commit baabc87d8b4de9fa0dd6d0417b83b95b57345372
author Fangrui Song <maskray@google.com> Sat May 11 01:14:50 2019 +0000
committer Fangrui Song <maskray@google.com> Sat May 11 01:14:50 2019 +0000
tree b25b8d36b096c1d4803b8253e0e6628057d2c958
parent 48803aa65c96857fb4245cd0d74a6b422d8f8ff6

[cc1as] Change -compress-debug-sections= to use --

The double dash form is documented by GNU as, used by gcc, and accepted by llvm-mc.

llvm-svn: 360495

clang/lib/Driver/ToolChains/Clang.cpp

diff --git a/clang/lib/Driver/ToolChains/Clang.cpp b/clang/lib/Driver/ToolChains/Clang.cpp
index b771bf0..2e17b4f 100644
--- a/clang/lib/Driver/ToolChains/Clang.cpp
+++ b/clang/lib/Driver/ToolChains/Clang.cpp
@@ -1007,7 +1007,7 @@
   if (checkDebugInfoOption(A, Args, D, TC)) {
     if (A->getOption().getID() == options::OPT_gz) {
       if (llvm::zlib::isAvailable())
-        CmdArgs.push_back("-compress-debug-sections");
+        CmdArgs.push_back("--compress-debug-sections");
       else
         D.Diag(diag::warn_debug_compression_unavailable);
       return;
@@ -1015,11 +1015,11 @@
 
     StringRef Value = A->getValue();
     if (Value == "none") {
-      CmdArgs.push_back("-compress-debug-sections=none");
+      CmdArgs.push_back("--compress-debug-sections=none");
     } else if (Value == "zlib" || Value == "zlib-gnu") {
       if (llvm::zlib::isAvailable()) {
         CmdArgs.push_back(
-            Args.MakeArgString("-compress-debug-sections=" + Twine(Value)));
+            Args.MakeArgString("--compress-debug-sections=" + Twine(Value)));
       } else {
         D.Diag(diag::warn_debug_compression_unavailable);
       }

clang/lib/Driver/ToolChains/Gnu.cpp

diff --git a/clang/lib/Driver/ToolChains/Gnu.cpp b/clang/lib/Driver/ToolChains/Gnu.cpp
index ecf02f9..9180afd 100644
--- a/clang/lib/Driver/ToolChains/Gnu.cpp
+++ b/clang/lib/Driver/ToolChains/Gnu.cpp
@@ -627,14 +627,12 @@
 
   if (const Arg *A = Args.getLastArg(options::OPT_gz, options::OPT_gz_EQ)) {
     if (A->getOption().getID() == options::OPT_gz) {
-      CmdArgs.push_back("-compress-debug-sections");
+      CmdArgs.push_back("--compress-debug-sections");
     } else {
       StringRef Value = A->getValue();
-      if (Value == "none") {
-        CmdArgs.push_back("-compress-debug-sections=none");
-      } else if (Value == "zlib" || Value == "zlib-gnu") {
+      if (Value == "none" || Value == "zlib" || Value == "zlib-gnu") {
         CmdArgs.push_back(
-            Args.MakeArgString("-compress-debug-sections=" + Twine(Value)));
+            Args.MakeArgString("--compress-debug-sections=" + Twine(Value)));
       } else {
         D.Diag(diag::err_drv_unsupported_option_argument)
             << A->getOption().getName() << Value;