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configure.ac
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configure.ac
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dnl Process this file with autoconf to produce a configure script.
AC_INIT
AC_CONFIG_SRCDIR([access.c])
AC_CONFIG_HEADERS([config.h])
AC_CONFIG_MACRO_DIRS([m4])
LT_INIT
dnl AC_CMDSTDOUT_CPP(variable, command, headers)
AC_DEFUN([AC_CMDSTDOUT_CPP],
[cat > conftest.$ac_ext <<EOF
[#]line __oline__ "configure"
#include "confdefs.h"
[$3]
EOF
$1=`(eval "$ac_cpp conftest.$ac_ext") 2>&AS_MESSAGE_LOG_FD | $2`
rm -f conftest*
])
use_readline=yes
use_editline=no
AC_ARG_WITH(readline,
--with-readline Use GNU Readline, use_readline=yes)
AC_ARG_WITH(editline,
--with-editline Use the Editline library, use_editline=yes)
AC_CANONICAL_HOST
case "$host" in
*sun5* | *solaris2*)
AC_DEFINE(SOLARIS)
;;
esac
dnl saved_CFLAGS="$CFLAGS"
dnl Checks for programs.
AC_PROG_CC
AC_PROG_INSTALL
AC_PROG_MKDIR_P
AC_PROG_YACC
dnl CFLAGS="$CFLAGS $saved_CFLAGS"
dnl ----------------------------
dnl CHECK FOR /dev/fd FILESYSTEM
dnl ----------------------------
AC_CACHE_CHECK(for /dev/fd filesystem, es_cv_sys_dev_fd,
[test -d /dev/fd && es_cv_sys_dev_fd=yes || es_cv_sys_dev_fd=no])
if test $es_cv_sys_dev_fd = yes; then
AC_DEFINE(HAVE_DEV_FD)
fi
AC_SYS_INTERPRETER
if test "$ac_cv_sys_interpreter" = yes
then
AC_DEFINE(KERNEL_POUNDBANG)
fi
dnl Checks for libraries.
AC_CHECK_LIB(sun, getpwuid)
if test "$use_readline" = yes || test "$use_editline" = yes
then
AC_CHECK_LIB(ncurses, main,,
AC_CHECK_LIB(curses, main,,
AC_CHECK_LIB(terminfo, main)
AC_CHECK_LIB(termcap, main)
)
)
if test "$use_readline" = yes
then
AC_CHECK_LIB(readline, readline)
elif test "$use_editline" = yes
then
AC_CHECK_LIB(edit, readline)
fi
fi
dnl Checks for header files.
AC_HEADER_DIRENT
m4_warn([obsolete],
[The preprocessor macro `STDC_HEADERS' is obsolete.
Except in unusual embedded environments, you can safely include all
ISO C90 headers unconditionally.])dnl
# Autoupdate added the next two lines to ensure that your configure
# script's behavior did not change. They are probably safe to remove.
AC_CHECK_INCLUDES_DEFAULT
AC_PROG_EGREP
AC_HEADER_SYS_WAIT
AC_CHECK_HEADERS(fcntl.h limits.h sys/ioctl.h sys/time.h unistd.h memory.h stdarg.h sys/cdefs.h)
dnl Checks for typedefs, structures, and compiler characteristics.
AC_C_CONST
AC_TYPE_UID_T
AC_TYPE_SIZE_T
dnl Checks for library functions.
AC_TYPE_GETGROUPS
AC_PROG_GCC_TRADITIONAL
AC_FUNC_MMAP
m4_warn([obsolete],
[your code may safely assume C89 semantics that RETSIGTYPE is void.
Remove this warning and the `AC_CACHE_CHECK' when you adjust the code.])dnl
AC_CACHE_CHECK([return type of signal handlers],[ac_cv_type_signal],[AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM([#include <sys/types.h>
#include <signal.h>
],
[return *(signal (0, 0)) (0) == 1;])],
[ac_cv_type_signal=int],
[ac_cv_type_signal=void])])
AC_DEFINE_UNQUOTED([RETSIGTYPE],[$ac_cv_type_signal],[Define as the return type of signal handlers
(`int' or `void').])
if test "$ac_cv_type_signal" = void
then
AC_DEFINE(VOID_SIGNALS)
fi
AC_CHECK_FUNCS(strerror strtol lstat setrlimit sigrelse sighold sigaction \
sysconf setsid sigsetjmp)
AC_CACHE_CHECK(for an abused getenv, es_cv_abused_getenv,
AC_RUN_IFELSE([AC_LANG_SOURCE([[
changequote(,)
char *foo = 0;
char *foov[] = { "-a", "-bfoo", "bar" };
int fooc = (sizeof(foov) / sizeof(foov[0]));
int getenv() { return *foo; }
int main() { while (-1 != getopt(fooc, foov, "ab:")); exit(0); }
changequote([,])
]])],[es_cv_abused_getenv=no],[es_cv_abused_getenv=yes
AC_DEFINE(ABUSED_GETENV)],[]))
if test "$es_cv_abused_getenv" = yes
then
rm -f core conftest.core
fi
dnl Check to see if you can assign to a va_list
AC_CACHE_CHECK(whether assignment to va_list ok?, es_cv_assign_va_list,
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#ifndef HAVE_STDARG_H
choke me
#else
#include <stdarg.h>
#endif]], [[va_list first, second; first = second; return 0;]])],[es_cv_assign_va_list=yes],[es_cv_assign_va_list=no]))
if test "$es_cv_assign_va_list" = no
then
AC_DEFINE(NO_VA_LIST_ASSIGN)
fi
dnl check for a u_quad_t or something like that
AC_CACHE_CHECK(for rlimit type ..., es_cv_rlimit_t,
AC_CMDSTDOUT_CPP(es_cv_rlimit_t,
grep rlim_cur | sed -e 's/rlim_cur.*//' -e 's/^ //g' -e 's/^ //g' -e q,
[#ifdef HAVE_SETRLIMIT
# include <sys/resource.h>
#endif],long))
AC_CACHE_CHECK(for files to extract signal information from,
es_cv_sigfiles,
AC_CMDSTDOUT_CPP(es_cv_sigfiles,
[changequote(,)
egrep '^#[ ]+1[ ]+' | sed 's/.*"\(.*\)".*/\1/' |sort -u |
grep '^/' |tr '\012' ' '
changequote([,])],
[#include <signal.h>], /usr/include/signal.h))
AC_SUBST(SIGFILES, $es_cv_sigfiles)
AC_DEFINE_UNQUOTED(LIMIT_T, $es_cv_rlimit_t)
AC_CONFIG_FILES([Makefile])
AC_OUTPUT