package/dtc/0002-extra-cflags.patch

   1 Makefile: append the CFLAGS to existing ones
   2
   3 Allow the user to pass custom CFLAGS (eg. optimisation flags).
   4
   5 Do not use EXTRA_CFLAGS, append to existing CFLAGS with +=  (Arnout)
   6
   7 Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
   8 Cc: Arnout Vandecappelle <arnout@mind.be>
   9
  10 ---
  11 Patch not sent upstream.
  12
  13 Although not specific to buildroot, I am not sure this is the best
  14 way to handle user-supplied CFLAGS.
  15
  16 diff --git a/Makefile b/Makefile
  17 index 962f94eba661..bf6b317158cf 100644
  18 --- a/Makefile
  19 +++ b/Makefile
  20 @@ -16,9 +16,10 @@ LOCAL_VERSION =
  21  CONFIG_LOCALVERSION =
  22
  23  CPPFLAGS = -I libfdt -I .
  24 -WARNINGS = -Werror -Wall -Wpointer-arith -Wcast-qual -Wnested-externs \
  25 +WARNINGS = -Wall -Wpointer-arith -Wcast-qual -Wnested-externs \
  26         -Wstrict-prototypes -Wmissing-prototypes -Wredundant-decls -Wshadow
  27 -CFLAGS = -g -Os -fPIC -Werror $(WARNINGS)
  28 +CFLAGS ?= -g -Os
  29 +CFLAGS += -fPIC $(WARNINGS)
  30
  31  BISON = bison
  32  LEX = flex