Merge branch 'sunweaver-pr/libnx-x11-autoreconf' into 3.6.x

Attributes GH PR #498: https://github.com/ArcticaProject/nx-libs/pull/498

2 files changed, 271 insertions, 0 deletions

diff --git a/m4/nx-macros.m4 b/m4/nx-macros.m4
index 06217f075..b40f628b0 100644
--- a/m4/nx-macros.m4
+++ b/m4/nx-macros.m4
@@ -249,6 +249,109 @@ fi
 AC_SUBST([BASE_]PREFIX[FLAGS])
 ]) # NX_COMPILER_FLAGS
 
+# NX_STRICT_OPTION
+# -----------------------
+#
+# Add configure option to enable strict compilation flags, such as treating
+# warnings as fatal errors.
+# If --enable-strict-compilation is passed to configure, adds strict flags to
+# $BASE_CFLAGS or $BASE_CXXFLAGS.
+#
+# Also exports $STRICT_CFLAGS for use in other tests or when strict compilation
+# is unconditionally desired.
+AC_DEFUN([NX_STRICT_OPTION], [
+AC_REQUIRE([NX_COMPILER_FLAGS])
+
+AC_ARG_ENABLE(strict-compilation,
+                          AS_HELP_STRING([--enable-strict-compilation],
+                          [Enable all warnings from compiler and make them errors (default: disabled)]),
+                          [STRICT_COMPILE=$enableval], [STRICT_COMPILE=no])
+
+AC_LANG_CASE(
+        [C], [
+                define([PREFIX], [C])
+        ],
+        [C++], [
+                define([PREFIX], [CXX])
+        ]
+)
+
+[STRICT_]PREFIX[FLAGS]=""
+NX_TESTSET_CFLAG([[STRICT_]PREFIX[FLAGS]], [-pedantic])
+NX_TESTSET_CFLAG([[STRICT_]PREFIX[FLAGS]], [-Werror], [-errwarn])
+
+# Earlier versions of gcc (eg: 4.2) support -Werror=attributes, but do not
+# activate it with -Werror, so we add it here explicitly.
+NX_TESTSET_CFLAG([[STRICT_]PREFIX[FLAGS]], [-Werror=attributes])
+
+if test "x$STRICT_COMPILE" = "xyes"; then
+    [BASE_]PREFIX[FLAGS]="$[BASE_]PREFIX[FLAGS] $[STRICT_]PREFIX[FLAGS]"
+fi
+AC_SUBST([STRICT_]PREFIX[FLAGS])
+AC_SUBST([BASE_]PREFIX[FLAGS])
+]) # NX_STRICT_OPTION
+
+# NX_DEFAULT_OPTIONS
+# --------------------
+#
+# Defines default options for X.Org-like modules.
+#
+AC_DEFUN([NX_DEFAULT_OPTIONS], [
+AC_REQUIRE([AC_PROG_INSTALL])
+NX_COMPILER_FLAGS
+NX_STRICT_OPTION
+m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])],
+    [AC_SUBST([AM_DEFAULT_VERBOSITY], [1])])
+]) # NX_DEFAULT_OPTIONS
+
+# NX_CHECK_MALLOC_ZERO
+# ----------------------
+# Minimum version: 1.0.0
+#
+# Defines {MALLOC,XMALLOC,XTMALLOC}_ZERO_CFLAGS appropriately if
+# malloc(0) returns NULL.  Packages should add one of these cflags to
+# their AM_CFLAGS (or other appropriate *_CFLAGS) to use them.
+AC_DEFUN([NX_CHECK_MALLOC_ZERO],[
+AC_ARG_ENABLE(malloc0returnsnull,
+        AS_HELP_STRING([--enable-malloc0returnsnull],
+                       [malloc(0) returns NULL (default: auto)]),
+        [MALLOC_ZERO_RETURNS_NULL=$enableval],
+        [MALLOC_ZERO_RETURNS_NULL=auto])
+
+AC_MSG_CHECKING([whether malloc(0) returns NULL])
+if test "x$MALLOC_ZERO_RETURNS_NULL" = xauto; then
+        AC_RUN_IFELSE([AC_LANG_PROGRAM([
+#include <stdlib.h>
+],[
+    char *m0, *r0, *c0, *p;
+    m0 = malloc(0);
+    p = malloc(10);
+    r0 = realloc(p,0);
+    c0 = calloc(0,10);
+    exit((m0 == 0 || r0 == 0 || c0 == 0) ? 0 : 1);
+])],
+                [MALLOC_ZERO_RETURNS_NULL=yes],
+                [MALLOC_ZERO_RETURNS_NULL=no],
+                [MALLOC_ZERO_RETURNS_NULL=yes])
+fi
+AC_MSG_RESULT([$MALLOC_ZERO_RETURNS_NULL])
+
+if test "x$MALLOC_ZERO_RETURNS_NULL" = xyes; then
+        MALLOC_ZERO_CFLAGS="-DMALLOC_0_RETURNS_NULL"
+        XMALLOC_ZERO_CFLAGS=$MALLOC_ZERO_CFLAGS
+        XTMALLOC_ZERO_CFLAGS="$MALLOC_ZERO_CFLAGS -DXTMALLOC_BC"
+else
+        MALLOC_ZERO_CFLAGS=""
+        XMALLOC_ZERO_CFLAGS=""
+        XTMALLOC_ZERO_CFLAGS=""
+fi
+
+AC_SUBST([MALLOC_ZERO_CFLAGS])
+AC_SUBST([XMALLOC_ZERO_CFLAGS])
+AC_SUBST([XTMALLOC_ZERO_CFLAGS])
+]) # NX_CHECK_MALLOC_ZERO
+
+
 dnl Check to see if we're running under Cygwin32.
 
 AC_DEFUN([NX_BUILD_ON_CYGWIN32],
diff --git a/m4/nx-xtrans.m4 b/m4/nx-xtrans.m4
new file mode 100644
index 000000000..1ac7b0e75
--- /dev/null
+++ b/m4/nx-xtrans.m4
@@ -0,0 +1,168 @@
+dnl
+dnl Copyright (c) 2005, Oracle and/or its affiliates. All rights reserved.
+dnl
+dnl Permission is hereby granted, free of charge, to any person obtaining a
+dnl copy of this software and associated documentation files (the "Software"),
+dnl to deal in the Software without restriction, including without limitation
+dnl the rights to use, copy, modify, merge, publish, distribute, sublicense,
+dnl and/or sell copies of the Software, and to permit persons to whom the
+dnl Software is furnished to do so, subject to the following conditions:
+dnl
+dnl The above copyright notice and this permission notice (including the next
+dnl paragraph) shall be included in all copies or substantial portions of the
+dnl Software.
+dnl
+dnl THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+dnl IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+dnl FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+dnl THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+dnl LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+dnl FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+dnl DEALINGS IN THE SOFTWARE.
+dnl
+
+# NX_XTRANS_TCP_FLAGS()
+# ------------------
+# Find needed libraries for TCP sockets, and check for IPv6 support
+AC_DEFUN([NX_XTRANS_TCP_FLAGS],[
+ # SVR4 hides these in libraries other than libc
+ AC_SEARCH_LIBS(socket, [socket])
+ AC_SEARCH_LIBS(gethostbyname, [nsl])
+ if test "$ac_cv_search_socket$ac_cv_search_gethostbyname" = "nono"; then
+   AC_CHECK_LIB([ws2_32],[main])
+ fi
+
+ # Needs to come after above checks for libsocket & libnsl for SVR4 systems
+ AC_ARG_ENABLE(ipv6,
+	AS_HELP_STRING([--enable-ipv6],[Enable IPv6 support]),
+	[IPV6CONN=$enableval],
+	[AC_CHECK_FUNC(getaddrinfo,[IPV6CONN=yes],[IPV6CONN=no])])
+ AC_MSG_CHECKING([if IPv6 support should be built])
+ if test "$IPV6CONN" = "yes"; then
+	AC_DEFINE(IPv6,1,[Support IPv6 for TCP connections])
+ fi
+ AC_MSG_RESULT($IPV6CONN)
+
+ # 4.3BSD-Reno added a new member to struct sockaddr_in
+ AC_CHECK_MEMBER([struct sockaddr_in.sin_len],
+	AC_DEFINE([BSD44SOCKETS],1,
+	    [Define to 1 if `struct sockaddr_in' has a `sin_len' member]), [], [
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+ ])
+
+ # POSIX.1g changed the type of pointer passed to getsockname/getpeername/etc.
+ AC_CHECK_TYPES([socklen_t], [], [], [
+AC_INCLUDES_DEFAULT
+#include <sys/socket.h>])
+
+ # XPG4v2/UNIX95 added msg_control - check to see if we need to define
+ # _XOPEN_SOURCE to get it (such as on Solaris)
+ AC_CHECK_MEMBER([struct msghdr.msg_control], [], [],
+                 [
+AC_INCLUDES_DEFAULT
+#include <sys/socket.h>
+                 ])
+ # First try for Solaris in C99 compliant mode, which requires XPG6/UNIX03
+ if test "x$ac_cv_member_struct_msghdr_msg_control" = xno; then
+     unset ac_cv_member_struct_msghdr_msg_control
+     AC_MSG_NOTICE([trying again with _XOPEN_SOURCE=600])
+     AC_CHECK_MEMBER([struct msghdr.msg_control],
+                     [AC_DEFINE([_XOPEN_SOURCE], [600],
+                       [Defined if needed to expose struct msghdr.msg_control])
+                     ], [], [
+#define _XOPEN_SOURCE 600
+AC_INCLUDES_DEFAULT
+#include <sys/socket.h>
+                     ])
+ fi
+ # If that didn't work, fall back to XPG5/UNIX98 with C89
+ if test "x$ac_cv_member_struct_msghdr_msg_control" = xno; then
+     unset ac_cv_member_struct_msghdr_msg_control
+     AC_MSG_NOTICE([trying again with _XOPEN_SOURCE=500])
+     AC_CHECK_MEMBER([struct msghdr.msg_control],
+                     [AC_DEFINE([_XOPEN_SOURCE], [500],
+                       [Defined if needed to expose struct msghdr.msg_control])
+                     ], [], [
+#define _XOPEN_SOURCE 500
+AC_INCLUDES_DEFAULT
+#include <sys/socket.h>
+                     ])
+ fi
+
+
+]) # NX_XTRANS_TCP_FLAGS
+
+# NX_XTRANS_CONNECTION_FLAGS()
+# -------------------------
+# Standard checks for which Xtrans transports to use by the Xorg packages
+# that use Xtrans functions
+AC_DEFUN([NX_XTRANS_CONNECTION_FLAGS],[
+ AC_REQUIRE([AC_CANONICAL_HOST])
+ [case $host_os in
+	mingw*)	unixdef="no"   ;;
+	*)	unixdef="yes"  ;;
+ esac]
+ AC_ARG_ENABLE(unix-transport,
+	AS_HELP_STRING([--enable-unix-transport],[Enable UNIX domain socket transport]),
+	[UNIXCONN=$enableval], [UNIXCONN=$unixdef])
+ AC_MSG_CHECKING([if Xtrans should support UNIX socket connections])
+ if test "$UNIXCONN" = "yes"; then
+	AC_DEFINE(UNIXCONN,1,[Support UNIX socket connections])
+ fi
+ AC_MSG_RESULT($UNIXCONN)
+ AC_ARG_ENABLE(tcp-transport,
+	AS_HELP_STRING([--enable-tcp-transport],[Enable TCP socket transport]),
+	[TCPCONN=$enableval], [TCPCONN=yes])
+ AC_MSG_CHECKING([if Xtrans should support TCP socket connections])
+ AC_MSG_RESULT($TCPCONN)
+ if test "$TCPCONN" = "yes"; then
+	AC_DEFINE(TCPCONN,1,[Support TCP socket connections])
+	NX_XTRANS_TCP_FLAGS
+ fi
+ AC_ARG_ENABLE(nxcomp-transport,
+	AS_HELP_STRING([--enable-nxcomp-transport],[Enable nxcomp mediated transport]),
+	[NXCOMPCONN=$enableval], [NXCOMPCONN=yes])
+ AC_MSG_CHECKING([if Xtrans should support nxcomp mediated connections])
+ AC_MSG_RESULT($NXCOMPCONN)
+ if test "$NXCOMPCONN" = "yes"; then
+	AC_DEFINE(NX_TRANS_SOCKET,1,[Support nxcomp mediated socket connections])
+	AC_DEFINE(NX_TRANS_EXIT,1,[Support nxcomp NX_TRANS_EXIT feature])
+	NX_XTRANS_TCP_FLAGS
+ fi
+
+]) # NX_XTRANS_CONNECTION_FLAGS
+
+
+# NX_XTRANS_SECURE_RPC_FLAGS()
+# -------------------------
+# Check for Secure RPC functions - must come after NX_XTRANS_TCP_FLAGS
+# so that any necessary networking libraries are already found
+AC_DEFUN([NX_XTRANS_SECURE_RPC_FLAGS],
+[AC_REQUIRE([NX_XTRANS_TCP_FLAGS])
+ AC_ARG_ENABLE(secure-rpc,
+	AS_HELP_STRING([--enable-secure-rpc],[Enable Secure RPC]),
+        [SECURE_RPC=$enableval], [SECURE_RPC="try"])
+
+ if test "x$SECURE_RPC" = "xyes" -o "x$SECURE_RPC" = "xtry" ; then
+	FOUND_SECURE_RPC="no"
+	AC_CHECK_FUNCS([authdes_seccreate authdes_create],
+			[FOUND_SECURE_RPC="yes"])
+	if test "x$FOUND_SECURE_RPC" = "xno" ; then
+		if test "x$SECURE_RPC" = "xyes" ; then
+	AC_MSG_ERROR([Secure RPC requested, but required functions not found])
+		fi
+		SECURE_RPC="no"
+	else
+		dnl FreeBSD keeps getsecretkey in librpcsvc
+		AC_SEARCH_LIBS(getsecretkey, [rpcsvc])
+		SECURE_RPC="yes"
+	fi
+ fi
+ AC_MSG_CHECKING([if Secure RPC authentication ("SUN-DES-1") should be supported])
+ if test "x$SECURE_RPC" = "xyes" ; then
+	AC_DEFINE(SECURE_RPC, 1, [Support Secure RPC ("SUN-DES-1") authentication for X11 clients])
+ fi
+ AC_MSG_RESULT($SECURE_RPC)
+]) # NX_XTRANS_SECURE_RPC_FLAGS