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-rw-r--r--Build/source/texk/web2c/luatexdir/lua/loslibext.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/Build/source/texk/web2c/luatexdir/lua/loslibext.c b/Build/source/texk/web2c/luatexdir/lua/loslibext.c
index 05a96688441..e79e3a52a98 100644
--- a/Build/source/texk/web2c/luatexdir/lua/loslibext.c
+++ b/Build/source/texk/web2c/luatexdir/lua/loslibext.c
@@ -410,7 +410,7 @@ static int os_setenv (lua_State *L) {
return luaL_error(L, "unable to change environment");
}
} else {
-#if defined(WIN32) || defined(__sun__) || defined(_AIX)
+#if defined(WIN32) || defined(__sun__) || defined(__sun) || defined(_AIX)
value = xmalloc(strlen(key)+2);
sprintf(value,"%s=",key);
if (putenv(value)) {