diff options
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/configure.ac b/configure.ac index 484ce980a52..5b43817e1a5 100644 --- a/configure.ac +++ b/configure.ac @@ -1668,6 +1668,18 @@ AC_DEFINE_UNQUOTED(SYSTEM_TYPE, "$SYSTEM_TYPE", [The type of system you are compiling for; sets 'system-type'.]) AC_SUBST([SYSTEM_TYPE]) +OPTION_DEFAULT_OFF([poll], + [(experimental) use 'poll' instead of 'select' for checking file + descriptor status.]) +if test "$with_poll" = yes; then + AC_CHECK_HEADERS(sys/poll.h) + if test "x$ac_cv_header_sys_poll_h" = xyes; then + AC_DEFINE([USE_POLL], 1, [Define to 1 if you use poll.]) + USE_POLL=yes + else + USE_POLL=no + fi +fi pre_PKG_CONFIG_CFLAGS=$CFLAGS pre_PKG_CONFIG_LIBS=$LIBS @@ -6345,7 +6357,7 @@ optsep= emacs_config_features= for opt in ACL BE_APP CAIRO DBUS FREETYPE GCONF GIF GLIB GMP GNUTLS GPM GSETTINGS \ HARFBUZZ IMAGEMAGICK JPEG JSON LCMS2 LIBOTF LIBSELINUX LIBSYSTEMD LIBXML2 \ - M17N_FLT MODULES NATIVE_COMP NOTIFY NS OLDXMENU PDUMPER PGTK PNG RSVG SECCOMP \ + M17N_FLT MODULES NATIVE_COMP NOTIFY NS OLDXMENU PDUMPER PGTK PNG POLL RSVG SECCOMP \ SOUND SQLITE3 THREADS TIFF TOOLKIT_SCROLL_BARS \ UNEXEC WEBP X11 XAW3D XDBE XFT XIM XINPUT2 XPM XWIDGETS X_TOOLKIT \ ZLIB; do @@ -6355,7 +6367,7 @@ for opt in ACL BE_APP CAIRO DBUS FREETYPE GCONF GIF GLIB GMP GNUTLS GPM GSETTING UNEXEC) val=${with_unexec} ;; GLIB) val=${emacs_cv_links_glib} ;; NOTIFY|ACL) eval val=\${${opt}_SUMMARY} ;; - TOOLKIT_SCROLL_BARS|X_TOOLKIT) eval val=\${USE_$opt} ;; + TOOLKIT_SCROLL_BARS|X_TOOLKIT|POLL) eval val=\${USE_$opt} ;; THREADS) val=${threads_enabled} ;; *) eval val=\${HAVE_$opt} ;; esac @@ -6426,6 +6438,7 @@ AS_ECHO([" Does Emacs use -lXaw3d? ${HAVE_XAW3D Which dumping strategy does Emacs use? ${with_dumping} Does Emacs have native lisp compiler? ${HAVE_NATIVE_COMP} Does Emacs use version 2 of the the X Input Extension? ${HAVE_XINPUT2} + Does Emacs use 'poll'? ${USE_POLL} "]) if test -n "${EMACSDATA}"; then |