Provide setenv/unsetenv for environments lacking them. Bug 1578

[exim.git] / src / OS / os.h-SunOS5

diff --git a/src/OS/os.h-SunOS5 b/src/OS/os.h-SunOS5
index dd14f25c8c7655474ebe1313ef22936b2291dec7..bb1d77fe9cff2c3025c5718e08d33b4722d35886 100644 (file)
--- a/src/OS/os.h-SunOS5
+++ b/src/OS/os.h-SunOS5
@@ -28,7 +28,13 @@ it seems. */
 
 #define PAM_CONVERSE_ARG2_TYPE  struct pam_message
 
+
 /* default is non-const */
 #define ICONV_ARG2_TYPE const char **
 
+#if _POSIX_C_SOURCE < 200112L
+# define MISSING_UNSETENV_3
+#endof
+
+
 /* End */