--- src/Makefile.orig	2026-06-09 03:55:00.000000000 -0700
+++ src/Makefile	2026-06-17 12:20:53.693603000 -0700
@@ -47,10 +47,10 @@
 export RANLIB ?= ranlib
 
 export CFLAGS := -Wall
-export CXXFLAGS := -Wall -Wno-unused-parameter
+export CXXFLAGS ?= -Wall -Wno-unused-parameter
 C_CXX_FLAGS := -MMD -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -D_LARGE_FILES -I$(BASE_DIR) -I$(BASE_DIR)/Crypto -DARGON2_NO_THREADS -I$(BASE_DIR)/Crypto/Argon2/include
 export ASFLAGS := -D __GNUC__ -D __YASM__
-export LFLAGS :=
+export LFLAGS ?=
 
 export PKG_CONFIG ?= pkg-config
 export PKG_CONFIG_PATH ?= /usr/local/lib/pkgconfig