Add experimental support for armCC on Linux

Reviewed by our Anttis

5 files changed, 144 insertions, 2 deletions

diff --git a/mkspecs/unsupported/linux-armcc/qmake.conf b/mkspecs/unsupported/linux-armcc/qmake.conf
new file mode 100644
index 0000000..77891c3
--- /dev/null
+++ b/mkspecs/unsupported/linux-armcc/qmake.conf
@@ -0,0 +1,32 @@
+#
+# qmake configuration for linux-armcc
+#
+
+MAKEFILE_GENERATOR      = UNIX
+TARGET_PLATFORM         = unix
+TEMPLATE                = app
+CONFIG                  += qt warn_on release incremental link_prl armcc_linker
+QT                      += core gui
+QMAKE_INCREMENTAL_STYLE = sublib
+
+include(../../common/linux.conf)
+include(../../common/armcc.conf)
+load(qt_config)
+
+# use armcc for linking since armlink doesn't understand the arm_linux_config_file option
+QMAKE_LINK		= armcc
+QMAKE_LINK_SHLIB	= armcc
+QMAKE_LINK_C		= armcc
+QMAKE_LINK_C_SHLIB	= armcc
+
+QMAKE_LFLAGS_SHLIB      += --apcs=/fpic --shared
+QMAKE_LFLAGS_PLUGIN     = $$QMAKE_LFLAGS_SHLIB
+
+QMAKE_LIBS              += libstdc++.so librt.so
+
+CONFIG -= rvct_linker
+
+QMAKE_CFLAGS            += --gnu --arm_linux --dllimport_runtime --thumb --cpu Cortex-A9 --arm_linux_config_file="$(HOME)/qt_rvct_config" --arm-linux-paths --apcs=/interwork --visibility_inlines_hidden --diag_suppress 1300,2523
+QMAKE_CXXFLAGS          += $$QMAKE_CFLAGS --cpp
+
+QMAKE_LFLAGS            += --diag_suppress 6331,6780,6439 --arm_linux_config_file="$(HOME)/qt_rvct_config" --arm-linux-paths
diff --git a/mkspecs/unsupported/linux-armcc/qplatformdefs.h b/mkspecs/unsupported/linux-armcc/qplatformdefs.h
new file mode 100644
index 0000000..a1ce6a1
--- /dev/null
+++ b/mkspecs/unsupported/linux-armcc/qplatformdefs.h
@@ -0,0 +1,100 @@
+/****************************************************************************
+**
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the qmake spec 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 qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QPLATFORMDEFS_H
+#define QPLATFORMDEFS_H
+
+// Get Qt defines/settings
+
+#include "qglobal.h"
+
+// Set any POSIX/XOPEN defines at the top of this file to turn on specific APIs
+
+// 1) need to reset default environment if _BSD_SOURCE is defined
+// 2) need to specify POSIX thread interfaces explicitly in glibc 2.0
+// 3) it seems older glibc need this to include the X/Open stuff
+#ifndef _GNU_SOURCE
+#  define _GNU_SOURCE
+#endif
+
+#include <unistd.h>
+
+
+// We are hot - unistd.h should have turned on the specific APIs we requested
+
+#include <features.h>
+#include <pthread.h>
+#include <dirent.h>
+#include <fcntl.h>
+#include <grp.h>
+#include <pwd.h>
+#include <signal.h>
+
+#include <sys/types.h>
+#include <sys/ioctl.h>
+#include <sys/ipc.h>
+#include <sys/time.h>
+#include <sys/shm.h>
+#include <sys/socket.h>
+#include <sys/stat.h>
+#include <sys/wait.h>
+#include <netinet/in.h>
+#ifndef QT_NO_IPV6IFNAME
+#include <net/if.h>
+#endif
+
+#define QT_USE_XOPEN_LFS_EXTENSIONS
+#include "../../common/posix/qplatformdefs.h"
+
+#undef QT_SOCKLEN_T
+
+#if defined(__GLIBC__) && (__GLIBC__ >= 2)
+#define QT_SOCKLEN_T            socklen_t
+#else
+#define QT_SOCKLEN_T            int
+#endif
+
+#if defined(_XOPEN_SOURCE) && (_XOPEN_SOURCE >= 500)
+#define QT_SNPRINTF		::snprintf
+#define QT_VSNPRINTF		::vsnprintf
+#endif
+
+#endif // QPLATFORMDEFS_H
diff --git a/qmake/generators/unix/unixmake.cpp b/qmake/generators/unix/unixmake.cpp
index 29d85f7..e659e62 100644
--- a/qmake/generators/unix/unixmake.cpp
+++ b/qmake/generators/unix/unixmake.cpp
@@ -148,6 +148,8 @@ UnixMakefileGenerator::init()
                 project->values("QMAKE_LFLAGS") += var("QMAKE_LFLAGS_RPATH") + libdirs[i];
             if (project->isActiveConfig("rvct_linker")) {
                 project->values("QMAKE_LIBDIR_FLAGS") += "--userlibpath " + escapeFilePath(libdirs[i]);
+            } else if (project->isActiveConfig("armcc_linker")) {
+                project->values("QMAKE_LIBDIR_FLAGS") += "-L--userlibpath=" + escapeFilePath(libdirs[i]);
             } else {
                 project->values("QMAKE_LIBDIR_FLAGS") += "-L" + escapeFilePath(libdirs[i]);
             }
@@ -486,7 +488,7 @@ UnixMakefileGenerator::findLibraries()
                 } else if(opt.startsWith("-l")) {
                     if (!project->isEmpty("QMAKE_RVCT_LINKSTYLE")) {
                         (*it) = opt.mid(2);
-                    } else if (project->isActiveConfig("rvct_linker")) {
+                    } else if (project->isActiveConfig("rvct_linker") || project->isActiveConfig("armcc_linker")) {
                         (*it) = "lib" + opt.mid(2) + ".so";
                     } else {
                         stub = opt.mid(2);
diff --git a/src/corelib/global/global.pri b/src/corelib/global/global.pri
index 8eae391..83caa96 100644
--- a/src/corelib/global/global.pri
+++ b/src/corelib/global/global.pri
@@ -23,7 +23,7 @@ INCLUDEPATH += $$QT_BUILD_TREE/src/corelib/global
 # Only used on platforms with CONFIG += precompile_header
 PRECOMPILED_HEADER = global/qt_pch.h
 
-linux*:!static:!symbian-armcc:!symbian-gcce {
+linux*:!static:!symbian-gcce:!*-armcc* {
    QMAKE_LFLAGS += -Wl,-e,qt_core_boilerplate
    prog=$$quote(if (/program interpreter: (.*)]/) { print $1; })
    DEFINES += ELF_INTERPRETER=\\\"$$system(readelf -l /bin/ls | perl -n -e \'$$prog\')\\\"
diff --git a/src/corelib/global/qglobal.h b/src/corelib/global/qglobal.h
index 2a41b9e..960fe6e 100644
--- a/src/corelib/global/qglobal.h
+++ b/src/corelib/global/qglobal.h
@@ -448,6 +448,9 @@ namespace QT_NAMESPACE {}
 #  if __TARGET_ARCH_ARM >= 6
 #    define QT_HAVE_ARMV6
 #  endif
+/* work-around for missing compiler intrinsics */
+#  define __is_empty(X) false
+#  define __is_pod(X) false
 #elif defined(__GNUC__)
 #  define Q_CC_GNU
 #  define Q_C_CALLBACKS
@@ -1199,6 +1202,11 @@ class QDataStream;
 
 #define QT_SUPPORTS(FEATURE) (!defined(QT_NO_##FEATURE))
 
+#if defined(Q_OS_LINUX) && defined(Q_CC_RVCT)
+#  define Q_DECL_EXPORT     __attribute__((visibility("default")))
+#  define Q_DECL_IMPORT     __attribute__((visibility("default")))
+#endif
+
 #ifndef Q_DECL_EXPORT
 #  if defined(Q_OS_WIN) || defined(Q_CC_NOKIAX86) || defined(Q_CC_RVCT)
 #    define Q_DECL_EXPORT __declspec(dllexport)