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-rw-r--r--libbuild2/cc/guess.cxx52
1 files changed, 33 insertions, 19 deletions
diff --git a/libbuild2/cc/guess.cxx b/libbuild2/cc/guess.cxx
index aed0d81..11d192d 100644
--- a/libbuild2/cc/guess.cxx
+++ b/libbuild2/cc/guess.cxx
@@ -344,7 +344,8 @@ namespace build2
lang,
const path& xc,
const optional<compiler_id>& xi,
- compiler_type& pre)
+ compiler_type& pre,
+ sha256& cs)
{
tracer trace ("cc::guess");
@@ -474,8 +475,6 @@ namespace build2
// One notable consequence of this is that if the locale changes
// (e.g., via LC_ALL), then the compiler signature will most likely
// change as well because of the translated text.
- //
- sha256 cs;
// Suppress all the compiler errors because we may be trying an
// unsupported option (but still consider the exit code).
@@ -491,6 +490,8 @@ namespace build2
//
//fail << "unable to obtain " << xc << " signature with -v";
}
+
+ cs.reset ();
}
else
{
@@ -501,8 +502,6 @@ namespace build2
r.id.variant == "apple" &&
pre == type::gcc)
pre = type::clang;
-
- r.checksum = cs.string ();
}
}
@@ -762,7 +761,7 @@ namespace build2
const strings*, const strings*,
const strings*, const strings*,
const strings*, const strings*,
- guess_result&& gr)
+ guess_result&& gr, sha256&)
{
// Extract the version. The signature line has the following format
// though language words can be translated and even rearranged (see
@@ -964,7 +963,7 @@ namespace build2
const strings* c_po, const strings* x_po,
const strings* c_co, const strings* x_co,
const strings*, const strings*,
- guess_result&& gr)
+ guess_result&& gr, sha256&)
{
tracer trace ("cc::guess_gcc");
@@ -1348,7 +1347,7 @@ namespace build2
const strings* c_po, const strings* x_po,
const strings* c_co, const strings* x_co,
const strings* c_lo, const strings* x_lo,
- guess_result&& gr)
+ guess_result&& gr, sha256& cs)
{
const process_path& xp (gr.path);
@@ -1485,9 +1484,21 @@ namespace build2
//
tt.vendor = "microsoft";
tt.system = "win32-msvc";
- tt.version = msvc_runtime_version (
- msvc_compiler_version (move (mi.msvc_ver)));
+ tt.version = msvc_runtime_version (msvc_compiler_version (mi.msvc_ver));
t = tt.string ();
+
+ // Add the MSVC information to the signature and checksum.
+ //
+ if (cs.empty ())
+ cs.append (gr.signature);
+
+ cs.append (mi.msvc_ver);
+ cs.append (mi.msvc_dir.string ());
+ cs.append (mi.psdk_ver);
+ cs.append (mi.psdk_dir.string ());
+
+ gr.signature += " MSVC version ";
+ gr.signature += mi.msvc_ver;
}
// Derive the toolchain pattern. Try clang/clang++, the gcc/g++ alias,
@@ -1594,7 +1605,7 @@ namespace build2
const strings* c_po, const strings* x_po,
const strings* c_co, const strings* x_co,
const strings*, const strings*,
- guess_result&& gr)
+ guess_result&& gr, sha256&)
{
const process_path& xp (gr.path);
@@ -1934,10 +1945,11 @@ namespace build2
// try the test just for that compiler.
//
guess_result gr;
+ sha256 cs;
if (type != invalid_compiler_type)
{
- gr = guess (xm, xl, xc, xi, type);
+ gr = guess (xm, xl, xc, xi, type, cs);
if (gr.empty ())
{
@@ -1949,7 +1961,7 @@ namespace build2
}
if (gr.empty ())
- gr = guess (xm, xl, xc, xi, type);
+ gr = guess (xm, xl, xc, xi, type, cs);
if (gr.empty ())
fail << "unable to guess " << xl << " compiler type of " << xc <<
@@ -1964,36 +1976,38 @@ namespace build2
{
r = guess_gcc (xm, xl, xc, xv, xt,
c_po, x_po, c_co, x_co, c_lo, x_lo,
- move (gr));
+ move (gr), cs);
break;
}
case compiler_type::clang:
{
r = guess_clang (xm, xl, xc, xv, xt,
c_po, x_po, c_co, x_co, c_lo, x_lo,
- move (gr));
+ move (gr), cs);
break;
}
case compiler_type::msvc:
{
r = guess_msvc (xm, xl, xc, xv, xt,
c_po, x_po, c_co, x_co, c_lo, x_lo,
- move (gr));
+ move (gr), cs);
break;
}
case compiler_type::icc:
{
r = guess_icc (xm, xl, xc, xv, xt,
c_po, x_po, c_co, x_co, c_lo, x_lo,
- move (gr));
+ move (gr), cs);
break;
}
}
// By default use the signature line to generate the checksum.
//
- if (r.checksum.empty ())
- r.checksum = sha256 (r.signature).string ();
+ if (cs.empty ())
+ cs.append (r.signature);
+
+ r.checksum = cs.string ();
// Derive binutils pattern unless this has already been done by the
// compiler-specific code.