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-rw-r--r--build2/cxx/compile.cxx22
-rw-r--r--build2/cxx/guess.cxx1
2 files changed, 11 insertions, 12 deletions
diff --git a/build2/cxx/compile.cxx b/build2/cxx/compile.cxx
index 70ff4a0..6382188 100644
--- a/build2/cxx/compile.cxx
+++ b/build2/cxx/compile.cxx
@@ -159,12 +159,12 @@ namespace build2
// Then the compiler checksum.
//
{
- sha256 csum (as<string> (*rs["config.cxx"]));
+ const string& cs (as<string> (*rs["cxx.checksum"]));
dl = dd.read ();
- if (dl == nullptr || *dl != csum.string ())
+ if (dl == nullptr || *dl != cs)
{
- dd.write (csum.string ());
+ dd.write (cs);
if (dl != nullptr)
l4 ([&]{trace << "compiler mismatch forcing update of " << t;});
@@ -177,7 +177,7 @@ namespace build2
// The idea is to keep them exactly as they are passed to the
// compiler since the order may be significant.
//
- sha256 csum;
+ sha256 cs;
// Hash cxx.export.poptions from prerequisite libraries.
//
@@ -186,23 +186,23 @@ namespace build2
target& pt (*p.target); // Already searched and matched.
if (pt.is_a<lib> () || pt.is_a<liba> () || pt.is_a<libso> ())
- hash_lib_options (csum, pt, "cxx.export.poptions");
+ hash_lib_options (cs, pt, "cxx.export.poptions");
}
- hash_options (csum, t, "cxx.poptions");
- hash_options (csum, t, "cxx.coptions");
- hash_std (csum, t);
+ hash_options (cs, t, "cxx.poptions");
+ hash_options (cs, t, "cxx.coptions");
+ hash_std (cs, t);
if (t.is_a<objso> ())
{
if (sys != "darwin")
- csum.append ("-fPIC");
+ cs.append ("-fPIC");
}
dl = dd.read ();
- if (dl == nullptr || *dl != csum.string ())
+ if (dl == nullptr || *dl != cs.string ())
{
- dd.write (csum.string ());
+ dd.write (cs.string ());
if (dl != nullptr)
l4 ([&]{trace << "options mismatch forcing update of " << t;});
diff --git a/build2/cxx/guess.cxx b/build2/cxx/guess.cxx
index 5bef746..1f5fc62 100644
--- a/build2/cxx/guess.cxx
+++ b/build2/cxx/guess.cxx
@@ -7,7 +7,6 @@
#include <cstring> // strlen()
#include <iostream> // cerr
-#include <butl/sha256>
#include <butl/process>
#include <butl/fdstream>