add support for quick build with GiteaPC

.gitignore

@@ -5,3 +5,7 @@
 *.so*
 *.dylib*
 *.pc
+
+# GiteaPC config files
+giteapc-config-*.make
+giteapc-config.make

README.md

@@ -4,7 +4,15 @@ This is a fork of [OpenLibm](https://github.com/JuliaMath/openlibm) with
 support for the sh3eb architecture, intended for add-in programming on fx-9860G
 and fx-CG 50.
 
-## Building
+## Installing with GiteaPC
+
+This library can be installed automatically with [GiteaPC](https://gitea.planet-casio.com/Lephenixnoir/GiteaPC).
+
+```
+% giteapc install Lephenixnoir/OpenLibm
+```
+
+## Building manually
 
 You will need a GCC toolchain built with `--target=sh3eb-elf`, such as the
 `sh-elf-gcc` commonly used on Planète Casio.

giteapc.make

@@ -0,0 +1,19 @@
+# giteapc: version=1 depends=Lephenixnoir/sh-elf-gcc
+
+-include giteapc-config.make
+
+PREFIX ?= $(shell sh-elf-gcc --print-search-dirs | grep install | sed 's/install: //')
+
+configure:
+	@ true
+
+build:
+	@ make USEGCC=1 TOOLPREFIX=sh-elf- libdir="$(PREFIX)" includedir="$(PREFIX)/include"
+
+install:
+	@ make USEGCC=1 TOOLPREFIX=sh-elf- libdir="$(PREFIX)" includedir="$(PREFIX)/include" install-static install-headers
+
+uninstall:
+	@ echo "uninstall not supported for OpenLibm, skipping"
+
+.PHONY: configure build install uninstall