Autobuild: Add explanations for apt cross-compilation setup

Related: https://github.com/jamulussoftware/jamulus/pull/2895/files#r987309259
jamulussoftware · Oct 4, 2022 · d0f535c · d0f535c
1 parent 1ebb261
commit d0f535c
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/.github/autobuild/linux_deb.sh b/.github/autobuild/linux_deb.sh
@@ -45,7 +45,9 @@ setup_cross_compilation_apt_sources() {
         return
     fi
     sudo dpkg --add-architecture "${TARGET_ARCH}"
+    # Duplicate the original Ubuntu sources and modify them to refer to the TARGET_ARCH:
     sed -rne "s|^deb.*/ ([^ -]+(-updates)?) main.*|deb [arch=${TARGET_ARCH}] http://ports.ubuntu.com/ubuntu-ports \1 main universe multiverse restricted|p" /etc/apt/sources.list | sudo dd of=/etc/apt/sources.list.d/"${TARGET_ARCH}".list
+    # Now take the original Ubuntu sources and limit those to the build host (i.e. non-TARGET_ARCH) architectures:
     sudo sed -re 's/^deb /deb [arch=amd64,i386] /' -i /etc/apt/sources.list
 }