Makefiles: Tweaked to build using clang/llvm

Converted makefiles and tweaked to make it all work with clang etc.

Welcome to the future!

Signed-off-by: Michel Pollet <buserror@gmail.com>

diff --git a/Makefile.common b/Makefile.common
index 75f687c..23dddec 100644 (file)
--- a/Makefile.common
+++ b/Makefile.common
@@ -30,13 +30,11 @@
 ARCH           = ${shell $(CC) -dumpmachine | sed -e 's/^x/i/' -e 's/\(.\).*/\1/'}
 
 CFLAGS         += -O2 -Wall
+CFLAGS         += -g
 ifeq ($(ARCH), i)
-CFLAGS         += -mfpmath=sse -msse2
+CFLAGS         += -msse2
 endif
 
-CFLAGS         += -g --std=gnu99 -Wall
-CFLAGS         += ${patsubst %,-I%,${subst :, ,${IPATH}}}
-
 ifeq (${shell uname}, Darwin)
 AVR_ROOT       := "/Applications/Arduino.app/Contents/Resources/Java/hardware/tools/avr/"
 AVR_INC        := ${AVR_ROOT}/avr-4/
@@ -53,7 +51,12 @@ AVR          := avr-
 CFLAGS                 += -fPIC
 endif
 
-CC                     ?= gcc
+CPPFLAGS       += --std=gnu99 -Wall
+CPPFLAGS       += ${patsubst %,-I%,${subst :, ,${IPATH}}}
+
+AVR_CPPFLAGS= ${CPPFLAGS} -idirafter ${AVR_INC}/include
+
+CC                     = gcc
 AR                     ?= ar
 RANLIB                 ?= ranlib
 MKDIR          ?= mkdir -p
@@ -104,22 +107,22 @@ endif
 # this rule has precedence
 ${OBJ}/sim_%.o : cores/sim_%.c
 ifeq ($(V),1)
-       $(CC) $(CFLAGS) -MMD \
-               -I${AVR_INC}/include/ \
+       $(CC) $(CPPFLAGS) $(CFLAGS) -MMD \
+               ${AVR_CPPFLAGS} \
                $<  -c -o $@
 else
-       @$(CC) $(CFLAGS) -MMD \
-               -I${AVR_INC}/include/ \
+       @$(CC) $(CPPFLAGS) $(CFLAGS) $(CFLAGS) -MMD \
+               ${AVR_CPPFLAGS} \
                $<  -c -o $@
        @echo CORE $<
 endif
 
 ${OBJ}/%.o: %.c
 ifeq ($(V),1)
-       $(CC) $(CFLAGS) -MMD \
+       $(CC) $(CPPFLAGS) $(CFLAGS) -MMD \
                $<  -c -o $@
 else
-       @$(CC) $(CFLAGS) -MMD \
+       @$(CC) $(CPPFLAGS) $(CFLAGS) -MMD \
                $<  -c -o $@
        @echo CC $<
 endif

diff --git a/simavr/Makefile b/simavr/Makefile
index 6155d5a..61e0efc 100644 (file)
--- a/simavr/Makefile
+++ b/simavr/Makefile
@@ -95,6 +95,12 @@ endif
 
 config: ${OBJ}/cores.deps sim_core_config.h sim_core_decl.h
 
+#
+# this tries to preprocess all the cores and decide
+# which ones have a chance of compiling at all. Some platform
+# ship with old version of avr-gcc and associated and needs
+# to be verified
+#
 sim_core_config.h ${OBJ}/cores.deps: $(cores) Makefile
        @echo CONF $@
        @conf=""; decl=""; array=""; \
@@ -102,7 +108,7 @@ sim_core_config.h ${OBJ}/cores.deps: $(cores) Makefile
        for core in cores/*.c ; do \
                file=$$core; global=$${core/cores\/sim_}; global=$${global/.c}; \
                upper=$$(echo $$global|tr '[a-z]' '[A-Z]'); \
-               if $(CC) -E $(CFLAGS) -I$(AVR_INC)/include $$file \
+               if $(CC) -E $(CFLAGS) ${AVR_CPPFLAGS} $$file \
                        >/dev/null 2>&1 ; then \
                        conf+="#define CONFIG_$$upper 1\n"; \
                        obj=$${file/.c/.o} ; obj=$${obj/cores\/}; \
@@ -118,6 +124,11 @@ sim_core_config.h ${OBJ}/cores.deps: $(cores) Makefile
          printf "#endif\n"; \
        ) >sim_core_config.h
 
+#
+# This take the config file that was generated, and create the static
+# table of all available cores for name lookups, as well as a C
+# config file
+#  
 sim_core_decl.h: sim_core_config.h $(cores) Makefile
        @echo CONF $@
        @decl=""; array=""; \

diff --git a/tests/Makefile b/tests/Makefile
index 922312c..7bc3d34 100644 (file)
--- a/tests/Makefile
+++ b/tests/Makefile
@@ -40,10 +40,10 @@ axf: ${sources:.c=.axf}
 
 ${OBJ}/%.tst: tests.c %.c
 ifeq ($(V),1)
-       $(CC) -MMD ${CFLAGS}  ${LFLAGS} -o $@ $^ $(LDFLAGS)
+       $(CC) -MMD ${CPPFLAGS} ${CFLAGS} ${LFLAGS} -o $@ ${patsubst %.h,, ${^}} $(LDFLAGS)
 else
        @echo TST $@
-       @$(CC) -MMD ${CFLAGS}  ${LFLAGS} -o $@ $^ $(LDFLAGS)
+       @$(CC) -MMD ${CPPFLAGS} ${CFLAGS} ${LFLAGS} -o $@ ${patsubst %.h,, ${^}} $(LDFLAGS)
 endif
 
 run_tests: all