[lld] r298568 - Print out "suppoted targets".
Rui Ueyama via llvm-commits
llvm-commits at lists.llvm.org
Wed Mar 22 18:00:22 PDT 2017
Author: ruiu
Date: Wed Mar 22 20:00:22 2017
New Revision: 298568
URL: http://llvm.org/viewvc/llvm-project?rev=298568&view=rev
Log:
Print out "suppoted targets".
This is to improve compatibility with GNU Libtool that expect
/supported targets:.* elf/ in a message for the -help option.
Differential Revision: https://reviews.llvm.org/D31208
Modified:
lld/trunk/ELF/DriverUtils.cpp
lld/trunk/test/ELF/driver.test
Modified: lld/trunk/ELF/DriverUtils.cpp
URL: http://llvm.org/viewvc/llvm-project/lld/trunk/ELF/DriverUtils.cpp?rev=298568&r1=298567&r2=298568&view=diff
==============================================================================
--- lld/trunk/ELF/DriverUtils.cpp (original)
+++ lld/trunk/ELF/DriverUtils.cpp Wed Mar 22 20:00:22 2017
@@ -119,6 +119,19 @@ opt::InputArgList ELFOptTable::parse(Arr
void elf::printHelp(const char *Argv0) {
ELFOptTable Table;
Table.PrintHelp(outs(), Argv0, "lld", false);
+ outs() << "\n";
+
+ // Scripts generated by Libtool versions up to at least 2.4.6 (the most
+ // recent version as of March 2017) expect /supported targets:.* elf/ in
+ // a message for the -help option. If it doesn't match, the scripts
+ // assume that the linker doesn't support very basic features such as
+ // shared libraries. Therefore, we need to print out at least "elf".
+ // Here, we print out all the targets that we support.
+ outs() << Argv0 << ": supported targets: "
+ << "elf32-i386 elf32-iamcu elf32-littlearm elf32-powerpc "
+ << "elf32-tradbigmips elf32-tradlittlemips elf32-x86-64 "
+ << "elf64-amdgpu elf64-littleaarch64 elf64-powerpc "
+ << "elf64-tradbigmips elf64-tradlittlemips elf64-x86-64\n";
}
// Reconstructs command line arguments so that so that you can re-run
Modified: lld/trunk/test/ELF/driver.test
URL: http://llvm.org/viewvc/llvm-project/lld/trunk/test/ELF/driver.test?rev=298568&r1=298567&r2=298568&view=diff
==============================================================================
--- lld/trunk/test/ELF/driver.test (original)
+++ lld/trunk/test/ELF/driver.test Wed Mar 22 20:00:22 2017
@@ -15,6 +15,7 @@
# RUN: ld.lld --help 2>&1 | FileCheck -check-prefix=HELP %s
# HELP: USAGE:
+# HELP: ld.lld: supported targets: {{.*}} elf
# RUN: ld.lld --version 2>&1 | FileCheck -check-prefix=VERSION %s
# VERSION: LLD {{.*}} (compatible with GNU linkers)
More information about the llvm-commits
mailing list