Added PKGBUILD for release (not debug) building.

PKGBUILD-release

@@ -0,0 +1,37 @@
+# Author: mosra <mosra@centrum.cz>
+pkgname=magnum
+pkgver=dev_release
+pkgrel=1
+pkgdesc="OpenGL 3 graphics engine"
+arch=('i686' 'x86_64')
+url="https://github.com/mosra/magnum"
+license=('LGPLv3')
+depends=('corrade' 'glew')
+makedepends=('cmake' 'qt')
+provides=('magnum-git')
+
+build() {
+    mkdir -p "$startdir/build"
+    cd "$startdir/build/"
+
+    if [ "$CXX" = clang++ ] ; then
+        newcxxflags=$(echo $CXXFLAGS | sed s/--param=ssp-buffer-size=4//g)
+        export CXXFLAGS="$newcxxflags"
+    fi
+
+    cmake .. \
+        -DCMAKE_BUILD_TYPE=Release \
+        -DCMAKE_INSTALL_PREFIX=/usr \
+        -DBUILD_TESTS=TRUE
+    make
+}
+
+check() {
+    cd "$startdir/build"
+    ctest
+}
+
+package() {
+    cd "$startdir/build"
+    make DESTDIR="$pkgdir/" install
+}