X-Git-Url: https://git.exim.org/exim.git/blobdiff_plain/7c814b450f089129e77af5067fd324ca5ec72383..cb570b5ea1ff234ae16b2c32a236ccd520a80f7a:/src/OS/os.h-HP-UX

diff --git a/src/OS/os.h-HP-UX b/src/OS/os.h-HP-UX
index 4998734f6..1b599231d 100644
--- a/src/OS/os.h-HP-UX
+++ b/src/OS/os.h-HP-UX
@@ -10,6 +10,7 @@
 #define FSCALE          1.0
 
 #define HAVE_SYS_STATVFS_H
+#define MISSING_UNSETENV_3
 
 #define F_FREESP           O_TRUNC
 #define NEED_H_ERRNO       1