Makefile: suppress pkg-config error

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/cgit.mk b/cgit.mk
index 2e2992f..5048b09 100644
--- a/cgit.mk
+++ b/cgit.mk
@@ -31,7 +31,7 @@ ifdef NO_LUA
 else
 ifeq ($(LUA_PKGCONFIG),)
         LUA_PKGCONFIG := $(shell for pc in luajit lua lua5.2 lua5.1; do \
-                        pkg-config --exists $$pc && echo $$pc && break; \
+                        pkg-config --exists $$pc 2>/dev/null && echo $$pc && break; \
                         done)
         LUA_MODE := autodetected
 else