Fix mode, toast output dir

nimterop.nimble

@@ -7,7 +7,6 @@ license     = "MIT"
 
 bin = @["nimterop/toast"]
 installDirs = @["nimterop"]
-installFiles = @["config.nims"]
 
 # Dependencies
 requires "nim >= 0.20.2", "regex >= 0.14.1", "cligen >= 0.9.45"

nimterop/cimport.nim

@@ -100,6 +100,8 @@ proc getToastError(output: string): string =
   # Filter out preprocessor errors
   for line in output.splitLines():
     if "fatal error:" in line.toLowerAscii:
+      if result.len == 0:
+        result = "\n\nFailed in preprocessing, check if `cIncludeDir()` is needed or compiler `mode` is correct (c/cpp)"
       result &= "\n\nERROR:$1\n" % line.split("fatal error:")[1]
 
   # Toast error
@@ -135,7 +137,7 @@ proc getToast(fullpaths: seq[string], recurse: bool = false, dynlib: string = ""
   let toastExe = toastExePath()
   doAssert fileExists(toastExe), "toast not compiled: " & toastExe.sanitizePath &
     " make sure 'nimble build' or 'nimble install' built it"
-  cmd &= &"{toastExe} --preprocess"
+  cmd &= &"{toastExe} --preprocess -m:{mode}"
 
   if recurse:
     cmd.add " --recurse"
@@ -679,7 +681,7 @@ macro c2nImport*(filename: static string, recurse: static bool = false, dynlib:
   echo "# Importing " & fullpath & " with c2nim"
 
   let
-    output = getToast(@[fullpath], recurse, dynlib, noNimout = true)
+    output = getToast(@[fullpath], recurse, dynlib, mode, noNimout = true)
     hash = output.hash().abs()
     hpath = getProjectCacheDir("c2nimCache", forceClean = false) / "nimterop_" & $hash & ".h"
     npath = hpath[0 .. hpath.rfind('.')] & "nim"

nimterop/getters.nim

@@ -733,7 +733,7 @@ proc loadPlugin*(gState: State, sourcePath: string) =
         else: getNimConfigFlags(getCurrentDir())
 
       # Always set output to same directory as source, prevents override
-      outflags = &"--out:\"{pdll.extractFilename()}\" --outdir:\"{pdll.parentDir()}\""
+      outflags = &"--out:\"{pdll}\""
 
       # Compile plugin as library with `markAndSweep` GC
       cmd = &"{gState.nim.sanitizePath} c --app:lib --gc:markAndSweep {flags} {outflags} {sourcePath.sanitizePath}"

nimterop/toast.nims

@@ -1,3 +1,5 @@
+import os
+
 # Workaround for C++ scanner.cc causing link error with other C obj files
 when defined(MacOSX):
   switch("clang.linkerexe", "g++")
@@ -18,3 +20,6 @@ switch("path", "$nim")
 # Case objects
 when not defined(danger):
   switch("define", "nimOldCaseObjects")
+
+# Prevent outdir override
+switch("out", currentSourcePath.parentDir() / "toast".addFileExt(ExeExt))

tests/tsoloud.nims

@@ -0,0 +1,5 @@
+# Workaround for C++ scanner.cc causing link error with other C obj files
+when defined(MacOSX):
+  switch("clang.linkerexe", "g++")
+else:
+  switch("gcc.linkerexe", "g++")