diff options
Diffstat (limited to 'libbuild2/bin/guess.cxx')
| -rw-r--r-- | libbuild2/bin/guess.cxx | 20 |
1 files changed, 17 insertions, 3 deletions
diff --git a/libbuild2/bin/guess.cxx b/libbuild2/bin/guess.cxx index 92fc682..905bd0a 100644 --- a/libbuild2/bin/guess.cxx +++ b/libbuild2/bin/guess.cxx @@ -745,6 +745,12 @@ namespace build2 // Microsoft dumpbin.exe does not recogize --version but will still // issue its standard banner (and even exit with zero status). // + // FreeBSD uses nm from ELF Toolchain which recognizes --version. + // + // Mac OS X nm doesn't have an option to display version or help. If we + // run it without any arguments, then it looks for a.out. So there + // doesn't seem to be a way to detect it. + // // Version extraction is a @@ TODO. { auto f = [] (string& l, bool) -> guess_result @@ -764,6 +770,13 @@ namespace build2 if (l.compare (0, 14, "Microsoft (R) ") == 0) return guess_result ("msvc", move (l), semantic_version ()); + // nm --version from ELF Toolchain prints: + // + // nm (elftoolchain r3477M) + // + if (l.find ("elftoolchain") != string::npos) + return guess_result ("elftoolchain", move (l), semantic_version ()); + return guess_result (); }; @@ -777,10 +790,11 @@ namespace build2 r.checksum = cs.string (); } - //@@ TODO: BSD, Mac OS. - + // Since there are some unrecognizable nm's (e.g., on Mac OS X), we will + // have to assume generic if we managed to find the executable. + // if (r.empty ()) - fail << "unable to guess " << nm << " signature"; + r = guess_result ("generic", "", semantic_version ()); return nm_cache.insert (move (key), nm_info { |