[PATCH] D37761: [LLD] [MinGW] Support creating DLLs with a def file

[Martin Storsjö via Phabricator via llvm-commits]

mstorsjo created this revision.

https://reviews.llvm.org/D37761

Files:
  MinGW/Driver.cpp
  test/MinGW/driver.test


Index: test/MinGW/driver.test
===================================================================
--- test/MinGW/driver.test
+++ test/MinGW/driver.test
@@ -26,6 +26,9 @@
 SHARED:      -out:a.dll
 SHARED-SAME: -dll
 
+RUN: ld.lld -### foo.o -m i386pep -shared foo.def | FileCheck -check-prefix=DEF %s
+DEF: -def:foo.def
+
 RUN: ld.lld -### foo.o -m i386pep -o bar.exe | FileCheck -check-prefix=OUT %s
 OUT: -out:bar.exe
 
Index: MinGW/Driver.cpp
===================================================================
--- MinGW/Driver.cpp
+++ MinGW/Driver.cpp
@@ -177,7 +177,10 @@
                                OPT_no_whole_archive)) {
     switch (A->getOption().getID()) {
     case OPT_INPUT:
-      Add(WholeArchivePrefix + StringRef(A->getValue()));
+      if (StringRef(A->getValue()).endswith(".def"))
+        Add("-def:" + StringRef(A->getValue()));
+      else
+        Add(WholeArchivePrefix + StringRef(A->getValue()));
       break;
     case OPT_l:
       Add(WholeArchivePrefix + searchLibrary(A->getValue(), SearchPaths, Args.hasArg(OPT_Bstatic)));


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