unreachable: silence "not actually initialized" false positives
[smatch.git] / Makefile
blobe9da7af0c585da80aceee886a7d6bc6c2994479a
1 VERSION=0.5.0
3 # Generating file version.h if current version has changed
4 SPARSE_VERSION:=$(shell git describe 2>/dev/null || echo '$(VERSION)')
5 VERSION_H := $(shell cat version.h 2>/dev/null)
6 ifneq ($(lastword $(VERSION_H)),"$(SPARSE_VERSION)")
7 $(info $(shell echo ' GEN 'version.h))
8 $(shell echo '#define SPARSE_VERSION "$(SPARSE_VERSION)"' > version.h)
9 endif
11 OS = linux
13 CC = gcc
14 CFLAGS = -O2 -finline-functions -fno-strict-aliasing -g
15 CFLAGS += -Wall -Wwrite-strings
16 LDFLAGS += -g -lm -lsqlite3
17 LD = gcc
18 AR = ar
20 ALL_CFLAGS = $(CFLAGS) $(BASIC_CFLAGS)
22 # For debugging, put this in local.mk:
24 # CFLAGS += -O0 -DDEBUG -g3 -gdwarf-2
27 HAVE_LIBXML:=$(shell pkg-config --exists libxml-2.0 2>/dev/null && echo 'yes')
28 HAVE_GCC_DEP:=$(shell touch .gcc-test.c && \
29 $(CC) -c -Wp,-MD,.gcc-test.d .gcc-test.c 2>/dev/null && \
30 echo 'yes'; rm -f .gcc-test.d .gcc-test.o .gcc-test.c)
31 HAVE_GTK2:=$(shell pkg-config --exists gtk+-2.0 2>/dev/null && echo 'yes')
32 HAVE_LLVM:=$(shell llvm-config --version >/dev/null 2>&1 && echo 'yes')
33 HAVE_LLVM_VERSION:=$(shell llvm-config --version | grep "^[3-9].*" >/dev/null 2>&1 && echo yes)
34 LLVM_VERSION=$(shell llvm-config --version)
36 GCC_BASE = $(shell $(CC) --print-file-name=)
37 BASIC_CFLAGS = -DGCC_BASE=\"$(GCC_BASE)\"
39 ifeq ($(HAVE_GCC_DEP),yes)
40 BASIC_CFLAGS += -Wp,-MD,$(@D)/.$(@F).d
41 endif
43 DESTDIR=
44 PREFIX=$(HOME)
45 BINDIR=$(PREFIX)/bin
46 LIBDIR=$(PREFIX)/lib
47 MANDIR=$(PREFIX)/share/man
48 MAN1DIR=$(MANDIR)/man1
49 INCLUDEDIR=$(PREFIX)/include
50 PKGCONFIGDIR=$(LIBDIR)/pkgconfig
51 SMATCHDATADIR=$(PREFIX)/share/smatch
53 SMATCH_FILES=smatch_flow.o smatch_conditions.o smatch_slist.o smatch_states.o \
54 smatch_helper.o smatch_type.o smatch_hooks.o smatch_function_hooks.o \
55 smatch_modification_hooks.o smatch_extra.o smatch_estate.o smatch_math.o \
56 smatch_sval.o smatch_ranges.o smatch_implied.o smatch_ignore.o smatch_project.o \
57 smatch_var_sym.o smatch_tracker.o smatch_files.o smatch_expression_stacks.o \
58 smatch_equiv.o smatch_buf_size.o smatch_strlen.o smatch_capped.o smatch_db.o \
59 smatch_expressions.o smatch_returns.o smatch_parse_call_math.o \
60 smatch_param_limit.o smatch_param_filter.o \
61 smatch_param_set.o smatch_comparison.o smatch_local_values.o \
62 smatch_function_ptrs.o smatch_annotate.o smatch_string_list.o \
63 smatch_param_cleared.o smatch_start_states.o \
64 smatch_recurse.o smatch_data_source.o smatch_type_val.o \
65 smatch_common_functions.o smatch_struct_assignment.o \
66 smatch_unknown_value.o smatch_stored_conditions.o avl.o
68 SMATCH_CHECKS=$(shell ls check_*.c | sed -e 's/\.c/.o/')
69 SMATCH_DATA=smatch_data/kernel.allocation_funcs smatch_data/kernel.balanced_funcs \
70 smatch_data/kernel.frees_argument smatch_data/kernel.puts_argument \
71 smatch_data/kernel.dev_queue_xmit smatch_data/kernel.returns_err_ptr \
72 smatch_data/kernel.dma_funcs smatch_data/kernel.returns_held_funcs \
73 smatch_data/kernel.no_return_funcs
75 PROGRAMS=test-lexing test-parsing obfuscate compile graph sparse \
76 test-linearize example test-unssa test-dissect ctags
77 INST_PROGRAMS=smatch cgcc
79 INST_MAN1=sparse.1 cgcc.1
81 ifeq ($(HAVE_LIBXML),yes)
82 PROGRAMS+=c2xml
83 INST_PROGRAMS+=c2xml
84 c2xml_EXTRA_OBJS = `pkg-config --libs libxml-2.0`
85 else
86 $(warning Your system does not have libxml, disabling c2xml)
87 endif
89 ifeq ($(HAVE_GTK2),yes)
90 GTK2_CFLAGS := $(shell pkg-config --cflags gtk+-2.0)
91 GTK2_LIBS := $(shell pkg-config --libs gtk+-2.0)
92 PROGRAMS += test-inspect
93 INST_PROGRAMS += test-inspect
94 test-inspect_EXTRA_DEPS := ast-model.o ast-view.o ast-inspect.o
95 test-inspect.o $(test-inspect_EXTRA_DEPS): BASIC_CFLAGS += $(GTK2_CFLAGS)
96 test-inspect_EXTRA_OBJS := $(GTK2_LIBS)
97 else
98 $(warning Your system does not have libgtk2, disabling test-inspect)
99 endif
101 ifneq ($(HAVE_LLVM),yes)
102 $(warning Your system does not have llvm, disabling sparse-llvm)
103 else
104 ifneq ($(HAVE_LLVM_VERSION),yes)
105 $(warning LLVM 3.0 or later required. Your system has version $(LLVM_VERSION) installed.)
106 HAVE_LLVM=no
107 else
108 LLVM_PROGS := sparse-llvm
109 $(LLVM_PROGS): LD := g++
110 LLVM_LDFLAGS := $(shell llvm-config --ldflags)
111 LLVM_CFLAGS := $(shell llvm-config --cflags | sed -e "s/-DNDEBUG//g")
112 LLVM_LIBS := $(shell llvm-config --libs)
113 PROGRAMS += $(LLVM_PROGS)
114 INST_PROGRAMS += sparse-llvm sparsec
115 sparse-llvm.o: BASIC_CFLAGS += $(LLVM_CFLAGS)
116 sparse-llvm_EXTRA_OBJS := $(LLVM_LIBS) $(LLVM_LDFLAGS)
117 endif
118 endif
120 LIB_H= token.h parse.h lib.h symbol.h scope.h expression.h target.h \
121 linearize.h bitmap.h ident-list.h compat.h flow.h allocate.h \
122 storage.h ptrlist.h dissect.h
124 LIB_OBJS= target.o parse.o tokenize.o pre-process.o symbol.o lib.o scope.o \
125 expression.o show-parse.o evaluate.o expand.o inline.o linearize.o \
126 char.o sort.o allocate.o compat-$(OS).o ptrlist.o \
127 flow.o cse.o simplify.o memops.o liveness.o storage.o unssa.o \
128 dissect.o macro_table.o token_store.o cwchash/hashtable.o
130 LIB_FILE= libsparse.a
131 SLIB_FILE= libsparse.so
133 # If you add $(SLIB_FILE) to this, you also need to add -fpic to BASIC_CFLAGS above.
134 # Doing so incurs a noticeable performance hit, and Sparse does not have a
135 # stable shared library interface, so this does not occur by default. If you
136 # really want a shared library, you may want to build Sparse twice: once
137 # without -fpic to get all the Sparse tools, and again with -fpic to get the
138 # shared library.
139 LIBS=$(LIB_FILE)
142 # Pretty print
144 V = @
145 Q = $(V:1=)
146 QUIET_CC = $(Q:@=@echo ' CC '$@;)
147 QUIET_AR = $(Q:@=@echo ' AR '$@;)
148 QUIET_GEN = $(Q:@=@echo ' GEN '$@;)
149 QUIET_LINK = $(Q:@=@echo ' LINK '$@;)
150 # We rely on the -v switch of install to print 'file -> $install_dir/file'
151 QUIET_INST_SH = $(Q:@=echo -n ' INSTALL ';)
152 QUIET_INST = $(Q:@=@echo -n ' INSTALL ';)
154 define INSTALL_EXEC
155 $(QUIET_INST)install -v $1 $(DESTDIR)$2/$1 || exit 1;
157 endef
159 define INSTALL_FILE
160 $(QUIET_INST)install -v -m 644 $1 $(DESTDIR)$2/$1 || exit 1;
162 endef
164 SED_PC_CMD = 's|@version@|$(VERSION)|g; \
165 s|@prefix@|$(PREFIX)|g; \
166 s|@libdir@|$(LIBDIR)|g; \
167 s|@includedir@|$(INCLUDEDIR)|g'
171 # Allow users to override build settings without dirtying their trees
172 -include local.mk
175 all: $(PROGRAMS) sparse.pc smatch
177 all-installable: $(INST_PROGRAMS) $(LIBS) $(LIB_H) sparse.pc
179 install: all-installable
180 $(Q)install -d $(DESTDIR)$(BINDIR)
181 $(Q)install -d $(DESTDIR)$(LIBDIR)
182 $(Q)install -d $(DESTDIR)$(MAN1DIR)
183 $(Q)install -d $(DESTDIR)$(INCLUDEDIR)/sparse
184 $(Q)install -d $(DESTDIR)$(PKGCONFIGDIR)
185 $(Q)install -d $(DESTDIR)$(SMATCHDATADIR)/smatch_data
186 $(foreach f,$(INST_PROGRAMS),$(call INSTALL_EXEC,$f,$(BINDIR)))
187 $(foreach f,$(INST_MAN1),$(call INSTALL_FILE,$f,$(MAN1DIR)))
188 $(foreach f,$(LIBS),$(call INSTALL_FILE,$f,$(LIBDIR)))
189 $(foreach f,$(LIB_H),$(call INSTALL_FILE,$f,$(INCLUDEDIR)/sparse))
190 $(call INSTALL_FILE,sparse.pc,$(PKGCONFIGDIR))
191 $(foreach f,$(SMATCH_DATA),$(call INSTALL_FILE,$f,$(SMATCHDATADIR)))
193 sparse.pc: sparse.pc.in
194 $(QUIET_GEN)sed $(SED_PC_CMD) sparse.pc.in > sparse.pc
197 compile_EXTRA_DEPS = compile-i386.o
199 $(foreach p,$(PROGRAMS),$(eval $(p): $($(p)_EXTRA_DEPS) $(LIBS)))
200 $(PROGRAMS): % : %.o
201 $(QUIET_LINK)$(LD) -o $@ $^ $($@_EXTRA_OBJS) $(LDFLAGS)
203 smatch: smatch.o $(SMATCH_FILES) $(SMATCH_CHECKS) $(LIBS)
204 $(CC) -o $@ $< $(SMATCH_FILES) $(SMATCH_CHECKS) $(LIBS) $(LDFLAGS)
206 $(LIB_FILE): $(LIB_OBJS)
207 $(QUIET_AR)$(AR) rcs $@ $(LIB_OBJS)
209 $(SLIB_FILE): $(LIB_OBJS)
210 $(QUIET_LINK)$(CC) -Wl,-soname,$@ -shared -o $@ $(LIB_OBJS) $(LDFLAGS)
212 check_list_local.h:
213 touch check_list_local.h
215 smatch.o: smatch.c $(LIB_H) smatch.h check_list.h check_list_local.h
216 $(CC) -c smatch.c -DSMATCHDATADIR='"$(SMATCHDATADIR)"'
217 $(SMATCH_CHECKS): smatch.h smatch_slist.h smatch_extra.h avl.h
218 DEP_FILES := $(wildcard .*.o.d)
219 $(if $(DEP_FILES),$(eval include $(DEP_FILES)))
221 c2xml.o: c2xml.c $(LIB_H)
222 $(QUIET_CC)$(CC) `pkg-config --cflags libxml-2.0` -o $@ -c $(ALL_CFLAGS) $<
224 compat-linux.o: compat/strtold.c compat/mmap-blob.c $(LIB_H)
225 compat-solaris.o: compat/mmap-blob.c $(LIB_H)
226 compat-mingw.o: $(LIB_H)
227 compat-cygwin.o: $(LIB_H)
229 %.o: %.c
230 $(QUIET_CC)$(CC) -o $@ -c $(ALL_CFLAGS) $<
232 clean: clean-check
233 rm -f *.[oa] .*.d *.so cwchash/*.o cwchash/.*.d cwchash/tester \
234 $(PROGRAMS) $(SLIB_FILE) pre-process.h sparse.pc
236 dist:
237 @if test "$(SPARSE_VERSION)" != "v$(VERSION)" ; then \
238 echo 'Update VERSION in the Makefile before running "make dist".' ; \
239 exit 1 ; \
241 git archive --format=tar --prefix=sparse-$(VERSION)/ HEAD^{tree} | gzip -9 > sparse-$(VERSION).tar.gz
243 check: all
244 $(Q)cd validation && ./test-suite
246 clean-check:
247 find validation/ \( -name "*.c.output.expected" \
248 -o -name "*.c.output.got" \
249 -o -name "*.c.output.diff" \
250 -o -name "*.c.error.expected" \
251 -o -name "*.c.error.got" \
252 -o -name "*.c.error.diff" \
253 \) -exec rm {} \;