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Switch tmux to use autoconf and automake.
Although they suck, they suck less than the alternatives.
This commit is contained in:
Nicholas Marriott
305
configure.ac
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305
configure.ac
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# $Id: configure.ac,v 1.1 2010-12-31 22:12:33 nicm Exp $
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# Miscellaneous autofoo bullshit.
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AC_INIT(tmux, 1.5)
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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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# 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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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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# Is this a debug build?
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AC_ARG_ENABLE(debug,
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AC_HELP_STRING(--enable-debug, create a debug build),
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found_debug=yes,
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found_debug=no)
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AM_CONDITIONAL(IS_DEBUG, test "x$found_debug" = xyes)
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# Is this gcc?
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AM_CONDITIONAL(IS_GCC, test "x$GCC" = xyes)
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AC_MSG_CHECKING(for gcc that whines about -I)
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AC_EGREP_CPP(yes, [
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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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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(yes, [
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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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AM_CONDITIONAL(IS_SUNCC, test "x$found_suncc" = xyes)
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# Is this glibc?
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AC_MSG_CHECKING(for glibc)
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AC_EGREP_CPP(yes, [
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#include <features.h>
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#ifdef __GLIBC__
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yes
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#endif
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],
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found_glibc=yes,
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found_glibc=no)
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AM_CONDITIONAL(IS_GLIBC, test "x$found_glibc" = xyes)
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AC_MSG_RESULT($found_glibc)
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# Look for libevent.
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AC_SEARCH_LIBS(event_init, event)
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# Look for curses.
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AC_SEARCH_LIBS(setupterm, [terminfo curses ncurses])
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# Look for networking libraries.
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AC_SEARCH_LIBS([inet_ntoa], [nsl])
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AC_SEARCH_LIBS([socket], [socket])
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# Look for imsg in libutil. compat/imsg.c is linked by Makefile.am if missing.
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AC_SEARCH_LIBS(imsg_init, util, found_imsg_init=yes, found_imsg_init=no)
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if test "x$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_MSG_CHECKING(if system getopt should be avoided)
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if test "x$found_glibc" = xyes; then
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found_getopt=no
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AC_MSG_RESULT(yes)
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else
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AC_MSG_RESULT(no)
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AC_DEFINE(HAVE_GETOPT)
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fi
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fi
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AM_CONDITIONAL(NO_GETOPT, [test "x$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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bzero \
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setproctitle \
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sysconf \
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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([
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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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# Look for a suitable queue.h.
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AC_CHECK_DECL(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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AC_CHECK_DECL(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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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_COMPILE_IFELSE([
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extern char *__progname;
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int main(void) { const char *cp = __progname; }
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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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# Look for fcntl(F_CLOSEM).
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AC_CHECK_DECL(F_CLOSEM,
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AC_DEFINE(HAVE_FCNTL_CLOSEM), ,
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[#include <fcntl.h>])
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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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# Look for /proc/$$/fd.
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AC_MSG_CHECKING(for /proc/\$\$/fd)
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if test -d /proc/$$/fd; then
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AC_DEFINE(HAVE_DIRFD)
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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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*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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*linux*)
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AC_MSG_RESULT(linux)
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PLATFORM=linux
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;;
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*freebsd*|*dragonfly*)
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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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*)
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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_DARWIN, test "x$PLATFORM" = xdarwin)
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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$PLATFORM" = xsunos)
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AM_CONDITIONAL(IS_UNKNOWN, test "x$PLATFORM" = xunknown)
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# autoconf should create a Makefile. A shock!
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AC_OUTPUT(Makefile)
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