[PATCH] D102514: [LLD][MinGW] Add --fatal-warnings and --no-fatal-warnings flags

[Martin Storsjö via Phabricator via llvm-commits]

This revision was automatically updated to reflect the committed changes.
Closed by commit rG84306ef9c442: [LLD][MinGW] Add --fatal-warnings and --no-fatal-warnings flags (authored by mati865, committed by mstorsjo).

Changed prior to commit:
  https://reviews.llvm.org/D102514?vs=345583&id=345775#toc

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D102514/new/

https://reviews.llvm.org/D102514

Files:
  lld/MinGW/Driver.cpp
  lld/MinGW/Options.td
  lld/test/MinGW/driver.test


Index: lld/test/MinGW/driver.test
===================================================================
--- lld/test/MinGW/driver.test
+++ lld/test/MinGW/driver.test
@@ -294,3 +294,12 @@
 RUN: ld.lld -### -m i386pep foo.o -no-demangle | FileCheck -check-prefix NO-DEMANGLE %s
 RUN: ld.lld -### -m i386pep foo.o --no-demangle | FileCheck -check-prefix NO-DEMANGLE %s
 NO-DEMANGLE: -demangle:no
+
+RUN: ld.lld -### -m i386pep foo.o -fatal-warnings | FileCheck -check-prefix FATAL_WARNINGS %s
+RUN: ld.lld -### -m i386pep foo.o --fatal-warnings | FileCheck -check-prefix FATAL_WARNINGS %s
+FATAL_WARNINGS: -WX{{ }}
+
+RUN: ld.lld -### -m i386pep foo.o | FileCheck -check-prefix NO-FATAL_WARNINGS %s
+RUN: ld.lld -### -m i386pep foo.o -no-fatal-warnings | FileCheck -check-prefix NO-FATAL_WARNINGS %s
+RUN: ld.lld -### -m i386pep foo.o --no-fatal-warnings | FileCheck -check-prefix NO-FATAL_WARNINGS %s
+NO-FATAL_WARNINGS: -WX:no
Index: lld/MinGW/Options.td
===================================================================
--- lld/MinGW/Options.td
+++ lld/MinGW/Options.td
@@ -45,6 +45,9 @@
     HelpText<"Don't automatically export any symbols">;
 def export_all_symbols: F<"export-all-symbols">,
     HelpText<"Export all symbols even if a def file or dllexport attributes are used">;
+defm fatal_warnings: B<"fatal-warnings",
+    "Treat warnings as errors",
+    "Do not treat warnings as errors (default)">;
 defm file_alignment: Eq<"file-alignment", "Set file alignment">;
 defm gc_sections: B<"gc-sections",
     "Remove unused sections",
Index: lld/MinGW/Driver.cpp
===================================================================
--- lld/MinGW/Driver.cpp
+++ lld/MinGW/Driver.cpp
@@ -290,6 +290,11 @@
     add("-debug:dwarf");
   }
 
+  if (args.hasFlag(OPT_fatal_warnings, OPT_no_fatal_warnings, false))
+    add("-WX");
+  else
+    add("-WX:no");
+
   if (args.hasArg(OPT_shared))
     add("-dll");
   if (args.hasArg(OPT_verbose))


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