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-rw-r--r--libbuild2/bin/guess.hxx51
1 files changed, 47 insertions, 4 deletions
diff --git a/libbuild2/bin/guess.hxx b/libbuild2/bin/guess.hxx
index e5da263..7dc7b33 100644
--- a/libbuild2/bin/guess.hxx
+++ b/libbuild2/bin/guess.hxx
@@ -16,7 +16,7 @@ namespace build2
// Currently recognized ar/ranlib and their ids:
//
// gnu GNU binutils
- // llvm LLVM ar
+ // llvm LLVM llvm-ar
// bsd FreeBSD (and maybe other BSDs)
// msvc Microsoft's lib.exe
// msvc-llvm LLVM llvm-lib.exe
@@ -31,6 +31,9 @@ namespace build2
// The environment is an optional list of environment variables that
// affect ar/ranlib result.
//
+ // Watch out for the environment not to affect any of the extracted
+ // information since we cache it.
+ //
struct ar_info
{
process_path ar_path;
@@ -51,7 +54,7 @@ namespace build2
// attemplated and the returned ranlib_* members will be left empty.
//
const ar_info&
- guess_ar (const path& ar, const path* ranlib, const char* paths);
+ guess_ar (context&, const path& ar, const path* ranlib, const char* paths);
// ld information.
//
@@ -80,6 +83,9 @@ namespace build2
// The environment is an optional list of environment variables that
// affect the linker result.
//
+ // Watch out for the environment not to affect any of the extracted
+ // information since we cache it.
+ //
// Note that for now the version is extracted only for some linkers. Once
// it's done for all of them, we should drop optional.
//
@@ -94,7 +100,7 @@ namespace build2
};
const ld_info&
- guess_ld (const path& ld, const char* paths);
+ guess_ld (context&, const path& ld, const char* paths);
// rc information.
//
@@ -113,6 +119,9 @@ namespace build2
// The environment is an optional list of environment variables that
// affect the resource compiler result.
//
+ // Watch out for the environment not to affect any of the extracted
+ // information since we cache it.
+ //
struct rc_info
{
process_path path;
@@ -123,7 +132,41 @@ namespace build2
};
const rc_info&
- guess_rc (const path& rc, const char* paths);
+ guess_rc (context&, const path& rc, const char* paths);
+
+ // nm information.
+ //
+ // Currently recognized nm and nm-like utilities and their ids:
+ //
+ // gnu GNU binutils nm
+ // msvc Microsoft's dumpbin.exe
+ // llvm LLVM llvm-nm
+ // elftoolchain ELF Toolchain (used by FreeBSD)
+ // generic Other/generic/unrecognized (including Mac OS X)
+ //
+ // The signature is normally the --version line.
+ //
+ // The checksum is used to detect nm changes. It is calculated in a
+ // toolchain-specific manner (usually the output of --version) and is not
+ // bulletproof.
+ //
+ // The environment is an optional list of environment variables that
+ // affect the resource compiler result.
+ //
+ // Watch out for the environment not to affect any of the extracted
+ // information since we cache it.
+ //
+ struct nm_info
+ {
+ process_path path;
+ string id;
+ string signature;
+ string checksum;
+ const char* const* environment;
+ };
+
+ const nm_info&
+ guess_nm (context&, const path& nm, const char* paths);
}
}