osproc: MacOSX workaround for lack of execvpe

1 files changed, 10 insertions, 1 deletions

diff --git a/lib/pure/osproc.nim b/lib/pure/osproc.nim
index 79a4de04b..4e17d3e02 100644
--- a/lib/pure/osproc.nim
+++ b/lib/pure/osproc.nim
@@ -779,6 +779,9 @@ elif not defined(useNimRtl):
     discard write(data.pErrorPipe[writeIdx], addr error, sizeof(error))
     exitnow(1)
 
+  when defined(macosx):
+    var environ {.importc.}: cstringArray
+
   proc startProcessAfterFork(data: ptr TStartProcessData) =
     # Warning: no GC here!
     # Or anythink that touches global structures - all called nimrod procs
@@ -806,7 +809,13 @@ elif not defined(useNimRtl):
     discard fcntl(data.pErrorPipe[writeIdx], F_SETFD, FD_CLOEXEC)
 
     if data.optionPoUsePath:
-      discard execvpe(data.sysCommand, data.sysArgs, data.sysEnv)
+      when defined(macosx):
+        # MacOSX doesn't have execvpe, so we need workaround.
+        # On MacOSX we can arrive here only from fork, so this is safe:
+        environ = data.sysEnv
+        discard execvp(data.sysCommand, data.sysArgs)
+      else:
+        discard execvpe(data.sysCommand, data.sysArgs, data.sysEnv)
     else:
       discard execve(data.sysCommand, data.sysArgs, data.sysEnv)