From d51892e33a0fe69e743e02d9620312133a7ac61d Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Thu, 21 Jan 2021 11:00:32 +0200
Subject: Use target name to derive binless library -l-name

---
 libbuild2/cc/common.cxx    |  4 ++++
 libbuild2/cc/pkgconfig.cxx | 24 ++++++++++++++++++------
 2 files changed, 22 insertions(+), 6 deletions(-)

(limited to 'libbuild2/cc')

diff --git a/libbuild2/cc/common.cxx b/libbuild2/cc/common.cxx
index 9cac1b0..1bbdf14 100644
--- a/libbuild2/cc/common.cxx
+++ b/libbuild2/cc/common.cxx
@@ -950,6 +950,10 @@ namespace build2
         // idea is that in .pc files that we generate, we copy those macros
         // (or custom ones) from *.export.poptions.
         //
+        // @@ Should we add .pc files as ad hoc members so pkconfig_save() can
+        // use their names when deriving -l-names (this would be expecially
+        // helpful for binless libraries to get hold of prefix/suffix, etc).
+        //
         if (pc.first.empty () && pc.second.empty ())
         {
           if (!pkgconfig_load (act, *p.scope,
diff --git a/libbuild2/cc/pkgconfig.cxx b/libbuild2/cc/pkgconfig.cxx
index 75c7227..6a1b3c8 100644
--- a/libbuild2/cc/pkgconfig.cxx
+++ b/libbuild2/cc/pkgconfig.cxx
@@ -1479,13 +1479,25 @@ namespace build2
           }
           else
           {
-            // Derive -l-name from the file name in a fuzzy, platform-specific
-            // manner.
-            //
-            n = l.path ().leaf ().base ().string ();
+            const path& p (l.path ());
 
-            if (cclass != compiler_class::msvc)
-              strip_lib ();
+            if (p.empty ()) // Binless.
+            {
+              // For a binless library the target name is all it can possibly
+              // be.
+              //
+              n = l.name;
+            }
+            else
+            {
+              // Derive -l-name from the file name in a fuzzy, platform-
+              // specific manner.
+              //
+              n = p.leaf ().base ().string ();
+
+              if (cclass != compiler_class::msvc)
+                strip_lib ();
+            }
           }
 
           os << " -l" << n;
-- 
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