Makefile.rules

   1 #
   2 # Asterisk -- An open source telephony toolkit.
   3 #
   4 # Makefile rules
   5 #
   6 # Copyright (C) 2006-2010, Digium, Inc.
   7 #
   8 # Kevin P. Fleming <kpfleming@digium.com>
   9 #
  10 # This program is free software, distributed under the terms of
  11 # the GNU General Public License
  12 #
  13
  14 # Each command is preceded by a short comment on what to do.
  15 # Prefixing one or the other with @\# or @ or nothing makes the desired
  16 # behaviour. ECHO_PREFIX prefixes the comment, CMD_PREFIX prefixes the command.
  17
  18 -include $(ASTTOPDIR)/makeopts
  19
  20 # Helpful functions
  21 # call with $(call function,...)
  22 tolower = $(shell echo $(1) | tr '[:upper:]' '[:lower:]')
  23 # Takes a list of MENUSELECT_CFLAG Id and returns CFLAGS to declare
  24 # the ones which are enabled.
  25 get_menuselect_cflags=$(patsubst %,-D%,$(filter $1,$(MENUSELECT_CFLAGS)))
  26
  27 .PHONY: dist-clean
  28
  29 # If 'make' decides to create intermediate files to satisfy a build requirement
  30 # (like producing a .i from a .c), we want to keep them, so tell make to keep
  31 # all intermediate files
  32 .SECONDARY:
  33
  34 # extra cflags to build dependencies. Recursively expanded.
  35 MAKE_DEPS=-MD -MT $@ -MF .$(subst /,_,$@).d -MP
  36
  37 ifeq ($(findstring ADDRESS_SANITIZER,$(MENUSELECT_CFLAGS)),ADDRESS_SANITIZER)
  38     _ASTLDFLAGS+=-fsanitize=address
  39     _ASTCFLAGS+=-fno-omit-frame-pointer -fsanitize=address
  40 endif
  41
  42 ifeq ($(findstring THREAD_SANITIZER,$(MENUSELECT_CFLAGS)),THREAD_SANITIZER)
  43     _ASTLDFLAGS+=-fsanitize=thread -pie -fPIE
  44     _ASTCFLAGS+=-fno-omit-frame-pointer -pie -fPIE -fsanitize=thread
  45 endif
  46
  47 ifeq ($(findstring LEAK_SANITIZER,$(MENUSELECT_CFLAGS)),LEAK_SANITIZER)
  48     _ASTLDFLAGS+=-fsanitize=leak
  49     _ASTCFLAGS+=-fno-omit-frame-pointer -fsanitize=leak
  50 endif
  51
  52 ifeq ($(findstring UNDEFINED_SANITIZER,$(MENUSELECT_CFLAGS)),UNDEFINED_SANITIZER)
  53     _ASTLDFLAGS+=-fsanitize=undefined
  54     _ASTCFLAGS+=-fno-omit-frame-pointer -fsanitize=undefined
  55 endif
  56
  57 ifeq ($(NOISY_BUILD),)
  58     ECHO_PREFIX=@
  59     CMD_PREFIX=@
  60 else
  61     ECHO_PREFIX=@\#
  62     CMD_PREFIX=
  63 endif
  64
  65 OPTIMIZE?=-O3
  66
  67 ifneq ($(findstring darwin,$(OSARCH)),)
  68   ifeq ($(shell if test `/usr/bin/sw_vers -productVersion | cut -c4` -gt 5; then echo 6; else echo 0; fi),6)
  69     # Snow Leopard/Lion has an issue with this optimization flag on large files
  70     OPTIMIZE+=-fno-inline-functions
  71   endif
  72 endif
  73
  74 ifeq ($(CC),gcc)
  75     # gcc version 8.2.1 and above must have partial-inlining disabled in order
  76     # to avoid a documented bug. Sort to make the lowest version number come
  77     # first. If it's the specified version then the current gcc version is equal
  78     # to or greater, so add the custom optimization rule.
  79     gcc_versions=$(shell printf "%s\n" $$(gcc -dumpversion) 8.2.1 | sort -n)
  80     ifeq ($(firstword $(gcc_versions)),8.2.1)
  81         OPTIMIZE+=-fno-partial-inlining
  82         endif
  83 endif
  84
  85 ifeq ($(findstring DONT_OPTIMIZE,$(MENUSELECT_CFLAGS))$(AST_CODE_COVERAGE),no)
  86     _ASTCFLAGS+=$(OPTIMIZE)
  87 else
  88     _ASTCFLAGS+=-O0
  89 endif
  90
  91 ifeq ($(AST_CODE_COVERAGE),yes)
  92     _ASTCFLAGS_COVERAGE=-ftest-coverage -fprofile-arcs
  93     _ASTLDFLAGS+=-ftest-coverage -fprofile-arcs
  94 else
  95     _ASTCFLAGS_COVERAGE=
  96 endif
  97
  98 ifeq ($(findstring $(CONFIG_CFLAGS),$(_ASTCFLAGS)),)
  99     _ASTCFLAGS+=$(CONFIG_CFLAGS)
 100 endif
 101
 102 # shortcuts for common combinations of flags; these must be recursively expanded so that
 103 # per-target settings will be applied
 104 CC_CFLAGS=$(PTHREAD_CFLAGS) $(_ASTCFLAGS) $(ASTCFLAGS)
 105 CXX_CFLAGS=$(PTHREAD_CFLAGS) $(filter-out -Wstrict-prototypes -Wmissing-prototypes -Wmissing-declarations $(AST_DECLARATION_AFTER_STATEMENT),$(_ASTCFLAGS) $(ASTCFLAGS))
 106
 107 # Clang -Werror warning suppressions
 108 ifeq ($(C_COMPILER_FAMILY),clang)
 109         CC_CFLAGS+=-Wno-unused-value -Wno-parentheses-equality
 110 endif
 111
 112 ifeq ($(GNU_LD),1)
 113 SO_SUPPRESS_SYMBOLS=-Wl,--version-script,$(subst .so,.exports,$@),--warn-common
 114 ifneq ($(wildcard $(subst .so,.dynamics,$@)),)
 115 SO_SUPPRESS_SYMBOLS+=-Wl,--dynamic-list,$(subst .so,.dynamics,$@)
 116 endif
 117 endif
 118
 119 CC_LDFLAGS_SO=$(PTHREAD_CFLAGS) $(_ASTLDFLAGS) $(SOLINK) $(SO_SUPPRESS_SYMBOLS) $(ASTLDFLAGS)
 120 CXX_LDFLAGS_SO=$(PTHREAD_CFLAGS) $(_ASTLDFLAGS) $(SOLINK) $(SO_SUPPRESS_SYMBOLS) $(ASTLDFLAGS)
 121 CC_LIBS=$(PTHREAD_LIBS) $(LIBS)
 122 CXX_LIBS=$(PTHREAD_LIBS) $(LIBS)
 123
 124 # determine whether to double-compile so that the optimizer can report code path problems
 125 # In this case, we run the preprocessor to produce a .i or .ii file from the source
 126 # code, then compile once with optimizer enabled (and the output to /dev/null),
 127 # and if that doesn't fail then compile again with optimizer disabled
 128
 129 ifeq ($(findstring COMPILE_DOUBLE,$(MENUSELECT_CFLAGS)),COMPILE_DOUBLE)
 130 COMPILE_DOUBLE=yes
 131 endif
 132
 133 ifeq ($(findstring DONT_OPTIMIZE,$(MENUSELECT_CFLAGS))$(AST_DEVMODE),)
 134 _ASTCFLAGS+=$(AST_FORTIFY_SOURCE)
 135 endif
 136
 137 ifeq ($(findstring BUILD_NATIVE,$(MENUSELECT_CFLAGS)),BUILD_NATIVE)
 138     _ASTCFLAGS+=-march=native
 139 endif
 140
 141 %.o: %.s
 142         $(ECHO_PREFIX) echo "   [AS] $< -> $@"
 143 ifeq ($(COMPILE_DOUBLE),yes)
 144         $(CMD_PREFIX) $(CC) -o /dev/null -c $< $(CC_CFLAGS) $(OPTIMIZE)
 145 endif
 146         $(CMD_PREFIX) $(CC) -o $@ -c $< $(CC_CFLAGS) $(_ASTCFLAGS_COVERAGE)
 147
 148 %.o: %.i
 149         $(ECHO_PREFIX) echo "   [CCi] $< -> $@"
 150 ifneq ($(AST_CLANG_BLOCKS),)
 151 ifeq ($(COMPILE_DOUBLE),yes)
 152         $(CMD_PREFIX) $(CC) -o /dev/null -c $< $(CC_CFLAGS) $(OPTIMIZE) -Wno-unused-command-line-argument
 153 endif
 154         $(CMD_PREFIX) $(CC) -o $@ -c $< $(CC_CFLAGS) $(_ASTCFLAGS_COVERAGE) -Wno-unused-command-line-argument
 155 else
 156 ifeq ($(COMPILE_DOUBLE),yes)
 157         $(CMD_PREFIX) $(CC) -o /dev/null -c $< $(CC_CFLAGS) $(OPTIMIZE)
 158 endif
 159         $(CMD_PREFIX) $(CC) -o $@ -c $< $(CC_CFLAGS) $(_ASTCFLAGS_COVERAGE)
 160 endif
 161
 162 ifneq ($(COMPILE_DOUBLE),yes)
 163 %.o: %.c
 164         $(ECHO_PREFIX) echo "   [CC] $< -> $@"
 165         $(CMD_PREFIX) $(CC) -o $@ -c $< $(MAKE_DEPS) $(CC_CFLAGS) $(_ASTCFLAGS_COVERAGE)
 166 endif
 167
 168 %.i: %.c
 169         $(ECHO_PREFIX) echo "   [CPP] $< -> $@"
 170         $(CMD_PREFIX) $(CC) -o $@ -E $< $(MAKE_DEPS) $(CC_CFLAGS) $(_ASTCFLAGS_COVERAGE)
 171
 172 %.oo: %.ii
 173         $(ECHO_PREFIX) echo "   [CXXi] $< -> $@"
 174 ifeq ($(COMPILE_DOUBLE),yes)
 175         $(CMD_PREFIX) $(CXX) -o /dev/null -c $< $(CXX_CFLAGS) $(OPTIMIZE)
 176 endif
 177         $(CMD_PREFIX) $(CXX) -o $@ -c $< $(CXX_CFLAGS) $(_ASTCFLAGS_COVERAGE)
 178
 179 ifneq ($(COMPILE_DOUBLE),yes)
 180 %.oo: %.cc
 181         $(ECHO_PREFIX) echo "   [CXX] $< -> $@"
 182         $(CMD_PREFIX) $(CXX) -o $@ -c $< $(MAKE_DEPS) $(CXX_CFLAGS) $(_ASTCFLAGS_COVERAGE)
 183 endif
 184
 185 %.ii: %.cc
 186         $(ECHO_PREFIX) echo "   [CPP] $< -> $@"
 187         $(CMD_PREFIX) $(CXX) -o $@ -E $< $(MAKE_DEPS) $(CXX_CFLAGS) $(_ASTCFLAGS_COVERAGE)
 188
 189 %.so: %.o
 190 ifeq ($(GNU_LD),1)
 191         $(CMD_PREFIX) $(ASTTOPDIR)/build_tools/make_linker_version_script $* "$(LINKER_SYMBOL_PREFIX)" "$(ASTTOPDIR)"
 192 endif
 193         $(ECHO_PREFIX) echo "   [LD] $^ -> $@"
 194         $(CMD_PREFIX) $(CC) -o $@ $(CC_LDFLAGS_SO) $^ $(CC_LIBS)
 195
 196 %.so: %.oo
 197 ifeq ($(GNU_LD),1)
 198         $(CMD_PREFIX) $(ASTTOPDIR)/build_tools/make_linker_version_script $* "$(LINKER_SYMBOL_PREFIX)" "$(ASTTOPDIR)"
 199 endif
 200         $(ECHO_PREFIX) echo "   [LDXX] $^ -> $@"
 201         $(CMD_PREFIX) $(CXX) -o $@ $(CXX_LDFLAGS_SO) $^ $(CXX_LIBS)
 202
 203 %: %.o
 204         $(ECHO_PREFIX) echo "   [LD] $^ -> $@"
 205         $(CMD_PREFIX) $(CXX) -o $@ $(PTHREAD_CFLAGS) $(_ASTLDFLAGS) $^ $(CXX_LIBS) $(ASTLDFLAGS)
 206
 207 # These CC commands just create an object file with the input file embedded in it.
 208 # It can be access from code as follows:
 209 # If your input file is named abc_def.xml...
 210 #
 211 # extern const uint8_t _binary_abc_def_xml_start[];
 212 # extern const uint8_t _binary_abc_def_xml_end[];
 213 # extern const size_t _binary_abc_def_xml_size;
 214 %.o: %.xml
 215         $(ECHO_PREFIX) echo "   [LD] $^ -> $@"
 216         $(CMD_PREFIX) $(CC) -g -Wl,-znoexecstack -nostartfiles  -nodefaultlibs -nostdlib -r -Wl,-b,binary -o $@ $^
 217
 218 %.o: %.xslt
 219         $(ECHO_PREFIX) echo "   [LD] $^ -> $@"
 220         $(CMD_PREFIX) $(CC) -g -Wl,-znoexecstack -nostartfiles  -nodefaultlibs -nostdlib -r -Wl,-b,binary -o $@ $^
 221
 222 dist-clean:: clean