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-rw-r--r--libbuild2/cc/guess.cxx46
1 files changed, 33 insertions, 13 deletions
diff --git a/libbuild2/cc/guess.cxx b/libbuild2/cc/guess.cxx
index c47e5a1..f10d9f8 100644
--- a/libbuild2/cc/guess.cxx
+++ b/libbuild2/cc/guess.cxx
@@ -941,16 +941,25 @@ namespace build2
args.push_back (nullptr); // Placeholder for the option.
args.push_back (nullptr);
- auto run = [&cs, &xp, &args] (const char* o,
- auto&& f,
- const char* const* env = nullptr,
- bool checksum = false) -> guess_result
+ process_env env (xp);
+
+ // For now let's assume that all the platforms other than Windows
+ // recognize LC_ALL.
+ //
+#ifndef _WIN32
+ const char* evars[] = {"LC_ALL=C", nullptr};
+ env.vars = evars;
+#endif
+
+ auto run = [&cs, &env, &args] (const char* o,
+ auto&& f,
+ bool checksum = false) -> guess_result
{
args[args.size () - 2] = o;
return build2::run<guess_result> (
3 /* verbosity */,
- process_env (xp, env),
+ env,
args.data (),
forward<decltype(f)> (f),
false /* error */,
@@ -1070,7 +1079,7 @@ namespace build2
// (e.g., via LC_ALL), then the compiler signature will most likely
// change as well because of the translated text.
//
- r = run ("-v", f, nullptr /* env */, true /* checksum */);
+ r = run ("-v", f, true /* checksum */);
if (r.empty ())
{
@@ -1183,9 +1192,9 @@ namespace build2
//
// This is also the reason why we don't pass the mode options.
//
- const char* env[] = {"CL=", "_CL_=", nullptr};
+ const char* evars[] = {"CL=", "_CL_=", nullptr};
- r = build2::run<guess_result> (3, process_env (xp, env), f, false);
+ r = build2::run<guess_result> (3, process_env (xp, evars), f, false);
if (r.empty ())
{
@@ -1807,7 +1816,8 @@ namespace build2
args.push_back (nullptr);
// The output of both -print-multiarch and -dumpmachine is a single
- // line containing just the target triplet.
+ // line containing just the target triplet. We don't expect any
+ // localization so no need for LC_ALL.
//
auto f = [] (string& l, bool) {return move (l);};
@@ -2287,7 +2297,8 @@ namespace build2
args.push_back (nullptr);
// The output of -dumpmachine is a single line containing just the
- // target triplet.
+ // target triplet. Again, we don't expect any localization so no need
+ // for LC_ALL.
//
auto f = [] (string& l, bool) {return move (l);};
t = run<string> (3, xp, args.data (), f, false);
@@ -2520,8 +2531,15 @@ namespace build2
// Intel(R) C Intel(R) 64 Compiler for applications running on Intel(R) MIC Architecture, Version 16.0.2.181 Build 20160204
//
// We should probably also assume the language words can be translated
- // and even rearranged.
+ // and even rearranged. Thus pass LC_ALL=C.
//
+ process_env env (xp);
+
+#ifndef _WIN32
+ const char* evars[] = {"LC_ALL=C", nullptr};
+ env.vars = evars;
+#endif
+
auto f = [] (string& l, bool)
{
return l.compare (0, 5, "Intel") == 0 && (l[5] == '(' || l[5] == ' ')
@@ -2538,7 +2556,7 @@ namespace build2
//
// @@ TODO: running without the mode options.
//
- s = run<string> (3, xp, "-V", f, false);
+ s = run<string> (3, env, "-V", f, false);
if (s.empty ())
fail << "unable to extract signature from " << xc << " -V output";
@@ -2664,7 +2682,7 @@ namespace build2
// The -V output is sent to STDERR.
//
- t = run<string> (3, xp, args.data (), f, false);
+ t = run<string> (3, env, args.data (), f, false);
if (t.empty ())
fail << "unable to extract target architecture from " << xc
@@ -2709,6 +2727,8 @@ namespace build2
// in the future. So instead we are going to use -dumpmachine and
// substitute the CPU.
//
+ // Note: no localication expected so running without LC_ALL.
+ //
// @@ TODO: running without the mode options.
//
{