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-rw-r--r--libbuild2/install/init.cxx25
1 files changed, 23 insertions, 2 deletions
diff --git a/libbuild2/install/init.cxx b/libbuild2/install/init.cxx
index 92c2790..a3155d1 100644
--- a/libbuild2/install/init.cxx
+++ b/libbuild2/install/init.cxx
@@ -421,9 +421,9 @@ namespace build2
using config::lookup_config;
using config::specified_config;
- // Note: ignore config.install.scope (see below).
+ // Note: ignore config.install.{scope,manifest} (see below).
//
- bool s (specified_config (rs, "install", {"scope"}));
+ bool s (specified_config (rs, "install", {"scope", "manifest"}));
// Adjust module priority so that the (numerous) config.install.*
// values are saved at the end of config.build.
@@ -582,6 +582,27 @@ namespace build2
}
}
+ // Support for relocatable install.
+ //
+ // Note that it is false by default since supporting relocatable
+ // installation may require extra effort and not all projects may
+ // support it. A project that is known not to support it should assert
+ // this fact in its root.build, for example:
+ //
+ // assert (!$install.relocatable) 'relocatable installation not supported'
+ //
+ {
+ auto& var (vp.insert<bool> ( "install.relocatable"));
+ auto& cvar (vp.insert<bool> ("config.install.relocatable"));
+
+ value& v (rs.assign (var));
+
+ // Note: unlike other variables, for ease of assertion set it to
+ // false if no config.install.* is specified.
+ //
+ v = s && cast_false<bool> (lookup_config (rs, cvar, false));
+ }
+
// Global config.install.* values.
//
set_dir (s, p, rs, "", abs_dir_path (), false, "644", "755", cmd);