+case "PHP_EXT_BUILDDIR(psi)" in
+""|.) PHP_PSI_BUILDDIR=$PHP_PSI_SRCDIR
+ ;;
+*) PHP_PSI_BUILDDIR=PHP_EXT_BUILDDIR(psi)
+ ;;
+esac
+
+m4_foreach(incfile, [
+ [ax/ax_check_sign.m4],
+ [ax/ax_pthread.m4],
+ [psi/psi.m4],
+ [psi/psi_type.m4],
+ [psi/psi_const.m4],
+ [psi/psi_decl.m4],
+ [psi/psi_macro.m4],
+ [psi/psi_composite.m4],
+ [posix/errno.m4],
+ [posix/fcntl.m4],
+ [posix/glob.m4],
+ [posix/locale.m4],
+ [posix/stddef.m4],
+ [posix/stdio.m4],
+ [posix/stdint.m4],
+ [posix/stdlib.m4],
+ [posix/sys_select.m4],
+ [posix/sys_socket.m4],
+ [posix/sys_stat.m4],
+ [posix/sys_time.m4],
+ [posix/sys_times.m4],
+ [posix/sys_types.m4],
+ [posix/sys_uio.m4],
+ [posix/sys_utsname.m4],
+ [posix/ndbm.m4],
+ [posix/netdb.m4],
+ [posix/netinet_in.m4],
+ [posix/netinet_tcp.m4],
+ [posix/poll.m4],
+ [posix/signal.m4],
+ [posix/syslog.m4],
+ [posix/time.m4],
+ [posix/unistd.m4],
+ [posix/wchar.m4],
+ [posix/wctype.m4]], [
+ dnl pecl build
+ sinclude([m4/]incfile)
+ dnl php-src build
+ sinclude([ext/psi/m4/]incfile)
+])
+
+PHP_ARG_ENABLE(psi, whether to enable PHP System Interface support,
+[ --enable-psi Enable PSI (PHP System Interface) support])
+
+if test "$PHP_PSI" != no; then
+ PHP_ARG_ENABLE(psi-posix, whether to pre-define POSIX decls,
+ [ --enable-psi-posix=... PSI: pre-define POSIX decls], [all], [no])
+
+ PHP_ARG_ENABLE(psi-maintainer-mode, whether to enable maintainer mode,
+ [ --enable-psi-maintainer-mode
+ PSI: enable maintainer mode
+ . parallel configure
+ . source dependencies
+ . extra decl wrappers], [no], [no])
+
+ PHP_ARG_WITH(psi-libjit, where to find libjit,
+ [ --with-psi-libjit=DIR PSI: path to libjit], [ ], [ ])
+
+ PHP_ARG_WITH(psi-libffi, where to find libffi,
+ [ --with-psi-libffi=DIR PSI: path to libffi], [ ], [ ])
+
+ AC_HEADER_ASSERT dnl # adds --disable-assert to define NDEBUG
+
+ dnl we cannot use AC_USE_SYSTEM_EXTENSIONS here, because we're way too late
+ dnl in the game, and we're currently only targeting _GNU_SOURCE for now
+ AC_MSG_CHECKING([for _GNU_SOURCE])
+ AC_EGREP_CPP([gnu_source_not_defined], [
+ #ifndef _GNU_SOURCE
+ gnu_source_not_defined
+ #endif
+ ], [
+ AC_MSG_RESULT([needs define])
+ AC_DEFINE([_GNU_SOURCE], [1], [ ])
+ ], [
+ AC_MSG_RESULT([already defined])
+ ])
+
+ PSI_LEMON
+ PSI_CHECK_LIBJIT
+ PSI_CHECK_LIBFFI
+
+ AC_PATH_PROG(NM, nm)
+ AC_FUNC_FNMATCH
+ AC_FUNC_MMAP
+
+ PSI_CONFIG_INIT
+
+ dnl basics, one-by-one
+ PSI_CHECK_STD_TYPES
+ PSI_CHECK_STDINT
+ PSI_CHECK_SYS_TYPES
+ PSI_CHECK_STDDEF
+
+ dnl parallel
+ AC_MSG_CHECKING([for POSIX modules: $PHP_PSI_POSIX])
+
+ PSI_CONFIG_POSIX(signal, signal.h, [
+ PSI_CONFIG_POSIX(time, time.h, [
+ PSI_CONFIG_POSIX(sys/stat, sys/stat.h)
+ PSI_CONFIG_POSIX(wchar, wchar.h, [
+ PSI_CONFIG_POSIX(wctype, wctype.h)
+ ])
+ ])
+ PSI_CONFIG_POSIX(sys/select, sys/select.h)
+ ])
+ PSI_CONFIG_POSIX(poll, poll.h)
+ PSI_CONFIG_POSIX(syslog, syslog.h)
+ PSI_CONFIG_POSIX(errno, errno.h)
+ PSI_CONFIG_POSIX(fcntl, fcntl.h)
+ PSI_CONFIG_POSIX(glob, glob.h)
+ PSI_CONFIG_POSIX(locale, locale.h xlocale.h)
+ PSI_CONFIG_POSIX(stdio, stdio.h)
+ PSI_CONFIG_POSIX(stdlib, stdlib.h)
+ PSI_CONFIG_POSIX(unistd, unistd.h)
+ PSI_CONFIG_POSIX(sys/socket, sys/socket.h, [
+ PSI_CONFIG_POSIX(netinet/in, netinet/in.h)
+ PSI_CONFIG_POSIX(netdb, netdb.h)
+ ])
+ PSI_CONFIG_POSIX(netinet/tcp, netinet/tcp.h)
+ PSI_CONFIG_POSIX(sys/time, sys/time.h)
+ PSI_CONFIG_POSIX(sys/times, sys/times.h)
+ PSI_CONFIG_POSIX(sys/uio, sys/uio.h)
+ PSI_CONFIG_POSIX(sys/utsname, sys/utsname.h)
+ PSI_CONFIG_POSIX(ndbm, dnl
+ ndbm.h dnl posix
+ relic.h dnl qdbm
+ gdbm-ndbm.h dnl gdbm
+ )
+
+ PSI_CONFIG_DONE
+
+ PHP_SUBST(PSI_SHARED_LIBADD)
+
+ AC_DEFINE_UNQUOTED(PHP_PSI_SHLIB_SUFFIX, ["$SHLIB_SUFFIX_NAME"], DL suffix)
+
+ PHP_ADD_INCLUDE($PHP_PSI_SRCDIR)