build/rules.mk

   1 ##
   2 ## Some make rules
   3 ##
   4
   5 ifdef MODULE
   6 ifeq ($(PRELOAD_MODULES),1)
   7 MODULE_TARGETS := $(MODULE).a $(MODULE).lc
   8 else
   9 MODULE_TARGETS := $(MODULE).so $(MODULE).lc
  10 endif
  11 TARGETS := $(TARGETS) $(MODULE_TARGETS)
  12 endif
  13
  14 ifdef LUA_SOURCES
  15 LUA_COMPILED := $(subst .lua,.lc, $(LUA_SOURCES))
  16 TARGETS := $(TARGETS) $(LUA_COMPILED)
  17 endif
  18
  19 ifdef EXTRA_EXECUTABLE
  20 EXECUTABLE := $(EXTRA_EXECUTABLE)
  21 BINDIR_ := $(EXTRABINDIR)
  22 endif
  23
  24 ifdef EXECUTABLE
  25 BINDIR_ ?= $(BINDIR)
  26 EXECUTABLE_ := $(EXECUTABLE)$(BIN_SUFFIX)
  27 TARGETS := $(TARGETS) $(EXECUTABLE_)
  28 endif
  29
  30
  31 # Main targets
  32 ######################################
  33
  34 .PHONY: subdirs
  35 .PHONY: subdirs-clean
  36 .PHONY: subdirs-realclean
  37 .PHONY: subdirs-install
  38 .PHONY: _install
  39 .PHONY: _exports
  40
  41 all: subdirs _exports $(TARGETS)
  42
  43 clean: subdirs-clean _clean
  44
  45 realclean: subdirs-realclean _clean _realclean
  46
  47 install: subdirs-install _install
  48
  49
  50 ifdef MAKE_EXPORTS
  51
  52 # Exports
  53 ######################################
  54
  55 EXPORTS_C = exports.c
  56 EXPORTS_H = exports.h
  57
  58 TO_CLEAN := $(TO_CLEAN) $(EXPORTS_C) $(EXPORTS_H)
  59
  60 _exports: $(EXPORTS_C)
  61
  62 # this funny syntax (more than one pattern-based target) is meant to tell Make
  63 # that this rule makes BOTH of these targets. Look at the last paragraph of
  64 # http://www.gnu.org/software/make/manual/html_node/Pattern-Intro.html
  65 %xports.c %xports.h: $(SOURCES) $(MKEXPORTS_EXTRA_DEPS)
  66         $(MKEXPORTS) -module $(MAKE_EXPORTS) -o $(EXPORTS_C) -h $(EXPORTS_H) \
  67         $(SOURCES) $(MKEXPORTS_EXTRAS)
  68
  69 # Exports documentation
  70 ######################################
  71
  72 EXPORTS_DOC = exports.tex
  73
  74 TO_CLEAN := $(TO_CLEAN) $(EXPORTS_DOC)
  75
  76 _exports_doc: $(EXPORTS_DOC)
  77
  78 $(EXPORTS_DOC): $(SOURCES) $(LUA_SOURCES) $(MKEXPORTS_EXTRA_DEPS)
  79         $(MKEXPORTS) -mkdoc -module $(MAKE_EXPORTS) -o $(EXPORTS_DOC) \
  80         $(SOURCES) $(LUA_SOURCES) $(MKEXPORTS_EXTRAS)
  81
  82 else # !MAKE_EXPORTS
  83
  84 EXPORTS_C =
  85 EXPORTS_H =
  86 EXPORTS_DOC =
  87
  88 endif # !MAKE_EXPORTS
  89
  90
  91 # Compilation and linking
  92 ######################################
  93
  94 OBJS=$(subst .c,.o,$(SOURCES) $(EXPORTS_C))
  95
  96
  97 ifdef EXECUTABLE
  98
  99 ifdef MODULE_LIST
 100 ifdef MODULE_PATH
 101 ifeq ($(PRELOAD_MODULES),1)
 102 EXT_OBJS += $(foreach mod, $(MODULE_LIST), $(MODULE_PATH)/$(mod)/$(mod).a)
 103 SOURCES += preload.c
 104 TO_CLEAN += preload.c
 105 else # !PRELOAD_MODULES
 106 LDFLAGS += $(EXPORT_DYNAMIC)
 107 WHOLEA = -Wl,-whole-archive
 108 NO_WHOLEA = -Wl,-no-whole-archive
 109 endif # !PRELOAD_MODULES
 110
 111 preload.c:
 112         $(LUA) $(TOPDIR)/build/mkpreload.lua $(MODULE_LIST) > preload.c
 113
 114 endif # MODULE_PATH
 115 endif # MODULE_LIST
 116
 117 ifeq ($(RELOCATABLE),1)
 118 DEFINES += -DCF_RELOCATABLE_BIN_LOCATION=\"$(BINDIR_)/$(EXECUTABLE)\"
 119 endif
 120
 121 DEFINES += -DCF_EXECUTABLE=\"$(EXECUTABLE)\"
 122
 123 $(EXECUTABLE_): $(OBJS) $(EXT_OBJS)
 124         $(CC) $(OBJS) $(WHOLEA) $(EXT_OBJS) $(NO_WHOLEA) $(LDFLAGS) -o $@
 125
 126 executable_install:
 127         $(INSTALLDIR) $(DESTDIR)$(BINDIR_)
 128         $(INSTALLBIN) $(EXECUTABLE_) $(DESTDIR)$(BINDIR_)
 129
 130 endif # EXECUTABLE
 131
 132
 133
 134 %.o: %.c
 135         $(CC) $(CFLAGS) -c $< -o $@
 136
 137 ifdef MODULE
 138
 139 ifneq ($(PRELOAD_MODULES),1)
 140
 141 CFLAGS += -fPIC -DPIC
 142 LD_SHAREDFLAGS=-shared
 143
 144 # notion might not link to Xext, so modules will have to link to it themselves
 145 # if they need it:
 146 LIBS += $(X11_LIBS)
 147
 148 $(MODULE).so: $(OBJS) $(EXT_OBJS)
 149         $(CC) $(LD_SHAREDFLAGS) $(LDFLAGS) $(OBJS) $(EXT_OBJS) $(LIBS) -o $@
 150
 151
 152 module_install: module_stub_install
 153         $(INSTALLDIR) $(DESTDIR)$(MODULEDIR)
 154         $(INSTALLBIN) $(MODULE).so $(DESTDIR)$(MODULEDIR)
 155
 156 else # PRELOAD_MODULES
 157
 158 PICOPT=-fPIC -DPIC
 159 LINKOPT=-shared
 160
 161 $(MODULE).a: $(OBJS) $(EXT_OBJS)
 162         $(AR) $(ARFLAGS) $@ $+
 163         $(RANLIB) $@
 164
 165 module_install: module_stub_install
 166
 167 endif # PRELOAD_MODULES
 168
 169 module_stub_install:
 170         $(INSTALLDIR) $(DESTDIR)$(LCDIR)
 171         $(INSTALL) -m $(DATA_MODE) $(MODULE).lc $(DESTDIR)$(LCDIR)
 172
 173 ifndef MODULE_STUB
 174
 175 $(MODULE).lc:
 176         echo "ioncore.load_module('$(MODULE)') package.loaded['$(MODULE)']=true" | $(LUAC) -o $@ -
 177 else
 178
 179 LUA_SOURCES += $(MODULE_STUB)
 180
 181 endif #MODULE_STUB
 182
 183 endif# !MODULE
 184
 185
 186 # Clean rules
 187 ######################################
 188
 189 _clean:
 190         $(RM) -f $(TO_CLEAN) core *.d $(OBJS)
 191
 192 _realclean:
 193         $(RM) -f $(TO_REALCLEAN) $(TARGETS)
 194
 195 # Lua rules
 196 ######################################
 197
 198 %.lc: %.lua
 199         $(LUAC) -o $@ $<
 200
 201 lc_install:
 202         $(INSTALLDIR) $(DESTDIR)$(LCDIR)
 203         for i in $(LUA_COMPILED); do \
 204                 $(INSTALL) -m $(DATA_MODE) $$i $(DESTDIR)$(LCDIR); \
 205         done
 206
 207 etc_install:
 208         $(INSTALLDIR) $(DESTDIR)$(ETCDIR)
 209         for i in $(ETC); do \
 210                 $(INSTALL) -m $(DATA_MODE) $$i $(DESTDIR)$(ETCDIR); \
 211         done
 212
 213 # Dependencies
 214 ######################################
 215
 216 CFLAGS += -MMD
 217 -include *.d
 218
 219 # Subdirectories
 220 ######################################
 221
 222 ifdef SUBDIRS
 223
 224 subdirs:
 225         set -e; for i in $(SUBDIRS); do $(MAKE) -C $$i; done
 226
 227 subdirs-clean:
 228         set -e; for i in $(SUBDIRS); do $(MAKE) -C $$i clean; done
 229
 230 subdirs-realclean:
 231         set -e; for i in $(SUBDIRS); do $(MAKE) -C $$i realclean; done
 232
 233 subdirs-install:
 234         set -e; for i in $(INSTALL_SUBDIRS); do $(MAKE) -C $$i install; done
 235
 236 endif
 237
 238 # Localisation
 239 ######################################
 240
 241 TO_CLEAN += potfiles_c potfiles_lua
 242
 243 _potfiles:
 244         echo "$(SOURCES)"|tr ' ' '\n' > potfiles_c
 245         echo "$(LUA_SOURCES) $(ETC)"|tr ' ' '\n' > potfiles_lua
 246
 247 # Defaults
 248 ######################################
 249
 250 INSTALL_STRIP ?= -s
 251 INSTALLBIN ?= $(INSTALL) $(INSTALL_STRIP) -m $(BIN_MODE)