diff options
Diffstat (limited to 'libbuild2/cc/pkgconfig.cxx')
| -rw-r--r-- | libbuild2/cc/pkgconfig.cxx | 51 |
1 files changed, 49 insertions, 2 deletions
diff --git a/libbuild2/cc/pkgconfig.cxx b/libbuild2/cc/pkgconfig.cxx index b0b9675..ff84dc4 100644 --- a/libbuild2/cc/pkgconfig.cxx +++ b/libbuild2/cc/pkgconfig.cxx @@ -316,9 +316,15 @@ namespace build2 assert (!ap.empty () || !sp.empty ()); - // Append -I<dir> or -L<dir> option suppressing duplicates. + const scope& rs (*s.root_scope ()); + + const dir_path* sysroot ( + cast_null<abs_dir_path> (rs["config.cc.pkgconfig.sysroot"])); + + // Append -I<dir> or -L<dir> option suppressing duplicates. Also handle + // the sysroot rewrite. // - auto append_dir = [] (strings& ops, string&& o) + auto append_dir = [sysroot] (strings& ops, string&& o) { char c (o[1]); @@ -337,6 +343,47 @@ namespace build2 // Note that we do normalize -L paths in the usrd logic later // (but not when setting as *.export.loptions). + if (sysroot != nullptr) + { + // Notes: + // + // - The path might not be absolute (we only rewrite absolute ones). + // + // - Do this before duplicate suppression since options in ops + // already have the sysroot rewritten. + // + // - Check if the path already starts with sysroot since some .pc + // files might already be in a good shape (e.g., because they use + // ${pcfiledir} to support relocation properly). + // + const char* op (o.c_str () + 2); + size_t on (o.size () - 2); + + if (path_traits::absolute (op, on)) + { + const string& s (sysroot->string ()); + + const char* sp (s.c_str ()); + size_t sn (s.size ()); + + if (!path_traits::sub (op, on, sp, sn)) // Already in sysroot. + { + // Find the first directory seperator that seperates the root + // component from the rest of the path (think /usr/include, + // c:\install\include). We need to replace the root component + // with sysroot. If there is no separator (say, -Ic:) or the + // path after the separator is empty (say, -I/), then we replace + // the entire path. + // + size_t p (path_traits::find_separator (o, 2)); + if (p == string::npos || p + 1 == o.size ()) + p = o.size (); + + o.replace (2, p - 2, s); + } + } + } + for (const string& x: ops) { if (x.size () > 2 && x[0] == '-' && x[1] == c) |