Haiku: Make corelib compile on Haiku

Change-Id: I66bc492390eedd723ab7866d3c7a38539d708727
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@theqtcompany.com>

src/corelib/global/qglobal.cpp

@@ -2471,6 +2471,9 @@ QString QSysInfo::productType()
 #elif defined(Q_OS_DARWIN)
     return QStringLiteral("darwin");
 
+#elif defined(Q_OS_HAIKU)
+    return QStringLiteral("haiku");
+
 #elif defined(USE_ETC_OS_RELEASE) // Q_OS_UNIX
     QUnixOSVersion unixOsVersion;
     readEtcOsRelease(unixOsVersion);
@@ -2601,6 +2604,8 @@ QString QSysInfo::prettyProductName()
     return QLatin1String("Android ") + productVersion();
 #elif defined(Q_OS_BLACKBERRY)
     return QLatin1String("BlackBerry ") + productVersion();
+#elif defined(Q_OS_HAIKU)
+    return QLatin1String("Haiku ") + productVersion();
 #elif defined(Q_OS_UNIX)
 #  ifdef USE_ETC_OS_RELEASE
     QUnixOSVersion unixOsVersion;

src/corelib/global/qsystemdetection.h

@@ -75,6 +75,7 @@
      BSD4     - Any BSD 4.4 system
      UNIX     - Any UNIX BSD/SYSV system
      ANDROID  - Android platform
+     HAIKU    - Haiku
 
    The following operating systems have variants:
      LINUX    - both Q_OS_LINUX and Q_OS_ANDROID are defined when building for Android
@@ -169,6 +170,8 @@
 #  define Q_OS_INTEGRITY
 #elif defined(VXWORKS) /* there is no "real" VxWorks define - this has to be set in the mkspec! */
 #  define Q_OS_VXWORKS
+#elif defined(__HAIKU__)
+#  define Q_OS_HAIKU
 #elif defined(__MAKEDEPEND__)
 #else
 #  error "Qt has not been ported to this OS - see http://www.qt-project.org/"

src/corelib/io/qstorageinfo_unix.cpp

@@ -75,6 +75,9 @@
 #  if !defined(ST_RDONLY)
 #    define ST_RDONLY 1 // hack for missing define on Android
 #  endif
+#elif defined(Q_OS_HAIKU)
+#  define QT_STATFSBUF struct statvfs
+#  define QT_STATFS    ::statvfs
 #else
 #  if defined(QT_LARGEFILE_SUPPORT)
 #    define QT_STATFSBUF struct statvfs64

src/corelib/thread/qwaitcondition_unix.cpp

@@ -70,7 +70,7 @@ void qt_initialize_pthread_cond(pthread_cond_t *cond, const char *where)
     pthread_condattr_t condattr;
 
     pthread_condattr_init(&condattr);
-#if !defined(Q_OS_MAC) && !defined(Q_OS_ANDROID) && (_POSIX_MONOTONIC_CLOCK-0 >= 0)
+#if !defined(Q_OS_MAC) && !defined(Q_OS_ANDROID) && !defined(Q_OS_HAIKU) && (_POSIX_MONOTONIC_CLOCK-0 >= 0)
     if (QElapsedTimer::clockType() == QElapsedTimer::MonotonicClock)
         pthread_condattr_setclock(&condattr, CLOCK_MONOTONIC);
 #endif

src/corelib/tools/tools.pri

@@ -214,7 +214,7 @@ INCLUDEPATH += ../3rdparty/md5 \
                ../3rdparty/sha3
 
 # Note: libm should be present by default becaue this is C++
-!macx-icc:!vxworks:unix:LIBS_PRIVATE += -lm
+!macx-icc:!vxworks:!haiku:unix:LIBS_PRIVATE += -lm
 
 TR_EXCLUDE += ../3rdparty/*