Update to CentOS 7, Add AppImage CI

.github/workflows/appimage.yml

@@ -0,0 +1,28 @@
+on:
+  push:
+    tags:
+      - "*"
+
+name: CI
+
+jobs:
+  build_appimage:
+    name: Build AppImage
+    runs-on: ubuntu-20.04
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v2
+      - name: Get the version
+        id: get_version
+        run: |
+          export VERSION_NUM=$(ruby -e "print '$GITHUB_REF'.split('/')[2]")
+          echo ::set-output name=value::${VERSION_NUM}
+      - name: Build project
+        run: |
+          cd appimage
+          make
+          cp Magic-x86_64.AppImage /tmp/Magic-${{ steps.get_version.outputs.value }}-x86_64.AppImage
+      - name: Upload Release Asset
+        uses: softprops/action-gh-release@v1
+        with:
+          files: /tmp/Magic-${{ steps.get_version.outputs.value }}-x86_64.AppImage

appimage/Dockerfile

@@ -1,11 +1,16 @@
-FROM donnio/python3:centos6
+FROM centos/python-38-centos7:20210726-fad62e9
+
+USER root
+
+# Build Dependencies
+RUN yum install -y cairo-devel freeglut-devel gcc make tcsh
 
 # Tcl/Tk 
 WORKDIR /tcl
 RUN curl -L https://prdownloads.sourceforge.net/tcl/tcl8.6.12-src.tar.gz | tar --strip-components=1 -xzC . \
     && cd unix \
     && ./configure --prefix=/prefix \
-    && make -j$(nproc) \
+    && make \
     && make install
 
 WORKDIR /tk
@@ -19,9 +24,6 @@ WORKDIR /prefix/bin
 RUN cp ./wish8.6 ./wish
 RUN cp ./tclsh8.6 ./tclsh
 
-# Cairo
-RUN yum install -y cairo-devel
-
 # Magic
 WORKDIR /magic
 COPY . .
@@ -30,6 +32,7 @@ RUN ./configure \
     --prefix=/prefix \
     --with-tcl=/prefix/lib \
     --with-tk=/prefix/lib \
+    --without-opengl \
     && make clean \
     && make database/database.h \
     && make -j$(nproc) \

appimage/README.md

@@ -2,13 +2,13 @@ This is an AppImage that runs on all GNU/Linux platforms with:
 
 * FUSE
     * This excludes non-privileged Docker containers unfortunately, unless pre-extracted.
-* GLIBC 2.3+
+* GLIBC 2.17+
 * Cairo 1.8+
 
-That's most Linux distributions released in 2012 or later.
+That's most Linux distributions released in 2016 or later.
 
 # Build Info
-A Dockerfile on CentOS 6 (needed for older glibc) image builds Tcl, Tk and Magic.
+A Dockerfile on CentOS 7 (needed for older glibc) image builds Tcl, Tk and Magic.
 
 The final build is then packaged into an AppImage using AppImageTool on the host machine.