH_LDAP "with LDAP-support for mod_auth mod_vhostdb_ldap [default: off]")
option(WITH_PAM "with PAM-support for mod_auth [default: off]")
option(WITH_LUA "with lua 5.1 for mod_magnet [default: off]")
# option(WITH_VALGRIND "with internal support for valgrind [default: off]")
option(WITH_FAM "fam/gamin for reducing number of stat() calls [default: off]")
option(WITH_GDBM "gdbm storage for mod_trigger_b4_dl [default: off]")
option(WITH_MEMCACHED "memcached storage for mod_trigger_b4_dl [default: off]")
option(WITH_LIBEV "libev support for fdevent handlers [default: off]")
option(WITH_LIBUNWIND "with libunwind to print backtraces in asserts [default: off]")
option(WITH_GEOIP "with GeoIP-support mod_geoip [default: off]")
option(WITH_MAXMINDDB "with MaxMind GeoIP2-support mod_maxminddb [default: off]")
option(WITH_SASL "with SASL-support for mod_authn_sasl [default: off]")
option(WITH_XXHASH "with system-provided xxhash [default: off]")

if(CMAKE_C_COMPILER_ID MATCHES "GNU" OR CMAKE_C_COMPILER_ID MATCHES "Clang")
	option(BUILD_EXTRA_WARNINGS "extra warnings")

	if(BUILD_EXTRA_WARNINGS)
		set(WARN_CFLAGS "-g -g2 -Wall -Wmissing-declarations -Wcast-align -Wsign-compare -Wnested-externs -Wpointer-arith -D_FORTIFY_SOURCE=2 -fstack-protector --param=ssp-buffer-size=4 -Wformat -Werror=format-security")
		set(WARN_LDFLAGS "-Wl,--as-needed")
		# -Werror -Wbad-function-cast -Wmissing-prototypes
	endif()
endif()

option(BUILD_STATIC "build a static lighttpd with all modules added")

if(BUILD_STATIC)
	set(LIGHTTPD_STATIC 1)
elseif(APPLE)
	set(CMAKE_SHARED_MODULE_PREFIX "")
else()
	set(CMAKE_SHARED_LIBRARY_PREFIX "")
endif()

if(WITH_LIBEV)
	find_package(LibEV REQUIRED)
	set(HAVE_LIBEV 1)
endif()

if(WITH_LIBUNWIND)
	pkg_check_modules(LIBUNWIND REQUIRED libunwind)
	set(HAVE_LIBUNWIND 1)
endif()

if(WITH_WEBDAV_PROPS)
	set(WITH_XML 1)
	set(WITH_SQLITE3 1)
endif()

if(WITH_WEBDAV_LOCKS)
	set(WITH_UUID 1)
endif()

check_include_files(sys/devpoll.h HAVE_SYS_DEVPOLL_H)
check_include_files(sys/epoll.h HAVE_SYS_EPOLL_H)
set(CMAKE_REQUIRED_FLAGS "-include sys/types.h")
check_include_files(sys/event.h HAVE_SYS_EVENT_H)
set(CMAKE_REQUIRED_FLAGS)
check_include_files(sys/inotify.h HAVE_SYS_INOTIFY_H)
check_include_files(sys/mman.h HAVE_SYS_MMAN_H)
check_include_files(sys/loadavg.h HAVE_SYS_LOADAVG_H)
check_include_files(sys/poll.h HAVE_SYS_POLL_H)
check_include_files(sys/port.h HAVE_SYS_PORT_H)
check_include_files(sys/prctl.h HAVE_SYS_PRCTL_H)
check_include_files(sys/resource.h HAVE_SYS_RESOURCE_H)
check_include_files(sys/sendfile.h HAVE_SYS_SENDFILE_H)
check_include_files(sys/select.h HAVE_SYS_SELECT_H)
check_include_files(sys/types.h HAVE_SYS_TYPES_H)
check_include_files(sys/uio.h HAVE_SYS_UIO_H)
check_include_files(sys/un.h HAVE_SYS_UN_H)
check_include_files(sys/wait.h HAVE_SYS_WAIT_H)
check_include_files(sys/time.h HAVE_SYS_TIME_H)
check_include_files(unistd.h HAVE_UNISTD_H)
check_include_files(pthread.h HAVE_PTHREAD_H)
check_include_files(getopt.h HAVE_GETOPT_H)
check_include_files(inttypes.h HAVE_INTTYPES_H)
check_include_files(poll.h HAVE_POLL_H)
check_include_files(pwd.h HAVE_PWD_H)
check_include_files(stddef.h HAVE_STDDEF_H)
check_include_files(stdint.h HAVE_STDINT_H)
check_include_files(strings.h HAVE_STRINGS_H)
check_include_files(syslog.h HAVE_SYSLOG_H)

# will be needed for auth
check_include_files(crypt.h HAVE_CRYPT_H)
# check if we need libcrypt for crypt_r()
check_library_exists(crypt crypt_r "" HAVE_LIBCRYPT_CRYPT_R)
if(HAVE_LIBCRYPT_CRYPT_R)
	set(HAVE_CRYPT_R 1)
	set(HAVE_LIBCRYPT 1)
else()
	check_library_exists(crypt crypt "" HAVE_LIBCRYPT)
endif()
check_function_exists(crypt_r HAVE_CRYPT_R)
check_function_exists(crypt HAVE_CRYPT)

check_include_files(sys/inotify.h HAVE_SYS_INOTIFY_H)
if(HAVE_SYS_INOTIFY_H)
	check_function_exists(inotify_init HAVE_INOTIFY_INIT)
endif()

set(CMAKE_EXTRA_INCLUDE_FILES sys/socket.h)
check_type_size(socklen_t HAVE_SOCKLEN_T)
set(CMAKE_EXTRA_INCLUDE_FILES)

check_include_files(sys/random.h HAVE_SYS_RANDOM_H)
set(CMAKE_EXTRA_INCLUDE_FILES sys/random.h)
check_function_exists(getentropy HAVE_GETENTROPY)
set(CMAKE_EXTRA_INCLUDE_FILES)

check_include_files(linux/random.h HAVE_LINUX_RANDOM_H)
set(CMAKE_EXTRA_INCLUDE_FILES linux/random.h)
check_function_exists(getrandom HAVE_GETRANDOM)
set(CMAKE_EXTRA_INCLUDE_FILES)

check_type_size(long SIZEOF_LONG)
check_type_size(off_t SIZEOF_OFF_T)

check_function_exists(arc4random_buf HAVE_ARC4RANDOM_BUF)
check_function_exists(chroot HAVE_CHROOT)
check_function_exists(copy_file_range HAVE_COPY_FILE_RANGE)
check_function_exists(epoll_ctl HAVE_EPOLL_CTL)
check_function_exists(fork HAVE_FORK)
check_function_exists(getloadavg HAVE_GETLOADAVG)
check_function_exists(getrlimit HAVE_GETRLIMIT)
check_function_exists(getuid HAVE_GETUID)
check_function_exists(gmtime_r HAVE_GMTIME_R)
check_function_exists(inet_aton HAVE_INET_ATON)
check_function_exists(inet_ntop HAVE_INET_NTOP)
check_function_exists(jrand48 HAVE_JRAND48)
check_function_exists(kqueue HAVE_KQUEUE)
check_function_exists(localtime_r HAVE_LOCALTIME_R)
check_function_exists(lstat HAVE_LSTAT)
check_function_exists(madvise HAVE_MADVISE)
check_function_exists(memcpy HAVE_MEMCPY)
check_function_exists(mempcpy HAVE_MEMPCPY)
check_function_exists(memset HAVE_MEMSET)
check_function_exists(mmap HAVE_MMAP)
check_function_exists(pathconf HAVE_PATHCONF)
check_function_exists(pipe2 HAVE_PIPE2)
check_function_exists(poll HAVE_POLL)
check_function_exists(port_create HAVE_PORT_CREATE)
check_function_exists(prctl HAVE_PRCTL)
check_function_exists(pread HAVE_PREAD)
check_function_exists(posix_fadvise HAVE_POSIX_FADVISE)
check_function_exists(select HAVE_SELECT)
check_function_exists(sendfile HAVE_SENDFILE)
check_function_exists(send_file HAVE_SEND_FILE)
check_function_exists(sendfile64 HAVE_SENDFILE64)
check_function_exists(sendfilev HAVE_SENDFILEV)
check_function_exists(sigaction HAVE_SIGACTION)
check_function_exists(signal HAVE_SIGNAL)
check_function_exists(sigtimedwait HAVE_SIGTIMEDWAIT)
check_function_exists(srandom HAVE_SRANDOM)
check_function_exists(strptime HAVE_STRPTIME)
check_function_exists(syslog HAVE_SYSLOG)
check_function_exists(timegm HAVE_TIMEGM)
check_function_exists(writev HAVE_WRITEV)
check_function_exists(inet_aton HAVE_INET_ATON)
check_function_exists(issetugid HAVE_ISSETUGID)
check_function_exists(inet_pton HAVE_INET_PTON)
check_function_exists(memset_s HAVE_MEMSET_S)
check_function_exists(explicit_bzero HAVE_EXPLICIT_BZERO)
check_function_exists(explicit_memset HAVE_EXPLICIT_MEMSET)
check_symbol_exists(clock_gettime "time.h" HAVE_CLOCK_GETTIME)
if (NOT HAVE_CLOCK_GETTIME)
	check_library_exists(rt clock_gettime "time.h" HAVE_CLOCK_GETTIME)
endif()
check_library_exists(elftc elftc_copyfile "libelftc.h" HAVE_ELFTC_COPYFILE)
check_c_source_compiles("
	#include <sys/types.h>
	#include <sys/socket.h>
	#include <netinet/in.h>

	int main() {
		struct sockaddr_in6 s; struct in6_addr t=in6addr_any; int i=AF_INET6; s; t.s6_addr[0] = 0;
		return 0;<commit_msg>[cmake] improve cmake detection of timegm<commit_after>include(CheckCSourceCompiles)
include(CheckIncludeFiles)
include(CheckFunctionExists)
include(CheckSymbolExists)
include(CheckVariableExists)
include(CheckTypeSize)
include(CheckLibraryExists)
include(CMakeDetermineCCompiler)
include(FindThreads)
include(FindPkgConfig)

include(LighttpdMacros)

add_definitions(-D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -D_LARGE_FILES -D_DEFAULT_SOURCE)

# default to ON
set(CMAKE_POSITION_INDEPENDENT_CODE ON CACHE BOOL "Default value for ``POSITION_INDEPENDENT_CODE`` of targets.")

option(WITH_XATTR "with xattr-support for the stat-cache [default: off]")
option(WITH_MYSQL "with mysql-support for mod_vhostdb_mysql [default: off]")
option(WITH_PGSQL "with postgres-support for mod_vhostdb_pgsql [default: off]")
option(WITH_DBI "with dbi-support for mod_vhostdb_dbi [default: off]")
option(WITH_GNUTLS "with GnuTLS-support [default: off]")
option(WITH_MBEDTLS "with mbedTLS-support [default: off]")
option(WITH_NSS "with NSS-crypto-support [default: off]")
option(WITH_OPENSSL "with openssl-support [default: off]")
option(WITH_WOLFSSL "with wolfSSL-support [default: off]")
option(WITH_NETTLE "with Nettle-support [default: off]")
option(WITH_PCRE "with regex support [default: on]" ON)
option(WITH_WEBDAV_PROPS "with property-support for mod_webdav [default: off]")
option(WITH_WEBDAV_LOCKS "locks in webdav [default: off]")
option(WITH_BROTLI "with brotli-support for mod_deflate [default: off]")
option(WITH_BZIP "with bzip2-support for mod_deflate [default: off]")
option(WITH_ZLIB "with deflate-support for mod_deflate [default: on]" ON)
option(WITH_ZSTD "with zstd-support for mod_deflate [default: off]")
option(WITH_KRB5 "with Kerberos5-support for mod_auth [default: off]")
option(WITH_LDAP "with LDAP-support for mod_auth mod_vhostdb_ldap [default: off]")
option(WITH_PAM "with PAM-support for mod_auth [default: off]")
option(WITH_LUA "with lua 5.1 for mod_magnet [default: off]")
# option(WITH_VALGRIND "with internal support for valgrind [default: off]")
option(WITH_FAM "fam/gamin for reducing number of stat() calls [default: off]")
option(WITH_GDBM "gdbm storage for mod_trigger_b4_dl [default: off]")
option(WITH_MEMCACHED "memcached storage for mod_trigger_b4_dl [default: off]")
option(WITH_LIBEV "libev support for fdevent handlers [default: off]")
option(WITH_LIBUNWIND "with libunwind to print backtraces in asserts [default: off]")
option(WITH_GEOIP "with GeoIP-support mod_geoip [default: off]")
option(WITH_MAXMINDDB "with MaxMind GeoIP2-support mod_maxminddb [default: off]")
option(WITH_SASL "with SASL-support for mod_authn_sasl [default: off]")
option(WITH_XXHASH "with system-provided xxhash [default: off]")

if(CMAKE_C_COMPILER_ID MATCHES "GNU" OR CMAKE_C_COMPILER_ID MATCHES "Clang")
	option(BUILD_EXTRA_WARNINGS "extra warnings")

	if(BUILD_EXTRA_WARNINGS)
		set(WARN_CFLAGS "-g -g2 -Wall -Wmissing-declarations -Wcast-align -Wsign-compare -Wnested-externs -Wpointer-arith -D_FORTIFY_SOURCE=2 -fstack-protector --param=ssp-buffer-size=4 -Wformat -Werror=format-security")
		set(WARN_LDFLAGS "-Wl,--as-needed")
		# -Werror -Wbad-function-cast -Wmissing-prototypes
	endif()
endif()

option(BUILD_STATIC "build a static lighttpd with all modules added")

if(BUILD_STATIC)
	set(LIGHTTPD_STATIC 1)
elseif(APPLE)
	set(CMAKE_SHARED_MODULE_PREFIX "")
else()
	set(CMAKE_SHARED_LIBRARY_PREFIX "")
endif()

if(WITH_LIBEV)
	find_package(LibEV REQUIRED)
	set(HAVE_LIBEV 1)
endif()

if(WITH_LIBUNWIND)
	pkg_check_modules(LIBUNWIND REQUIRED libunwind)
	set(HAVE_LIBUNWIND 1)
endif()

if(WITH_WEBDAV_PROPS)
	set(WITH_XML 1)
	set(WITH_SQLITE3 1)
endif()

if(WITH_WEBDAV_LOCKS)
	set(WITH_UUID 1)
endif()

check_include_files(sys/devpoll.h HAVE_SYS_DEVPOLL_H)
check_include_files(sys/epoll.h HAVE_SYS_EPOLL_H)
set(CMAKE_REQUIRED_FLAGS "-include sys/types.h")
check_include_files(sys/event.h HAVE_SYS_EVENT_H)
set(CMAKE_REQUIRED_FLAGS)
check_include_files(sys/inotify.h HAVE_SYS_INOTIFY_H)
check_include_files(sys/mman.h HAVE_SYS_MMAN_H)
check_include_files(sys/loadavg.h HAVE_SYS_LOADAVG_H)
check_include_files(sys/poll.h HAVE_SYS_POLL_H)
check_include_files(sys/port.h HAVE_SYS_PORT_H)
check_include_files(sys/prctl.h HAVE_SYS_PRCTL_H)
check_include_files(sys/resource.h HAVE_SYS_RESOURCE_H)
check_include_files(sys/sendfile.h HAVE_SYS_SENDFILE_H)
check_include_files(sys/select.h HAVE_SYS_SELECT_H)
check_include_files(sys/types.h HAVE_SYS_TYPES_H)
check_include_files(sys/uio.h HAVE_SYS_UIO_H)
check_include_files(sys/un.h HAVE_SYS_UN_H)
check_include_files(sys/wait.h HAVE_SYS_WAIT_H)
check_include_files(sys/time.h HAVE_SYS_TIME_H)
check_include_files(unistd.h HAVE_UNISTD_H)
check_include_files(pthread.h HAVE_PTHREAD_H)
check_include_files(getopt.h HAVE_GETOPT_H)
check_include_files(inttypes.h HAVE_INTTYPES_H)
check_include_files(poll.h HAVE_POLL_H)
check_include_files(pwd.h HAVE_PWD_H)
check_include_files(stddef.h HAVE_STDDEF_H)
check_include_files(stdint.h HAVE_STDINT_H)
check_include_files(strings.h HAVE_STRINGS_H)
check_include_files(syslog.h HAVE_SYSLOG_H)

# will be needed for auth
check_include_files(crypt.h HAVE_CRYPT_H)
# check if we need libcrypt for crypt_r()
check_library_exists(crypt crypt_r "" HAVE_LIBCRYPT_CRYPT_R)
if(HAVE_LIBCRYPT_CRYPT_R)
	set(HAVE_CRYPT_R 1)
	set(HAVE_LIBCRYPT 1)
else()
	check_library_exists(crypt crypt "" HAVE_LIBCRYPT)
endif()
check_function_exists(crypt_r HAVE_CRYPT_R)
check_function_exists(crypt HAVE_CRYPT)

check_include_files(sys/inotify.h HAVE_SYS_INOTIFY_H)
if(HAVE_SYS_INOTIFY_H)
	check_function_exists(inotify_init HAVE_INOTIFY_INIT)
endif()

set(CMAKE_EXTRA_INCLUDE_FILES sys/socket.h)
check_type_size(socklen_t HAVE_SOCKLEN_T)
set(CMAKE_EXTRA_INCLUDE_FILES)

check_include_files(sys/random.h HAVE_SYS_RANDOM_H)
set(CMAKE_EXTRA_INCLUDE_FILES sys/random.h)
check_function_exists(getentropy HAVE_GETENTROPY)
set(CMAKE_EXTRA_INCLUDE_FILES)

check_include_files(linux/random.h HAVE_LINUX_RANDOM_H)
set(CMAKE_EXTRA_INCLUDE_FILES linux/random.h)
check_function_exists(getrandom HAVE_GETRANDOM)
set(CMAKE_EXTRA_INCLUDE_FILES)

set(CMAKE_EXTRA_INCLUDE_FILES time.h)
check_function_exists(timegm HAVE_TIMEGM)
set(CMAKE_EXTRA_INCLUDE_FILES)

check_type_size(long SIZEOF_LONG)
check_type_size(off_t SIZEOF_OFF_T)

check_function_exists(arc4random_buf HAVE_ARC4RANDOM_BUF)
check_function_exists(chroot HAVE_CHROOT)
check_function_exists(copy_file_range HAVE_COPY_FILE_RANGE)
check_function_exists(epoll_ctl HAVE_EPOLL_CTL)
check_function_exists(fork HAVE_FORK)
check_function_exists(getloadavg HAVE_GETLOADAVG)
check_function_exists(getrlimit HAVE_GETRLIMIT)
check_function_exists(getuid HAVE_GETUID)
check_function_exists(gmtime_r HAVE_GMTIME_R)
check_function_exists(inet_aton HAVE_INET_ATON)
check_function_exists(inet_ntop HAVE_INET_NTOP)
check_function_exists(jrand48 HAVE_JRAND48)
check_function_exists(kqueue HAVE_KQUEUE)
check_function_exists(localtime_r HAVE_LOCALTIME_R)
check_function_exists(lstat HAVE_LSTAT)
check_function_exists(madvise HAVE_MADVISE)
check_function_exists(memcpy HAVE_MEMCPY)
check_function_exists(mempcpy HAVE_MEMPCPY)
check_function_exists(memset HAVE_MEMSET)
check_function_exists(mmap HAVE_MMAP)
check_function_exists(pathconf HAVE_PATHCONF)
check_function_exists(pipe2 HAVE_PIPE2)
check_function_exists(poll HAVE_POLL)
check_function_exists(port_create HAVE_PORT_CREATE)
check_function_exists(prctl HAVE_PRCTL)
check_function_exists(pread HAVE_PREAD)
check_function_exists(posix_fadvise HAVE_POSIX_FADVISE)
check_function_exists(select HAVE_SELECT)
check_function_exists(sendfile HAVE_SENDFILE)
check_function_exists(send_file HAVE_SEND_FILE)
check_function_exists(sendfile64 HAVE_SENDFILE64)
check_function_exists(sendfilev HAVE_SENDFILEV)
check_function_exists(sigaction HAVE_SIGACTION)
check_function_exists(signal HAVE_SIGNAL)
check_function_exists(sigtimedwait HAVE_SIGTIMEDWAIT)
check_function_exists(srandom HAVE_SRANDOM)
check_function_exists(strptime HAVE_STRPTIME)
check_function_exists(syslog HAVE_SYSLOG)
check_function_exists(writev HAVE_WRITEV)
check_function_exists(inet_aton HAVE_INET_ATON)
check_function_exists(issetugid HAVE_ISSETUGID)
check_function_exists(inet_pton HAVE_INET_PTON)
check_function_exists(memset_s HAVE_MEMSET_S)
check_function_exists(explicit_bzero HAVE_EXPLICIT_BZERO)
check_function_exists(explicit_memset HAVE_EXPLICIT_MEMSET)
check_symbol_exists(clock_gettime "time.h" HAVE_CLOCK_GETTIME)
if (NOT HAVE_CLOCK_GETTIME)
	check_library_exists(rt clock_gettime "time.h" HAVE_CLOCK_GETTIME)
endif()
check_library_exists(elftc elftc_copyfile "libelftc.h" HAVE_ELFTC_COPYFILE)
check_c_source_compiles("
	#include <sys/types.h>
	#include <sys/socket.h>
	#include <netinet/in.h>

	int main() {
		struct sockaddr_in6 s; struct in6_addr t=in6addr_any; int i=AF_INET6; s; t.s6_addr[0] = 0;
		return 0;
{'fraction_non_alphanumeric': 0.08333333333333333, 'fraction_numerical': 0.0047879616963064295, 'mean_word_length': 10.504918032786886, 'pattern_counts': {'":': 0, '<': 9, '<?xml version=': 0, '>': 9, 'https://': 0, 'lorem ipsum': 0, 'www.': 0, 'xml': 0}, 'pii_count': 0, 'substrings_counts': 0, 'word_list_counts': {'cursed_substrings.json': 0, 'profanity_word_list.json': 0, 'sexual_word_list.json': 0, 'zh_pornsignals.json': 0}}
{'dir': 'git-commits-cleaned', 'id': '2712933', 'n_tokens_mistral': 6910, 'n_tokens_neox': 6650, 'n_words': 1128}