forked from Imagelibrary/rtems
946b3cb0cf
2. "make profile" doesn't work. It aborts when building host-tools
for embedded targets. I didn't yet have enough time to fix this
problem. AFAIS this problem is related to handling of
LDFLAGS_PROFILE[|_V] in gcc.cfg.in. For host applications, we use
gcc for linking host applications, too. With profiling enabled
CFLAGS_PROFILE_V contains -pg and is used to compile, but
LDFLAGS_PROFILE_V is empty, hence -pg will not be passed to the
linker causing gcc to fail to link, because it can't resolve some
symbols introduced by compiling with -pg.
I am not sure if I can provide a patch for this - Ether it is trivial
to fix or requires basic work on host configuration ;-
Fixing this one was trivial - But hard to trace.
LDFLAGS_PROFILE_V needs to contain the same flags as CFLAGS_PROFILE_V,
if gcc is used for linking (What else should have been expected ?,
:-). The same problem was present for *_DEBUG_V, but apparently wasn't
noticed by anybody, because things didn't break, but were silently
ignored.
I fixed these problems by setting these flags in configure.in whenever
gcc is reported to be the host-compiler. For non-gcc host compilers
"make debug" and "make profile" now becomes the same as an ordinary
"make". This is a hack and addressing this problen could be more
sophisticated, but I don't think it gives much sense to support
compile variants for any host program (Who will ever try to
profile/debug host tools?). Therefore I don't think it's useful
to invest more effort into this problem.
204 lines
4.8 KiB
INI
204 lines
4.8 KiB
INI
#
|
|
# $Id$
|
|
#
|
|
# gcc 2.6.x native compiler
|
|
# Compiler (and tools) configuration
|
|
#
|
|
|
|
# Additional target names (other than debug, profile)
|
|
TARGET_VARIANTS +=
|
|
|
|
#
|
|
# Pre-processor defines.
|
|
# Local tailoring (on the command line) can be done by setting XCPPFLAGS
|
|
# which is never set in the Makefile's
|
|
#
|
|
|
|
CPPFLAGS=$(XCPPFLAGS) $(DEFINES)
|
|
|
|
#
|
|
# Local tailoring (on the command line) can be done by setting CFLAGS
|
|
# which is never set in the Makefile's
|
|
#
|
|
|
|
#
|
|
# CFLAGS_OPTIMIZE_V, CFLAGS_DEBUG_V, CFLAGS_PROFILE_V are the values we
|
|
# would want the corresponding macros to be set to.
|
|
#
|
|
# CFLAGS_OPTIMIZE, CFLAGS_DEBUG, CFLAGS_PROFILE are set in the leaf
|
|
# Makefiles by the 'debug:' and 'profile:' targets to their _V values.
|
|
#
|
|
|
|
# default flags
|
|
|
|
CFLAGS_DEFAULT = @CC_CFLAGS_DEFAULT@
|
|
|
|
# Under MS-DOS do not use pipes
|
|
# It turns out the pipes don't work with some non-gas assemblers either. :(
|
|
# ifneq ($(RTEMS_HOST),msdos)
|
|
# # CFLAGS_DEFAULT += -pipe
|
|
# CFLAGS_DEFAULT +=
|
|
# endif
|
|
|
|
# Additional target names (other than debug, profile)
|
|
|
|
# optimize flag: typically -0, could use -O4 or -fast
|
|
# -O4 is ok for RTEMS
|
|
CFLAGS_OPTIMIZE_V=-O
|
|
|
|
# debug flag; typically -g
|
|
CFLAGS_DEBUG_V=@CC_CFLAGS_DEBUG_V@
|
|
|
|
# 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=@CC_CFLAGS_PROFILE_V@
|
|
|
|
# default is to optimize
|
|
CFLAGS_OPTIMIZE=$(CFLAGS_OPTIMIZE_V)
|
|
|
|
# dynamic libraries
|
|
CFLAGS_DYNAMIC_V=-fpic
|
|
ASFLAGS_DYNAMIC_V=
|
|
|
|
# XCFLAGS are now local flags to avoid conflict with cygnus configure
|
|
XCFLAGS=$(CFLAGS_OPTIMIZE) $(CFLAGS_DEBUG) $(CFLAGS_PROFILE) \
|
|
$(CFLAGS_DEFAULT)
|
|
|
|
# List of library paths without -L
|
|
LD_PATHS=
|
|
|
|
# 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 $(DYNAMIC_VERSION_LIBNAME)
|
|
|
|
# ld flags for profiling, debugging
|
|
LDFLAGS_PROFILE_V = @CC_LDFLAGS_PROFILE_V@
|
|
LDFLAGS_DEBUG_V =
|
|
|
|
LDFLAGS=$(LDFLAGS_PROFILE) $(LDFLAGS_DEBUG) $(LD_PATHS:%=-L %)
|
|
|
|
#
|
|
# Stuff to clean and clobber for the compiler and its tools
|
|
#
|
|
|
|
CLEAN_CC = a.out *.o *.BAK
|
|
CLOBBER_CC =
|
|
|
|
#
|
|
# Client compiler and support tools
|
|
#
|
|
|
|
# CC_FOR_BUILD=gcc -O
|
|
# override CC=$(CC_FOR_BUILD)
|
|
|
|
CC=@CC@
|
|
|
|
# CPP command to write file to standard output
|
|
CPP=$(CC) -E
|
|
|
|
# flags set by cc when running cpp
|
|
CPP_CC_FLAGS=-D__STDC__
|
|
|
|
# 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
|
|
|
|
#
|
|
# Command to convert a normal archive to one searchable by $(LD)
|
|
# Not needed on SVR4
|
|
# FIXME: Should be handled by autoconf. Doesn't matter, because
|
|
# rtems doesn't have any host-libraries until now.
|
|
#
|
|
|
|
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 $@ $<
|
|
|
|
# assembly runs gasp
|
|
${ARCH}/%.o: %.s
|
|
$(CPP) ${CPPFLAGS} $< | $(SED) 's/% /%/g' | $(SED) 's/^#.*//' >$(ARCH)/$*.i
|
|
$(AS) -o $@ $(ARCH)/$*.i
|
|
$(RM) $(ARCH)/$*.i
|
|
|
|
# Link host applications.
|
|
define make-exe
|
|
${CC} ${LDFLAGS} -o $@ $^ ${LD_LIBS}
|
|
endef
|
|
|
|
# Specify our own default rule for this to prevent having CFLAGS and
|
|
# CPPFLAGS being passed to linker
|
|
#
|
|
# NOTE: This rule is only used as fallback for host-tool makefiles
|
|
# which don't provide their own rule
|
|
${ARCH}/%$(EXEEXT): ${ARCH}/%.o
|
|
$(make-exe)
|
|
|
|
# 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
|
|
|
|
define make-rel
|
|
$(LD) $(LDFLAGS_INCOMPLETE) $(XLDFLAGS) -o $@ $(OBJS)
|
|
endef
|