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-rw-r--r--libbuild2/bin/guess.cxx24
1 files changed, 18 insertions, 6 deletions
diff --git a/libbuild2/bin/guess.cxx b/libbuild2/bin/guess.cxx
index 905bd0a..1e97b7a 100644
--- a/libbuild2/bin/guess.cxx
+++ b/libbuild2/bin/guess.cxx
@@ -177,7 +177,11 @@ namespace build2
// "LLVM version 3.5.2"
// "LLVM version 5.0.0"
//
- if (l.compare (0, 13, "LLVM version ") == 0)
+ // But it can also be prefixed with some stuff, for example:
+ //
+ // "Debian LLVM version 14.0.6"
+ //
+ if (l.find ("LLVM version ") != string::npos)
{
semantic_version v (parse_version (l, l.rfind (' ') + 1));
return guess_result ("llvm", move (l), move (v));
@@ -280,7 +284,7 @@ namespace build2
// "LLVM version ".
//
- if (l.compare (0, 13, "LLVM version ") == 0)
+ if (l.find ("LLVM version ") != string::npos)
return guess_result ("llvm", move (l), semantic_version ());
// On FreeBSD we get "ranlib" rather than "BSD ranlib" for some
@@ -437,17 +441,22 @@ namespace build2
string id;
optional<semantic_version> ver;
+ size_t p;
+
// Microsoft link.exe output starts with "Microsoft (R) ".
//
if (l.compare (0, 14, "Microsoft (R) ") == 0)
{
id = "msvc";
}
- // LLD prints a line in the form "LLD X.Y.Z ...".
+ // LLD prints a line in the form "LLD X.Y.Z ...". But it can also
+ // be prefixed with some stuff, for example:
//
- else if (l.compare (0, 4, "LLD ") == 0)
+ // Debian LLD 14.0.6 (compatible with GNU linkers)
+ //
+ else if ((p = l.find ("LLD ")) != string::npos)
{
- ver = parse_version (l, 4);
+ ver = parse_version (l, p + 4);
// The only way to distinguish between various LLD drivers is via
// their name. Handle potential prefixes (say a target) and
@@ -764,7 +773,10 @@ namespace build2
// LLVM nm --version output has a line that starts with
// "LLVM version" followed by a version.
//
- if (l.compare (0, 13, "LLVM version ") == 0)
+ // But let's assume it can be prefixed with some stuff like the rest
+ // of the LLVM tools (see above).
+ //
+ if (l.find ("LLVM version ") != string::npos)
return guess_result ("llvm", move (l), semantic_version ());
if (l.compare (0, 14, "Microsoft (R) ") == 0)