mirror of
https://github.com/tmux/tmux.git
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626 lines
12 KiB
Plaintext
626 lines
12 KiB
Plaintext
# configure.ac
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AC_INIT(tmux, master)
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AC_PREREQ([2.60])
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AC_CONFIG_AUX_DIR(etc)
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AC_CONFIG_LIBOBJ_DIR(compat)
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AM_INIT_AUTOMAKE([foreign subdir-objects])
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AC_CANONICAL_HOST
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# When CFLAGS isn't set at this stage and gcc is detected by the macro below,
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# autoconf will automatically use CFLAGS="-O2 -g". Prevent that by using an
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# empty default.
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: ${CFLAGS=""}
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# Save user CPPFLAGS, CFLAGS and LDFLAGS. We need to change them because
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# AC_CHECK_HEADER doesn't give us any other way to update the include
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# paths. But for Makefile.am we want to use AM_CPPFLAGS and friends.
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SAVED_CFLAGS="$CFLAGS"
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SAVED_CPPFLAGS="$CPPFLAGS"
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SAVED_LDFLAGS="$LDFLAGS"
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# Set up the compiler in two different ways and say yes we may want to install.
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AC_PROG_CC
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AM_PROG_CC_C_O
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AC_PROG_CC_C99
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AC_PROG_CPP
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AC_PROG_EGREP
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AC_PROG_INSTALL
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PKG_PROG_PKG_CONFIG
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AC_USE_SYSTEM_EXTENSIONS
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# Default tmux.conf goes in /etc not ${prefix}/etc.
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test "$sysconfdir" = '${prefix}/etc' && sysconfdir=/etc
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# Is this --enable-debug?
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enable_debug=yes
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AC_ARG_ENABLE(
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debug,
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AC_HELP_STRING(--enable-debug, enable debug build flags),
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)
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AM_CONDITIONAL(IS_DEBUG, test "x$enable_debug" = xyes)
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# Is this a static build?
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AC_ARG_ENABLE(
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static,
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AC_HELP_STRING(--enable-static, create a static build)
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)
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if test "x$enable_static" = xyes; then
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test "x$PKG_CONFIG" != x && PKG_CONFIG="$PKG_CONFIG --static"
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AM_LDFLAGS="-static $AM_LDFLAGS"
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LDFLAGS="$AM_LDFLAGS $SAVED_LDFLAGS"
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fi
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# Is this gcc?
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AM_CONDITIONAL(IS_GCC, test "x$GCC" = xyes)
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# Is this Sun CC?
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AC_EGREP_CPP(
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yes,
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[
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#ifdef __SUNPRO_C
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yes
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#endif
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],
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found_suncc=yes,
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found_suncc=no
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)
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AM_CONDITIONAL(IS_SUNCC, test "x$found_suncc" = xyes)
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# Check for various headers. Alternatives included from compat.h.
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AC_CHECK_HEADERS([ \
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bitstring.h \
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dirent.h \
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fcntl.h \
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inttypes.h \
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libutil.h \
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ndir.h \
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paths.h \
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pty.h \
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stdint.h \
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sys/dir.h \
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sys/ndir.h \
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sys/tree.h \
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util.h \
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])
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# Look for library needed for flock.
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AC_SEARCH_LIBS(flock, bsd)
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# Check for functions that are replaced or omitted.
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AC_CHECK_FUNCS([ \
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dirfd \
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flock \
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prctl \
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sysconf \
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])
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# Check for functions with a compatibility implementation.
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AC_REPLACE_FUNCS([ \
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asprintf \
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cfmakeraw \
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closefrom \
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explicit_bzero \
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fgetln \
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fparseln \
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getdtablecount \
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getprogname \
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recallocarray \
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reallocarray \
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setenv \
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setproctitle \
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strcasestr \
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strlcat \
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strlcpy \
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strndup \
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strsep \
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strtonum \
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])
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AC_FUNC_STRNLEN
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# Look for clock_gettime. Must come before event_init.
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AC_SEARCH_LIBS(clock_gettime, rt)
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# Look for libevent.
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PKG_CHECK_MODULES(
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LIBEVENT,
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libevent,
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[
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AM_CFLAGS="$LIBEVENT_CFLAGS $AM_CFLAGS"
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CFLAGS="$AM_CFLAGS $SAVED_CFLAGS"
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LIBS="$LIBEVENT_LIBS $LIBS"
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found_libevent=yes
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],
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[
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AC_SEARCH_LIBS(
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event_init,
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[event event-1.4 event2],
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found_libevent=yes,
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found_libevent=no
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)
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]
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)
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AC_CHECK_HEADER(
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event.h,
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,
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found_libevent=no
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)
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if test "x$found_libevent" = xno; then
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AC_MSG_ERROR("libevent not found")
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fi
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# Look for ncurses.
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PKG_CHECK_MODULES(
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LIBTINFO,
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tinfo,
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found_ncurses=yes,
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found_ncurses=no
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)
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if test "x$found_ncurses" = xno; then
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PKG_CHECK_MODULES(
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LIBNCURSES,
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ncurses,
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found_ncurses=yes,
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found_ncurses=no
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)
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fi
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if test "x$found_ncurses" = xno; then
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PKG_CHECK_MODULES(
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LIBNCURSES,
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ncursesw,
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found_ncurses=yes,
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found_ncurses=no
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)
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fi
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if test "x$found_ncurses" = xyes; then
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CPPFLAGS="$LIBNCURSES_CFLAGS $LIBTINFO_CFLAGS $CPPFLAGS"
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LIBS="$LIBNCURSES_LIBS $LIBTINFO_LIBS $LIBS"
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else
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# pkg-config didn't work, try ncurses.
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AC_CHECK_LIB(
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tinfo,
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setupterm,
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found_ncurses=yes,
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found_ncurses=no
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)
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if test "x$found_ncurses" = xno; then
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AC_CHECK_LIB(
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ncurses,
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setupterm,
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found_ncurses=yes,
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found_ncurses=no
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)
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fi
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if test "x$found_ncurses" = xyes; then
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AC_CHECK_HEADER(
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ncurses.h,
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LIBS="$LIBS -lncurses",
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found_ncurses=no)
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fi
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fi
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if test "x$found_ncurses" = xyes; then
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AC_DEFINE(HAVE_NCURSES_H)
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else
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# No ncurses, try curses.
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AC_CHECK_LIB(
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curses,
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setupterm,
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found_curses=yes,
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found_curses=no
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)
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AC_CHECK_HEADER(
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curses.h,
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,
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found_curses=no)
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if test "x$found_curses" = xyes; then
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LIBS="$LIBS -lcurses"
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AC_DEFINE(HAVE_CURSES_H)
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else
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AC_MSG_ERROR("curses not found")
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fi
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fi
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# Look for utempter.
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AC_ARG_ENABLE(
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utempter,
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AC_HELP_STRING(--enable-utempter, use utempter if it is installed)
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)
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if test "x$enable_utempter" = xyes; then
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AC_CHECK_HEADER(utempter.h, enable_utempter=yes, enable_utempter=no)
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if test "x$enable_utempter" = xyes; then
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AC_SEARCH_LIBS(
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utempter_add_record,
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utempter,
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enable_utempter=yes,
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enable_utempter=no
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)
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fi
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if test "x$enable_utempter" = xyes; then
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AC_DEFINE(HAVE_UTEMPTER)
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else
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AC_MSG_ERROR("utempter not found")
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fi
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fi
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# Look for utf8proc.
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AC_ARG_ENABLE(
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utf8proc,
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AC_HELP_STRING(--enable-utf8proc, use utf8proc if it is installed)
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)
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if test "x$enable_utf8proc" = xyes; then
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AC_CHECK_HEADER(utf8proc.h, enable_utf8proc=yes, enable_utf8proc=no)
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if test "x$enable_utf8proc" = xyes; then
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AC_SEARCH_LIBS(
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utf8proc_charwidth,
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utf8proc,
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enable_utf8proc=yes,
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enable_utf8proc=no
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)
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fi
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if test "x$enable_utf8proc" = xyes; then
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AC_DEFINE(HAVE_UTF8PROC)
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else
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AC_MSG_ERROR("utf8proc not found")
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fi
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fi
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AM_CONDITIONAL(HAVE_UTF8PROC, [test "x$enable_utf8proc" = xyes])
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# Check for b64_ntop. If we have b64_ntop, we assume b64_pton as well.
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AC_MSG_CHECKING(for b64_ntop)
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AC_TRY_LINK(
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[
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#include <sys/types.h>
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#include <netinet/in.h>
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#include <resolv.h>
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],
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[b64_ntop(NULL, 0, NULL, 0);],
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found_b64_ntop=yes,
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found_b64_ntop=no
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)
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if test "x$found_b64_ntop" = xno; then
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AC_MSG_RESULT(no)
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AC_MSG_CHECKING(for b64_ntop with -lresolv)
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LIBS="$LIBS -lresolv"
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AC_TRY_LINK(
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[
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#include <sys/types.h>
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#include <netinet/in.h>
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#include <resolv.h>
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],
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[b64_ntop(NULL, 0, NULL, 0);],
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found_b64_ntop=yes,
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found_b64_ntop=no
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)
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if test "x$found_b64_ntop" = xno; then
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AC_MSG_RESULT(no)
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fi
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fi
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if test "x$found_b64_ntop" = xyes; then
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AC_DEFINE(HAVE_B64_NTOP)
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AC_MSG_RESULT(yes)
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else
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AC_LIBOBJ(base64)
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fi
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# Look for networking libraries.
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AC_SEARCH_LIBS(inet_ntoa, nsl)
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AC_SEARCH_LIBS(socket, socket)
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AC_CHECK_LIB(xnet, socket)
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# Check for CMSG_DATA. Some platforms require _XOPEN_SOURCE_EXTENDED (for
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# example see xopen_networking(7) on HP-UX).
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XOPEN_DEFINES=
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AC_MSG_CHECKING(for CMSG_DATA)
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AC_EGREP_CPP(
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yes,
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[
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#include <sys/socket.h>
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#ifdef CMSG_DATA
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yes
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#endif
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],
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found_cmsg_data=yes,
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found_cmsg_data=no
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)
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AC_MSG_RESULT($found_cmsg_data)
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if test "x$found_cmsg_data" = xno; then
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AC_MSG_CHECKING(if CMSG_DATA needs _XOPEN_SOURCE_EXTENDED)
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AC_EGREP_CPP(
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yes,
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[
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#define _XOPEN_SOURCE 1
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#define _XOPEN_SOURCE_EXTENDED 1
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#include <sys/socket.h>
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#ifdef CMSG_DATA
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yes
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#endif
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],
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found_cmsg_data=yes,
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found_cmsg_data=no
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)
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AC_MSG_RESULT($found_cmsg_data)
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if test "x$found_cmsg_data" = xyes; then
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XOPEN_DEFINES="-D_XOPEN_SOURCE -D_XOPEN_SOURCE_EXTENDED"
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else
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AC_MSG_ERROR("CMSG_DATA not found")
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fi
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fi
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AC_SUBST(XOPEN_DEFINES)
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# Look for err and friends in err.h.
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AC_CHECK_FUNC(err, found_err_h=yes, found_err_h=no)
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AC_CHECK_FUNC(errx, , found_err_h=no)
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AC_CHECK_FUNC(warn, , found_err_h=no)
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AC_CHECK_FUNC(warnx, , found_err_h=no)
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if test "x$found_err_h" = xyes; then
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AC_CHECK_HEADER(err.h, , found_err_h=no)
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else
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AC_LIBOBJ(err)
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fi
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# Look for imsg_init in libutil.
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AC_SEARCH_LIBS(imsg_init, util, found_imsg_init=yes, found_imsg_init=no)
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if test "x$found_imsg_init" = xyes; then
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AC_DEFINE(HAVE_IMSG)
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else
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AC_LIBOBJ(imsg)
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AC_LIBOBJ(imsg-buffer)
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fi
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# Look for daemon, compat/daemon.c used if missing. Solaris 10 has it in
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# libresolv, but no declaration anywhere, so check for declaration as well as
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# function.
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AC_CHECK_FUNC(daemon, found_daemon=yes, found_daemon=no)
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AC_CHECK_DECL(
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daemon,
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,
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found_daemon=no,
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[
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#include <stdlib.h>
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#include <unistd.h>
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]
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)
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if test "x$found_daemon" = xyes; then
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AC_DEFINE(HAVE_DAEMON)
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else
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AC_LIBOBJ(daemon)
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fi
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# Look for stravis, compat/{vis,unvis}.c used if missing.
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AC_CHECK_FUNC(stravis, found_stravis=yes, found_stravis=no)
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if test "x$found_stravis" = xyes; then
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AC_MSG_CHECKING(if strnvis is broken)
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AC_EGREP_HEADER([strnvis\(char \*, const char \*, size_t, int\)],
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vis.h,
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AC_MSG_RESULT(no),
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[found_stravis=no])
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if test "x$found_stravis" = xno; then
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AC_MSG_RESULT(yes)
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fi
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fi
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if test "x$found_stravis" = xyes; then
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AC_CHECK_DECL(
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VIS_DQ,
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,
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found_stravis=no,
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[
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#include <stdlib.h>
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#include <vis.h>
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]
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)
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fi
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if test "x$found_stravis" = xyes; then
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AC_DEFINE(HAVE_VIS)
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else
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AC_LIBOBJ(vis)
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AC_LIBOBJ(unvis)
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fi
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# Look for getopt. glibc's getopt does not enforce argument order and the ways
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# of making it do so are stupid, so just use our own instead.
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AC_CHECK_FUNC(getopt, found_getopt=yes, found_getopt=no)
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if test "x$found_getopt" != xno; then
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AC_MSG_CHECKING(if getopt is suitable)
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AC_EGREP_CPP(
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yes,
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[
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#include <features.h>
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#ifdef __GLIBC__
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yes
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#endif
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],
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[
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found_getopt=no
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AC_MSG_RESULT(no)
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],
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AC_MSG_RESULT(yes))
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fi
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if test "x$found_getopt" != xno; then
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AC_CHECK_DECLS(
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[optarg, optind, optreset],
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,
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found_getopt=no,
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[
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#include <unistd.h>
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])
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fi
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if test "x$found_getopt" != xno; then
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AC_DEFINE(HAVE_GETOPT)
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else
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AC_LIBOBJ(getopt)
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fi
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# Look for forkpty in libutil. compat/forkpty-*.c is linked if not found.
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AC_SEARCH_LIBS(forkpty, util, found_forkpty=yes, found_forkpty=no)
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if test "x$found_forkpty" = xyes; then
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AC_DEFINE(HAVE_FORKPTY)
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fi
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AM_CONDITIONAL(NEED_FORKPTY, test "x$found_forkpty" = xno)
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# Look for a suitable queue.h.
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AC_CHECK_DECL(
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TAILQ_CONCAT,
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found_queue_h=yes,
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found_queue_h=no,
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[#include <sys/queue.h>]
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)
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AC_CHECK_DECL(
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TAILQ_PREV,
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found_queue_h=yes,
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found_queue_h=no,
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[#include <sys/queue.h>]
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)
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AC_CHECK_DECL(
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TAILQ_REPLACE,
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,
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found_queue_h=no,
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[#include <sys/queue.h>]
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)
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if test "x$found_queue_h" = xyes; then
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AC_DEFINE(HAVE_QUEUE_H)
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fi
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# Look for __progname.
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AC_MSG_CHECKING(for __progname)
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AC_LINK_IFELSE([AC_LANG_SOURCE(
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[
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#include <stdio.h>
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#include <stdlib.h>
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extern char *__progname;
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int main(void) {
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const char *cp = __progname;
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printf("%s\n", cp);
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exit(0);
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}
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])],
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[AC_DEFINE(HAVE___PROGNAME) AC_MSG_RESULT(yes)],
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AC_MSG_RESULT(no)
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)
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# Look for program_invocation_short_name.
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AC_MSG_CHECKING(for program_invocation_short_name)
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AC_LINK_IFELSE([AC_LANG_SOURCE(
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[
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#include <errno.h>
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#include <stdio.h>
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#include <stdlib.h>
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int main(void) {
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const char *cp = program_invocation_short_name;
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printf("%s\n", cp);
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exit(0);
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}
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])],
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[AC_DEFINE(HAVE_PROGRAM_INVOCATION_SHORT_NAME) AC_MSG_RESULT(yes)],
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AC_MSG_RESULT(no)
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)
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# Look for prctl(PR_SET_NAME).
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AC_CHECK_DECL(
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PR_SET_NAME,
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AC_DEFINE(HAVE_PR_SET_NAME),
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,
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|
[#include <sys/prctl.h>]
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)
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# Look for fcntl(F_CLOSEM).
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|
AC_CHECK_DECL(
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F_CLOSEM,
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|
AC_DEFINE(HAVE_FCNTL_CLOSEM),
|
|
,
|
|
[#include <fcntl.h>]
|
|
)
|
|
|
|
# Look for /proc/$$.
|
|
AC_MSG_CHECKING(for /proc/\$\$)
|
|
if test -d /proc/$$; then
|
|
AC_DEFINE(HAVE_PROC_PID)
|
|
AC_MSG_RESULT(yes)
|
|
else
|
|
AC_MSG_RESULT(no)
|
|
fi
|
|
|
|
# Man page defaults to mdoc.
|
|
MANFORMAT=mdoc
|
|
AC_SUBST(MANFORMAT)
|
|
|
|
# Figure out the platform.
|
|
AC_MSG_CHECKING(platform)
|
|
case "$host_os" in
|
|
*aix*)
|
|
AC_MSG_RESULT(aix)
|
|
PLATFORM=aix
|
|
;;
|
|
*darwin*)
|
|
AC_MSG_RESULT(darwin)
|
|
AC_DEFINE(BROKEN_CMSG_FIRSTHDR)
|
|
PLATFORM=darwin
|
|
;;
|
|
*dragonfly*)
|
|
AC_MSG_RESULT(dragonfly)
|
|
PLATFORM=dragonfly
|
|
;;
|
|
*linux*)
|
|
AC_MSG_RESULT(linux)
|
|
PLATFORM=linux
|
|
;;
|
|
*freebsd*)
|
|
AC_MSG_RESULT(freebsd)
|
|
PLATFORM=freebsd
|
|
;;
|
|
*netbsd*)
|
|
AC_MSG_RESULT(netbsd)
|
|
PLATFORM=netbsd
|
|
;;
|
|
*openbsd*)
|
|
AC_MSG_RESULT(openbsd)
|
|
PLATFORM=openbsd
|
|
;;
|
|
*sunos*)
|
|
AC_MSG_RESULT(sunos)
|
|
PLATFORM=sunos
|
|
;;
|
|
*solaris*)
|
|
AC_MSG_RESULT(sunos)
|
|
PLATFORM=sunos
|
|
MANFORMAT=man
|
|
;;
|
|
*hpux*)
|
|
AC_MSG_RESULT(hpux)
|
|
PLATFORM=hpux
|
|
;;
|
|
*cygwin*)
|
|
AC_MSG_RESULT(cygwin)
|
|
PLATFORM=cygwin
|
|
;;
|
|
*)
|
|
AC_MSG_RESULT(unknown)
|
|
PLATFORM=unknown
|
|
;;
|
|
esac
|
|
AC_SUBST(PLATFORM)
|
|
AM_CONDITIONAL(IS_AIX, test "x$PLATFORM" = xaix)
|
|
AM_CONDITIONAL(IS_DARWIN, test "x$PLATFORM" = xdarwin)
|
|
AM_CONDITIONAL(IS_DRAGONFLY, test "x$PLATFORM" = xdragonfly)
|
|
AM_CONDITIONAL(IS_LINUX, test "x$PLATFORM" = xlinux)
|
|
AM_CONDITIONAL(IS_FREEBSD, test "x$PLATFORM" = xfreebsd)
|
|
AM_CONDITIONAL(IS_NETBSD, test "x$PLATFORM" = xnetbsd)
|
|
AM_CONDITIONAL(IS_OPENBSD, test "x$PLATFORM" = xopenbsd)
|
|
AM_CONDITIONAL(IS_SUNOS, test "x$PLATFORM" = xsunos)
|
|
AM_CONDITIONAL(IS_HPUX, test "x$PLATFORM" = xhpux)
|
|
AM_CONDITIONAL(IS_UNKNOWN, test "x$PLATFORM" = xunknown)
|
|
|
|
# Save our CFLAGS/CPPFLAGS/LDFLAGS for the Makefile and restore the old user
|
|
# variables.
|
|
AC_SUBST(AM_CPPFLAGS)
|
|
CPPFLAGS="$SAVED_CPPFLAGS"
|
|
AC_SUBST(AM_CFLAGS)
|
|
CFLAGS="$SAVED_CFLAGS"
|
|
AC_SUBST(AM_LDFLAGS)
|
|
LDFLAGS="$SAVED_LDFLAGS"
|
|
|
|
# autoconf should create a Makefile.
|
|
AC_OUTPUT(Makefile)
|