http://llvm.org/bugs/show_bug.cgi?id=7292
Summary: Adding version ident to clang-compiled object files
Product: clang
Version: trunk
Platform: PC
OS/Version: All
Status: NEW
Severity: normal
Priority: P
Component: -New Bugs
AssignedTo: [email protected]
ReportedBy: [email protected]
CC: [email protected]
Unless using the -fno-ident option (which clang also supports :), gcc
adds a .ident statement to each .s file that is produced, e.g with the
FreeBSD standard gcc:
.ident "GCC: (GNU) 4.2.1 20070719 [FreeBSD]"
or with a more recent gcc build:
.ident "GCC: (GNU) 4.5.1 20100527 (prerelease)"
These .ident statements are usually (depending on arch) translated as
.comment sections in the produced .o files, and even propagate to the
final executable or shared library.
This is very handy to identify the specific compiler version (or
versions, even) later on, for example during bug-hunting, or some other
forensic post-mortem analysis.
Could something like this be added to clang? For example, using the
same version string that is shown with clang -v:
clang version 2.0 (trunk 105388)
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