1# Support building the Python bindings multiple times, against various Python
2# runtimes (e.g. Python 2 vs Python 3) by optionally prefixing the build
3# targets with "PYPREFIX":
4PYTHON ?= python
5PYPREFIX ?= $(shell $(PYTHON) -c 'import sys;print("python-%d.%d" % sys.version_info[:2])')
6RUBY ?= ruby
7RUBYPREFIX ?= $(notdir $(RUBY))
8PKG_CONFIG ?= pkg-config
9
10# Installation directories.
11PREFIX ?= $(DESTDIR)/usr
12LIBDIR ?= $(PREFIX)/lib
13SHLIBDIR ?= $(DESTDIR)/lib
14INCLUDEDIR ?= $(PREFIX)/include
15PYINC ?= $(shell $(PKG_CONFIG) --cflags $(PYPREFIX))
16PYLIBS ?= $(shell $(PKG_CONFIG) --libs $(PYPREFIX))
17PYSITEDIR ?= $(DESTDIR)$(shell $(PYTHON) -c 'import site; print(site.getsitepackages()[0])')
18PYCEXT ?= $(shell $(PYTHON) -c 'import imp;print([s for s,m,t in imp.get_suffixes() if t == imp.C_EXTENSION][0])')
19RUBYINC ?= $(shell $(RUBY) -e 'puts "-I" + RbConfig::CONFIG["rubyarchhdrdir"] + " -I" + RbConfig::CONFIG["rubyhdrdir"]')
20RUBYLIBS ?= $(shell $(RUBY) -e 'puts "-L" + RbConfig::CONFIG["libdir"] + " -L" + RbConfig::CONFIG["archlibdir"] + " " + RbConfig::CONFIG["LIBRUBYARG_SHARED"]')
21RUBYINSTALL ?= $(DESTDIR)$(shell $(RUBY) -e 'puts RbConfig::CONFIG["vendorarchdir"]')
22LIBBASE ?= $(shell basename $(LIBDIR))
23LIBSEPOLA ?= $(LIBDIR)/libsepol.a
24
25VERSION = $(shell cat ../VERSION)
26LIBVERSION = 1
27
28OS ?= $(shell uname)
29
30ifeq ($(shell $(CC) -v 2>&1 | grep "clang"),)
31COMPILER ?= gcc
32else
33COMPILER ?= clang
34endif
35
36LIBA=libselinux.a
37TARGET=libselinux.so
38LIBPC=libselinux.pc
39SWIGIF= selinuxswig_python.i selinuxswig_python_exception.i
40SWIGRUBYIF= selinuxswig_ruby.i
41SWIGCOUT= selinuxswig_wrap.c
42SWIGPYOUT= selinux.py
43SWIGRUBYCOUT= selinuxswig_ruby_wrap.c
44SWIGLOBJ:= $(patsubst %.c,$(PYPREFIX)%.lo,$(SWIGCOUT))
45SWIGRUBYLOBJ:= $(patsubst %.c,%.lo,$(SWIGRUBYCOUT))
46SWIGSO=$(PYPREFIX)_selinux.so
47SWIGFILES=$(SWIGSO) $(SWIGPYOUT)
48SWIGRUBYSO=$(RUBYPREFIX)_selinux.so
49LIBSO=$(TARGET).$(LIBVERSION)
50AUDIT2WHYLOBJ=$(PYPREFIX)audit2why.lo
51AUDIT2WHYSO=$(PYPREFIX)audit2why.so
52
53GENERATED=$(SWIGCOUT) $(SWIGRUBYCOUT) selinuxswig_python_exception.i
54SRCS= $(filter-out $(GENERATED) audit2why.c, $(sort $(wildcard *.c)))
55
56MAX_STACK_SIZE=32768
57
58ifeq ($(COMPILER), gcc)
59EXTRA_CFLAGS = -fipa-pure-const -Wlogical-op -Wpacked-bitfield-compat -Wsync-nand \
60	-Wcoverage-mismatch -Wcpp -Wformat-contains-nul -Wnormalized=nfc -Wsuggest-attribute=const \
61	-Wsuggest-attribute=noreturn -Wsuggest-attribute=pure -Wtrampolines -Wjump-misses-init \
62	-Wno-suggest-attribute=pure -Wno-suggest-attribute=const -Wp,-D_FORTIFY_SOURCE
63else
64EXTRA_CFLAGS = -Wunused-command-line-argument
65endif
66
67OBJS= $(patsubst %.c,%.o,$(SRCS))
68LOBJS= $(patsubst %.c,%.lo,$(SRCS))
69CFLAGS ?= -O -Wall -W -Wundef -Wformat-y2k -Wformat-security -Winit-self -Wmissing-include-dirs \
70          -Wunused -Wunknown-pragmas -Wstrict-aliasing -Wshadow -Wpointer-arith \
71          -Wbad-function-cast -Wcast-align -Wwrite-strings -Waggregate-return \
72          -Wstrict-prototypes -Wold-style-definition -Wmissing-prototypes \
73          -Wmissing-declarations -Wmissing-noreturn -Wmissing-format-attribute \
74          -Wredundant-decls -Wnested-externs -Winline -Winvalid-pch -Wvolatile-register-var \
75          -Wdisabled-optimization -Wbuiltin-macro-redefined \
76          -Wattributes -Wmultichar \
77          -Wdeprecated-declarations -Wdiv-by-zero -Wdouble-promotion -Wendif-labels -Wextra \
78          -Wformat-extra-args -Wformat-zero-length -Wformat=2 -Wmultichar \
79          -Woverflow -Wpointer-to-int-cast -Wpragmas \
80          -Wno-missing-field-initializers -Wno-sign-compare \
81          -Wno-format-nonliteral -Wframe-larger-than=$(MAX_STACK_SIZE) \
82          -fstack-protector-all --param=ssp-buffer-size=4 -fexceptions \
83          -fasynchronous-unwind-tables -fdiagnostics-show-option -funit-at-a-time \
84          -Werror -Wno-aggregate-return -Wno-redundant-decls \
85          $(EXTRA_CFLAGS)
86
87LD_SONAME_FLAGS=-soname,$(LIBSO),-z,defs,-z,relro
88
89ifeq ($(OS), Darwin)
90override CFLAGS += -I/opt/local/include
91override LDFLAGS += -L/opt/local/lib -undefined dynamic_lookup
92LD_SONAME_FLAGS=-install_name,$(LIBSO)
93endif
94
95PCRE_LDLIBS ?= -lpcre
96
97override CFLAGS += -I../include -D_GNU_SOURCE $(DISABLE_FLAGS) $(PCRE_CFLAGS)
98
99SWIG_CFLAGS += -Wno-error -Wno-unused-variable -Wno-unused-but-set-variable -Wno-unused-parameter \
100		-Wno-shadow -Wno-uninitialized -Wno-missing-prototypes -Wno-missing-declarations
101
102RANLIB ?= ranlib
103
104ARCH := $(patsubst i%86,i386,$(shell uname -m))
105ifneq (,$(filter i386,$(ARCH)))
106TLSFLAGS += -mno-tls-direct-seg-refs
107endif
108
109ifeq ($(ANDROID_HOST),y)
110DISABLE_FLAGS+= -DNO_MEDIA_BACKEND -DNO_DB_BACKEND -DNO_X_BACKEND \
111	-DBUILD_HOST
112SRCS= callbacks.c freecon.c label.c label_file.c \
113	label_backends_android.c regex.c label_support.c \
114	matchpathcon.c setrans_client.c sha1.c booleans.c
115else
116DISABLE_FLAGS+= -DNO_ANDROID_BACKEND
117SRCS:= $(filter-out label_backends_android.c, $(SRCS))
118endif
119
120SWIG = swig -Wall -python -o $(SWIGCOUT) -outdir ./ $(DISABLE_FLAGS)
121
122SWIGRUBY = swig -Wall -ruby -o $(SWIGRUBYCOUT) -outdir ./ $(DISABLE_FLAGS)
123
124all: $(LIBA) $(LIBSO) $(LIBPC)
125
126pywrap: all $(SWIGFILES) $(AUDIT2WHYSO)
127
128rubywrap: all $(SWIGRUBYSO)
129
130$(SWIGLOBJ): $(SWIGCOUT)
131	$(CC) $(CFLAGS) $(SWIG_CFLAGS) $(PYINC) -fPIC -DSHARED -c -o $@ $<
132
133$(SWIGRUBYLOBJ): $(SWIGRUBYCOUT)
134	$(CC) $(CFLAGS) $(SWIG_CFLAGS) $(RUBYINC) -fPIC -DSHARED -c -o $@ $<
135
136$(SWIGSO): $(SWIGLOBJ)
137	$(CC) $(CFLAGS) $(LDFLAGS) -L. -shared -o $@ $< -lselinux $(PYLIBS)
138
139$(SWIGRUBYSO): $(SWIGRUBYLOBJ)
140	$(CC) $(CFLAGS) $(LDFLAGS) -L. -shared -o $@ $^ -lselinux $(RUBYLIBS)
141
142$(LIBA): $(OBJS)
143	$(AR) rcs $@ $^
144	$(RANLIB) $@
145
146$(LIBSO): $(LOBJS)
147	$(CC) $(CFLAGS) $(LDFLAGS) -shared -o $@ $^ $(PCRE_LDLIBS) -ldl -Wl,$(LD_SONAME_FLAGS)
148	ln -sf $@ $(TARGET)
149
150$(LIBPC): $(LIBPC).in ../VERSION
151	sed -e 's/@VERSION@/$(VERSION)/; s:@prefix@:$(PREFIX):; s:@libdir@:$(LIBBASE):; s:@includedir@:$(INCLUDEDIR):; s:@PCRE_MODULE@:$(PCRE_MODULE):' < $< > $@
152
153selinuxswig_python_exception.i: ../include/selinux/selinux.h
154	bash -e exception.sh > $@ || (rm -f $@ ; false)
155
156$(AUDIT2WHYLOBJ): audit2why.c
157	$(CC) $(filter-out -Werror, $(CFLAGS)) $(PYINC) -fPIC -DSHARED -c -o $@ $<
158
159$(AUDIT2WHYSO): $(AUDIT2WHYLOBJ) $(LIBSEPOLA)
160	$(CC) $(CFLAGS) $(LDFLAGS) -L. -shared -o $@ $^ -lselinux $(PYLIBS)
161
162%.o:  %.c policy.h
163	$(CC) $(CFLAGS) $(TLSFLAGS) -c -o $@ $<
164
165%.lo:  %.c policy.h
166	$(CC) $(CFLAGS) -fPIC -DSHARED -c -o $@ $<
167
168$(SWIGCOUT): $(SWIGIF)
169	$(SWIG) $<
170
171$(SWIGPYOUT): $(SWIGCOUT)
172
173$(SWIGRUBYCOUT): $(SWIGRUBYIF)
174	$(SWIGRUBY) $<
175
176swigify: $(SWIGIF)
177	$(SWIG) $<
178
179install: all
180	test -d $(LIBDIR) || install -m 755 -d $(LIBDIR)
181	install -m 644 $(LIBA) $(LIBDIR)
182	test -d $(SHLIBDIR) || install -m 755 -d $(SHLIBDIR)
183	install -m 755 $(LIBSO) $(SHLIBDIR)
184	test -d $(LIBDIR)/pkgconfig || install -m 755 -d $(LIBDIR)/pkgconfig
185	install -m 644 $(LIBPC) $(LIBDIR)/pkgconfig
186	ln -sf --relative $(SHLIBDIR)/$(LIBSO) $(LIBDIR)/$(TARGET)
187
188install-pywrap: pywrap
189	test -d $(PYSITEDIR)/selinux || install -m 755 -d $(PYSITEDIR)/selinux
190	install -m 755 $(SWIGSO) $(PYSITEDIR)/_selinux$(PYCEXT)
191	install -m 755 $(AUDIT2WHYSO) $(PYSITEDIR)/selinux/audit2why$(PYCEXT)
192	install -m 644 $(SWIGPYOUT) $(PYSITEDIR)/selinux/__init__.py
193
194install-rubywrap: rubywrap
195	test -d $(RUBYINSTALL) || install -m 755 -d $(RUBYINSTALL)
196	install -m 755 $(SWIGRUBYSO) $(RUBYINSTALL)/selinux.so
197
198relabel:
199	/sbin/restorecon $(SHLIBDIR)/$(LIBSO)
200
201clean-pywrap:
202	-rm -f $(SWIGLOBJ) $(SWIGSO) $(AUDIT2WHYLOBJ) $(AUDIT2WHYSO)
203
204clean-rubywrap:
205	-rm -f $(SWIGRUBYLOBJ) $(SWIGRUBYSO)
206
207clean: clean-pywrap clean-rubywrap
208	-rm -f $(LIBPC) $(OBJS) $(LOBJS) $(LIBA) $(LIBSO) $(TARGET) *.o *.lo *~
209
210distclean: clean
211	rm -f $(GENERATED) $(SWIGFILES)
212
213indent:
214	../../scripts/Lindent $(filter-out $(GENERATED),$(wildcard *.[ch]))
215
216.PHONY: all clean clean-pywrap clean-rubywrap pywrap rubywrap swigify install install-pywrap install-rubywrap distclean
217