Build from source instruction

rawtherapee.md

@@ -0,0 +1,16 @@
+# RawTherapee
+
+- The packaged version is not compiled with multithreading enabled.
+    - Better compile it form source
+
+## Compile from Source
+- Clone repository <https://github.com/Beep6581/RawTherapee>
+- `mkdir build && cd build`
+- `cmake -DCMAKE_BUILD_TYPE="release" -DCACHE_NAME_SUFFIX="5-dev" -DPROC_TARGET_NUMBER="6" -DBUILD_BUNDLE="ON" -DBUNDLE_BASE_INSTALL_DIR="$HOME/Documents/Programs/RawTherapee" -DOPTION_OMP="ON" -DWITH_LTO="ON" -DWITH_PROF="OFF" -DWITH_SAN="OFF" -DWITH_SYSTEM_KLT="OFF" -DWITH_BENCHMARK="OFF" -DENABLE_TCMALLOC="OFF" ..`
+    - Optimized for i7, otherwise use `-DPROC_TARGET_NUMBER="2"` for non-i7 CPUs
+    - Installs it to a local directory
+- `make -j 7`
+- `make install`
+
+### Update
+- Repeat all step starting with the `cmake`