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// file : libbuild2/install/utility.hxx -*- C++ -*-
// license : MIT; see accompanying LICENSE file
#ifndef LIBBUILD2_INSTALL_UTILITY_HXX
#define LIBBUILD2_INSTALL_UTILITY_HXX
#include <libbuild2/types.hxx>
#include <libbuild2/utility.hxx>
#include <libbuild2/scope.hxx>
#include <libbuild2/target.hxx>
#include <libbuild2/export.hxx>
namespace build2
{
namespace install
{
// Set install path, mode for a target type.
//
// Note: should only be called if the install module is loaded.
//
inline void
install_path (scope& s, const target_type& tt, dir_path d)
{
auto r (
s.target_vars[tt]["*"].insert (
*s.var_pool ().find ("install")));
if (r.second) // Already set by the user?
r.first = path_cast<path> (move (d));
}
template <typename T>
inline void
install_path (scope& s, dir_path d)
{
return install_path (s, T::static_type, move (d));
}
inline void
install_mode (scope& s, const target_type& tt, string m)
{
auto r (
s.target_vars[tt]["*"].insert (
*s.ctx.var_pool.find ("install.mode")));
if (r.second) // Already set by the user?
r.first = move (m);
}
template <typename T>
inline void
install_mode (scope& s, string m)
{
return install_mode (s, T::static_type, move (m));
}
// Return the "installation scope". We do not install prerequisites (for
// example, shared libraries) of targets (for example, executables) that
// belong to projects outside of this scope. If it's NULL, install
// prerequisites from all projects. See also config.install.scope.
//
// Note that this should not apply to update-for-install. Failed that we
// may end up using incompatibly-built prerequisites (e.g., a library) in
// a target built for install (e.g., an executable).
//
LIBBUILD2_SYMEXPORT const scope*
install_scope (const target&);
// Resolve relative installation directory path (e.g., include/libfoo) to
// its absolute and normalized directory path (e.g., /usr/include/libfoo).
// If the resolution encountered an unknown directory, issue diagnostics
// and fail unless fail_unknown is false, in which case return empty
// directory.
//
// For rel_base semantics, see the $install.resolve() documentation. Note
// that fail_unknown does not apply to the rel_base resolution.
//
// Note: implemented in rule.cxx.
//
LIBBUILD2_SYMEXPORT dir_path
resolve_dir (const target&,
dir_path,
dir_path rel_base = {},
bool fail_unknown = true);
LIBBUILD2_SYMEXPORT dir_path
resolve_dir (const scope&,
dir_path,
dir_path rel_base = {},
bool fail_unknown = true);
// Resolve file installation path returning empty path if not installable.
//
LIBBUILD2_SYMEXPORT path
resolve_file (const file&); // rule.cxx
// Given an abolute path return its chroot'ed version, if any, accoring to
// install.chroot.
//
template <typename P>
inline P
chroot_path (const scope& rs, const P& p)
{
assert (p.absolute ());
const dir_path* d (cast_null<dir_path> (rs["install.chroot"]));
return d != nullptr ? *d / p.leaf (p.root_directory ()) : p;
}
}
}
#endif // LIBBUILD2_INSTALL_UTILITY_HXX
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