source: rtems/make/compilers/gcc-target-default.cfg @ ac61209b

4.104.114.84.95
Last change on this file since ac61209b was ac61209b, checked in by Joel Sherrill <joel.sherrill@…>, on Feb 17, 1998 at 7:16:18 PM

Added unused warning per discussion on rtems-snapshots list.

  • Property mode set to 100644
File size: 6.5 KB
Line 
1#
2#
3
4CPPFLAGS=$(CFLAGS) $(XCPPFLAGS)
5
6CPLUS_CPPFLAGS=$(CFLAGS) $(XCPPFLAGS)
7
8##
9# CFLAGS_OPTIMIZE_V, CFLAGS_DEBUG_V, CFLAGS_PROFILE_V are the values we
10# would want the corresponding macros to be set to.
11#
12# CFLAGS_OPTIMIZE, CFLAGS_DEBUG, CFLAGS_PROFILE are set in the leaf
13# Makefiles by the 'debug:' and 'profile:' targets to their _V values.
14#
15
16# default flags
17
18# We only include the header files for KA9Q if it is enabled.
19INCLUDE_KA9Q_yes_V = -I$(PROJECT_INCLUDE)/ka9q
20INCLUDE_KA9Q = $(INCLUDE_KA9Q_$(HAS_KA9Q)_V)
21
22ifeq ($(RTEMS_USE_GCC272),yes)
23# Ask gcc where it finds its own include files
24GCC_INCLUDE=$(shell $(CC) $(CPU_CFLAGS) -print-file-name=include)
25
26CFLAGS_DEFAULT = $(CPU_DEFINES) $(CPU_CFLAGS) -Wall -ansi -fasm -g \
27  -nostdinc -I$(PROJECT_INCLUDE) \
28  $(INCLUDE_KA9Q) \
29  -I$(RTEMS_LIBC_DIR)/include -I$(GCC_INCLUDE) $(DEFINES)
30
31ASMFLAGS=$(CPU_DEFINES) $(CPU_CFLAGS) -g \
32  -nostdinc -I$(PROJECT_INCLUDE) \
33  -I$(RTEMS_LIBC_DIR)/include -I$(GCC_INCLUDE) $(DEFINES)
34
35# default location of Standard C Library
36ifndef LIBC_LIBC
37LIBC_LIBC=$(RTEMS_LIBC_DIR)/lib/libc.a
38endif
39
40ifndef LIBC_LIBM
41LIBC_LIBM=$(RTEMS_LIBC_DIR)/lib/libm.a
42endif
43
44else
45CFLAGS_DEFAULT = $(CPU_DEFINES) $(CPU_CFLAGS) -Wall -ansi -fasm -g \
46        -B$(PROJECT_RELEASE)/lib/ -specs bsp_specs -qrtems \
47        $(INCLUDE_KA9Q) $(DEFINES)
48
49ASMFLAGS=$(CPU_DEFINES) $(CPU_CFLAGS) -g -I$(srcdir) \
50        -B$(PROJECT_RELEASE)/lib/ -specs bsp_specs -qrtems $(DEFINES)
51
52# default location of Standard C Library
53ifndef LIBC_LIBC
54LIBC_LIBC=$(shell $(CC) $(CPU_CFLAGS) -print-file-name=libc.a)
55endif
56
57ifndef LIBC_LIBM
58LIBC_LIBM=$(shell $(CC) $(CPU_CFLAGS) -print-file-name=libm.a)
59endif
60endif
61
62# Define this to yes if C++ is included in the development environment.
63# This requires that at least the GNU C++ compiler and libg++ be installed.
64ifeq ($(RTEMS_HAS_CPLUSPLUS),yes)
65HAS_CPLUSPLUS=yes
66CPLUS_LD_LIBS += $(PROJECT_RELEASE)/lib/librtems++$(LIBSUFFIX_VA)
67else
68HAS_CPLUSPLUS=no
69endif
70
71# debug flag; typically
72CFLAGS_DEBUG_V+=-Wno-unused
73
74ifeq ($(RTEMS_USE_GCC272),no)
75CFLAGS_DEBUG_V+=-qrtems_debug
76endif
77
78# when debugging, optimize flag: typically empty
79# some compilers do allow optimization with their "-g"
80#CFLAGS_DEBUG_OPTIMIZE_V=
81
82# profile flag; use gprof(1)
83CFLAGS_PROFILE_V=-pg
84
85# default is to optimize
86CFLAGS_OPTIMIZE=$(CFLAGS_OPTIMIZE_V)
87
88# dynamic libraries
89CFLAGS_DYNAMIC_V=-fpic
90#ASFLAGS_DYNAMIC_V=
91
92CFLAGS=$(CFLAGS_DEFAULT) $(CFLAGS_OPTIMIZE) $(CFLAGS_DEBUG) $(CFLAGS_PROFILE)
93
94# List of library paths without -L
95LD_PATHS= $(PROJECT_RELEASE)/lib
96
97# libraries you want EVERYONE to link with
98#LD_LIBS=
99
100# ld flag to ensure pure-text
101#LDFLAGS_MUST_BE_PURE_V =
102
103# ld flag for [un]shared objects
104#LDFLAGS_STATIC_LIBRARIES_V =
105#LDFLAGS_SHARED_LIBRARIES_V =
106
107# ld flag for incomplete link
108LDFLAGS_INCOMPLETE = -r
109
110# Special linker options when building lib.so
111LDFLAGS_DYNAMIC_V = ??
112
113# Some dynamic linking systems want the preferred name recorded in the binary
114# ref: src/libxil/Makefile
115LDFLAGS_DYNAMIC_LIBNAME_V = -h $(DYNAMIC_VERSION_LIBNAME)
116
117# ld flags for profiling, debugging
118LDFLAGS_PROFILE_V =
119LDFLAGS_DEBUG_V =
120
121LDFLAGS=$(LDFLAGS_PROFILE) $(LDFLAGS_DEBUG) $(LD_PATHS:%=-L %)
122
123#
124# Stuff to clean and clobber for the compiler and its tools
125#
126
127CLEAN_CC = a.out *.o *.BAK
128CLOBBER_CC =
129
130#
131# Client compiler and support tools
132#
133
134# CPP command to write file to standard output
135CPP=$(CC) -E
136
137# flags set by cc when running cpp
138CPP_CC_FLAGS=-D__STDC__
139
140ASFLAGS=
141ASM4FLAGS := -I $(PROJECT_INCLUDE)
142
143# egrep regexp to ignore symbol table entries in ar archives.
144# Only used to make sure we skip them when coalescing libraries.
145# skip __.SYMDEF and empty names (maybe bug in ranlib??).
146AR_SYMBOL_TABLE="HIGHLY-UNLIKELY-TO-CONFLICT"
147ARFLAGS=ruv
148
149#
150# Command to convert a normal archive to one searchable by $(LD)
151# Not needed on SVR4
152#
153
154MKLIB=echo library is complete:
155
156#
157# How to compile stuff into ${ARCH} subdirectory
158#
159# NOTE: we override COMPILE.c
160#
161
162COMPILE.c=$(CC) $(CFLAGS) $(XCFLAGS) -c
163
164${ARCH}/%.o: %.c
165        ${COMPILE.c} -o $@ $<
166
167${ARCH}/%.o: %.cc
168        ${COMPILE.c} -o $@ $<
169
170${ARCH}/%.o: %.S
171        ${COMPILE.c} -DASM -o $@ $<
172
173# strip out C++ style comments.
174${ARCH}/%.o: %.s
175        sed -e 's/\/\/.*$$//' < $< | \
176            $(CPP) $(ASMFLAGS) -I. -I$(srcdir) -DASM - >$(ARCH)/$*.i
177        $(AS) $(ASFLAGS) -o $@ $(ARCH)/$*.i
178
179#       $(CPP) $(CPPFLAGS) -DASM - < $<  >$(ARCH)/$*.i
180#       $(AS) $(ASFLAGS) -o $@ $(ARCH)/$*.i
181#       $(RM) $(ARCH)/$*.i
182
183# Specify our own default rule for this to prevent having CFLAGS and
184#  CPPFLAGS being passed to linker
185${ARCH}/%: ${ARCH}/%.o
186        ${CC} ${LDFLAGS} -o $@ $@.o ${LD_LIBS}
187
188# Make foo.rel from foo.o
189${ARCH}/%.rel: ${ARCH}/%.o
190        ${LD} $(LDFLAGS_INCOMPLETE) -o $@ $^
191
192# create $(ARCH)/pgm from pgm.sh
193${ARCH}/%: %.sh
194        $(RM) $@
195        $(CP) $< $@
196        $(CHMOD) +x $@
197
198# Dependency files for use by gmake
199# NOTE: we don't put in $(TARGET_ARCH)
200#       so that 'make clean' doesn't blow it away
201
202DEPEND=Depends-$(TARGET_ARCH:o-%=%)
203
204CLEAN_DEPEND=$(DEPEND).tmp
205CLOBBER_DEPEND=$(DEPEND)
206
207# We deliberately don't have anything depend on the
208# $(DEPEND) file; otherwise it will get rebuilt even
209# on 'make clean'
210#
211
212depend: $(C_FILES) $(CC_FILES) $(S_FILES)
213ifneq ($(words $(C_FILES) $(CC_FILES) $(S_FILES)), 0)
214#       Use gcc -M to generate dependencies
215#       Replace foo.o with $(ARCH)/foo.o
216#       Replace $(ARCH) value with string $(ARCH)
217#           so that it will for debug and profile cases
218        $(COMPILE.c) -M   $^    |  \
219        $(SED) -e 's?^\(.*\)\.o[ ]*:?$$(ARCH)/\1.o:?' \
220            -e 's?$(ARCH)/?$$(ARCH)/?'   >$(DEPEND).tmp
221        $(MV) $(DEPEND).tmp $(DEPEND)
222endif
223
224# spell out all the LINK_FILE's, rather than using -lbsp, so
225#  that $(LINK_FILES) can be a dependency
226
227# Start file must be one of
228#    $(PROJECT_RELEASE)/lib/start$(LIB_VARIANT).o
229#    $(PROJECT_RELEASE)/lib/asmiface$(LIB_VARIANT).o
230# It defaults to start.o, but an app can override it.
231
232ifeq ($(START_BASE),)
233  START_FILE=
234else
235  START_FILE=$(PROJECT_RELEASE)/lib/$(START_BASE)$(LIB_VARIANT).o
236endif
237
238CONSTRUCTOR=
239
240LIBC_LOW=
241
242LIBGCC = $(shell $(CC) $(CFLAGS) -print-libgcc-file-name)
243
244LINK_OBJS=\
245    $(CONSTRUCTOR) \
246    $(OBJS) \
247    $(MANAGERS_NOT_WANTED:%=$(PROJECT_RELEASE)/lib/no-%$(LIB_VARIANT).rel) \
248    $(LD_LIBS) \
249    $(PROJECT_RELEASE)/lib/libtest$(LIBSUFFIX_VA)
250
251LINK_LIBS=\
252    $(LD_LIBS) \
253    $(LIBC_EXTRA_LIBS)  \
254    $(PROJECT_RELEASE)/lib/librtemsall$(LIBSUFFIX_VA) \
255    $(LIBC_LIBM) $(LIBC_LIBC) $(LIBGCC)
256
257LINK_FILES=\
258    $(START_FILE) \
259    $(LINK_OBJS) \
260    $(LINK_LIBS)
261
262#
263# Allow user to override link commands (to build a prom image, perhaps)
264#
265ifndef LINKCMDS
266LINKCMDS=$(PROJECT_RELEASE)/lib/linkcmds
267endif
268
269
270define make-rel
271        $(LD) $(LDFLAGS_INCOMPLETE) $(XLDFLAGS) -o $@ $(OBJS)
272endef
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