Use proper compiler (as per Sebastian's suggestions)

OAR/Makefile

 # Configuration section
 #
 # Use environment variables if found, otherwise fallback to sane defaults
+
+# If not explicitely selected (with 'make FPU=1'), compile for FPU emulation
+ifeq ($(FPU),)
+FPU=0
+endif
+
+# To be able to properly handle any combination of (FPU, LEON, release) 
+# options, create a SUFFIX (see below) to differentiate output folders
+ifeq ($(FPU),1)
+FPU_SUFFIX=FPU
+else
+FPU_SUFFIX=NONFPU
+endif
+
+# Build up our settings from our inputs and our environment
 LEON ?= leon3
-RTEMS ?= /opt/rtems-4.11-2016.04.01.FPU
+RTEMS ?= /opt/rtems-4.11-2016.04.01.${FPU_SUFFIX}
 RTEMS_MAKEFILE_PATH ?= ${RTEMS}/sparc-rtems4.11/${LEON}
 RTEMS_LIB=${RTEMS_MAKEFILE_PATH}/lib
 CROSS_PREFIX=sparc-rtems4.11
 
-# Detect the platform (last part of the path of RTEMS_MAKEFILE_PATH - e.g. leon3, leon2, etc)
-PLATFORM = $(shell sh -c "echo ${RTEMS_MAKEFILE_PATH} | sed 's,^.*/,,'")
+# If not selected, compile debug version of binary (no optimizations)
+#ifeq ($(CFG),)
+#CFG=debug
+#endif
 
 # The directories containing the source files, separated by ':'
 VPATH=src
 
-# If not selected, compile debug version of binary (no optimizations)
-ifeq ($(CFG),)
-CFG=debug
-endif
-
-# If not explicitely selected (with 'make FPU=1'), compile for FPU emulation
-ifeq ($(FPU),)
-FPU=0
-endif
-
 # Your source files: regardless of where they reside in the source tree,
 # VPATH will locate them...
 NONFPU_SRC= \
-	init.c
+	init.c \
+	task2.c
 
+# Code that must be compiled with native FPU enabled (when FPU=1 is passed)
 FPU_SRC= \
-	task1.c \
-	task2.c
+	task1.c
+
+SUFFIX=$(CFG).$(FPU_SUFFIX).$(LEON)
 
 # Build a Dependency list and an Object list, by replacing the .c
 # extension to .d for dependency files, and .o for object files.
-NONFPU_DEP = $(patsubst %.c, deps.$(CFG)/NONFPU_%.d, ${NONFPU_SRC})
-FPU_DEP = $(patsubst %.c, deps.$(CFG)/FPU_%.d, ${FPU_SRC})
-NONFPU_OBJ = $(patsubst %.c, objs.$(CFG)/NONFPU_%.o, ${NONFPU_SRC})
-FPU_OBJ = $(patsubst %.c, objs.$(CFG)/FPU_%.o, ${FPU_SRC})
+NONFPU_DEP = $(patsubst %.c, deps.$(SUFFIX)/NONFPU_%.d, ${NONFPU_SRC})
+FPU_DEP = $(patsubst %.c, deps.$(SUFFIX)/FPU_%.d, ${FPU_SRC})
+NONFPU_OBJ = $(patsubst %.c, objs.$(SUFFIX)/NONFPU_%.o, ${NONFPU_SRC})
+FPU_OBJ = $(patsubst %.c, objs.$(SUFFIX)/FPU_%.o, ${FPU_SRC})
 
 # Your final binary
 TARGET=fputest
@@ -59,16 +69,16 @@ COMMON += -B${RTEMS_LIB} -specs bsp_specs -qrtems \
 
 # Separate compile options per configuration
 ifeq ($(CFG),debug)
-CFLAGS += ${COMMON} -g -D_DEBUG ${INCLUDEFLAGS} -msoft-float
+CFLAGS += ${COMMON} -g -D_DEBUG ${INCLUDEFLAGS}
 else
-CFLAGS += ${COMMON} -g -O2 ${INCLUDEFLAGS} -msoft-float
+CFLAGS += ${COMMON} -g -O2 ${INCLUDEFLAGS}
 endif
 
 # Should we generate native FPU instructions for the FPU_SRC?
 ifeq ($(FPU),1)
-CFLAGS:=$(shell bash -c "echo ${CFLAGS} | sed 's,-msoft-float,,'")
 CFLAGS_FPU:=${CFLAGS}
 else
+CFLAGS += -msoft-float
 CFLAGS_FPU:=${CFLAGS}
 LDFLAGS += -msoft-float
 endif
@@ -76,22 +86,29 @@ endif
 # A common link flag for all configurations
 LDFLAGS += ${COMMON} -Wl,--gc-sections
 
-all:	inform bin.$(CFG)/${TARGET}
+all:	inform bin.$(SUFFIX)/${TARGET}
 
 inform:
 ifneq ($(CFG),release)
 ifneq ($(CFG),debug)
-	@echo "Invalid configuration "$(CFG)" specified."
+	@echo " "
+	@echo "Invalid or missing configuration (CFG) "$(CFG)" specified."
+	@echo " "
 	@echo "You must specify a configuration when running make, e.g."
-	@echo  "make CFG=debug"
-	@echo  
-	@echo  "Possible choices for configuration are 'release' and 'debug'"
+	@echo " "
+	@echo "    make CFG=debug LEON=leon3 FPU=1 V=1"
+	@echo " "
+	@echo "- Possible choices for CFG are 'release' and 'debug'"
+	@echo "- Possible choices for LEON are 'leon2' and 'leon3' (default)"
+	@echo "- Possible choices for FPU are '1' (native) and '0' (emulated) (default)"
+	@echo "- Possible choices for V are '1' (show commands) and '0' (silent) (default)"
+	@echo " "
 	@exit 1
 endif
 endif
 
 
-bin.$(CFG)/${TARGET}: ${NONFPU_OBJ} ${FPU_OBJ} | inform
+bin.$(SUFFIX)/${TARGET}: ${NONFPU_OBJ} ${FPU_OBJ} | inform
 	@mkdir -p $(dir $@)
 ifeq ($(V),1)
 	$(CC) -g -o $@ $^ ${LDFLAGS}
@@ -103,9 +120,9 @@ ifeq ($(CFG),release)
 	@${CROSS_PREFIX}-objcopy --only-keep-debug $@ ${@}.debug
 	@${CROSS_PREFIX}-strip $@
 endif
-	@echo Built with RTEMS at ${RTEMS_LIB} for ${PLATFORM}.
+	@echo Built with RTEMS at ${RTEMS_LIB} for ${LEON}.
 
-objs.$(CFG)/NONFPU_%.o: %.c
+objs.$(SUFFIX)/NONFPU_%.o: %.c
 	@mkdir -p $(dir $@)
 ifeq ($(V),1)
 	$(CC) -c $(CFLAGS) -o $@ $<
@@ -114,7 +131,7 @@ else
 	@$(CC) -c $(CFLAGS) -o $@ $<
 endif
 
-objs.$(CFG)/FPU_%.o: %.c
+objs.$(SUFFIX)/FPU_%.o: %.c
 	@mkdir -p $(dir $@)
 ifeq ($(V),1)
 	$(CC) -c $(CFLAGS_FPU) -o $@ $<
@@ -123,14 +140,14 @@ else
 	@$(CC) -c $(CFLAGS_FPU) -o $@ $<
 endif
 
-deps.$(CFG)/NONFPU_%.d: %.c
+deps.$(SUFFIX)/NONFPU_%.d: %.c
 	@mkdir -p $(dir $@)
 	@echo Generating dependencies for $<
 	@set -e ; $(CDEP) -MM -MP $(INCLUDEFLAGS) $< > $@.$$$$; \
 	sed 's,\($*\)\.o[ :]*,objs.$(CFG)\/NONFPU_\1.o $@ : ,g' < $@.$$$$ > $@; \
 	rm -f $@.$$$$
 
-deps.$(CFG)/FPU_%.d: %.c
+deps.$(SUFFIX)/FPU_%.d: %.c
 	@mkdir -p $(dir $@)
 	@echo Generating dependencies for $<
 	@set -e ; $(CDEP) -MM -MP $(INCLUDEFLAGS) $< > $@.$$$$; \
@@ -138,9 +155,7 @@ deps.$(CFG)/FPU_%.d: %.c
 	rm -f $@.$$$$
 
 clean:
-	@rm -rf \
-	deps.debug objs.debug bin.debug \
-	deps.release objs.release bin.release
+	@rm -rf deps.* objs.* bin.*
 
 # Unless "make clean" is called, include the dependency files
 # which are auto-generated. Don't fail if they are missing

OAR/src/init.c

@@ -27,7 +27,7 @@ rtems_task Init(rtems_task_argument argument)
             RTEMS_MINIMUM_STACK_SIZE,
             RTEMS_DEFAULT_MODES,  // use RTEMS_DEFAULT_MODES | RTEMS_TIMESLICE for Linux/Windows like
                                   // handling of tasks with same priority (i.e. pre-emption)
-            i == 0 ? RTEMS_FLOATING_POINT : RTEMS_DEFAULT_ATTRIBUTES,
+            i == 1 ? RTEMS_FLOATING_POINT : RTEMS_DEFAULT_ATTRIBUTES,
             &Task_id[i]);
 	if (status != RTEMS_SUCCESSFUL) {
 	    printf("Failed to rtems_task_create... status:%0x\n", status);
@@ -37,7 +37,7 @@ rtems_task Init(rtems_task_argument argument)
         // Start Task
         status = rtems_task_start(
             Task_id[i],
-            i == 0 ? Task1_EntryPoint : Task2_EntryPoint,
+            i == 1 ? Task1_EntryPoint : Task2_EntryPoint,
             i);
     }
     printf("Parent task sleeps for a second...\n");