shithub: rgbds

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Allow env vars to override default CFLAGS etc.

Should make the work easier for downstream packagers

--- a/Makefile

+++ b/Makefile

@@ -32,17 +32,17 @@

 WARNFLAGS	:= -Wall

 # Overridable CFLAGS

-CFLAGS		:= -O3

+CFLAGS		?= -O3

 # Non-overridable CFLAGS

 REALCFLAGS	:= ${CFLAGS} ${WARNFLAGS} -std=gnu11 -D_POSIX_C_SOURCE=200809L \

 		   -Iinclude

 # Overridable LDFLAGS

-LDFLAGS		:=

+LDFLAGS		?=

 # Non-overridable LDFLAGS

 REALLDFLAGS	:= ${LDFLAGS} ${WARNFLAGS} \

 		   -DBUILD_VERSION_STRING=\"${VERSION_STRING}\"

-YFLAGS		:=

+YFLAGS		?=

 YACC		:= yacc

 RM		:= rm -rf