#
# $Id$
#
# gcc 2.6.x compiler for a "native" nocpu/nobsp system
# Compiler (and tools) configuration
#
# Prefix on the installed GNU tools
# Just use the native tools
GNU_TOOLS_PREFIX=
# Additional target names (other than debug, profile)
TARGET_VARIANTS +=
#
# Pre-processor defines using the target options header file.
#
# Local tailoring (on the command line) can be done by setting XCFLAGS
# or XCPPFLAGS -- neither of which are never set in the Makefile's
#
CPPFLAGS=$(CFLAGS) $(XCPPFLAGS) $(DEFINES)
CPLUS_CPPFLAGS=$(CFLAGS) $(XCPPFLAGS) $(DEFINES)
# This section makes the target dependent options file.
# NDEBUG (C library)
# if defined asserts do not generate code. This is commonly used
# as a command line option.
#
# RTEMS_TEST_NO_PAUSE (RTEMS tests)
# do not pause between screens of output in the rtems tests
#
# NO_TABLE_MOVE (SPARC PORT)
# do not have a second trap table -- use the BSP's
#
# STACK_CHECKER_ON (RTEMS support code)
# If defined, stack bounds checking is enabled.
#
# RTEMS_DEBUG (RTEMS)
# If defined, debug checks in RTEMS and support library code are enabled.
define make-target-options
echo "/* #define NDEBUG 1 */ " >>$@
echo "#define RTEMS_TEST_NO_PAUSE 1" >>$@
echo "/* #define STACK_CHECKER_ON 1 */" >>$@
echo "/* #define RTEMS_DEBUG 1 */" >>$@
endef
#
# Local tailoring (on the command line) can be done by setting XCFLAGS
# which is never set in the Makefile's
#
#
# CFLAGS_OPTIMIZE_V, CFLAGS_DEBUG_V, CFLAGS_PROFILE_V are the values we
# would want the corresponding macros to be set to.
#
# CFLAGS_OPTIMIZE, CFLAGS_DEBUG, CFLAGS_PROFILE are set in the leaf
# Makefiles by the 'debug:' and 'profile:' targets to their _V values.
#
# default flags
#
# This contains the compiler options necessary to select the CPU model
# and (hopefully) optimize for it.
#
CPU_CFLAGS =
CFLAGS_DEFAULT = $(CPU_CFLAGS) -Wall -ansi -fasm
# optimize flag: typically -0, could use -O4 or -fast
# -O4 is ok for RTEMS
CFLAGS_OPTIMIZE_V=-O4 -fomit-frame-pointer
# debug flag; typically -g
CFLAGS_DEBUG_V=-g -Wno-unused
# when debugging, optimize flag: typically empty
# some compilers do allow optimization with their "-g"
CFLAGS_DEBUG_OPTIMIZE_V=
# profile flag; use gprof(1)
CFLAGS_PROFILE_V=-pg
# default is to optimize
CFLAGS_OPTIMIZE=$(CFLAGS_OPTIMIZE_V)
# dynamic libraries
CFLAGS_DYNAMIC_V=-fpic
# ASFLAGS_DYNAMIC_V=
CFLAGS=$(CFLAGS_DEFAULT) $(CFLAGS_OPTIMIZE) $(CFLAGS_DEBUG) $(CFLAGS_PROFILE) \
-I $(PROJECT_INCLUDE)
# List of library paths without -L
LD_PATHS= $(PROJECT_RELEASE)/lib
# libraries you want EVERYONE to link with
LD_LIBS=
# ld flag to ensure pure-text
LDFLAGS_MUST_BE_PURE_V =
# ld flag for [un]shared objects
LDFLAGS_STATIC_LIBRARIES_V =
LDFLAGS_SHARED_LIBRARIES_V =
# ld flag for incomplete link
LDFLAGS_INCOMPLETE = -r
# Special linker options when building lib.so
LDFLAGS_DYNAMIC_V = ??
# Some dynamic linking systems want the preferred name recorded in the binary
# ref: src/libxil/Makefile
LDFLAGS_DYNAMIC_LIBNAME_V = -h $(DYNAMIC_VERSION_LIBNAME)
# ld flags for profiling, debugging
LDFLAGS_PROFILE_V =
LDFLAGS_DEBUG_V =
LDFLAGS=$(LDFLAGS_PROFILE) $(LDFLAGS_DEBUG) $(LD_PATHS:%=-L %)
#
# Stuff to clean and clobber for the compiler and its tools
#
CLEAN_CC = a.out *.o *.BAK
CLOBBER_CC =
#
# Client compiler and support tools
#
CC=gcc
CXX=$(CC)
CCC=$(CXX)
# CPP command to write file to standard output
CPP=$(CC) -E
# flags set by cc when running cpp
CPP_CC_FLAGS=-D__STDC__
AS=as
ASPP=ERROR_NO_ASPP
ASFLAGS=
# NOTE: should never use full path .. but there is no guarantee ld, etc
# will be in the same directory as gcc.. so hope they are in the path
# Don't do this on a real target!!!
LD=ld
NM=nm
AR=ar
# egrep regexp to ignore symbol table entries in ar archives.
# Only used to make sure we skip them when coalescing libraries.
# skip __.SYMDEF and empty names (maybe bug in ranlib??).
AR_SYMBOL_TABLE="HIGHLY-UNLIKELY-TO-CONFLICT"
ARFLAGS=ruv
# NOTE: see comment on ld, nm, ar
SIZE=size
#
# Command to convert a normal archive to one searchable by $(LD)
# Not needed on SVR4
#
MKLIB=echo library is complete:
#
# How to compile stuff into ${ARCH} subdirectory
#
# NOTE: we override COMPILE.c
#
COMPILE.c=$(CC) $(CFLAGS) $(CPPFLAGS) $(XCFLAGS) -c
${ARCH}/%.o: %.c
${COMPILE.c} -o $@ $<
${ARCH}/%.o: %.cc
${COMPILE.c} -o $@ $<
${ARCH}/%.o: %.S
${COMPILE.c} -DASM -o $@ $<
${ARCH}/%.o: %.s
$(CPP) $(CPPFLAGS) - <$*.s >$(ARCH)/$*.i
$(AS) $(ASFLAGS) -o $@ $(ARCH)/$*.i
# $(RM) $(ARCH)/$*.i
# Specify our own default rule for this to prevent having CFLAGS and
# CPPFLAGS being passed to linker
${ARCH}/%: ${ARCH}/%.o
${CC} ${LDFLAGS} -o $@ $@.o ${LD_LIBS}
# Make foo.rel from foo.o
${ARCH}/%.rel: ${ARCH}/%.o
${LD} $(LDFLAGS_INCOMPLETE) -o $@ $^
# create $(ARCH)/pgm from pgm.sh
${ARCH}/%: %.sh
$(RM) $@
$(CP) $< $@
$(CHMOD) +x $@
# Dependency files for use by gmake
# NOTE: we don't put in $(TARGET_ARCH)
# so that 'make clean' doesn't blow it away
DEPEND=Depends-$(TARGET_ARCH:o-%=%)
CLEAN_DEPEND=$(DEPEND).tmp
CLOBBER_DEPEND=$(DEPEND)
# We deliberately don't have anything depend on the
# $(DEPEND) file; otherwise it will get rebuilt even
# on 'make clean'
#
depend: $(C_FILES) $(CC_FILES) $(S_FILES)
ifneq ($(words $(C_FILES) $(CC_FILES) $(S_FILES)), 0)
# Use gcc -M to generate dependencies
# Replace foo.o with $(ARCH)/foo.o
# Replace $(ARCH) value with string $(ARCH)
# so that it will for debug and profile cases
$(COMPILE.c) -M $^ | \
$(SED) -e 's?^\(.*\)\.o[ ]*:?$$(ARCH)/\1.o:?' \
-e 's?$(ARCH)/?$$(ARCH)/?' >$(DEPEND).tmp
$(MV) $(DEPEND).tmp $(DEPEND)
endif
# List (possibly empty) of required managers
# We require:
# region -- used by lib/libcsupport for malloc()
# ext -- used by libc for libc reentrancy hooks
MANAGERS_REQUIRED=region ext sem
# Create a RTEMS executable based on MANAGERS which was set in
# app's Makefile
MANAGERS_NOT_WANTED=$(filter-out $(MANAGERS), $(MANAGER_LIST))
MANAGERS_NOT_WANTED:=$(filter-out $(MANAGERS_REQUIRED), $(MANAGERS_NOT_WANTED))
# spell out all the LINK_FILE's, rather than using -lbsp, so
# that $(LINK_FILES) can be a dependency
# Start file must be one of
# $(PROJECT_RELEASE)/lib/start$(LIB_VARIANT).o
# $(PROJECT_RELEASE)/lib/asmiface$(LIB_VARIANT).o
# It defaults to start.o, but an app can override it.
# Note: Normally RTEMS provides a start file...
START_FILE=
CONSTRUCTOR=
LIBGCC = $(shell $(CC) $(CFLAGS) -print-libgcc-file-name $(GCCSED))
LINK_FILES= $(START_FILE) \
$(CONSTRUCTOR) \
$(OBJS) \
$(MANAGERS_NOT_WANTED:%=$(PROJECT_RELEASE)/lib/no-%$(LIB_VARIANT).rel) \
$(LD_LIBS) \
$(LIBC_EXTRA_LIBS) \
$(PROJECT_RELEASE)/lib/libtest$(LIBSUFFIX_VA) \
$(PROJECT_RELEASE)/lib/librtemsall$(LIBSUFFIX_VA) \
$(LIBC_LIBM) $(LIBC_LIBC) $(LIBGCC)
# Here is the rule to actually build a $(ARCH)/foo.exe
# It also builds $(ARCH)/foo.sr and $(ARCH)/foo.nm
# Usage ref: src/tests/sptest/sp1/Makefile
# On Solaris at least you need to had /usr/ucblib/libucb.a
define make-exe
$(CC) -o $(basename $@).exe $(LINK_FILES) -lc -lm
$(NM) -n $(basename $@).exe > $(basename $@).num
$(SIZE) $(basename $@).exe
endef
define make-rel
$(LD) $(LDFLAGS_INCOMPLETE) $(XLDFLAGS) -o $@ $(OBJS)
endef
