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
|
# Platform-specific stuff
# Don't touch this unless you're changing the way targets are compiled
# You have been warned
# Platform-dependent stuff checks
CCLD := $(CC)
CLANG_TIDY ?= clang-tidy -quiet
CGO := go tool cgo
GO := go
CAT := cat
SED := sed
LCOV := lcov
GENHTML := genhtml
LIBEXT := .so
AREXT := .a
LIBTYPE := shared
MODTYPE := shared
ARTYPE := static
BINEXT :=
PLATFORM = Linux
ARCH := $(word 1, $(subst -, ,$(shell $(CC) -dumpmachine)))
# Library versioning flags (platform-specific)
comma := ,
SOVER = $(if $(1),-Wl$(comma)-soname$(comma)$(3)$(call SOVER_EXT,$(1)))
# Library versioned extension (platform-specific)
SOVER_EXT = $(LIBEXT).$(1)
ifeq ($(OS),Windows_NT)
PLATFORM := Windows
RM := del
LN := link
LIBEXT := .lib
BINEXT := .exe
else
UNAME := $(shell uname -s)
ifeq ($(UNAME),Darwin)
PLATFORM := Darwin
LIBEXT := .dylib
MODTYPE := dynamiclib
LDFLAGS += -Wl,-export_dynamic
# OS X specific hardening since -pie doesn't work
ifneq ($(HARDENING),no)
BINFLAGS += -Wl,-pie
endif
# Version is prepended to dylib
SOVER_EXT = .$(1)$(LIBEXT)
SOVER = $(if $(1), -compatibility_version $(2) -current_version $(1),)
else
PLATFORM := POSIX
LDFLAGS += -pthread -lm -Wl,--export-dynamic
# ELF hardening options
ifneq ($(HARDENING),no)
BINFLAGS += -pie
LDFLAGS += -Wl,-z,relro,-z,now
endif
ifeq ($(UNAME),Linux)
LDFLAGS += -ldl
endif
ifeq (GCC,$(shell $(CC) --version | grep -q -i '\<gcc\>' && echo GCC))
# Otherwise Fedora is making kresd symbols inaccessible for modules.
# Clang doesn't support this flag, so we hackily detect gcc.
BUILD_CFLAGS += -rdynamic
endif
endif
endif
# Silent compilation
ifeq ($(V),1)
quiet = $($1)
else
quiet = @echo " $1 $2"; $($1)
endif
# Make objects and depends (name)
define make_objs
$(1)_OBJ := $$($(1)_SOURCES:.c=.o)
$(1)_DEP := $$($(1)_SOURCES:.c=.d)
-include $$($(1)_DEP)
endef
define make_objrule
$(1): $(1:.o=.c)
$$(call quiet,CC,$$<) $(2) -MMD -MP -c $$< -o $$@
endef
# Make target (name,path,ext,ldflags, 5:dst,amalgable,abiver)
define make_target
ifeq ($(AMALG)|$(6), yes|yes)
$(1).amalg.c: $$($(1)_SOURCES)
$(call quiet,CAT,$$@) $$($(1)_SOURCES) > $$@
# AR requires .o compiled
$(1)_OBJ := $(1).amalg.c
ifeq ($(4),-$(ARTYPE))
$(1)_OBJ := $(1).amalg.o
endif
else
$$(eval $$(call make_objs,$(1)))
endif
# Rules to generate objects with custom CFLAGS and binary/library
$$(foreach obj,$$($(1)_OBJ),$$(eval $$(call make_objrule,$$(obj),$$(BUILD_CFLAGS) $$($(1)_CFLAGS))))
$(1) := $(2)/$(1)$(3)
$(2)/$(1)$(3): $$($(1)_OBJ) $$($(1)_DEPEND)
ifeq ($(4),-$(ARTYPE))
$(call quiet,AR,$$@) rcs $$@ $$($(1)_OBJ)
else
ifneq ($(strip $(7)),)
$(call quiet,CCLD,$$@) $$($(1)_CFLAGS) $(BUILD_CFLAGS) $$($(1)_OBJ) $(call SOVER,$(7),$(7),$(1)) -o $(2)/$(1)$(call SOVER_EXT,$(7)) $(4) $$($(1)_LIBS) $(BUILD_LDFLAGS) $$($(1)_LDFLAGS)
$(LN) -f $(1)$(call SOVER_EXT,$(7)) $$@
else
$(call quiet,CCLD,$$@) $$($(1)_CFLAGS) $(BUILD_CFLAGS) $$($(1)_OBJ) $(call SOVER,$(7),$(7),$(1)) -o $$@ $(4) $$($(1)_LIBS) $(BUILD_LDFLAGS) $$($(1)_LDFLAGS)
endif
endif
# Linter rules
$(1)-lint: $$($(1)_SOURCES)
$(call quiet,CLANG_TIDY,$(1)) $$($(1)_SOURCES) -- $(BUILD_CFLAGS) $$($(1)_CFLAGS) -DMP_FREELIST_SIZE=0 -D__clang_analyzer__
# Additional rules
$(1)-clean:
$(RM) $$($(1)_OBJ) $$($(1)_DEP) $(2)/$(1)$(3)
ifeq ($(6), yes)
$(RM) $(1).amalg.c $(1).amalg.o
endif
$(1)-install: $(2)/$(1)$(3)
# Modules install to special path
ifneq ($(5),$(MODULEDIR))
$(INSTALL) -d $(DESTDIR)$(5)
endif
# Versioned library install
ifneq ($(strip $(7)),)
$(INSTALL) $(2)/$(1)$(call SOVER_EXT,$(7)) $(DESTDIR)$(5)/
$(LN) -f $(1)$(call SOVER_EXT,$(7)) $(DESTDIR)$(5)/$(1)$(3)
else
$(INSTALL) $(2)/$(1)$(3) $(DESTDIR)$(5)
endif
ifneq ($$(strip $$($(1)_HEADERS)),)
$(INSTALL) -d $(DESTDIR)$(INCLUDEDIR)/$(1)
$(INSTALL) -m 644 $$($(1)_HEADERS) $(DESTDIR)$(INCLUDEDIR)/$(1)
endif
.PHONY: $(1)-clean $(1)-install
endef
# Make targets (name,path,amalgable yes|no,abiver)
make_bin = $(call make_target,$(1),$(2),$(BINEXT),$(BINFLAGS),$(BINDIR),$(3))
make_sbin = $(call make_target,$(1),$(2),$(BINEXT),$(BINFLAGS),$(SBINDIR),$(3))
make_lib = $(call make_target,$(1),$(2),$(LIBEXT),-$(LIBTYPE),$(LIBDIR),$(3),$(4))
make_module = $(call make_target,$(1),$(2),$(LIBEXT),-$(LIBTYPE),$(MODULEDIR),$(3))
make_static = $(call make_target,$(1),$(2),$(AREXT),-$(ARTYPE),$(LIBDIR),$(3))
# Find library (pkg-config)
define find_lib
$(call find_alt,$(1),$(1),$(2))
endef
# Find library alternative (pkg-config)
define find_alt
ifeq ($$(strip $$($(1)_LIBS)),)
ifneq ($(strip $(3)),)
$(1)_VER := $(shell pkg-config --atleast-version=$(3) $(2) && echo $(3))
endif
ifeq ($(strip $(3)),$$($(1)_VER))
$(1)_CFLAGS := $(shell pkg-config --cflags $(2) --silence-errors)
$(1)_LIBS := $(shell pkg-config --libs $(2) --silence-errors)
endif
endif
ifeq ($$(strip $$($(1)_LIBS)),)
HAS_$(1) := no
else
HAS_$(1) := yes
endif
endef
# Find binary
define find_bin
ifeq ($$(strip $$($(1)_BIN)),)
$(1)_BIN := $(shell which $(1))
endif
ifeq ($$(strip $$($(1)_BIN)),)
HAS_$(1) := no
else
HAS_$(1) := yes
$(1) := $$($(1)_BIN)
endif
endef
# Find version
define find_ver
ifeq ($(shell test $(2) -ge $(3); echo $$?),0)
HAS_$(1) := yes
else
HAS_$(1) := no
endif
endef
# Find Go package
define find_gopkg
HAS_$(1) := $(shell go list $(2) > /dev/null 2>&1 && echo yes || echo no)
endef
# Find Lua package
define find_luapkg
HAS_$(1) := $(shell luajit -l $(1) -e "os.exit(0)"> /dev/null 2>&1 && echo yes || echo no)
endef
# Find Python package
define find_pythonpkg
HAS_$(1) := $(shell python3 -c "import $(1)" > /dev/null 2>&1 && echo yes || echo no)
endef
define find_soname
# N/A on Windows
ifeq ($(PLATFORM),Windows)
$(1)_SONAME = $(1).dll
endif
# Use otool -D on OS X
ifeq ($(PLATFORM),Darwin)
$(1)_SONAME = $$(shell otool -D $$$$(pkg-config --variable=libdir $(1))/$(1)$(LIBEXT) | sed -ne 's,.*/\($(1)\.[0-9]*.$(LIBEXT)\),\1,p')
endif
# Use objdump -p on Linux and BSDs
ifeq ($(PLATFORM),POSIX)
ifeq ($(UNAME),OpenBSD)
$(1)_SONAME = $$(shell basename $$$$(readlink -f $$$$(pkg-config --variable=libdir $(1))/$(1)$(LIBEXT)) | cut -f 1-3 -d .)
else
$(1)_SONAME = $$(shell objdump -p $$$$(pkg-config --variable=libdir $(1))/$(1)$(LIBEXT) | sed -ne 's/[[:space:]]*SONAME[[:space:]]*\($(1)\.so\.[0-4]*\)/\1/p')
endif
endif
endef # find_soname
# Use this on OpenBSD
#
|