diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index d5318ec..76b560d 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -13,6 +13,9 @@ set(CMAKE_AUTOMOC ON)
 set(CMAKE_AUTOUIC ON)
 set(CMAKE_AUTORCC ON)
 
+set(CMAKE_CXX_FLAGS_DEBUG_INIT   "-Wall")       # Remove if your compiler
+set(CMAKE_CXX_FLAGS_RELEASE_INIT "-Wall")       # doesn't support the -Wall flag.
+
 find_package(Qt5Core         REQUIRED)
 find_package(Qt5Gui          REQUIRED)
 find_package(Qt5Widgets      REQUIRED)
diff --git a/src/QDetachTabWidget.h b/src/QDetachTabWidget.h
index af24909..ba8f30f 100644
--- a/src/QDetachTabWidget.h
+++ b/src/QDetachTabWidget.h
@@ -5,11 +5,11 @@
 
 struct QDetachTabInfo {
 
-    QDetachTabInfo(QString title, QWidget* widget, QWidget* placeholderWidget) : _title(title), _widget(widget), _placeholderWidget(placeholderWidget) {}
-
+    QString     _title;
     QWidget*    _widget;
     QWidget*    _placeholderWidget;
-    QString     _title;
+
+    QDetachTabInfo(QString title, QWidget* widget, QWidget* placeholderWidget) : _title(title), _widget(widget), _placeholderWidget(placeholderWidget) {}
 };
 
 
diff --git a/src/SeerArrayVisualizerWidget.cpp b/src/SeerArrayVisualizerWidget.cpp
index 0fde6d1..d48461a 100644
--- a/src/SeerArrayVisualizerWidget.cpp
+++ b/src/SeerArrayVisualizerWidget.cpp
@@ -113,27 +113,22 @@ QString SeerArrayVisualizerWidget::variableName () const {
 
 void SeerArrayVisualizerWidget::setVariableAddress (const QString& address) {
 
-    unsigned long offset = 0;
-    bool ok = false;
-
     if (address.startsWith("0x")) {
 
-        offset = address.toULong(&ok, 16);
+        bool ok = false;
+
+        address.toULong(&ok, 16);
 
         if (ok == true) {
             variableAddressLineEdit->setText(address);
         }else{
             variableAddressLineEdit->setText("not an address");
-            offset = 0;
         }
 
     }else{
         variableAddressLineEdit->setText("not an address");
-        offset = 0;
     }
 
-    //qDebug() << address << offset << ok;
-
     arrayTableWidget->setAddressOffset(0);
 }
 
diff --git a/src/SeerHighlighterSettings.cpp b/src/SeerHighlighterSettings.cpp
index b1dcb6e..51d7335 100644
--- a/src/SeerHighlighterSettings.cpp
+++ b/src/SeerHighlighterSettings.cpp
@@ -15,6 +15,8 @@ SeerHighlighterSettings::~SeerHighlighterSettings () {
 SeerHighlighterSettings& SeerHighlighterSettings::operator== (const SeerHighlighterSettings& rhs) {
 
     _formats = rhs._formats;
+
+    return *this;
 }
 
 QStringList SeerHighlighterSettings::keys () const {
diff --git a/src/SeerKeySettings.cpp b/src/SeerKeySettings.cpp
index 8034161..077ea99 100644
--- a/src/SeerKeySettings.cpp
+++ b/src/SeerKeySettings.cpp
@@ -15,6 +15,8 @@ SeerKeySettings::~SeerKeySettings () {
 SeerKeySettings& SeerKeySettings::operator== (const SeerKeySettings& rhs) {
 
     _keys = rhs._keys;
+
+    return *this;
 }
 
 QStringList SeerKeySettings::keys () const {
diff --git a/src/build/README.cmake b/src/build/README.cmake
index af3a068..58a0b47 100644
--- a/src/build/README.cmake
+++ b/src/build/README.cmake
@@ -1,9 +1,12 @@
-Notes for cmake.
+Notes for building Seer with cmake.
 
 % cd seer/src/build
-% cmake -DCMAKE_BUILD_TYPE=Debug ..
-% cmake -DCMAKE_BUILD_TYPE=Release ..
-% make clean
-% make
-% sudo make install
+% cmake -DCMAKE_BUILD_TYPE=Debug ..     # Debug release -g.
+% cmake -DCMAKE_BUILD_TYPE=Release ..   # Optimized release -O.
+% cmake -DCMAKE_CXX_FLAGS=-Wall ..      # With all compile warnings turned on.
+% make clean                            # Clean files.
+
+% make seer                             # Build Seer.
+
+% sudo make install                     # Install it.