Add support for the source_version cmdline option.
This is of the form A.B.C.D.E and to match ld64's behaviour, is
always output to files, even when the version is 0.
rdar://problem/24472630
llvm-svn: 259746
diff --git a/lld/lib/ReaderWriter/MachO/MachONormalizedFileBinaryWriter.cpp b/lld/lib/ReaderWriter/MachO/MachONormalizedFileBinaryWriter.cpp
index 0eb2b11..4e303dd 100644
--- a/lld/lib/ReaderWriter/MachO/MachONormalizedFileBinaryWriter.cpp
+++ b/lld/lib/ReaderWriter/MachO/MachONormalizedFileBinaryWriter.cpp
@@ -467,6 +467,10 @@
++count;
}
+ // Add LC_SOURCE_VERSION
+ size += sizeof(source_version_command);
+ ++count;
+
// If main executable add LC_MAIN
if (_file.fileType == llvm::MachO::MH_EXECUTE) {
size += sizeof(entry_point_command);
@@ -915,6 +919,17 @@
// LC_VERSION_MIN_TVOS
writeVersionMinLoadCommand(_file, _swap, lc);
+ // Add LC_SOURCE_VERSION
+ {
+ source_version_command* sv = reinterpret_cast<source_version_command*>(lc);
+ sv->cmd = LC_SOURCE_VERSION;
+ sv->cmdsize = sizeof(source_version_command);
+ sv->version = _file.sourceVersion;
+ if (_swap)
+ swapStruct(*sv);
+ lc += sizeof(source_version_command);
+ }
+
// If main executable, add LC_MAIN.
if (_file.fileType == llvm::MachO::MH_EXECUTE) {
// Build LC_MAIN load command.