6dbbe62310
building for ARM. git-svn-id: https://shellinabox.googlecode.com/svn/trunk@124 0da03de8-d603-11dd-86c2-0f8696b7b6f9
127 lines
5.2 KiB
Text
127 lines
5.2 KiB
Text
AC_PREREQ(2.57)
|
|
|
|
dnl This is the one location where the authoritative version number is stored
|
|
AC_INIT(shellinabox, 2.8, markus@shellinabox.com)
|
|
VCS_REVISION=124
|
|
AC_SUBST(VCS_REVISION)
|
|
AC_DEFINE_UNQUOTED(VCS_REVISION, "${VCS_REVISION}",
|
|
[Most recent revision number in the version control system])
|
|
|
|
dnl Set up autoconf/automake for building C libraries and binaries with GCC
|
|
CFLAGS="${CFLAGS:--Os}"
|
|
AM_INIT_AUTOMAKE
|
|
AM_CONFIG_HEADER(config.h)
|
|
AC_PROG_CC
|
|
AC_LANG_WERROR
|
|
AC_PROG_INSTALL
|
|
AC_PROG_LIBTOOL
|
|
AC_SUBST(LIBTOOL_DEPS)
|
|
AC_C_CONST
|
|
AC_PROG_GCC_TRADITIONAL
|
|
|
|
dnl Check for header files that do not exist on all platforms
|
|
AC_CHECK_HEADERS([libutil.h pthread.h pty.h sys/prctl.h sys/uio.h util.h \
|
|
utmp.h utmpx.h])
|
|
|
|
dnl Most systems require linking against libutil.so in order to get login_tty()
|
|
AC_CHECK_FUNCS(login_tty, [],
|
|
[AC_CHECK_LIB(util, login_tty,
|
|
[LIBS="-lutil $LIBS"
|
|
AC_DEFINE(HAVE_LOGIN_TTY)])])
|
|
|
|
dnl Use strlcat() instead of strncat() to avoid spurious warnings
|
|
AC_CHECK_FUNCS([strlcat])
|
|
|
|
dnl Prefer thread-safe functions, if available
|
|
AC_CHECK_FUNCS([getgrgid_r getgrnam_r getpwnam_r getpwuid_r openpty \
|
|
strcasestr ])
|
|
|
|
dnl We prefer ptsname_r(), but will settle for ptsname() if necessary
|
|
AC_TRY_LINK([#ifndef _XOPEN_SOURCE
|
|
#define _XOPEN_SOURCE
|
|
#endif
|
|
#ifndef _GNU_SOURCE
|
|
#define _GNU_SOURCE
|
|
#endif
|
|
#include <stdlib.h>],
|
|
[char buf[10]; ptsname_r(0, buf, sizeof(buf));],
|
|
[AC_DEFINE(HAVE_PTSNAME_R, 1,
|
|
Define to 1 if you have a re-entrant version of ptsname)])
|
|
|
|
dnl Apparently, some systems define sigwait() but fail to implement it
|
|
AC_TRY_LINK([#include <pthread.h>
|
|
#include <signal.h>],
|
|
[sigset_t s; int n; sigwait(&s, &n);],
|
|
[AC_DEFINE(HAVE_SIGWAIT, 1,
|
|
Define to 1 if you have a working sigwait)])
|
|
|
|
dnl We automatically detect SSL support, but allow users to disable it
|
|
AC_ARG_ENABLE(ssl,
|
|
[ --disable-ssl if available at built-time, support for SSL
|
|
connections will be enabled. It can still be
|
|
disabled at run-time, either on the daemon's
|
|
command line or if the operating system does not
|
|
have the OpenSSL libraries available.])
|
|
|
|
dnl We automatically detect PAM support, but allow users to disable it
|
|
AC_ARG_ENABLE(pam,
|
|
[ --disable-pam PAM support is necessary in order to authenticate
|
|
users for running programs other than their default
|
|
login shell.])
|
|
|
|
dnl We try to always use dlopen() instead of linking libraries dynamically, as
|
|
dnl this reduces the hard run-time dependencies that our binary has. But we
|
|
dnl allow users to disable this feature.
|
|
AC_ARG_ENABLE(runtime-loading,
|
|
[ --disable-runtime-loading ShellInABox will try to load the OpenSSL, and PAM
|
|
libraries at run-time, if it has been compiled with
|
|
support for these libraries, and if the operating
|
|
system supports dynamic loading of libraries. This
|
|
allows you to install the same binary on different
|
|
systems independent of whether they have OpenSSL
|
|
and PAM enabled. If you would rather directly link
|
|
these libraries into the binary, thus making them a
|
|
hard dependency, then disable runtime-loading.])
|
|
|
|
dnl Only test for OpenSSL headers, if not explicitly disabled
|
|
if test "x$enable_ssl" != xno; then
|
|
AC_CHECK_HEADERS([openssl/bio.h openssl/err.h openssl/ssl.h])
|
|
fi
|
|
|
|
dnl Only test for PAM headers, if not explicitly disabled
|
|
if test "x$enable_pam" != xno; then
|
|
AC_CHECK_HEADERS([security/pam_appl.h security/pam_client.h \
|
|
security/pam_misc.h ])
|
|
fi
|
|
|
|
dnl Only test for dlopen(), if not explicitly disabled. Add required libdl.so
|
|
dnl library if necessary. Also, if dlopen() is not available on this system,
|
|
dnl explicitly disable runtime loading.
|
|
if test "x$enable_runtime_loading" != xno; then
|
|
AC_CHECK_FUNCS(dlopen, [],
|
|
[AC_CHECK_LIB(dl, dlopen,
|
|
[LIBS="-ldl $LIBS"
|
|
AC_DEFINE(HAVE_DLOPEN)],
|
|
[enable_runtime_loading=no])])
|
|
fi
|
|
|
|
dnl If runtime loading has been disabled, add OpenSSL and PAM as hard
|
|
dnl dependencies.
|
|
if test "x$enable_runtime_loading" == xno; then
|
|
dnl Link against OpenSSL libraries, unless SSL support has been disabled
|
|
if test "x$enable_ssl" != xno; then
|
|
AC_CHECK_HEADER(openssl/bio.h,
|
|
[AC_CHECK_HEADER(openssl/err.h,
|
|
[AC_CHECK_HEADER(openssl/ssl.h, [LIBS="-lssl -lcrypto $LIBS"])])])
|
|
fi
|
|
|
|
dnl Link against PAM libraries, unless PAM support has been disabled
|
|
if test "x$enable_pam" != xno; then
|
|
AC_CHECK_HEADER(security/pam_appl.h, [LIBS="-lpam $LIBS"])
|
|
AC_CHECK_HEADER(security/pam_misc.h, [LIBS="-lpam_misc $LIBS"])
|
|
fi
|
|
fi
|
|
|
|
dnl Generate output files
|
|
AC_CONFIG_FILES([Makefile])
|
|
AC_OUTPUT
|