File allow-custom-cflags.patch of Package azimuth

diff -Nur azimuth-1.0.3/Makefile new/Makefile
--- azimuth-1.0.3/Makefile	2019-05-29 19:43:34.000000000 +0200
+++ new/Makefile	2021-04-10 19:28:24.478263008 +0200
@@ -34,7 +34,7 @@
 
 CFLAGS = -I$(SRCDIR) -Wall -Werror -Wempty-body -Winline \
          -Wmissing-field-initializers -Wold-style-definition -Wshadow \
-         -Wsign-compare -Wstrict-prototypes -Wundef
+         -Wsign-compare -Wstrict-prototypes -Wundef $(OPTFLAGS)
 
 ifeq "$(BUILDTYPE)" "debug"
   CFLAGS += -O1 -g
@@ -148,13 +148,13 @@
 
 define compile-sys
 	@echo "Compiling $@"
-	@mkdir -p $(@D)
-	@$(CC) -o $@ -c $< $(CFLAGS)
+	mkdir -p $(@D)
+	$(CC) -o $@ -c $< $(CFLAGS)
 endef
 define compile-c99
 	@echo "Compiling $@"
-	@mkdir -p $(@D)
-	@$(CC) -o $@ -c $< $(C99FLAGS)
+	mkdir -p $(@D)
+	$(CC) -o $@ -c $< $(C99FLAGS)
 endef
 define copy-file
 	@echo "Copying to $@"