##
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##
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## compile.am,v 1.4 2002/07/26 12:51:02 ralf Exp
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## compile.am,v 1.4 2002/07/26 12:51:02 ralf Exp
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##
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##
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## -------------------------------------------------------------------------
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## -------------------------------------------------------------------------
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## NOTE: This file is rather immature and has to be considered to be
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## NOTE: This file is rather immature and has to be considered to be
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## almost experimental.
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## almost experimental.
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##
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##
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## Expect frequent changes -- It deserves to be cleaned up :(
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## Expect frequent changes -- It deserves to be cleaned up :(
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## -------------------------------------------------------------------------
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## -------------------------------------------------------------------------
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## The section below is based on make/compilers/gcc-target-default.cfg
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## The section below is based on make/compilers/gcc-target-default.cfg
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## used in former versions of RTEMS.
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## used in former versions of RTEMS.
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##
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##
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## Set up the flags for the toolchains:
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## Set up the flags for the toolchains:
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##
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##
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## We are considering 3 different building schemes here:
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## We are considering 3 different building schemes here:
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## * Using gcc's being able to accept -specs (aka gcc-2.8 building scheme)
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## * Using gcc's being able to accept -specs (aka gcc-2.8 building scheme)
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## * Using gcc's not being able to accept -specs (aka gcc-2.7.2 building
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## * Using gcc's not being able to accept -specs (aka gcc-2.7.2 building
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## scheme)
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## scheme)
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## * Using third party toolchains (aka non-gcc building scheme)
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## * Using third party toolchains (aka non-gcc building scheme)
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##
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##
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## Automake conditionals in use:
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## Automake conditionals in use:
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## RTEMS_USE_GCC .. if we are using GCC
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## RTEMS_USE_GCC .. if we are using GCC
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## NOTES:
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## NOTES:
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## * The gcc-2.8 building scheme is the nominal building scheme and
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## * The gcc-2.8 building scheme is the nominal building scheme and
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## is actively supported.
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## is actively supported.
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## * The non-gcc building scheme requires manually setting up environment
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## * The non-gcc building scheme requires manually setting up environment
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## variables and is hardly tested at all
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## variables and is hardly tested at all
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## CFLAGS_OPTIMIZE_V, CFLAGS_DEBUG_V, CFLAGS_PROFILE_V are the values we
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## CFLAGS_OPTIMIZE_V, CFLAGS_DEBUG_V, CFLAGS_PROFILE_V are the values we
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## would want the corresponding macros to be set to.
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## would want the corresponding macros to be set to.
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##
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##
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## CFLAGS_OPTIMIZE, CFLAGS_DEBUG, CFLAGS_PROFILE are set by the
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## CFLAGS_OPTIMIZE, CFLAGS_DEBUG, CFLAGS_PROFILE are set by the
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## 'VARIANT=' targets to their _V values.
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## 'VARIANT=' targets to their _V values.
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## XCPPFLAGS, XCFLAGS, XASFLAGS
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## XCPPFLAGS, XCFLAGS, XASFLAGS
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## are used to add flags from the shell
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## are used to add flags from the shell
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## cf. make.info ("Implicit rules/variables" for details)
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## cf. make.info ("Implicit rules/variables" for details)
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if RTEMS_USE_GCC
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if RTEMS_USE_GCC
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## All the stuff below is specific to gcc
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## All the stuff below is specific to gcc
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CFLAGS_DEFAULT=-g -Wall
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CFLAGS_DEFAULT=-g -Wall
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## gcc >= 2.8.x
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## gcc >= 2.8.x
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GCCSPECS = $(GCC_SPECS)
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GCCSPECS = $(GCC_SPECS)
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else
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else
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## fall back to the old style compilers/*.cfg
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## fall back to the old style compilers/*.cfg
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## CONFIG.CC is supposed to be provided by .cfg
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## CONFIG.CC is supposed to be provided by .cfg
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include $(CONFIG.CC)
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include $(CONFIG.CC)
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endif # RTEMS_USE_GCC
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endif # RTEMS_USE_GCC
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DEFS = @DEFS@
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DEFS = @DEFS@
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CPPFLAGS = @CPPFLAGS@ $(CPU_DEFINES) \
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CPPFLAGS = @CPPFLAGS@ $(CPU_DEFINES) \
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$(DEFINES) $(XCPPFLAGS) $(CPPFLAGS_GCC)
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$(DEFINES) $(XCPPFLAGS) $(CPPFLAGS_GCC)
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CFLAGS = $(CFLAGS_DEFAULT) $(CPU_CFLAGS) $(XCFLAGS)
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CFLAGS = $(CFLAGS_DEFAULT) $(CPU_CFLAGS) $(XCFLAGS)
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ASFLAGS = $(CPU_ASFLAGS) $(CPU_CFLAGS) $(XASFLAGS)
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ASFLAGS = $(CPU_ASFLAGS) $(CPU_CFLAGS) $(XASFLAGS)
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## FIXME: This doesn't seem to be correct
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## FIXME: This doesn't seem to be correct
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# when debugging, optimize flag: typically empty
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# when debugging, optimize flag: typically empty
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# some compilers do allow optimization with their "-g"
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# some compilers do allow optimization with their "-g"
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CFLAGS_DEBUG_OPTIMIZE_V=-g
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CFLAGS_DEBUG_OPTIMIZE_V=-g
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# profile flag; use gprof(1)
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# profile flag; use gprof(1)
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CFLAGS_PROFILE_V=-pg
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CFLAGS_PROFILE_V=-pg
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#
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#
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# How to compile stuff into ${ARCH} subdirectory
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# How to compile stuff into ${ARCH} subdirectory
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#
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#
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COMPILE = $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) \
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COMPILE = $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) \
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$(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
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$(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
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CCLD = $(CC)
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CCLD = $(CC)
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CCASCOMPILE = $(CCAS) $(AM_CCASFLAGS) $(CCASFLAGS)
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CCASCOMPILE = $(CCAS) $(AM_CCASFLAGS) $(CCASFLAGS)
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${ARCH}/%.$(OBJEXT): %.c
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${ARCH}/%.$(OBJEXT): %.c
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${COMPILE} -o $@ -c $<
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${COMPILE} -o $@ -c $<
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${ARCH}/%.$(OBJEXT): %.S
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${ARCH}/%.$(OBJEXT): %.S
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${CCASCOMPILE} -o $@ -c $<
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${CCASCOMPILE} -o $@ -c $<
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# Make foo.rel from foo.$(OBJEXT)
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# Make foo.rel from foo.$(OBJEXT)
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${ARCH}/%.rel: ${ARCH}/%.$(OBJEXT)
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${ARCH}/%.rel: ${ARCH}/%.$(OBJEXT)
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${make-rel}
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${make-rel}
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# Dependency files for use by gmake
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# Dependency files for use by gmake
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# NOTE: we don't put them into $(ARCH)
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# NOTE: we don't put them into $(ARCH)
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# so that 'make clean' doesn't blow it away
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# so that 'make clean' doesn't blow it away
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DEPEND=Depends-${ARCH}
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DEPEND=Depends-${ARCH}
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CLEAN_DEPEND=$(DEPEND).tmp
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CLEAN_DEPEND=$(DEPEND).tmp
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CLOBBER_DEPEND=$(DEPEND)
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CLOBBER_DEPEND=$(DEPEND)
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# We deliberately don't have anything depend on the
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# We deliberately don't have anything depend on the
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# $(DEPEND) file; otherwise it will get rebuilt even
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# $(DEPEND) file; otherwise it will get rebuilt even
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# on 'make clean'
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# on 'make clean'
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#
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#
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## HACK: Specific to gcc
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## HACK: Specific to gcc
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## FIXME: The approach below is known to be conceptionally broken.
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## FIXME: The approach below is known to be conceptionally broken.
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depend-am: $(C_FILES) $(CC_FILES) $(S_FILES)
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depend-am: $(C_FILES) $(CC_FILES) $(S_FILES)
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## Use gcc -M to generate dependencies
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## Use gcc -M to generate dependencies
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## Replace foo.$(OBJEXT) with $(ARCH)/foo.$(OBJEXT)
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## Replace foo.$(OBJEXT) with $(ARCH)/foo.$(OBJEXT)
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## Replace $(ARCH) value with string $(ARCH)
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## Replace $(ARCH) value with string $(ARCH)
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## so that it will for debug and profile cases
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## so that it will for debug and profile cases
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$(COMPILE) -M $^ | \
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$(COMPILE) -M $^ | \
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sed -e 's?^\(.*\)\.o[ ]*:?$$(ARCH)/\1.o:?' \
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sed -e 's?^\(.*\)\.o[ ]*:?$$(ARCH)/\1.o:?' \
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-e 's?$(ARCH)/?$$(ARCH)/?' >$(DEPEND).tmp
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-e 's?$(ARCH)/?$$(ARCH)/?' >$(DEPEND).tmp
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mv $(DEPEND).tmp $(DEPEND)
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mv $(DEPEND).tmp $(DEPEND)
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depend: depend-am
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depend: depend-am
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# pull in dependencies if they exist
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# pull in dependencies if they exist
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ifeq (${DEPEND},$(wildcard ${DEPEND}))
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ifeq (${DEPEND},$(wildcard ${DEPEND}))
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include ${DEPEND}
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include ${DEPEND}
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@ENDIF@
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@ENDIF@
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## -------------------------------------------------------------------------
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## -------------------------------------------------------------------------
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## translate VARIANT into VARIANT_V
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## translate VARIANT into VARIANT_V
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VARIANT = OPTIMIZE
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VARIANT = OPTIMIZE
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VARIANT_OPTIMIZE_V = OPTIMIZE
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VARIANT_OPTIMIZE_V = OPTIMIZE
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VARIANT_DEBUG_V = DEBUG
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VARIANT_DEBUG_V = DEBUG
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VARIANT_PROFILE_V = PROFILE
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VARIANT_PROFILE_V = PROFILE
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VARIANT_optimize_V = OPTIMIZE
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VARIANT_optimize_V = OPTIMIZE
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VARIANT_debug_V = DEBUG
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VARIANT_debug_V = DEBUG
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VARIANT_profile_V = PROFILE
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VARIANT_profile_V = PROFILE
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VARIANT_V = $(VARIANT_$(VARIANT)_V)
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VARIANT_V = $(VARIANT_$(VARIANT)_V)
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## Setup the variant build subdirectory
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## Setup the variant build subdirectory
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ARCH_OPTIMIZE_V = o-optimize
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ARCH_OPTIMIZE_V = o-optimize
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ARCH_DEBUG_V = o-debug
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ARCH_DEBUG_V = o-debug
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ARCH_PROFILE_V = o-profile
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ARCH_PROFILE_V = o-profile
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ARCH__V = $(ARCH_OPTIMIZE_V)
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ARCH__V = $(ARCH_OPTIMIZE_V)
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ARCH = $(ARCH_$(VARIANT_V)_V)
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ARCH = $(ARCH_$(VARIANT_V)_V)
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## Setup the library suffix
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## Setup the library suffix
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LIBSUFFIX_OPTIMIZE_V =
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LIBSUFFIX_OPTIMIZE_V =
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LIBSUFFIX_DEBUG_V = _g
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LIBSUFFIX_DEBUG_V = _g
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LIBSUFFIX_PROFILE_V = _p
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LIBSUFFIX_PROFILE_V = _p
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LIBSUFFIX__V = $(LIBSUFFIX_OPTIMIZE_V)
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LIBSUFFIX__V = $(LIBSUFFIX_OPTIMIZE_V)
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LIB_VARIANT = $(LIBSUFFIX_$(VARIANT_V)_V)
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LIB_VARIANT = $(LIBSUFFIX_$(VARIANT_V)_V)
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LIBSUFFIX_VA = $(LIB_VARIANT).a
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LIBSUFFIX_VA = $(LIB_VARIANT).a
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## These are supposed to be set in make/custom/.cfg
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## These are supposed to be set in make/custom/.cfg
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## CFLAGS_OPTIMIZE_V =
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## CFLAGS_OPTIMIZE_V =
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## CFLAGS_DEBUG_V =
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## CFLAGS_DEBUG_V =
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## CFLAGS_PROFILE_V =
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## CFLAGS_PROFILE_V =
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CFLAGS__V = $(CFLAGS_OPTIMIZE_V)
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CFLAGS__V = $(CFLAGS_OPTIMIZE_V)
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## ------------------------------------------------------------------------
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## ------------------------------------------------------------------------
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## Setup hard-coded flags
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## Setup hard-coded flags
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if RTEMS_USE_GCC
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if RTEMS_USE_GCC
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## gcc >= gcc-2.8
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## gcc >= gcc-2.8
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RTEMS_CFLAGS_OPTIMIZE_V =
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RTEMS_CFLAGS_OPTIMIZE_V =
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RTEMS_CFLAGS_DEBUG_V = -Wno-unused
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RTEMS_CFLAGS_DEBUG_V = -Wno-unused
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RTEMS_CFLAGS_PROFILE_V =
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RTEMS_CFLAGS_PROFILE_V =
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## non-gcc
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## non-gcc
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## We can't guess what flags might be required here.
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## We can't guess what flags might be required here.
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## Pass the values from the environment if you want to apply them.
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## Pass the values from the environment if you want to apply them.
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endif
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endif
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RTEMS_CFLAGS__V = $(RTEMS_CFLAGS_OPTIMIZE_V)
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RTEMS_CFLAGS__V = $(RTEMS_CFLAGS_OPTIMIZE_V)
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## -------------------------------------------------------------------------
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## -------------------------------------------------------------------------
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CC = @CC@ $(GCCSPECS)
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CC = @CC@ $(GCCSPECS)
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CPP = @CPP@ $(GCCSPECS)
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CPP = @CPP@ $(GCCSPECS)
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##
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##
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AM_CPPFLAGS = $(RTEMS_CPPFLAGS)
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AM_CPPFLAGS = $(RTEMS_CPPFLAGS)
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AM_CFLAGS = $(RTEMS_CFLAGS_$(VARIANT_V)_V) $(CFLAGS_$(VARIANT_V)_V)
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AM_CFLAGS = $(RTEMS_CFLAGS_$(VARIANT_V)_V) $(CFLAGS_$(VARIANT_V)_V)
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# AM_CFLAGS = $(RTEMS_BSP_CFLAGS) $(RTEMS_CFLAGS)
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# AM_CFLAGS = $(RTEMS_BSP_CFLAGS) $(RTEMS_CFLAGS)
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AM_CCASFLAGS = $(RTEMS_BSP_CFLAGS) $(RTEMS_CPPFLAGS) $(RTEMS_ASFLAGS)
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AM_CCASFLAGS = $(RTEMS_BSP_CFLAGS) $(RTEMS_CPPFLAGS) $(RTEMS_ASFLAGS)
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