Fix x86 for Haiku and maybe others

BUILDING.md

@@ -142,6 +142,17 @@ Use QtCreator to build `./src/kristall.pro` with default settings.
     - `openssl_devel` (should be preinstalled)
 2. Use `make` to build the executable
 
+#### Haiku x86
+
+1. Install the following packages with `pkgman`:
+    - `qt5_x86`
+    - `qt5_x86_devel`
+    - `qt5_x86_tools`
+    - `libiconv_x86_devel`
+    - `openssl_x86_devel` (should be preinstalled)
+2. run `setarch x86`
+3. Use `make` to build the executable
+
 ## Manual Installation
 
 ### Unix / XDG

src/kristall.pro

@@ -34,6 +34,9 @@ QMAKE_CXXFLAGS += -Wno-unused-parameter -Werror=return-type
 QMAKE_CXXFLAGS += -std=c++17
 CONFIG += c++17
 
+# avoid x86 OOM errors
+CONFIG += resources_big
+
 win32-msvc {
     # message("Use windows/msvc build")
     QMAKE_CFLAGS -= -Wno-unused-parameter