Renamed configure.in to configure.ac

1 files changed, 546 insertions, 0 deletions

diff --git a/tcpd/configure.ac b/tcpd/configure.ac
new file mode 100644
index 0000000..3077c02
--- /dev/null
+++ b/tcpd/configure.ac
@@ -0,0 +1,546 @@
+dnl Process this file with autoconf to produce a configure script.
+dnl
+dnl Copyright 1998 - 2008 Double Precision, Inc.  See COPYING for
+dnl distribution information.
+
+AC_INIT(couriertcpd, 0.11, [courier-users@lists.sourceforge.net])
+
+>confdefs.h  # Kill PACKAGE_ macros
+
+AC_CONFIG_SRCDIR(tcpd.c)
+AC_CONFIG_AUX_DIR(../..)
+AM_INIT_AUTOMAKE([foreign no-define])
+LPATH="$PATH:/usr/local/bin"
+AM_CONFIG_HEADER(config.h)
+
+dnl Checks for programs.
+AC_PROG_CC
+AC_PROG_INSTALL
+AC_PROG_LN_S
+AC_LIBTOOL_DLOPEN
+AM_PROG_LIBTOOL
+
+SPATH="$LPATH:/usr/kerberos/bin"
+
+AC_PATH_PROG(SED, sed, sed, $SPATH)
+if test "$SED" = "sed"
+then
+	AC_MSG_ERROR(sed not found.)
+fi
+AC_SUBST(SED)
+
+AC_PATH_PROG(SETENV, env, env, $SPATH)
+if test "$SETENV" = "env"
+then
+	AC_MSG_ERROR(env not found.)
+fi
+AC_SUBST(SETENV)
+
+AC_PATH_PROG(PKGCONFIG, pkg-config, [], $SPATH)
+
+if test x$GCC = xyes
+then
+	CFLAGS="-Wall $CFLAGS"
+fi
+if test x$GXX = xyes
+then
+	CXXFLAGS="-Wall $CXXFLAGS"
+fi
+
+CFLAGS="-I$srcdir/.. -I.. -I$srcdir/../.. -I../.. $CFLAGS"
+CXXFLAGS="-I$srcdir/.. -I.. -I$srcdir/../.. -I../.. $CXXFLAGS"
+
+AC_PATH_PROG(KRB5CONFIG, krb5-config, krb5-config, $SPATH)
+
+#
+#
+# We may need libdl for later, not just shared check.
+#
+
+saveLIBS="$LIBS"
+AC_CHECK_LIB(dl, dlopen, [ LIBDL="-ldl" ])
+LIBS="$saveLIBS"
+
+dnl Determine whether transport libraries are created static or shared
+
+AC_SUBST(LIBDL)
+
+. ../../dbobj.config
+if test "$dblibrary" != ""
+then
+	dblibrary="../../$dblibrary"
+fi
+AC_SUBST(dblibrary)
+
+COURIERTCPD=""
+if test "$dblibrary" != ""
+then
+	COURIERTCPD=couriertcpd$EXEEXT
+fi
+
+AC_SUBST(COURIERTCPD)
+
+LIBS="$saveLIBS"
+
+USENSL=no
+saveLIBS="$LIBS"
+AC_CHECK_LIB(socket,socket,result=yes,result=no)
+if test $result = yes; then
+        NETLIBS="-lsocket"
+else
+        AC_CHECK_LIB(socket,socket,result=yes,result=no,-lnsl)
+        if test $result = yes; then
+                NETLIBS = "-lsocket -lnsl"
+                USENSL=yes
+        else
+                AC_CHECK_LIB(socket,connect,result=yes,result=no)
+                if test $result = yes; then
+                        NETLIBS="-lsocket"
+                else
+                        AC_CHECK_LIB(socket,connect,result=yes,result=no,-lnsl)
+                        if test $result = yes; then
+                                NETLIBS="-lsocket -lnsl"
+                                USENSL=yes
+                        fi
+                fi
+        fi
+fi
+
+if test $USENSL != yes; then
+	LIBS="$LIBS $NETLIBS"
+	AC_TRY_LINK_FUNC(inet_addr, [ : ],
+	[
+	        AC_CHECK_LIB(nsl,inet_addr,result=yes,result=no)
+	        if test $result = yes; then
+	                NETLIBS="$NETLIBS -lnsl"
+	        fi
+	])
+fi
+
+AC_SUBST(NETLIBS)
+
+dnl Checks for header files.
+AC_HEADER_STDC
+AC_HEADER_DIRENT
+AC_CHECK_HEADERS(sys/types.h sys/time.h sys/stat.h sys/wait.h sys/select.h unistd.h fcntl.h sys/ioctl.h)
+AC_HEADER_TIME
+
+dnl Checks for typedefs, structures, and compiler characteristics.
+
+AC_PID_T
+AC_TYPE_UID_T
+AC_TYPE_SIGNAL
+AC_SYS_LARGEFILE
+
+AC_CACHE_CHECK([for socklen_t],
+	tcpd_cv_hassocklen_t,
+ 
+AC_COMPILE_IFELSE([
+AC_LANG_SOURCE( [
+#include <sys/types.h>
+#include <sys/socket.h>
+ 
+socklen_t sl_t;
+],[
+	accept(0, 0, &sl_t);
+])],
+	tcpd_cv_hassocklen_t=yes,
+	tcpd_cv_hassocklen_t=no)
+)
+ 
+socklen_t="int"
+ 
+if test $tcpd_cv_hassocklen_t = yes
+then
+	:
+else
+	AC_DEFINE_UNQUOTED(socklen_t, int, [ Default definition for socklen_t ])
+fi
+
+dnl Checks for library functions.
+
+AC_CHECK_FUNCS(setpgrp setpgid)
+AC_CHECK_FUNC(setpgrp,
+	[
+	AC_FUNC_SETPGRP
+	]
+)
+
+AC_ARG_WITH(tcpddns, [  --without-tcpddns       Use resolver instead of DNS lookups in couriertcpd ], tcpddns="$withval", tcpddns="Y")
+
+case "$tcpddns" in
+n*|N*|0*)
+	;;
+*)
+	AC_DEFINE_UNQUOTED(TCPDUSERFC1035,1,
+	[ Whether to use librfc1035.a to resolve via DNS ])
+	;;
+esac
+
+saveLIBS="$LIBS"
+LIBS="$LIBS $NETLIBS"
+AC_CHECK_FUNC(socketpair, have_socketpair=yes, have_socketpair=no)
+
+AC_ARG_WITH(spipe,
+[  --with-spipe=socketpair Create stream pipes as BSD socketpairs
+  --with-spipe=streams    Create stream pipes as SVR3 streams
+  --with-spipe=pipe       Create stream pipes as SVR4 streams],
+spipe="$withval", spipe="")
+
+AC_CACHE_CHECK([for SVR3 stream pipes],tcpd_cv_svr3,
+AC_TRY_COMPILE( [
+#include <sys/types.h>
+#include <sys/stream.h>
+#include <stropts.h>
+#include <fcntl.h>
+],[ {
+        struct strfdinsert      ins;
+        queue_t                 *pointer;
+	int i=I_FDINSERT;
+}
+], tcpd_cv_svr3=yes, tcpd_cv_svr3=no))
+
+AC_CACHE_CHECK( [for SVR4 stream pipes],tcpd_cv_svr4,
+
+AC_TRY_RUN(
+[
+
+changequote(<<,>>)
+
+#include	<stdio.h>
+#include	<unistd.h>
+
+int main(int argc, char **argv)
+{
+int	pipefd[2];
+char	c;
+
+	c=0;
+	if (pipe(pipefd) == 0 && write(pipefd[0], &c, 1) == 1 &&
+		read(pipefd[1], &c, 1) == 1 &&
+		write(pipefd[1], &c, 1) == 1 &&
+		read(pipefd[0], &c, 1) == 1)
+	{
+		exit (0);
+	}
+	exit (1);
+	return (1);
+}
+changequote([,])
+]
+,
+tcpd_cv_svr4=yes,
+tcpd_cv_svr4=no,
+tcpd_cv_svr4="n/a")
+
+)
+
+LIBS="$saveLIBS"
+
+if test "$spipe" = ""
+then
+	if test "$have_socketpair" = "yes"
+	then
+		spipe="socketpair"
+	fi
+fi
+
+if test "$spipe" = ""
+then
+	if test "$tcpd_cv_svr3" = "yes"
+	then
+		spipe="streams"
+	fi
+fi
+
+if test "$spipe" = ""
+then
+	if test "$tcpd_cv_svr4" = "yes"
+	then
+		spipe="pipe"
+	fi
+fi
+
+case "$spipe" in
+socketpair)
+		AC_DEFINE_UNQUOTED(HAVE_SPIPE_SOCKETPAIR, 1,
+		[ Whether to use socketpair() to create a bidirectional pipe ])
+		;;
+streams)
+		AC_DEFINE_UNQUOTED(HAVE_SPIPE_SVR3, 1,
+		[ Whether to use streams to create a vidirectional pipe ])
+		;;
+pipe)
+		AC_DEFINE_UNQUOTED(HAVE_SPIPE_SVR4, 1,
+		[ Whether pipe() is SvR4-style that's a bidirectional pipe ])
+		;;
+*)
+	AC_MSG_ERROR(Cannot determine stream pipe support.  If cross-compiling use --with-spipe=pipe to get SVR4 stream pipes.)
+		;;
+esac
+
+
+AC_MSG_CHECKING([for stream pipes])
+AC_MSG_RESULT($spipe)
+
+AC_CHECK_HEADER(openssl/ssl.h,have_ssl_h=yes,have_ssl_h=no)
+AC_CHECK_LIB(ssl, SSL_load_error_strings, have_ssl=yes, have_ssl=no,
+	-lcrypto)
+
+if test "$have_ssl" = "yes"
+then
+	if test "$have_ssl_h" = "no"
+	then
+		AC_MSG_WARN(OpenSSL runtime libraries installed but the header files are missing)
+		AC_MSG_WARN(disabling OpenSSL support.)
+		have_ssl="no"
+	fi
+fi
+
+KRBFLAGS=""
+if test "$have_ssl" = "yes"
+then
+	LIBCOURIERTLSOPENSSL=libcouriertlsopenssl.la
+
+	if test "$KRB5CONFIG" != "krb5-config"
+	then
+		AC_MSG_CHECKING(whether OpenSSL requires Kerberos)
+		AC_TRY_COMPILE( [
+#include <openssl/ssl.h>
+], [ int x=1; ], :,
+		 [
+			KRBFLAGS=`$KRB5CONFIG --cflags`
+			CFLAGS="$CFLAGS $KRBFLAGS"
+
+
+			AC_TRY_COMPILE( [
+#include <openssl/ssl.h>
+], [ int x=1; ], [ KRBLIBS="`$KRB5CONFIG --libs`" ],
+   AC_MSG_ERROR(OpenSSL test build failed) )
+			]
+)
+
+		if test "$KRBLIBS" = ""
+		then
+			AC_MSG_RESULT(no)
+		else
+			AC_MSG_RESULT(yes)
+		fi
+	fi
+	openssldep="-lssl -lcrypto $KRBLIBS $NETLIBS ../random128/librandom128.la"
+fi
+
+# GnuTLS
+
+have_gnutls=no
+
+AC_MSG_CHECKING([for GnuTLS])
+
+if test "$PKGCONFIG" != ""
+then
+	if $PKGCONFIG --modversion gnutls >/dev/null 2>&1
+	then
+		save_CPPFLAGS="$CPPFLAGS"
+		CPPFLAGS="$CPPFLAGS `$PKGCONFIG --cflags gnutls`"
+
+		AC_TRY_COMPILE( [
+#include <gnutls/gnutls.h>
+],
+	[
+	],
+		[ have_gnutls=yes
+		],
+
+		[
+			have_gnutls="no: \#include <gnutls/gnutls.h> failed"
+		])
+
+		CPPFLAGS="$save_CPPFLAGS"
+	else
+		have_gnutls="no: pkgconfig --modversion gnutls failed"
+	fi
+else
+	have_gnutls="no: pkg-config not found"
+fi
+
+AC_MSG_RESULT($have_gnutls)
+
+if test "$have_gnutls" = "yes"
+then
+	LIBCOURIERTLSGNUTLS="libcouriertlsgnutls.la"
+	CPPFLAGS="$CPPFLAGS `$PKGCONFIG --cflags gnutls`"
+	have_gnutls3=no
+	PKG_CHECK_EXISTS([gnutls >= 3.0], [have_gnutls3=yes])
+	if test "x$have_gnutls3" = "xno"
+	then
+		gnutlsdep="`$PKGCONFIG --libs gnutls` -lgnutls-extra"
+	else
+		gnutlsdep="`$PKGCONFIG --libs gnutls`"
+		AC_DEFINE([HAVE_GNUTLS3], [1], [Use GnuTLS3])
+	fi
+fi
+
+AC_CHECK_SIZEOF(gnutls_transport_ptr_t,0, [
+AC_INCLUDES_DEFAULT
+#include <gnutls/gnutls.h>
+])
+
+AC_CHECK_SIZEOF(long,0)
+
+cast_to_ptr_t=""
+
+if test "$gnutls_transport_ptr_t_SIZEOF" = "$long_SIZEOF"
+then
+	if test "$gnutls_transport_ptr_t_SIZEOF" != 0
+	then
+		cast_to_ptr_t="(long)"
+	fi
+fi
+
+AC_DEFINE_UNQUOTED(GNUTLS_CAST_PTR_T, $cast_to_ptr_t,[How to cast a file descriptor to gnutls_transport_ptr_t])
+
+echo "cppflags='$KRBFLAGS'" >couriertls.config
+
+AC_SUBST(openssldep)
+AC_SUBST(gnutlsdep)
+
+soxdep="`cat ../soxwrap/soxlibs.dep`"
+AC_SUBST(soxdep)
+
+
+# Choose GnuTLS or OpenSSL
+
+AC_ARG_WITH(gnutls, [ --with-gnutls     Use GnuTLS even if OpenSSL is available],
+		    [
+
+if test "$withval" = "yes"
+then
+	if test "$have_gnutls" = "yes"
+	then
+		have_ssl="no"
+	else
+		AC_MSG_ERROR(Cannot find GnuTLS)
+	fi
+else
+	have_gnutls="no"
+fi
+],
+	[
+
+	if test "$have_ssl" = "yes"
+	then
+		have_gnutls="no"
+	fi
+])
+
+if test "$have_gnutls" = "yes"
+then
+	TLSLIBRARY="$LIBCOURIERTLSGNUTLS"
+	STARTTLS=couriertls$EXEEXT
+	BUILDLIBCOURIERTLS=libcouriertls.la
+
+	CRYPTLIBS=""
+
+	AC_MSG_CHECKING([for libgcrypt])
+
+	save_LIBS="$LIBS"
+	LIBS="$LIBS -lgcrypt"
+	AC_TRY_LINK( [
+#include <gcrypt.h>
+
+], [
+	gcry_cipher_open(NULL, 0, 0, 0);
+], [
+	AC_MSG_RESULT(yes)
+	AC_DEFINE_UNQUOTED(HAVE_GCRYPT, 1,
+				[ Whether libgcrypt is installed ])
+	CRYPTLIBS="$CRYPTLIBS -lgcrypt"
+], [
+AC_MSG_RESULT(no)
+])
+
+	AC_MSG_CHECKING([for libgpg-error])
+	LIBS="$LIBS -lgpg-error"
+	AC_TRY_LINK( [
+#include <gcrypt.h>
+
+], [
+	gpg_err_code_from_errno(0);
+], [
+	AC_MSG_RESULT(yes)
+	CRYPTLIBS="$CRYPTLIBS -lgpg-error"
+], [
+AC_MSG_RESULT(no)
+])
+
+	LIBS="$save_LIBS"
+
+	echo "ssllib=gnutls" >>couriertls.config
+else
+	if test "$have_ssl" = "yes"
+	then
+
+		save_LIBS="$LIBS"
+		LIBS="-lcrypto $KRBLIBS $LIBS"
+
+		AC_MSG_CHECKING(for OpenSSL 0.9.7)
+		AC_TRY_LINK( [
+#include <openssl/evp.h>
+#include <openssl/rand.h>
+],
+[
+EVP_CIPHER_CTX ctx;
+char dummy[1];
+unsigned char a[1], b[1];
+
+EVP_CIPHER_CTX_init(&ctx);
+EVP_EncryptInit_ex(&ctx, EVP_des_cbc(), NULL, a, b);
+RAND_pseudo_bytes(dummy, 1);
+
+], [
+   CRYPTLIBS="-lcrypto $KRBLIBS"
+   AC_MSG_RESULT(yes)
+   AC_DEFINE_UNQUOTED(HAVE_OPENSSL097, 1,
+				       [ Whether OpenSSL 0.9.7 is installed ])
+], [
+   AC_MSG_RESULT(no)
+]
+)
+
+		LIBS="$save_LIBS"
+
+
+		TLSLIBRARY="$LIBCOURIERTLSOPENSSL"
+		STARTTLS=couriertls$EXEEXT
+		BUILDLIBCOURIERTLS=libcouriertls.la
+		echo "ssllib=openssl" >>couriertls.config
+	fi
+fi
+echo "couriertls=$STARTTLS" >>couriertls.config
+echo "cryptlibs=\"`echo $CRYPTLIBS`\"" >>couriertls.config
+
+# Do not built the other SSL library.  ... Except if I'm the maintainer
+
+if test ! -d "$srcdir/CVS"
+then
+	if test "$have_ssl" = "yes"
+	then
+		LIBCOURIERTLSGNUTLS=""
+		fi
+
+	if test "$have_gnutls" = "yes"
+	then
+		LIBCOURIERTLSOPENSSL=""
+	fi
+fi
+
+AC_SUBST(LIBCOURIERTLSOPENSSL)
+AC_SUBST(LIBCOURIERTLSGNUTLS)
+
+AC_SUBST(CRYPTLIBS)
+AC_SUBST(STARTTLS)
+AC_SUBST(BUILDLIBCOURIERTLS)
+AC_SUBST(TLSLIBRARY)
+
+AM_CONDITIONAL(HAVE_SGML, test -d ${srcdir}/../docbook)
+AC_OUTPUT(Makefile)