--- libcap-2.28/Make.Rules.orig	2019-12-07 21:10:11.000000000 +0100
+++ libcap-2.28/Make.Rules	2019-12-12 19:31:59.704359343 +0100
@@ -49,7 +49,7 @@
 IPATH += -fPIC -I$(KERNEL_HEADERS) -I$(topdir)/libcap/include
 
 CC := gcc
-CFLAGS := -O2 -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64
+CFLAGS := $(OPT_CFLAGS) -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64
 BUILD_CC := $(CC)
 BUILD_CFLAGS := $(CFLAGS) $(IPATH)
 AR := ar
@@ -60,7 +60,7 @@
         -Wstrict-prototypes -Wmissing-prototypes \
         -Wnested-externs -Winline -Wshadow
 LD=$(CC) -Wl,-x -shared
-LDFLAGS := #-g
+LDFLAGS := $(OPT_LDFLAGS) #-g
 LIBCAPLIB := -L$(topdir)/libcap -lcap
 LIBPSXLIB := -L$(topdir)/libcap -lpsx -lpthread