1 files changed, 15 insertions, 0 deletions
diff --git a/compiler/options.nim b/compiler/options.nim
index 6054eb3a5..2f796afe6 100644
--- a/compiler/options.nim
+++ b/compiler/options.nim
@@ -884,3 +884,18 @@ proc floatInt64Align*(conf: ConfigRef): int16 =
       # to 4bytes (except with -malign-double)
       return 4
   return 8
+
+proc setOutFile*(conf: ConfigRef) =
+  proc libNameTmpl(conf: ConfigRef): string {.inline.} =
+    result = if conf.target.targetOS == osWindows: "$1.lib" else: "lib$1.a"
+
+  if conf.outFile.isEmpty:
+    let base = conf.projectName
+    let targetName =
+      if optGenDynLib in conf.globalOptions:
+        platform.OS[conf.target.targetOS].dllFrmt % base
+      elif optGenStaticLib in conf.globalOptions:
+        libNameTmpl(conf) % base
+      else:
+        base & platform.OS[conf.target.targetOS].exeExt
+    conf.outFile = RelativeFile targetName