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-rw-r--r--Src/zsh_system.h11
1 files changed, 3 insertions, 8 deletions
diff --git a/Src/zsh_system.h b/Src/zsh_system.h
index 6f4efce96..5c004d53e 100644
--- a/Src/zsh_system.h
+++ b/Src/zsh_system.h
@@ -82,12 +82,6 @@
  */
 #define _STRPTIME_DONTZERO
 
-#ifdef PROTOTYPES
-# define _(Args) Args
-#else
-# define _(Args) ()
-#endif
-
 #ifndef HAVE_ALLOCA
 # define alloca zhalloc
 #else
@@ -101,7 +95,7 @@
  #   pragma alloca
 #   else
 #    ifndef alloca
-char *alloca _((size_t));
+char *alloca (size_t);
 #    endif
 #   endif
 #  endif
@@ -783,7 +777,8 @@ extern char **environ;
  * We always need setenv and unsetenv in pairs, because
  * we don't know how to do memory management on the values set.
  */
-#if defined(HAVE_SETENV) && defined(HAVE_UNSETENV) && !defined(__APPLE__)
+#if defined(HAVE_SETENV) && defined(HAVE_UNSETENV) \
+    && !defined(SETENV_MANGLES_EQUAL)
 # define USE_SET_UNSET_ENV
 #endif