summaryrefslogtreecommitdiffstats
path: root/make/compilers/gcc-no_bsp.cfg
blob: af2a88f5803fb2c9139cbd08c1f84b09e51430bf (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
#
#  $Id$
#
# gcc 2.6.x compiler for a "native" nocpu/nobsp system
# Compiler (and tools) configuration
#

# Prefix on the installed GNU tools
#  Just use the native tools
GNU_TOOLS_PREFIX=

# Additional target names (other than debug, profile)
TARGET_VARIANTS +=

#
# Pre-processor defines using the target options header file.
#
# Local tailoring (on the command line) can be done by setting XCFLAGS
# or XCPPFLAGS -- neither of which are never set in the Makefile's
#

CPPFLAGS=$(CFLAGS) $(XCPPFLAGS) $(DEFINES)

CPLUS_CPPFLAGS=$(CFLAGS) $(XCPPFLAGS) $(DEFINES)

#  This section makes the target dependent options file.

#  NDEBUG (C library)
#     if defined asserts do not generate code.  This is commonly used
#     as a command line option.
#
#  RTEMS_TEST_NO_PAUSE (RTEMS tests)
#     do not pause between screens of output in the rtems tests
#
#  NO_TABLE_MOVE (SPARC PORT)
#     do not have a second trap table -- use the BSP's
#
#  STACK_CHECKER_ON (RTEMS support code)
#     If defined, stack bounds checking is enabled.
#
#  RTEMS_DEBUG (RTEMS)
#     If defined, debug checks in RTEMS and support library code are enabled.

define make-target-options
	echo "/* #define NDEBUG 1 */ "                     >>$@
	echo "#define RTEMS_TEST_NO_PAUSE 1"               >>$@
	echo "/* #define STACK_CHECKER_ON  1 */"           >>$@
	echo "/* #define RTEMS_DEBUG  1 */"                >>$@
endef

#
# Local tailoring (on the command line) can be done by setting XCFLAGS
# 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

#
#  This contains the compiler options necessary to select the CPU model
#  and (hopefully) optimize for it. 
#
CPU_CFLAGS =

CFLAGS_DEFAULT = $(CPU_CFLAGS) -Wall -ansi -fasm

# optimize flag: typically -0, could use -O4 or -fast
# -O4 is ok for RTEMS
CFLAGS_OPTIMIZE_V=-O4 -fomit-frame-pointer

# debug flag; typically -g
CFLAGS_DEBUG_V=-g -Wno-unused

# 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=-pg

# default is to optimize
CFLAGS_OPTIMIZE=$(CFLAGS_OPTIMIZE_V)

# dynamic libraries
CFLAGS_DYNAMIC_V=-fpic
# ASFLAGS_DYNAMIC_V=

CFLAGS=$(CFLAGS_DEFAULT) $(CFLAGS_OPTIMIZE) $(CFLAGS_DEBUG) $(CFLAGS_PROFILE) \
       -I $(PROJECT_INCLUDE)

# List of library paths without -L
LD_PATHS= $(PROJECT_RELEASE)/lib

# 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 =
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=gcc
CXX=$(CC)
CCC=$(CXX)

# CPP command to write file to standard output
CPP=$(CC) -E

# flags set by cc when running cpp
CPP_CC_FLAGS=-D__STDC__

AS=as
ASPP=ERROR_NO_ASPP

ASFLAGS=


# NOTE: should never use full path .. but there is no guarantee ld, etc
#       will be in the same directory as gcc.. so hope they are in the path
#       Don't do this on a real target!!!
LD=ld
NM=nm
AR=ar
# 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

# NOTE: see comment on ld, nm, ar
SIZE=size

#
# Command to convert a normal archive to one searchable by $(LD)
# Not needed on SVR4
#

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 $@ $<

${ARCH}/%.o: %.S
	${COMPILE.c} -DASM -o $@ $<

${ARCH}/%.o: %.s
	$(CPP) $(CPPFLAGS) - <$*.s  >$(ARCH)/$*.i
	$(AS) $(ASFLAGS) -o $@ $(ARCH)/$*.i
#	$(RM) $(ARCH)/$*.i

# Specify our own default rule for this to prevent having CFLAGS and
#  CPPFLAGS being passed to linker
${ARCH}/%: ${ARCH}/%.o
	${CC} ${LDFLAGS} -o $@ $@.o ${LD_LIBS}

# Make foo.rel from foo.o
${ARCH}/%.rel: ${ARCH}/%.o
	${LD} $(LDFLAGS_INCOMPLETE) -o $@ $^

# 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


# List (possibly empty) of required managers
# We require:
#    region  -- used by lib/libcsupport for malloc()
#    ext     -- used by libc for libc reentrancy hooks

MANAGERS_REQUIRED=region ext sem

# Create a RTEMS executable based on MANAGERS which was set in
#  app's Makefile

MANAGERS_NOT_WANTED=$(filter-out $(MANAGERS), $(MANAGER_LIST))
MANAGERS_NOT_WANTED:=$(filter-out $(MANAGERS_REQUIRED), $(MANAGERS_NOT_WANTED))

# spell out all the LINK_FILE's, rather than using -lbsp, so
#  that $(LINK_FILES) can be a dependency

# Start file must be one of
#    $(PROJECT_RELEASE)/lib/start$(LIB_VARIANT).o
#    $(PROJECT_RELEASE)/lib/asmiface$(LIB_VARIANT).o
# It defaults to start.o, but an app can override it.

# Note:  Normally RTEMS provides a start file...
START_FILE=

CONSTRUCTOR=

LIBGCC = $(shell $(CC) $(CFLAGS) -print-libgcc-file-name $(GCCSED))

LINK_FILES= $(START_FILE) \
    $(CONSTRUCTOR) \
    $(OBJS) \
    $(MANAGERS_NOT_WANTED:%=$(PROJECT_RELEASE)/lib/no-%$(LIB_VARIANT).rel) \
    $(LD_LIBS) \
    $(LIBC_EXTRA_LIBS)  \
    $(PROJECT_RELEASE)/lib/libtest$(LIBSUFFIX_VA) \
    $(PROJECT_RELEASE)/lib/librtemsall$(LIBSUFFIX_VA) \
    $(LIBC_LIBM) $(LIBC_LIBC) $(LIBGCC) 

# Here is the rule to actually build a $(ARCH)/foo.exe
# It also builds $(ARCH)/foo.sr and $(ARCH)/foo.nm
# Usage ref: src/tests/sptest/sp1/Makefile

# On Solaris at least you need to had /usr/ucblib/libucb.a

define make-exe
	$(CC) -o $(basename $@).exe $(LINK_FILES) -lc -lm
	$(NM) -n $(basename $@).exe > $(basename $@).num
	$(SIZE) $(basename $@).exe
endef

define make-rel
	$(LD) $(LDFLAGS_INCOMPLETE) $(XLDFLAGS) -o $@ $(OBJS)
endef