mirror of
https://github.com/tmate-io/tmate.git
synced 2024-11-12 19:25:08 +01:00
482 lines
11 KiB
Plaintext
482 lines
11 KiB
Plaintext
# $Id$
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# Miscellaneous autofoo bullshit.
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AC_INIT(tmux, 1.8)
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AC_CONFIG_AUX_DIR(etc)
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AM_INIT_AUTOMAKE([foreign])
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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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# 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_INSTALL
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# Check for various headers. Alternatives included from compat.h.
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AC_CHECK_HEADERS(
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[ \
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bitstring.h \
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curses.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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ncurses.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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term.h \
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util.h \
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]
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)
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# Is this a debug build?
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found_debug=yes
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AC_ARG_ENABLE(
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debug,
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AC_HELP_STRING(--enable-debug, create a debug build),
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found_debug=$enable_debug
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)
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AM_CONDITIONAL(IS_DEBUG, test "x$found_debug" = xyes)
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# Is this a static build?
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AC_ARG_ENABLE(
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static,
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AC_HELP_STRING(--enable-static, create a static build),
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found_static=$enable_static
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)
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if test "x$found_static" = xyes; then
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LDFLAGS="$LDFLAGS -static"
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fi
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# Is this gcc?
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AM_CONDITIONAL(IS_GCC, test "x$GCC" = xyes)
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AC_MSG_CHECKING(for gcc that whines about -I)
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AC_EGREP_CPP(
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yes,
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[
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#if __GNUC__ > 3
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yes
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#endif
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],
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found_gcc4=yes,
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found_gcc4=no
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)
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AM_CONDITIONAL(IS_GCC4, test "x$found_gcc4" = xyes)
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AC_MSG_RESULT($found_gcc4)
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# Is this Sun CC?
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AC_EGREP_CPP(
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yes,
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[
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#ifdef __SUNPRO_C
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yes
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#endif
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],
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found_suncc=yes,
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found_suncc=no
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)
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AM_CONDITIONAL(IS_SUNCC, test "x$found_suncc" = xyes)
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# Is this glibc?
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AC_MSG_CHECKING(for glibc)
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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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found_glibc=yes,
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found_glibc=no
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)
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AM_CONDITIONAL(IS_GLIBC, test "x$found_glibc" = xyes)
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AC_MSG_RESULT($found_glibc)
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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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CPPFLAGS="$LIBEVENT_CFLAGS $CPPFLAGS"
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LIBS="$LIBEVENT_LIBS $LIBS"
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found_libevent=yes
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],
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[
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AC_SEARCH_LIBS(
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event_init,
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[event event-1.4 event2],
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found_libevent=yes,
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found_libevent=no
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)
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]
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)
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if test "x$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 curses.
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AC_SEARCH_LIBS(
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setupterm,
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[terminfo curses ncurses],
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found_curses=yes,
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found_curses=no
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)
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if test "x$found_curses" = xno; then
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AC_MSG_ERROR("curses not found")
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fi
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# Check for b64_ntop.
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AC_MSG_CHECKING(for b64_ntop)
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AC_TRY_LINK(
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[
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#include <sys/types.h>
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#include <netinet/in.h>
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#include <resolv.h>
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],
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[b64_ntop(NULL, 0, NULL, 0);],
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found_b64_ntop=yes,
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found_b64_ntop=no
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)
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if test "x$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$found_b64_ntop" = xyes; then
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AC_DEFINE(HAVE_B64_NTOP)
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AC_MSG_RESULT(yes)
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fi
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AM_CONDITIONAL(NO_B64_NTOP, [test "x$found_b64_ntop" = xno])
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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 imsg in libutil. compat/imsg.c is linked by Makefile.am if missing.
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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$found_imsg_init" = xyes; then
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AC_DEFINE(HAVE_IMSG)
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fi
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AM_CONDITIONAL(NO_IMSG, [test "x$found_imsg_init" = xno])
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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$found_forkpty" = xyes; then
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AC_DEFINE(HAVE_FORKPTY)
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fi
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AM_CONDITIONAL(NO_FORKPTY, [test "x$found_forkpty" = xno])
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# Look for closefrom, compat/closefrom.c used if missing.
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AC_CHECK_FUNC(closefrom, found_closefrom=yes, found_closefrom=no)
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if test "x$found_closefrom" = xyes; then
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AC_DEFINE(HAVE_CLOSEFROM)
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fi
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AM_CONDITIONAL(NO_CLOSEFROM, [test "x$found_closefrom" = xno])
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# Look for daemon, compat/daemon.c used if missing.
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AC_CHECK_FUNC(daemon, found_daemon=yes, found_daemon=no)
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if test "x$found_daemon" = xyes; then
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AC_DEFINE(HAVE_DAEMON)
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fi
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AM_CONDITIONAL(NO_DAEMON, [test "x$found_daemon" = xno])
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# Look for setenv, compat/setenv.c used if missing.
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AC_CHECK_FUNC(setenv, found_setenv=yes, found_setenv=no)
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if test "x$found_setenv" = xyes; then
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AC_DEFINE(HAVE_SETENV)
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fi
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AM_CONDITIONAL(NO_SETENV, [test "x$found_setenv" = xno])
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# Look for strlcpy, compat/strlcpy.c used if missing.
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AC_CHECK_FUNC(strlcpy, found_strlcpy=yes, found_strlcpy=no)
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if test "x$found_strlcpy" = xyes; then
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AC_DEFINE(HAVE_STRLCPY)
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fi
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AM_CONDITIONAL(NO_STRLCPY, [test "x$found_strlcpy" = xno])
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# Look for strlcat, compat/strlcat.c used if missing.
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AC_CHECK_FUNC(strlcat, found_strlcat=yes, found_strlcat=no)
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if test "x$found_strlcat" = xyes; then
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AC_DEFINE(HAVE_STRLCAT)
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fi
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AM_CONDITIONAL(NO_STRLCAT, [test "x$found_strlcat" = xno])
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# Look for asprintf, compat/asprintf.c used if missing.
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AC_CHECK_FUNC(asprintf, found_asprintf=yes, found_asprintf=no)
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if test "x$found_asprintf" = xyes; then
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AC_DEFINE(HAVE_ASPRINTF)
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fi
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AM_CONDITIONAL(NO_ASPRINTF, [test "x$found_asprintf" = xno])
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# Look for fgetln, compat/fgetln.c used if missing.
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AC_CHECK_FUNC(fgetln, found_fgetln=yes, found_fgetln=no)
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if test "x$found_fgetln" = xyes; then
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AC_DEFINE(HAVE_FGETLN)
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fi
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AM_CONDITIONAL(NO_FGETLN, [test "x$found_fgetln" = xno])
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# Look for strcasestr, compat/strcasestr.c used if missing.
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AC_CHECK_FUNC(strcasestr, found_strcasestr=yes, found_strcasestr=no)
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if test "x$found_strcasestr" = xyes; then
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AC_DEFINE(HAVE_STRCASESTR)
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fi
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AM_CONDITIONAL(NO_STRCASESTR, [test "x$found_strcasestr" = xno])
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# Look for strsep, compat/strsep.c used if missing.
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AC_CHECK_FUNC(strsep, found_strsep=yes, found_strsep=no)
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if test "x$found_strsep" = xyes; then
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AC_DEFINE(HAVE_STRSEP)
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fi
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AM_CONDITIONAL(NO_STRSEP, [test "x$found_strsep" = xno])
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# Look for strtonum, compat/strtonum.c used if missing.
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AC_CHECK_FUNC(strtonum, found_strtonum=yes, found_strtonum=no)
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if test "x$found_strtonum" = xyes; then
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AC_DEFINE(HAVE_STRTONUM)
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fi
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AM_CONDITIONAL(NO_STRTONUM, [test "x$found_strtonum" = xno])
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# Look for strnvis, compat/{vis,unvis}.c used if missing.
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AC_CHECK_FUNC(strnvis, found_strnvis=yes, found_strnvis=no)
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if test "x$found_strnvis" = xyes; then
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AC_DEFINE(HAVE_VIS)
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fi
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AM_CONDITIONAL(NO_VIS, [test "x$found_strnvis" = xno])
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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$found_getopt" != xno; then
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AC_CHECK_DECLS(
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[optarg, optind, optreset],
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,
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found_getopt=no,
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[
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#include <unistd.h>
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]
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)
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if test "x$found_getopt" != xno; then
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AC_MSG_CHECKING(if system getopt should be avoided)
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if test "x$found_glibc" = xyes; then
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found_getopt=no
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AC_MSG_RESULT(yes)
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else
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AC_MSG_RESULT(no)
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AC_DEFINE(HAVE_GETOPT)
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fi
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fi
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fi
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AM_CONDITIONAL(NO_GETOPT, [test "x$found_getopt" = xno])
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# Check for some functions that are replaced or omitted.
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AC_CHECK_FUNCS(
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[ \
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bzero \
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dirfd \
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setproctitle \
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sysconf \
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]
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)
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# Check for BSD-style integer types.
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AC_MSG_CHECKING(for BSD-style unsigned types)
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AC_COMPILE_IFELSE([AC_LANG_SOURCE(
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[
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#include <sys/types.h>
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#ifdef HAVE_STDINT_H
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#include <stdint.h>
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#else
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#include <inttypes.h>
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#endif
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int main(void)
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{ u_int8_t u8; u_int16_t u16; u_int32_t u32; u_int64_t u64; }
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])],
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[AC_DEFINE(HAVE_BSD_TYPES) AC_MSG_RESULT(yes)],
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AC_MSG_RESULT(no)
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)
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# Look for a suitable queue.h.
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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 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),
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,
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[#include <fcntl.h>]
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)
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# Look for /proc/$$.
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AC_MSG_CHECKING(for /proc/\$\$)
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if test -d /proc/$$; then
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AC_DEFINE(HAVE_PROC_PID)
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AC_MSG_RESULT(yes)
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else
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AC_MSG_RESULT(no)
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fi
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# Figure out the platform for osdep-*.c and forkpty-*.c.
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AC_MSG_CHECKING(platform)
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case "$host_os" in
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*aix*)
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AC_MSG_RESULT(aix)
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PLATFORM=aix
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;;
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*darwin*)
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AC_MSG_RESULT(darwin)
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AC_DEFINE(BROKEN_CMSG_FIRSTHDR)
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PLATFORM=darwin
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;;
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*dragonfly*)
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AC_MSG_RESULT(dragonfly)
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PLATFORM=dragonfly
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;;
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*linux*)
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AC_MSG_RESULT(linux)
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PLATFORM=linux
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;;
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*freebsd*)
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AC_MSG_RESULT(freebsd)
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PLATFORM=freebsd
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;;
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*netbsd*)
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AC_MSG_RESULT(netbsd)
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PLATFORM=netbsd
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;;
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*openbsd*)
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AC_MSG_RESULT(openbsd)
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PLATFORM=openbsd
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;;
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*sunos*)
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AC_MSG_RESULT(sunos)
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PLATFORM=sunos
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;;
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*solaris*)
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AC_MSG_RESULT(sunos)
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PLATFORM=sunos
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;;
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*hpux*)
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AC_MSG_RESULT(hpux)
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PLATFORM=hpux
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;;
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*)
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AC_MSG_RESULT(unknown)
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PLATFORM=unknown
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;;
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esac
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AC_SUBST(PLATFORM)
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AM_CONDITIONAL(IS_AIX, test "x$PLATFORM" = xaix)
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AM_CONDITIONAL(IS_DARWIN, test "x$PLATFORM" = xdarwin)
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AM_CONDITIONAL(IS_DRAGONFLY, test "x$PLATFORM" = xdragonfly)
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AM_CONDITIONAL(IS_LINUX, test "x$PLATFORM" = xlinux)
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AM_CONDITIONAL(IS_FREEBSD, test "x$PLATFORM" = xfreebsd)
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AM_CONDITIONAL(IS_NETBSD, test "x$PLATFORM" = xnetbsd)
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AM_CONDITIONAL(IS_OPENBSD, test "x$PLATFORM" = xopenbsd)
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AM_CONDITIONAL(IS_SUNOS, test "x$PLATFORM" = xsunos)
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AM_CONDITIONAL(IS_HPUX, test "x$PLATFORM" = xhpux)
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AM_CONDITIONAL(IS_UNKNOWN, test "x$PLATFORM" = xunknown)
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# autoconf should create a Makefile. A shock!
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AC_OUTPUT(Makefile)
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