--- pmdk-1.10.1/src/Makefile.inc.orig	2022-02-01 10:57:54.530694627 -0500
+++ pmdk-1.10.1/src/Makefile.inc	2022-02-01 10:59:19.461777353 -0500
@@ -67,14 +67,10 @@ DEFAULT_CFLAGS += -DSTRINGOP_TRUNCATION_
 endif
 
 ifeq ($(DEBUG),1)
-# Undefine _FORTIFY_SOURCE in case it's set in system-default or
-# user-defined CFLAGS as it conflicts with -O0.
-DEBUG_CFLAGS += -Wp,-U_FORTIFY_SOURCE
-DEBUG_CFLAGS += -O0 -ggdb -DDEBUG
 LIB_SUBDIR = /pmdk_debug
 OBJDIR = debug
 else
-DEFAULT_CFLAGS += -O2 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2
+DEFAULT_CFLAGS += -O2 -g -D_FORTIFY_SOURCE=2
 LIB_SUBDIR =
 OBJDIR = nondebug
 endif
@@ -119,7 +115,7 @@ endif
 CFLAGS += $(EXTRA_CFLAGS)
 
 ifeq ($(DEBUG),1)
-CFLAGS += $(EXTRA_CFLAGS_DEBUG) $(DEBUG_CFLAGS)
+CFLAGS += $(EXTRA_CFLAGS_DEBUG) -DDEBUG
 else
 CFLAGS += $(EXTRA_CFLAGS_RELEASE)
 endif