diff --git a/sleepyhead/Graphs/gGraphView.cpp b/sleepyhead/Graphs/gGraphView.cpp
index 72789842..a0a3df71 100644
--- a/sleepyhead/Graphs/gGraphView.cpp
+++ b/sleepyhead/Graphs/gGraphView.cpp
@@ -1011,7 +1011,7 @@ void gGraphView::updateScale()
 
 void gGraphView::resizeEvent(QResizeEvent *e)
 {
-#if QT_VERSION >= QT_VERSION_CHECK(5,4,0)
+#if QT_VERSION >= QT_VERSION_CHECK(5,4,0) && !defined(BROKEN_OPENGL_BUILD)
     // This ques a needed redraw event..
     QOpenGLWidget::resizeEvent(e);
 #endif
diff --git a/sleepyhead/main.cpp b/sleepyhead/main.cpp
index 75af6027..8955b6b3 100644
--- a/sleepyhead/main.cpp
+++ b/sleepyhead/main.cpp
@@ -149,11 +149,17 @@ int main(int argc, char *argv[])
     ////////////////////////////////////////////////////////////////////////////////////////////
     // OpenGL Detection
     ////////////////////////////////////////////////////////////////////////////////////////////
-    float glversion = getOpenGLVersion();
+    float glversion = 0.0;
+#ifndef NO_OPENGL_BUILD
+    glversion = getOpenGLVersion();
+#endif
 
     bool opengl2supported = glversion >= 2.0;
     bool bad_graphics = !opengl2supported;
-    bool intel_graphics = getOpenGLVersionString().contains("INTEL", Qt::CaseInsensitive);
+    bool intel_graphics = false;
+#ifndef NO_OPENGL_BUILD
+    getOpenGLVersionString().contains("INTEL", Qt::CaseInsensitive);
+#endif
 
 //#if defined(Q_OS_WIN)
 //    bool angle_supported = getGraphicsEngine().contains(CSTR_GFX_ANGLE, Qt::CaseInsensitive) && (QSysInfo::windowsVersion() >= QSysInfo::WV_VISTA);
diff --git a/sleepyhead/mainwindow.cpp b/sleepyhead/mainwindow.cpp
index 4a1bd824..228ccd5c 100644
--- a/sleepyhead/mainwindow.cpp
+++ b/sleepyhead/mainwindow.cpp
@@ -782,6 +782,8 @@ void MainWindow::importCPAPBackups()
 
 # if defined(Q_OS_MAC) || defined(Q_OS_BSD4)
 #  include <sys/mount.h>
+# elif defined(Q_OS_HAIKU)
+// nothing needed
 # else
 #  include <sys/statfs.h>
 #  include <mntent.h>
@@ -809,7 +811,7 @@ QStringList getDriveList()
         }
     }
 
-#elif defined(Q_OS_UNIX)
+#elif defined(Q_OS_UNIX) && !defined(Q_OS_HAIKU)
     // Unix / Linux (except BSD)
     FILE *mtab = setmntent("/etc/mtab", "r");
     struct mntent *m;
@@ -833,7 +835,7 @@ QStringList getDriveList()
     }
     endmntent(mtab);
 
-#elif defined(Q_OS_WIN)
+#elif defined(Q_OS_WIN) || defined(Q_OS_HAIKU)
     QFileInfoList list = QDir::drives();
 
     for (int i = 0; i < list.size(); ++i) {
@@ -1588,7 +1590,7 @@ void MainWindow::DelayedScreenshot()
     h /= pr;
 #endif
 
-#if defined(Q_OS_WIN32) || defined(Q_OS_LINUX)
+#if defined(Q_OS_WIN32) || defined(Q_OS_LINUX) || defined(Q_OS_HAIKU)
      //QRect rec = QApplication::desktop()->screenGeometry();
 
      // grab the whole screen
diff --git a/sleepyhead/sleepyhead.pro b/sleepyhead/sleepyhead.pro
index fe6abbab..22921641 100644
--- a/sleepyhead/sleepyhead.pro
+++ b/sleepyhead/sleepyhead.pro
@@ -18,6 +18,10 @@ greaterThan(QT_MAJOR_VERSION,4) {
 contains(DEFINES, BrokenGL) {
     message("Building with QWidget gGraphView")
     DEFINES += BROKEN_OPENGL_BUILD
+} else:contains(DEFINES, NoGL) {
+    message("Building with QWidget gGraphView (No GL at all)")
+    DEFINES += BROKEN_OPENGL_BUILD
+    DEFINES += NO_OPENGL_BUILD
 } else {
     message("Building with QGLWidget gGraphView")
 }
@@ -39,7 +43,7 @@ CONFIG += rtti
 #}
 
 TARGET = SleepyHead
-unix:!macx {
+unix:!macx:!haiku {
     TARGET.path=/usr/bin
 }
 
@@ -64,7 +68,7 @@ exists(../.git):{
 DEFINES += TEST_BUILD
 
 
-unix:!macx {
+unix:!macx:!haiku {
     LIBS        += -lX11 -lz -lGLU
     DEFINES         += _TTY_POSIX_
 }
@@ -76,6 +80,11 @@ macx {
   ICON              = icons/iconfile.icns
 }
 
+haiku {
+    LIBS        += -lz -lGLU
+    DEFINES         += _TTY_POSIX_
+}
+
 win32 {
     DEFINES          += WINVER=0x0501 # needed for mingw to pull in appropriate dbt business...probably a better way to do this
     RC_FILE          += win_icon.rc
diff --git a/sleepyhead/version.h b/sleepyhead/version.h
index ec9d2ec1..66c327f7 100644
--- a/sleepyhead/version.h
+++ b/sleepyhead/version.h
@@ -34,6 +34,8 @@ const QString PlatformString = "MacOSX";
 const QString PlatformString = "Win32";
 #elif defined(Q_OS_LINUX)
 const QString PlatformString = "Linux";
+#elif defined(Q_OS_HAIKU)
+const QString PlatformString = "Haiku";
 #endif
 
 #endif // VERSION_H