Instructions for a static build of super-zaje

Author: jessp01

cmd/super-zaje/static_build.md

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+#### Static compilation on Debian/Ubuntu
+
+The below will produce a rather chubby binary (29M on my Debian box) but it should run correctly on all modern Linux distros.
+If you don't need a static binary, simply follow the relevant install procedure [here](./README.md)
+
+- Install deps:
+```sh
+# apt-get install libdeflate-dev libtiff-dev libsharpyuv-dev libwebp-dev liblerc-dev liblzma-dev libjbig-dev libpng-dev libzstd-dev libjpeg-dev
+```
+
+Note: Debian/Ubuntu do provide static archives for both `libleptonica` and `libtesseract` but these are compiled with additional options that `super-zaje` does not need and statically linking against these archives would require the installation of several more `dev` packages.
+
+- Build a statically linked version of libleptonica:
+
+```sh
+$ git clone --depth 1 https://github.com/DanBloomberg/leptonica.git
+$ ./autogen.sh
+$ ./configure --with-pic --disable-shared 'CFLAGS=-D DEFAULT_SEVERITY=L_SEVERITY_ERROR -g0 -O3'
+$ make
+# make install
+```
+
+- Build a statically linked version of libtesseract:
+```sh
+$ git clone --depth 1 https://github.com/tesseract-ocr/tesseract.git
+$ ./autogen.sh
+$ ./configure --with-pic --disable-shared --disable-legacy --disable-graphics --disable-openmp --without-curl --without-archive --disable-doc 'CXXFLAGS=-DTESS_EXPORTS -g0 -O3 -ffast-math' 
+$ make
+# make install
+```
+
+- Build super-zaje:
+```sh
+git clone https://github.com/jessp01/zaje.git 
+cd zaje/cmd/super-zaje  
+CGO_ENABLED=1 GOOS=linux go build  -a -tags netgo -ldflags '-extldflags "-static -ldeflate -ltiff  -L/usr/local/lib -ldeflate -lsharpyuv -lwebp -lLerc -llzma -ljbig -ltesseract -lleptonica -lpng -lzstd -ljpeg -lz -lgif -lsharpyuv -lwebp"' super-zaje.go
+