Makefile.genrules

   1 ##############################################################################
   2 # Copyright (c) 2000-2016 Ericsson Telecom AB
   3 # All rights reserved. This program and the accompanying materials
   4 # are made available under the terms of the Eclipse Public License v1.0
   5 # which accompanies this distribution, and is available at
   6 # http://www.eclipse.org/legal/epl-v10.html
   7 #
   8 # Contributors:
   9 #   Balasko, Jeno
  10 #   Baranyi, Botond
  11 #   Forstner, Matyas
  12 #   Kovacs, Ferenc
  13 #   Pandi, Krisztian
  14 #   Raduly, Csaba
  15 #   Szabo, Janos Zoltan – initial implementation
  16 #
  17 ##############################################################################
  18 # General stuff (to be included at the end of makefiles). The
  19 # following variables are used: DEPFILES, SUBDIRS...
  20
  21 tags: $(SOURCES)
  22 ifdef SUBDIRS
  23         @for i in $(SUBDIRS) ; do \
  24           (cd $$i && $(MAKE) tags) || exit 1; \
  25         done
  26 endif
  27         etags --members *.hh *.h *.c *.cc
  28
  29 dep:
  30 ifdef SUBDIRS
  31         @for i in $(SUBDIRS) ; do \
  32           (cd $$i && $(MAKE) dep) || exit 1; \
  33         done
  34 endif
  35 ifdef DEPFILES
  36         $(MAKE) $(DEPFILES)
  37 endif
  38
  39 clean:
  40 ifdef SUBDIRS
  41         @for i in $(SUBDIRS) ; do \
  42           (cd $$i && $(MAKE) clean) || exit 1; \
  43         done
  44 endif
  45         $(RM) $(TARGETS) $(OBJECTS) $(TOBECLEANED)
  46
  47 distclean:
  48 ifdef SUBDIRS
  49         @for i in $(SUBDIRS) ; do \
  50           (cd $$i && $(MAKE) distclean) || exit 1; \
  51         done
  52 endif
  53         $(RM) $(TARGETS) $(OBJECTS) $(TOBECLEANED) \
  54           $(GENERATED_HEADERS) $(GENERATED_SOURCES) \
  55           $(GENERATED_OTHERS) \
  56           $(DEPFILES) TAGS *.gcno *.gcda
  57
  58 # This target allows us to "make ../clean"
  59 ../% $(foreach dir, $(SUBDIRS), $(dir)/%):
  60         cd $(dir $@) && $(MAKE) $(notdir $@)
  61
  62 # General rules to compile C(++) files.
  63 #
  64 # These macros implement "silent" rules during building.
  65 # Define the V make variable or environment variable to a nonzero value to get
  66 # the exact call to the compiler: e.g.     make V=1
  67 #
  68 # Define the VD variable to get the exact (verbose) action while
  69 # generating dependencies.
  70 #
  71 NULL  :=
  72 SPACE := ${NULL} ${NULL}
  73
  74 DEF_V := 0
  75 DEF_VD:= 0
  76
  77 V_CC_0  = @echo  "  (CC)        " $<;$(SPACE)
  78 V_CXX_0 = @echo  "  (C++)       " $<;$(SPACE)
  79 V_DEP_0 = @echo  "  (dep)       " $<;$(SPACE)
  80
  81 V_CC_  = $(V_CC_$(DEF_V))
  82 V_CXX_ = $(V_CXX_$(DEF_V))
  83 V_DEP_ = $(V_DEP_$(DEF_VD))
  84
  85 V_CC  = $(V_CC_$(V))
  86 V_CXX = $(V_CXX_$(V))
  87 V_DEP = $(V_DEP_$(VD))
  88
  89 %.o: %.c
  90         $(V_CC)$(CC) -c $(CPPFLAGS) $(CCFLAGS) $< -o $@
  91
  92 # Special rule for building profmerge files
  93 %.profmerge.o: %.cc
  94         $(V_CXX)$(CXX) -c -DPROF_MERGE $(CPPFLAGS) $(CXXFLAGS) $< -o $@
  95
  96 %.o: %.cc
  97         $(V_CXX)$(CXX) -c $(CPPFLAGS) $(CXXFLAGS) $< -o $@
  98
  99 # Preprocess C/C++ files
 100 %.i: %.c
 101         $(CC) -E $(CPPFLAGS) $(CCFLAGS) \
 102                 $< > $@
 103
 104 %.ii: %.cc
 105         $(CXX) -E $(CPPFLAGS) $(CXXFLAGS) \
 106                 $< > $@
 107
 108 # General rules to create the dependency file.
 109
 110 %.d: %.c
 111         $(V_DEP)set -e; $(CC) $(CCDEPFLAG) $(CPPFLAGS) $< \
 112         | sed 's,\($*\)\.o[ :]*,\1.o $@ : ,g' > $@; \
 113         [ -s $@ ] || rm -f $@
 114
 115 %.d: %.cc
 116         $(V_DEP)set -e; $(CXX) $(CXXDEPFLAG) $(CPPFLAGS) $< \
 117         | sed 's,\($*\)\.o[ :]*,\1.o $@ : ,g' > $@; \
 118         [ -s $@ ] || rm -f $@
 119
 120 ifdef DEPFILES
 121   ifndef MAKECMDGOALS
 122     DEPFILES_NEEDED := yes
 123   else
 124     DEPFILES_NEEDED := $(filter-out clean distclean, $(MAKECMDGOALS))
 125   endif
 126   ifdef DEPFILES_NEEDED
 127     DEPFILES_INCLUDE := $(filter-out $(MAKECMDGOALS), $(DEPFILES))
 128     ifdef DEPFILES_INCLUDE
 129       ifeq (,$(findstring n,$(MAKEFLAGS)))
 130         # -n was *not* given to make
 131         -include $(DEPFILES_INCLUDE)
 132       endif
 133     endif
 134   endif
 135 endif
 136
 137 # Building PDFs from man pages (for MinGW)
 138 %.pdf: %.1
 139         man2pdf ./$< $@
 140 # The "./" prefix is important, it tells man that the input is a filename,
 141 # so it shouldn't search through MANPATH.
 142
 143 # List of fake targets:
 144 .PHONY: all install tags dep clean distclean
 145
 146 # Disable all built-in suffix rules of make
 147 .SUFFIXES:
 148
 149 # Do not delete generated headers while building .d files
 150 # (.PRECIOUS would also keep them if make is killed)
 151 .SECONDARY: $(GENERATED_HEADERS)
 152
 153 ifdef SRCDIR
 154
 155 REQUIRED_MAKE_VERSION = 3.81
 156 # 3.80 is known not to work; 3.82 does work
 157 REAL_MAKE_VERSION = $(firstword $(MAKE_VERSION))
 158 EARLIER_MAKE_VERSION = $(firstword $(sort $(REAL_MAKE_VERSION) $(REQUIRED_MAKE_VERSION)))
 159 ifeq "$(REQUIRED_MAKE_VERSION)" "$(EARLIER_MAKE_VERSION)"
 160
 161 # Declare a search path for every source.
 162 # "vpath %.cc $(ABS_SRC)" would lump in generated .cc files,
 163 # potentially picking up generated files laying around in the source dir
 164 # instead of generating them in the build dir.
 165 $(foreach src, $(STATIC_SOURCES) $(ORIGINATORS), $(eval vpath $(src) $(ABS_SRC)))
 166
 167 else
 168
 169 # alas, make 3.80 can't cope with the "foreach/eval vpath" above
 170 #$(warning no OOBE with make $(MAKE_VERSION))
 171
 172 endif
 173
 174 endif