forked from Imagelibrary/rtems
67077a1b46
that addresses the following:
* Duplicate variables in Makefiles (many Makefile.ams below c/src/test
are affected systematically)
* Erroniously using local.am instead of host.am in host-Makefile.am
(Only host Makefile.ams should be affected; Erroniously using local.am
in host-Makefiles doesn't desturb much)
* use '.' instead of '$pwd' in ./bootstrap (using $pwd does not work if
$pwd is a symlink on linux).
* Broken CVS Ids somewhere
* Removing redundant/obsolete make variables from *.cfg files.
Except of the last item from the list above, most parts of this patch
are fairly harmless, sometimes even cosmetical.
As mentioned before, this patch also contains a new ampolish script.
This script features:
* Pretty printing of Makefile.ams (eg. removal of trailing spaces,
removal of duplicate empty lines, pretty printing make variables, etc.).
* Some syntactical checks on the contents of Makefiles.am
* Proper handling of Automake conditionals
FYI:
* Applying tools/update/rtems-polish.sh -am completely reformats all
Makefile.am resulting into a very large (~500k) diff.
* Applying tools/update/rtems-polish.sh -am twice, finally does not
reformat the Makefile.ams anymore.
* Many parts of the patch above result from merging back issues which
have shown when applying this new ampolish (i.e. partially result from
extracting the essentials of reformating being proposed by applying it
on Makefile.ams).
Though this ampolish is a very nice tool, IMHO, I am hestitant if you
should apply (i.e. run tools/update/rtems-polish.sh -am) it to the
sources before the release, because
* the resulting diff is fairly large
* I am not 100% sure it doesn't break anything.
However, applying it after the release would result into compatibility
problems in applying patches ;)
I would suggest that you might consider trying it locally, then to
examine the diff and then to decide whether to apply it in general or
not.
Joel's Comments:
As Ralf points out, this patch is problematic in that applying it before
a release could break things but applying it afterwards will result in
patches being unusable for Makefiles. My inclination is to forge ahead
and apply it.
289 lines
7.1 KiB
INI
289 lines
7.1 KiB
INI
#
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# $Id$
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#
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# gcc 2.6.x compiler for a "native" nocpu/nobsp system
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# Compiler (and tools) configuration
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#
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# Prefix on the installed GNU tools
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# Just use the native tools
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GNU_TOOLS_PREFIX=
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# Additional target names (other than debug, profile)
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TARGET_VARIANTS +=
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#
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# Pre-processor defines using the target options header file.
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#
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# Local tailoring (on the command line) can be done by setting XCFLAGS
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# or XCPPFLAGS -- neither of which are never set in the Makefile's
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#
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CPPFLAGS=$(CFLAGS) $(XCPPFLAGS) $(DEFINES)
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CPLUS_CPPFLAGS=$(CFLAGS) $(XCPPFLAGS) $(DEFINES)
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# This section makes the target dependent options file.
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# NDEBUG (C library)
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# if defined asserts do not generate code. This is commonly used
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# as a command line option.
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#
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# RTEMS_TEST_NO_PAUSE (RTEMS tests)
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# do not pause between screens of output in the rtems tests
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#
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# NO_TABLE_MOVE (SPARC PORT)
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# do not have a second trap table -- use the BSP's
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#
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# STACK_CHECKER_ON (RTEMS support code)
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# If defined, stack bounds checking is enabled.
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#
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# RTEMS_DEBUG (RTEMS)
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# If defined, debug checks in RTEMS and support library code are enabled.
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define make-target-options
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echo "/* #define NDEBUG 1 */ " >>$@
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echo "#define RTEMS_TEST_NO_PAUSE 1" >>$@
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echo "/* #define STACK_CHECKER_ON 1 */" >>$@
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echo "/* #define RTEMS_DEBUG 1 */" >>$@
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endef
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#
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# Local tailoring (on the command line) can be done by setting XCFLAGS
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# which is never set in the Makefile's
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#
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#
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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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#
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# CFLAGS_OPTIMIZE, CFLAGS_DEBUG, CFLAGS_PROFILE are set in the leaf
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# Makefiles by the 'debug:' and 'profile:' targets to their _V values.
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#
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# default flags
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#
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# This contains the compiler options necessary to select the CPU model
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# and (hopefully) optimize for it.
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#
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CPU_CFLAGS =
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CFLAGS_DEFAULT = $(CPU_CFLAGS) -Wall -ansi -fasm
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# optimize flag: typically -0, could use -O4 or -fast
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# -O4 is ok for RTEMS
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CFLAGS_OPTIMIZE_V=-O4 -fomit-frame-pointer
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# debug flag; typically -g
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CFLAGS_DEBUG_V=-g -Wno-unused
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# profile flag; use gprof(1)
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CFLAGS_PROFILE_V=-pg
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# default is to optimize
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CFLAGS_OPTIMIZE=$(CFLAGS_OPTIMIZE_V)
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# dynamic libraries
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CFLAGS_DYNAMIC_V=-fpic
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# ASFLAGS_DYNAMIC_V=
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CFLAGS=$(CFLAGS_DEFAULT) $(CFLAGS_OPTIMIZE) $(CFLAGS_DEBUG) $(CFLAGS_PROFILE) \
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-I $(PROJECT_INCLUDE)
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# List of library paths without -L
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LD_PATHS= $(PROJECT_RELEASE)/lib
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# libraries you want EVERYONE to link with
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LD_LIBS=
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# ld flag to ensure pure-text
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LDFLAGS_MUST_BE_PURE_V =
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# ld flag for [un]shared objects
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LDFLAGS_STATIC_LIBRARIES_V =
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LDFLAGS_SHARED_LIBRARIES_V =
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# ld flag for incomplete link
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LDFLAGS_INCOMPLETE = -r
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# Special linker options when building lib.so
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LDFLAGS_DYNAMIC_V = ??
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# Some dynamic linking systems want the preferred name recorded in the binary
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# ref: src/libxil/Makefile
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LDFLAGS_DYNAMIC_LIBNAME_V = -h $(DYNAMIC_VERSION_LIBNAME)
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# ld flags for profiling, debugging
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LDFLAGS_PROFILE_V =
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LDFLAGS_DEBUG_V =
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LDFLAGS=$(LDFLAGS_PROFILE) $(LDFLAGS_DEBUG) $(LD_PATHS:%=-L %)
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#
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# Stuff to clean and clobber for the compiler and its tools
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#
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CLEAN_CC = a.out *.o *.BAK
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CLOBBER_CC =
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#
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# Client compiler and support tools
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#
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CC=gcc
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CXX=$(CC)
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CCC=$(CXX)
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# CPP command to write file to standard output
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CPP=$(CC) -E
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# flags set by cc when running cpp
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CPP_CC_FLAGS=-D__STDC__
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AS=as
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ASPP=ERROR_NO_ASPP
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ASFLAGS=
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# NOTE: should never use full path .. but there is no guarantee ld, etc
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# will be in the same directory as gcc.. so hope they are in the path
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# Don't do this on a real target!!!
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LD=ld
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NM=nm
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AR=ar
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# egrep regexp to ignore symbol table entries in ar archives.
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# Only used to make sure we skip them when coalescing libraries.
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# skip __.SYMDEF and empty names (maybe bug in ranlib??).
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AR_SYMBOL_TABLE="HIGHLY-UNLIKELY-TO-CONFLICT"
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ARFLAGS=ruv
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# NOTE: see comment on ld, nm, ar
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SIZE=size
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#
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# Command to convert a normal archive to one searchable by $(LD)
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# Not needed on SVR4
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#
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MKLIB=echo library is complete:
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#
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# How to compile stuff into ${ARCH} subdirectory
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#
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# NOTE: we override COMPILE.c
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#
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COMPILE.c=$(CC) $(CFLAGS) $(CPPFLAGS) $(XCFLAGS) -c
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${ARCH}/%.o: %.c
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${COMPILE.c} -o $@ $<
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${ARCH}/%.o: %.cc
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${COMPILE.c} -o $@ $<
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${ARCH}/%.o: %.S
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${COMPILE.c} -DASM -o $@ $<
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${ARCH}/%.o: %.s
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$(CPP) $(CPPFLAGS) - <$*.s >$(ARCH)/$*.i
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$(AS) $(ASFLAGS) -o $@ $(ARCH)/$*.i
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# $(RM) $(ARCH)/$*.i
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# Specify our own default rule for this to prevent having CFLAGS and
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# CPPFLAGS being passed to linker
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${ARCH}/%: ${ARCH}/%.o
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${CC} ${LDFLAGS} -o $@ $@.o ${LD_LIBS}
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# Make foo.rel from foo.o
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${ARCH}/%.rel: ${ARCH}/%.o
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${LD} $(LDFLAGS_INCOMPLETE) -o $@ $^
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# create $(ARCH)/pgm from pgm.sh
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${ARCH}/%: %.sh
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$(RM) $@
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$(CP) $< $@
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$(CHMOD) +x $@
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# Dependency files for use by gmake
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# NOTE: we don't put in $(TARGET_ARCH)
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# so that 'make clean' doesn't blow it away
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DEPEND=Depends-$(TARGET_ARCH:o-%=%)
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CLEAN_DEPEND=$(DEPEND).tmp
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CLOBBER_DEPEND=$(DEPEND)
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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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# on 'make clean'
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#
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depend: $(C_FILES) $(CC_FILES) $(S_FILES)
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ifneq ($(words $(C_FILES) $(CC_FILES) $(S_FILES)), 0)
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# Use gcc -M to generate dependencies
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# Replace foo.o with $(ARCH)/foo.o
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# Replace $(ARCH) value with string $(ARCH)
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# so that it will for debug and profile cases
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$(COMPILE.c) -M $^ | \
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$(SED) -e 's?^\(.*\)\.o[ ]*:?$$(ARCH)/\1.o:?' \
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-e 's?$(ARCH)/?$$(ARCH)/?' >$(DEPEND).tmp
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$(MV) $(DEPEND).tmp $(DEPEND)
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endif
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# List (possibly empty) of required managers
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# We require:
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# region -- used by lib/libcsupport for malloc()
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# ext -- used by libc for libc reentrancy hooks
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MANAGERS_REQUIRED=region ext sem
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# Create a RTEMS executable based on MANAGERS which was set in
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# app's Makefile
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MANAGERS_NOT_WANTED=$(filter-out $(MANAGERS), $(MANAGER_LIST))
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MANAGERS_NOT_WANTED:=$(filter-out $(MANAGERS_REQUIRED), $(MANAGERS_NOT_WANTED))
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# spell out all the LINK_FILE's, rather than using -lbsp, so
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# that $(LINK_FILES) can be a dependency
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# Start file must be one of
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# $(PROJECT_RELEASE)/lib/start$(LIB_VARIANT).o
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# $(PROJECT_RELEASE)/lib/asmiface$(LIB_VARIANT).o
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# It defaults to start.o, but an app can override it.
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# Note: Normally RTEMS provides a start file...
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START_FILE=
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CONSTRUCTOR=
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LIBGCC = $(shell $(CC) $(CFLAGS) -print-libgcc-file-name $(GCCSED))
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LINK_FILES= $(START_FILE) \
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$(CONSTRUCTOR) \
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$(OBJS) \
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$(MANAGERS_NOT_WANTED:%=$(PROJECT_RELEASE)/lib/no-%$(LIB_VARIANT).rel) \
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$(LD_LIBS) \
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$(LIBC_EXTRA_LIBS) \
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$(PROJECT_RELEASE)/lib/libtest$(LIBSUFFIX_VA) \
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$(PROJECT_RELEASE)/lib/librtemsall$(LIBSUFFIX_VA) \
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$(LIBC_LIBM) $(LIBC_LIBC) $(LIBGCC)
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# Here is the rule to actually build a $(ARCH)/foo.exe
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# It also builds $(ARCH)/foo.sr and $(ARCH)/foo.nm
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# Usage ref: src/tests/sptest/sp1/Makefile
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# On Solaris at least you need to had /usr/ucblib/libucb.a
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define make-exe
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$(CC) -o $(basename $@).exe $(LINK_FILES) -lc -lm
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$(NM) -n $(basename $@).exe > $(basename $@).num
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$(SIZE) $(basename $@).exe
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endef
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define make-rel
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$(LD) $(LDFLAGS_INCOMPLETE) $(XLDFLAGS) -o $@ $(OBJS)
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endef
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