add a configure-time check for an IPC support

Merge-request: 1259
Reviewed-by: Harald Fernengel <[email protected]>

config.tests/unix/ipc_posix/ipc.cpp

@@ -0,0 +1,58 @@
+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation ([email protected])
+**
+** This file is part of the config.tests of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at [email protected].
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <sys/types.h>
+#include <sys/ipc.h>
+#include <sys/mman.h>
+#include <semaphore.h>
+#include <fcntl.h>
+
+int main(int, char **)
+{
+    sem_t *semaphore = sem_open("test", O_CREAT | O_EXCL, 0666, 0);
+    if (semaphore != SEM_FAILED)
+        sem_close(semaphore);
+
+    shm_open("test", O_RDWR | O_CREAT | O_EXCL, 0666);
+    shm_unlink("test");
+
+    return 0;
+}

config.tests/unix/ipc_posix/ipc_posix.pro

@@ -0,0 +1,3 @@
+SOURCES = ipc.cpp
+CONFIG -= qt dylib
+mac:CONFIG -= app_bundle

config.tests/unix/ipc_sysv/ipc.cpp

@@ -0,0 +1,59 @@
+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation ([email protected])
+**
+** This file is part of the config.tests of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at [email protected].
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <sys/types.h>
+#include <sys/ipc.h>
+#include <sys/sem.h>
+#include <sys/shm.h>
+#include <fcntl.h>
+
+int main(int, char **)
+{
+    key_t unix_key = ftok("test", 'Q');
+    int semaphore = semget(unix_key, 1, 0666 | IPC_CREAT | IPC_EXCL);
+    if (semaphore != -1)
+        semctl(semaphore, 0, IPC_RMID, 0);
+
+    shmget(unix_key, 0, 0666 | IPC_CREAT | IPC_EXCL);
+    shmctl(0, 0, static_cast<struct shmid_ds *>(0));
+
+    return 0;
+}

config.tests/unix/ipc_sysv/ipc_sysv.pro

@@ -0,0 +1,3 @@
+SOURCES = ipc.cpp
+CONFIG -= qt dylib
+mac:CONFIG -= app_bundle

configure

@@ -5112,6 +5112,19 @@ if [ "$XPLATFORM_SYMBIAN" = "yes" ]; then
     fi
 fi
 
+# check IPC support
+if ! "$unixtests/compile.test" "$XQMAKESPEC" "$QMAKE_CONFIG" $OPT_VERBOSE "$relpath" "$outpath" config.tests/unix/ipc_sysv "ipc_sysv" $L_FLAGS $I_FLAGS $l_FLAGS ; then
+    # SYSV IPC is not supported - check POSIX IPC
+    if "$unixtests/compile.test" "$XQMAKESPEC" "$QMAKE_CONFIG" $OPT_VERBOSE "$relpath" "$outpath" config.tests/unix/ipc_posix "ipc_posix" $L_FLAGS $I_FLAGS $l_FLAGS ; then
+        QCONFIG_FLAGS="$QCONFIG_FLAGS QT_POSIX_IPC"
+    else
+        QCONFIG_FLAGS="$QCONFIG_FLAGS QT_NO_SYSTEMSEMAPHORE QT_NO_SHAREDMEMORY"
+        if [ "$PLATFORM_QWS" = "yes" ]; then
+            QCONFIG_FLAGS="$QCONFIG_FLAGS QT_NO_SEMAPHORE QT_NO_QWS_MULTIPROCESS QT_NO_QWS_SHARE_FONTS"
+        fi
+    fi
+fi
+
 # detect zlib
 if [ "$CFG_ZLIB" = "no" ]; then
     # Note: Qt no longer support builds without zlib