mirror of
https://gitlab.rtems.org/rtems/rtos/rtems.git
synced 2025-11-16 12:34:45 +00:00
190 lines
4.7 KiB
INI
190 lines
4.7 KiB
INI
#
|
|
# Shared compiler for all GNU tools configurations
|
|
#
|
|
|
|
##
|
|
# CFLAGS_OPTIMIZE_V, CFLAGS_DEBUG_V are the values we
|
|
# would want the corresponding macros to be set to.
|
|
#
|
|
# CFLAGS_OPTIMIZE, CFLAGS_DEBUG are set in the leaf
|
|
# Makefiles by the 'debug:' targets to their _V values.
|
|
#
|
|
|
|
# default flags
|
|
# XCPPFLAGS, XCFLAGS, XCXXFLAGS, XASFLAGS
|
|
# are used to add flags from the shell
|
|
# cf. make.info ("Implicit rules/variables" for details)
|
|
|
|
# NOTE: Should these go to CPPFLAGS ?
|
|
CFLAGS_DEFAULT=-Wall
|
|
|
|
# NOTE: CPU_CFLAGS should probably be renamed to CPU_CPPFLAGS
|
|
# NOTE: CPU_DEFINES should probably be merged with CPU_CFLAGS
|
|
CPPFLAGS += $(CPU_DEFINES) $(CPU_CFLAGS) $(DEFINES) $(XCPPFLAGS)
|
|
CFLAGS = $(CFLAGS_DEFAULT) $(XCFLAGS)
|
|
CXXFLAGS = $(CFLAGS_DEFAULT) $(XCXXFLAGS)
|
|
ASFLAGS = $(CPU_ASFLAGS) $(XASFLAGS)
|
|
|
|
# NOTE: GCCSPECS probably belongs to CPPFLAGS
|
|
GCCSPECS_OPTIMIZE_V =
|
|
GCCSPECS_DEBUG_V =
|
|
|
|
GCCSPECS = -B$(PROJECT_RELEASE)/lib/ -specs bsp_specs -qrtems
|
|
GCCSPECS += $(GCCSPECS_$(VARIANT_V)_V)
|
|
|
|
CC += $(GCCSPECS)
|
|
CXX += $(GCCSPECS)
|
|
|
|
CPPFLAGS +=
|
|
|
|
# Define this to yes if C++ is included in the development environment.
|
|
# This requires that at least the GNU C++ compiler and libg++ be installed.
|
|
ifeq ($(HAS_CPLUSPLUS),yes)
|
|
CPLUS_LD_LIBS += $(PROJECT_RELEASE)/lib/librtems++$(LIBSUFFIX_VA)
|
|
endif
|
|
|
|
# debug flag;
|
|
CFLAGS_DEBUG_V ?= -O0 -g
|
|
CXXFLAGS_DEBUG_V ?= $(CFLAGS_DEBUG_V)
|
|
|
|
# when debugging, optimize flag: typically empty
|
|
# some compilers do allow optimization with their "-g"
|
|
CFLAGS_OPTIMIZE_V ?= -O2 -g
|
|
CXXFLAGS_OPTIMIZE_V ?= $(CFLAGS_OPTIMIZE_V)
|
|
|
|
ifndef AUTOMAKE
|
|
CPPFLAGS_$(VARIANT)=$(CPPFLAGS_$(VARIANT)_V)
|
|
CFLAGS_$(VARIANT) =$(CFLAGS_$(VARIANT)_V)
|
|
CXXFLAGS_$(VARIANT)=$(CXXFLAGS_$(VARIANT)_V)
|
|
endif
|
|
|
|
ifndef AUTOMAKE
|
|
CPPFLAGS += $(CPPFLAGS_OPTIMIZE) $(CPPFLAGS_DEBUG)
|
|
CFLAGS += $(CFLAGS_OPTIMIZE) $(CFLAGS_DEBUG)
|
|
CXXFLAGS += $(CXXFLAGS_OPTIMIZE) $(CXXFLAGS_DEBUG)
|
|
endif
|
|
|
|
# List of library paths without -L
|
|
LD_PATHS= $(PROJECT_RELEASE)/lib
|
|
|
|
# ld flag for incomplete link
|
|
LDFLAGS_INCOMPLETE = -r
|
|
|
|
# LDFLAGS=$(LDFLAGS_DEBUG) $(LD_PATHS:%=-L%)
|
|
LDFLAGS += $(LDFLAGS_DEBUG)
|
|
|
|
#
|
|
# Stuff to clean and clobber for the compiler and its tools
|
|
#
|
|
|
|
CLEAN_CC = a.out *.o *.BAK
|
|
CLOBBER_CC =
|
|
|
|
#
|
|
# Client compiler and support tools
|
|
#
|
|
|
|
# CPP command to write file to standard output with warnings suppressed
|
|
CPP=$(CC) -E -w
|
|
|
|
# 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
|
|
|
|
#
|
|
# How to compile stuff into ${ARCH} subdirectory
|
|
#
|
|
|
|
${ARCH}/%.o: %.c
|
|
${COMPILE.c} $(AM_CPPFLAGS) $(AM_CFLAGS) -o $@ $<
|
|
|
|
${ARCH}/%.o: %.cc
|
|
${COMPILE.cc} $(AM_CPPFLAGS) $(AM_CXXFLAGS) -o $@ $<
|
|
|
|
${ARCH}/%.o: %.cpp
|
|
${COMPILE.cc} $(AM_CPPFLAGS) $(AM_CXXFLAGS) -o $@ $<
|
|
|
|
${ARCH}/%.o: %.cxx
|
|
${COMPILE.cc} $(AM_CPPFLAGS) $(AM_CXXFLAGS) -o $@ $<
|
|
|
|
${ARCH}/%.o: %.C
|
|
${COMPILE.cc} $(AM_CPPFLAGS) $(AM_CXXFLAGS) -o $@ $<
|
|
|
|
${ARCH}/%.o: %.S
|
|
${COMPILE.S} $(AM_CPPFLAGS) -DASM -o $@ $<
|
|
|
|
# Make foo.rel from foo.o
|
|
${ARCH}/%.rel: ${ARCH}/%.o
|
|
${make-rel}
|
|
|
|
# create $(ARCH)/pgm from pgm.sh
|
|
${ARCH}/%: %.sh
|
|
$(RM) $@
|
|
$(CP) $< $@
|
|
$(CHMOD) +x $@
|
|
|
|
# Dependency files for use by gmake
|
|
# NOTE: we don't put them into $(ARCH)
|
|
# so that 'make clean' doesn't blow it away
|
|
|
|
DEPEND=Depends-${ARCH}
|
|
|
|
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-am: $(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 cases
|
|
$(COMPILE.c) $(AM_CPPFLAGS) $(AM_CFLAGS) -M $^ | \
|
|
$(SED) -e 's?^\(.*\)\.o[ ]*:?$$(ARCH)/\1.o:?' \
|
|
-e 's?$(ARCH)/?$$(ARCH)/?' >$(DEPEND).tmp
|
|
$(MV) $(DEPEND).tmp $(DEPEND)
|
|
endif
|
|
depend: depend-am
|
|
|
|
# spell out all the LINK_FILE's, rather than using -lbsp, so
|
|
# that $(LINK_FILES) can be a dependency
|
|
|
|
#
|
|
# NOTE: a rule to link an rtems' application should look similar to this
|
|
# (cf. "make-exe" in make/custom/*.cfg):
|
|
#
|
|
# gcc28:
|
|
# $(PGM): $(LINK_FILES)
|
|
# $(CC) $(CFLAGS) -o $@ $(LINK_OBJS) $(LINK_LIBS)
|
|
#
|
|
|
|
LINK_OBJS =\
|
|
$(CONSTRUCTOR) \
|
|
$(OBJS)
|
|
|
|
LINK_FILES =\
|
|
$(CONSTRUCTOR) \
|
|
$(OBJS) \
|
|
$(PROJECT_RELEASE)/lib/librtemsbsp$(LIBSUFFIX_VA) \
|
|
$(PROJECT_RELEASE)/lib/librtemscpu$(LIBSUFFIX_VA)
|
|
|
|
LINK_LIBS += $(LD_LIBS)
|
|
|
|
#
|
|
# Allow user to override link commands (to build a prom image, perhaps)
|
|
#
|
|
ifndef LINKCMDS
|
|
LINKCMDS=$(PROJECT_RELEASE)/lib/linkcmds
|
|
endif
|
|
|
|
define make-rel
|
|
$(LINK.c) $(CFLAGS) $(AM_CFLAGS) $(AM_LDFLAGS) \
|
|
-qnolinkcmds -nostdlib -Wl,-r $(XLDFLAGS) -o $@ $^
|
|
endef
|