Add Dockerfile

Author: Extrems

Dockerfile

@@ -0,0 +1,14 @@
+FROM devkitpro/devkitppc:latest
+
+LABEL maintainer="Extrems <extrems@extremscorner.org>" \
+      org.opencontainers.image.source="https://github.com/extremscorner/libogc2"
+
+SHELL ["/bin/bash", "-c"]
+RUN rm /etc/apt/sources.list.d/devkitpro.list && \
+    wget -O - https://packages.extremscorner.org/devkitpro.gpg | dkp-pacman-key --add - && \
+    dkp-pacman-key --lsign-key C8A2759C315CFBC3429CC2E422B803BA8AA3D7CE && \
+    sed -i '/^\[dkp-libs\]$/,$d' /opt/devkitpro/pacman/etc/pacman.conf && \
+    echo -e '[extremscorner-devkitpro]\nServer = https://packages.extremscorner.org/devkitpro/linux/$arch' >> /opt/devkitpro/pacman/etc/pacman.conf && \
+    dkp-pacman -Syy && \
+    dkp-pacman -S --noconfirm --ask 4 gamecube-dev gamecube-portlibs ppc-portlibs wii-dev wii-portlibs && \
+    dkp-pacman -Scc --noconfirm

Makefile

@@ -18,7 +18,7 @@ export LIBOGC_PATCH	:= 0
 
 include	$(DEVKITPPC)/base_rules
 
-DATESTRING	:=	$(shell date +%Y%m%d)
+DATESTRING	:=	$(shell date -u +%Y%m%d)
 VERSTRING	:=	$(shell printf "r%s.%s" "$$(git rev-list --count HEAD)" "$$(git rev-parse --short=7 HEAD)")
 
 #---------------------------------------------------------------------------------
@@ -263,7 +263,7 @@ $(BTELIB).a: $(BTEOBJ)
 $(WIIUSELIB).a: $(WIIUSEOBJ)
 #---------------------------------------------------------------------------------
 
-.PHONY: libs wii cube install-headers install uninstall dist docs
+.PHONY: libs wii cube install-headers install uninstall dist docs docker
 
 #---------------------------------------------------------------------------------
 install-headers:
@@ -341,4 +341,9 @@ docs: install-headers
 #---------------------------------------------------------------------------------
 	VERSTRING="$(VERSTRING)" doxygen Doxyfile
 
+#---------------------------------------------------------------------------------
+docker:
+#---------------------------------------------------------------------------------
+	docker build --no-cache -t ghcr.io/extremscorner/libogc2:$(DATESTRING) -t ghcr.io/extremscorner/libogc2:latest .
+
 -include $(DEPSDIR)/*.d

README.md

@@ -73,6 +73,13 @@ sudo (dkp-)pacman -S libogc2-cmake
 
 `DKP_OGC_PLATFORM_LIBRARY` may be set to `libogc` or `libogc2` to build projects using either thereafter.
 
+### GitHub Actions
+
+```diff
+-    container: devkitpro/devkitppc:latest
++    container: ghcr.io/extremscorner/libogc2:latest
+```
+
 ## Building
 
 1. Existing packages should first be uninstalled if already installed.