Add ability to customize pkg-config header and library search paths

Specifically, {cc,c,cxx}.pkgconfig.{include,lib} variables specify header
(-I) and library (-L) search paths to use in the generated .pc files
instead of the default install.{include,lib}. Relative paths are resolved
as install paths.

1 files changed, 6 insertions, 0 deletions

diff --git a/libbuild2/c/init.cxx b/libbuild2/c/init.cxx
index be001a8..6725ca7 100644
--- a/libbuild2/c/init.cxx
+++ b/libbuild2/c/init.cxx
@@ -225,6 +225,9 @@ namespace build2
         vp["cc.export.libs"],
         vp["cc.export.impl_libs"],
 
+        vp["cc.pkconfig.include"],
+        vp["cc.pkconfig.lib"],
+
         vp.insert_alias (vp["cc.stdlib"], "c.stdlib"), // Same as cc.stdlib.
 
         vp["cc.runtime"],
@@ -276,6 +279,9 @@ namespace build2
       vp.insert_alias (d.c_runtime,    "c.runtime");
       vp.insert_alias (d.c_importable, "c.importable");
 
+      vp.insert_alias (d.c_pkgconfig_include, "c.pkgconfig.include");
+      vp.insert_alias (d.c_pkgconfig_lib,     "c.pkgconfig.lib");
+
       auto& m (extra.set_module (new config_module (move (d))));
       m.guess (rs, loc, extra.hints);