v4.0.0-rc4 - add config parsing

etc/example.cfg

@@ -41,3 +41,23 @@ GLACIER_VERBOSE = false;
 ### DO NOT EDIT ANY SETTINGS BELOW THIS LINE ###
 ### DO NOT EDIT ANY SETTINGS BELOW THIS LINE ###
 ### DO NOT EDIT ANY SETTINGS BELOW THIS LINE ###
+
+# This system profile is only present for testing purposes.
+
+# Package repository
+# This is the URL which glacier-update-pkgdb will clone
+GLACIER_REPO = "https://git.everestlinux.org/EverestLinux/epkgs-x86_64-musl";
+
+# System architecture
+# The architecture of your system's CPU
+GLACIER_ARCH = "x86_64";
+
+# Target compilation triplet
+# The triplet to be used during compilation
+GLACIER_TARGET = "x86_64-linux-musl";
+
+# System profile
+# This variable tells Glacier about your system and which packages can be installed.
+# This setting depends on the three above and should not be changed manually.
+# If you wish to migrate system profiles, see https://www.everestlinux.org/docs/musl-or-glibc
+GLACIER_SYSTEM_PROFILE = "x86_64-musl";