diff options
Diffstat (limited to 'libbuild2/cc')
-rw-r--r-- | libbuild2/cc/pkgconfig.cxx | 53 |
1 files changed, 47 insertions, 6 deletions
diff --git a/libbuild2/cc/pkgconfig.cxx b/libbuild2/cc/pkgconfig.cxx index ff84dc4..d8ccaad 100644 --- a/libbuild2/cc/pkgconfig.cxx +++ b/libbuild2/cc/pkgconfig.cxx @@ -397,11 +397,18 @@ namespace build2 ops.push_back (move (o)); }; - // Extract --cflags and set them as lib?{}:export.poptions.. + // Extract --cflags and set them as lib?{}:export.poptions returing the + // pointer to the set value. If [as]pops are not NULL, then only keep + // options that are present in both. // - auto parse_cflags = [&trace, this, &append_dir] (target& t, - const pkgconfig& pc, - bool la) + auto parse_cflags =[&trace, + this, + &append_dir] (target& t, + const pkgconfig& pc, + bool la, + const strings* apops = nullptr, + const strings* spops = nullptr) + -> const strings* { // Note that we normalize `-[IDU] <arg>` to `-[IDU]<arg>`. // @@ -463,8 +470,30 @@ namespace build2 // export stub and we shouldn't touch them. // if (p.second) + { + // If required, only keep common stuff. While removing the entries + // is not the most efficient way, it is simple. + // + if (apops != nullptr || spops != nullptr) + { + for (auto i (pops.begin ()); i != pops.end (); ) + { + if ((apops != nullptr && find ( + apops->begin (), apops->end (), *i) == apops->end ()) || + (spops != nullptr && find ( + spops->begin (), spops->end (), *i) == spops->end ())) + i = pops.erase (i); + else + ++i; + } + } + p.first = move (pops); + return &p.first.as<strings> (); + } } + + return nullptr; }; // Parse --libs into loptions/libs (interface and implementation). If @@ -1345,14 +1374,26 @@ namespace build2 false, &prs); + const strings* apops (nullptr); if (pa) { - parse_cflags (*at, apc, true); + apops = parse_cflags (*at, apc, true); parse_libs (*at, at->path ().empty (), apc, true, nullptr); } + const strings* spops (nullptr); if (ps) - parse_cflags (*st, spc, false); + spops = parse_cflags (*st, spc, false); + + // Also set common poptions for the group. In particular, this makes + // sure $lib_poptions() in the "common interface" mode works for the + // installed libraries. + // + // Note that if there are no poptions set for either, then we cannot + // possibly have a common subset. + // + if (apops != nullptr || spops != nullptr) + parse_cflags (lt, ipc, false, apops, spops); // @@ TODO: we can now load cc.type if there is metadata (but need to // return this rather than set, see search_library() for |