Makefile: Introduce TARGET_HAS_* variables

[pes-rpp/rpp-lib.git] / build / Makefile.rules.arm

diff --git a/build/Makefile.rules.arm b/build/Makefile.rules.arm
index 3fae3259b6dd1a3f9fd3efc54179ef2a9637294a..b818520605c70ebeacd13205d98b4d37b3c9e62e 100644 (file)
--- a/build/Makefile.rules.arm
+++ b/build/Makefile.rules.arm
@@ -40,7 +40,15 @@ LD=$(CC)
 # Include definition of $(rpp_lib_INCLUDES)
 include $(makefile_rules_arm_dir)/../Makefile.var
 
-RPP_CFLAGS = $(TARGET_CFLAGS) --gcc -I$(ARM_COMPILER_DIR)/include      \
+# Construct target specific CFLAGS. Start from what's in Makefile.config.
+RPP_TARGET_CFLAGS = $(TARGET_CFLAGS)
+
+# Then add -DTARGET_HAS_xxx for each make variable named TARGET_HAS_*
+# having value 'y'
+TARGET_HAS_NAMES = $(filter TARGET_HAS_%,$(.VARIABLES))
+RPP_TARGET_CFLAGS += $(foreach name,$(TARGET_HAS_NAMES),$(if $(filter y,$($(name))),-D$(name)))
+
+RPP_CFLAGS = $(RPP_TARGET_CFLAGS) --gcc -I$(ARM_COMPILER_DIR)/include  \
                $(rpp_lib_INCLUDES:%=-I$(makefile_rules_arm_dir)/../%)                  \
                --diag_warning=225 --display_error_number --diag_wrap=off               \
                --gen_func_subsections=on --enum_type=packed