configure.in

rxvt经典的linux下的终端.小巧实用

[AC_TRY_RUN([
main()
{
    exit(0);
    (void) XOpenDisplay("foobar");
}], rxvt_cv_R=yes, rxvt_cv_R=no, rxvt_cv_R=no)])             
  if test x$rxvt_cv_R != xyes; then
    LIBS="$ac_save_LIBS $X_LIBS $X_EXTRA_LIBS -lX11"
  fi
fi

AC_CACHE_CHECK([for XPointer], rxvt_cv_xpointer,
[AC_TRY_COMPILE([#include <X11/Xlib.h>], [XPointer dummy;],
rxvt_cv_xpointer=yes, rxvt_cv_xpointer=no)])
if test x$rxvt_cv_xpointer = xyes; then
  AC_DEFINE(HAVE_XPOINTER, 1, Define if you have XPointer typedef)
fi
LIBS=$ac_save_LIBS
CFLAGS=$ac_save_CFLAGS


AC_C_CONST
AC_C_INLINE

dnl> AC_HEADER_STDC	 dnl# skip this test, Sun always fails anyhow.

dnl# --------------------------------------------------------------------------
dnl# CHECKING FOR MISSING TYPEDEFS
dnl# --------------------------------------------------------------------------
dnl# Missing typedefs and replacements
AC_TYPE_MODE_T
dnl> AC_CHECK_TYPE(umode_t, int)
dnl> AC_CHECK_TYPE(off_t, long)
AC_TYPE_PID_T
AC_TYPE_UID_T


AC_CHECK_SIZEOF(char, 1)
AC_CHECK_SIZEOF(short, 2)
AC_CHECK_SIZEOF(int, 4)
AC_CHECK_SIZEOF(long, 4)
AC_CHECK_SIZEOF(long long, 8)
AC_CHECK_SIZEOF(int *, 4)

dnl# see usage below
AC_DEFUN(RXVT_CHECK_SIZE,
  [AC_CACHE_CHECK([for $2], $1,
    [AC_TRY_COMPILE([#include <sys/types.h>], $2 dummy;,
      [$1=yes],
      [dnl
if test $ac_cv_sizeof_char -ge $3; then
  $1="$4 char"
else
  if test $ac_cv_sizeof_short -ge $3; then
    $1="$4 short"
  else
    if test $ac_cv_sizeof_int -ge $3; then
      $1="$4 int"
    else
      if test $ac_cv_sizeof_long -ge $3; then
        $1="$4 long"
      else
        if test $ac_cv_sizeof_long_long -ge $3; then
          $1="$4 long long"
        else
          $1="$4 $5" # we _must_ have a (possibly wrong) default
        fi
      fi
    fi
  fi
fi])])]
if test x"$$1" != xyes; then
  $6="typedef $$1 $2;"
else
  if test x"$4" = x; then
    $6="/* typedef $5 $2; */"
  else
    $6="/* typedef $4 $5 $2; */"
  fi
fi dnl
)
dnl#
dnl# Look for types the system may know about anyway.
dnl#
RXVT_CHECK_SIZE(rxvt_cv_int16_t, int16_t, 2, , short, rxvt_int16_typedef)
AC_SUBST(rxvt_int16_typedef)
RXVT_CHECK_SIZE(rxvt_cv_u_int16_t, u_int16_t, 2, unsigned, short, rxvt_u_int16_typedef)
AC_SUBST(rxvt_u_int16_typedef)
RXVT_CHECK_SIZE(rxvt_cv_int32_t, int32_t, 4, , int, rxvt_int32_typedef)
AC_SUBST(rxvt_int32_typedef)
RXVT_CHECK_SIZE(rxvt_cv_u_int32_t, u_int32_t, 4, unsigned, int, rxvt_u_int32_typedef)
AC_SUBST(rxvt_u_int32_typedef)
RXVT_CHECK_SIZE(rxvt_cv_int64_t, int64_t, 8, , long long, rxvt_int64_typedef)
AC_SUBST(rxvt_int64_typedef)
RXVT_CHECK_SIZE(rxvt_cv_u_int64_t, u_int64_t, 8, unsigned, long long, rxvt_u_int64_typedef)
AC_SUBST(rxvt_u_int64_typedef)
dnl#
dnl# Now look for another we use
dnl#
if test $ac_cv_sizeof_int_p -eq 8; then
  rxvt_intp_define="#define intp_t int64_t"
  rxvt_u_intp_define="#define u_intp_t u_int64_t"
else
  if test $ac_cv_sizeof_int_p -eq 4; then
    rxvt_intp_define="#define intp_t int32_t"
    rxvt_u_intp_define="#define u_intp_t u_int32_t"
  else
    if test $ac_cv_sizeof_int_p -eq 2; then
      rxvt_intp_define="#define intp_t int16_t"
      rxvt_u_intp_define="#define u_intp_t u_int16_t"
    else
      rxvt_intp_define="#error set intp_t"
      rxvt_u_intp_define="#error set u_intp_t"
    fi
  fi
fi
AC_SUBST(rxvt_intp_define)
AC_SUBST(rxvt_u_intp_define)

dnl# --------------------------------------------------------------------------
dnl# CHECKING FOR LIBRARY FUNCTIONS
dnl# --------------------------------------------------------------------------
AC_TYPE_SIGNAL
dnl> AC_FUNC_VPRINTF

dnl# Note: On Ultrix, setsid() does weirdo stuff, disable it
case "$host_alias" in
    *ultrix) ac_cv_func_setsid='no' ;;
    *) break;;
esac

AC_CHECK_FUNCS( \
	atexit \
	revoke \
	unsetenv \
	setutent \
	seteuid \
	setreuid \
	setsid \
	setpgrp \
	setpgid \
	openpty \
	_getpty \
	grantpt \
	unlockpt \
	isastream \
	on_exit \
	nanosleep \
	updwtmp \
	ttyslot \
)
dnl# Note: On NetBSD, openpty() exists in libutil.  Don't pull it in

dnl# --------------------------------------------------------------------------
dnl# DO ALL UTMP AND WTMP CHECKING
dnl# --------------------------------------------------------------------------
dnl# check for host field in utmp structure

dnl# --------------------------------------------
AC_CHECK_HEADER(utmp.h,
[AC_CACHE_CHECK([for struct utmp], rxvt_cv_struct_utmp,
[AC_TRY_COMPILE([#include <sys/types.h>
#include <utmp.h>],
[struct utmp ut;],
rxvt_cv_struct_utmp=yes, rxvt_cv_struct_utmp=no)])
if test x$rxvt_cv_struct_utmp = xyes; then
  AC_DEFINE(HAVE_STRUCT_UTMP, 1, Define if utmp.h has struct utmp)
fi
]

AC_CACHE_CHECK(for ut_host in utmp struct, rxvt_cv_struct_utmp_host,
[AC_TRY_COMPILE([#include <sys/types.h>
#include <utmp.h>],
[struct utmp ut; ut.ut_host;],
rxvt_cv_struct_utmp_host=yes, rxvt_cv_struct_utmp_host=no)])
if test x$rxvt_cv_struct_utmp_host = xyes; then
  AC_DEFINE(HAVE_UTMP_HOST, 1, Define if struct utmp contains ut_host)
fi

AC_CACHE_CHECK(for ut_pid in utmp struct, rxvt_cv_struct_utmp_pid,
[AC_TRY_COMPILE([#include <sys/types.h>
#include <utmp.h>],
[struct utmp ut; ut.ut_pid;],
rxvt_cv_struct_utmp_pid=yes, rxvt_cv_struct_utmp_pid=no)])
if test x$rxvt_cv_struct_utmp_pid = xyes; then
  AC_DEFINE(HAVE_UTMP_PID, 1, Define if struct utmp contains ut_pid)
fi
) dnl# AC_CHECK_HEADER(utmp.h

dnl# --------------------------------------------

AC_CHECK_HEADER(utmpx.h,
[AC_CACHE_CHECK([for struct utmpx], rxvt_cv_struct_utmpx,
[AC_TRY_COMPILE([#include <sys/types.h>
#include <utmpx.h>],
[struct utmpx ut;],
rxvt_cv_struct_utmpx=yes, rxvt_cv_struct_utmpx=no)])
if test x$rxvt_cv_struct_utmpx = xyes; then
  AC_DEFINE(HAVE_STRUCT_UTMPX, 1, Define if utmpx.h has struct utmpx)
fi
]

AC_CACHE_CHECK(for host in utmpx struct, rxvt_cv_struct_utmpx_host,
[AC_TRY_COMPILE([#include <sys/types.h>
#include <utmpx.h>],
[struct utmpx utx; utx.ut_host;],
rxvt_cv_struct_utmpx_host=yes, rxvt_cv_struct_utmpx_host=no)])
if test x$rxvt_cv_struct_utmpx_host = xyes; then
  AC_DEFINE(HAVE_UTMPX_HOST, 1, Define if struct utmpx contains ut_host)
fi
) dnl# AC_CHECK_HEADER(utmpx.h


dnl# --------------------------------------------------------------------------
dnl# check for struct lastlog
AC_CACHE_CHECK(for struct lastlog, rxvt_cv_struct_lastlog,
[AC_TRY_COMPILE([#include <sys/types.h>
#include <utmp.h>
#ifdef HAVE_LASTLOG_H
#include <lastlog.h>
#endif
],
[struct lastlog ll;],
rxvt_cv_struct_lastlog=yes, rxvt_cv_struct_lastlog=no)])
if test x$rxvt_cv_struct_lastlog = xyes; then
  AC_DEFINE(HAVE_STRUCT_LASTLOG, 1, Define if utmp.h or lastlog.h has struct lastlog)
fi

dnl# check for struct lastlogx
AC_CACHE_CHECK(for struct lastlogx, rxvt_cv_struct_lastlogx,
[AC_TRY_COMPILE([#include <sys/types.h>
#include <utmpx.h>
#ifdef HAVE_LASTLOG_H
#include <lastlog.h>
#endif
],
[struct lastlogx ll;],
rxvt_cv_struct_lastlogx=yes, rxvt_cv_struct_lastlogx=no)])
if test x$rxvt_cv_struct_lastlogx = xyes; then
  AC_DEFINE(HAVE_STRUCT_LASTLOGX, 1, Define if utmpx.h or lastlog.h has struct lastlogx)
fi

dnl# --------------------------------------------------------------------------
dnl# FIND FILES
dnl# --------------------------------------------------------------------------

dnl# find utmp
AC_CACHE_CHECK(where utmp is located, rxvt_cv_path_utmp,
[AC_TRY_RUN([#include <stdio.h>
#include <sys/types.h>
#include <utmp.h>
#include <errno.h>
main()
{
    char **u, *utmplist[] = {
    "/var/run/utmp", "/var/adm/utmp", "/etc/utmp", "/usr/etc/utmp", "/usr/adm/utmp", NULL };
    FILE *a, *f=fopen("conftestval", "w");
    if (!f) exit(1);
#ifdef UTMP_FILE
    fprintf(f, "%s\n", UTMP_FILE);
    exit(0);
#endif
#ifdef _PATH_UTMP
    fprintf(f, "%s\n", _PATH_UTMP);
    exit(0);
#endif
    for (u = utmplist; *u; u++) {
	if ((a = fopen(*u, "r")) != NULL || errno == EACCES) {
	    fprintf(f, "%s\n", *u);
	    exit(0);
	}
    }
    exit(0);
}], rxvt_cv_path_utmp=`cat conftestval`, rxvt_cv_path_utmp=, dnl
  AC_MSG_WARN([Define RXVT_UTMP_FILE in config.h manually]))])
if test x$rxvt_cv_path_utmp != x; then
  AC_DEFINE_UNQUOTED(RXVT_UTMP_FILE, "$rxvt_cv_path_utmp", Define location of utmp)
fi

dnl# --------------------------------------------------------------------------

dnl# find utmpx - if a utmp file exists at the same location and is more than
dnl# a day newer, then dump the utmpx.  People leave lots of junk around.
AC_CACHE_CHECK(where utmpx is located, rxvt_cv_path_utmpx,
[AC_TRY_RUN([#include <stdio.h>
#include <sys/types.h>
#include <utmpx.h>
#include <errno.h>
#include <sys/stat.h>
#ifdef HAVE_STRING_H
#include <string.h>
#endif
main()
{
    char **u, *p, *utmplist[] = {
#ifdef UTMPX_FILE
	UTMPX_FILE,
#endif
#ifdef _PATH_UTMPX
	_PATH_UTMPX,
#endif
    "/var/adm/utmpx", "/etc/utmpx", NULL };
    FILE *a, *f=fopen("conftestval", "w");
    struct stat statu, statux;
    if (!f) exit(1);
    for (u = utmplist; *u; u++) {
	if ((a = fopen(*u, "r")) != NULL || errno == EACCES) {
	    if (stat(*u, &statux) < 0)
		continue;
	    p = strdup(*u);
	    p[strlen(p) - 1] = '\0';
	    if (stat(p, &statu) >= 0
		&& (statu.st_mtime - statux.st_mtime > 86400))
		continue;
	    fprintf(f, "%s\n", *u);
	    exit(0);
	}
    }
    exit(0);
}], rxvt_cv_path_utmpx=`cat conftestval`, rxvt_cv_path_utmpx=, dnl
  AC_MSG_WARN([Define RXVT_UTMPX_FILE in config.h manually]))])
if test x$rxvt_cv_path_utmpx != x; then
  AC_DEFINE_UNQUOTED(RXVT_UTMPX_FILE, "$rxvt_cv_path_utmpx", Define location of utmpx)
fi

dnl# --------------------------------------------------------------------------

dnl# find wtmp
AC_CACHE_CHECK(where wtmp is located, rxvt_cv_path_wtmp,
[AC_TRY_RUN([#include <stdio.h>
#include <sys/types.h>
#ifdef HAVE_UTMP_H
#include <utmp.h>
#endif
#include <errno.h>
main()
{
    char **w, *wtmplist[] = {
    "/var/log/wtmp", "/var/adm/wtmp", "/etc/wtmp", "/usr/etc/wtmp", "/usr/adm/wtmp", NULL }; 
    FILE *a, *f=fopen("conftestval", "w");
    if (!f) exit(1);
#ifdef WTMP_FILE
    fprintf(f, "%s\n", WTMP_FILE);
    exit(0);
#endif
#ifdef _PATH_WTMP
    fprintf(f, "%s\n", _PATH_WTMP);
    exit(0);
#endif
    for (w = wtmplist; *w; w++) {
	if ((a = fopen(*w, "r")) != NULL || errno == EACCES) {
	    fprintf(f, "%s\n", *w);
	    exit(0);
	}
    }
    exit(0);
}], rxvt_cv_path_wtmp=`cat conftestval`, rxvt_cv_path_wtmp=, dnl
  AC_MSG_WARN([Define RXVT_WTMP_FILE in config.h manually]))])
if test x$rxvt_cv_path_wtmp != x; then
  AC_DEFINE_UNQUOTED(RXVT_WTMP_FILE, "$rxvt_cv_path_wtmp", Define location of wtmp)
fi
dnl# --------------------------------------------------------------------------

dnl# find wtmpx
AC_CACHE_CHECK(where wtmpx is located, rxvt_cv_path_wtmpx,
[AC_TRY_RUN([#include <stdio.h>
#ifdef HAVE_UTMPX_H
#include <utmpx.h>
#endif
#include <errno.h>
main()
{
    char **w, *wtmplist[] = {
    "/var/log/wtmpx", "/var/adm/wtmpx", NULL }; 
    FILE *a, *f=fopen("conftestval", "w");
    if (!f) exit(1);
#ifdef WTMPX_FILE
    fprintf(f, "%s\n", WTMPX_FILE);
    exit(0);
#endif
#ifdef _PATH_WTMPX
    fprintf(f, "%s\n", _PATH_WTMPX);
    exit(0);
#endif
    for (w = wtmplist; *w; w++) {
	if ((a = fopen(*w, "r")) != NULL || errno == EACCES) {
	    fprintf(f, "%s\n", *w);
	    exit(0);
	}
    }
    exit(0);
}], rxvt_cv_path_wtmpx=`cat conftestval`, rxvt_cv_path_wtmpx=, dnl
  AC_MSG_WARN([Define RXVT_WTMPX_FILE in config.h manually]))])
if test x$rxvt_cv_path_wtmpx != x; then
  AC_DEFINE_UNQUOTED(RXVT_WTMPX_FILE, "$rxvt_cv_path_wtmpx", Define location of wtmpx)
fi
dnl# --------------------------------------------------------------------------

dnl# find lastlog
AC_CACHE_CHECK(where lastlog is located, rxvt_cv_path_lastlog,
[AC_TRY_RUN([#include <stdio.h>
#include <sys/types.h>
#ifdef HAVE_UTMPX_H
#include <utmpx.h>
#elif defined(HAVE_UTMP_H)
#include <utmp.h>
#endif
#ifdef HAVE_LASTLOG_H
#include <lastlog.h>
#endif
#include <errno.h>
main()
{
    char **w, *lastloglist[] = { "/var/log/lastlog", NULL };
    FILE *a, *f=fopen("conftestval", "w");
    if (!f) exit(1);
#ifdef LASTLOG_FILE
    fprintf(f, "%s\n", LASTLOG_FILE);
    exit(0);
#endif
#ifdef _PATH_LASTLOG
    fprintf(f, "%s\n", _PATH_LASTLOG);
    exit(0);
#endif
    for (w = lastloglist; *w; w++) {
	if ((a = fopen(*w, "r")) != NULL || errno == EACCES) {
	    fprintf(f, "%s\n", *w);
	    exit(0);
	}
    }
    exit(0);
}], rxvt_cv_path_lastlog=`cat conftestval`, rxvt_cv_path_lastlog=, dnl
  AC_MSG_WARN([Define RXVT_LASTLOG_FILE in config.h manually]))])
if test x$rxvt_cv_path_lastlog != x; then
  AC_DEFINE_UNQUOTED(RXVT_LASTLOG_FILE, "$rxvt_cv_path_lastlog", Define location of lastlog)
  if test -d "$rxvt_cv_path_lastlog"; then
    AC_DEFINE(LASTLOG_IS_DIR, 1, Define if lastlog is provided via a directory)
  fi
fi
dnl# --------------------------------------------------------------------------