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-rw-r--r--libbuild2/cc/common.cxx42
1 files changed, 30 insertions, 12 deletions
diff --git a/libbuild2/cc/common.cxx b/libbuild2/cc/common.cxx
index 6b8bd96..cd5b8ce 100644
--- a/libbuild2/cc/common.cxx
+++ b/libbuild2/cc/common.cxx
@@ -21,13 +21,14 @@ namespace build2
{
using namespace bin;
- // Recursively process prerequisite libraries. If proc_impl returns false,
- // then only process interface (*.export.libs), otherwise -- interface and
- // implementation (prerequisite and from *.libs, unless overriden).
+ // Recursively process prerequisite libraries of the specified library. If
+ // proc_impl returns false, then only process interface (*.export.libs),
+ // otherwise -- interface and implementation (prerequisite and from
+ // *.libs, unless overriden @@???).
//
- // Note that here we assume that an interface library is also an
- // implementation (since we don't use *.export.libs in static link). We
- // currently have this restriction to make sure the target in
+ // Note that here we assume that an interface library is also always an
+ // implementation (since we don't use *.export.libs for static linking).
+ // We currently have this restriction to make sure the target in
// *.export.libs is up-to-date (which will happen automatically if it is
// listed as a prerequisite of this library).
//
@@ -44,7 +45,7 @@ namespace build2
//
// The first argument to proc_lib is a pointer to the last element of an
// array that contains the current library dependency chain all the way to
- // the library passes to process_libraries(). The first element of this
+ // the library passed to process_libraries(). The first element of this
// array is NULL.
//
void common::
@@ -92,8 +93,8 @@ namespace build2
if (t != nullptr)
{
- cc = *t == "cc";
- same = !cc && *t == x;
+ cc = (*t == "cc");
+ same = (!cc && *t == x);
// The explicit export override should be set on the liba/libs{}
// target itself. Note also that we only check for *.libs. If one
@@ -101,8 +102,9 @@ namespace build2
// *.libs should be set to NULL or empty (this is why we check for
// the result being defined).
//
+ /*
if (impl)
- c_e_libs = l.vars[c_export_libs]; // Override.
+ c_e_libs = l.vars[c_export_libs]; // Override. @@???
else if (l.group != nullptr) // lib{} group.
c_e_libs = l.group->vars[c_export_libs];
@@ -117,6 +119,15 @@ namespace build2
else if (l.group != nullptr) // lib{} group.
x_e_libs = l.group->vars[var];
}
+ */
+
+ if (!impl)
+ {
+ c_e_libs = l[c_export_libs];
+
+ if (!cc)
+ x_e_libs = l[same ? x_export_libs : vp[*t + ".export.libs"]];
+ }
// Process options first.
//
@@ -134,6 +145,9 @@ namespace build2
// Interface and implementation: as discussed above, we can have
// two situations: overriden export or default export.
//
+ // @@ ???
+ //
+ /*
if (c_e_libs.defined () || x_e_libs.defined ())
{
// NOTE: should this not be from l.vars rather than l? Or
@@ -142,9 +156,9 @@ namespace build2
//
proc_opt (l, *t, false, true);
proc_opt (l, *t, true, true);
-
}
else
+ */
{
// For default export we use the same options as were used to
// build the library.
@@ -235,7 +249,7 @@ namespace build2
// not using explicit export. Otherwise, interface dependencies come
// from the lib{}:*.export.libs below.
//
- if (impl && !c_e_libs.defined () && !x_e_libs.defined ())
+ if (impl /*&& !c_e_libs.defined () && !x_e_libs.defined ()*/)
{
for (const prerequisite_target& pt: l.prerequisite_targets[a])
{
@@ -390,12 +404,16 @@ namespace build2
// Interface and implementation: as discussed above, we can have
// two situations: overriden export or default export.
//
+ // @@ ???
+ //
+ /*
if (c_e_libs.defined () || x_e_libs.defined ())
{
if (c_e_libs) proc_int (c_e_libs);
if (x_e_libs) proc_int (x_e_libs);
}
else
+ */
{
// For default export we use the same options/libs as were used
// to build the library. Since libraries in (non-export) *.libs