1 | # $Id: common.gmk,v 1.43 2007/06/28 14:33:38 gcosmo Exp $ |
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2 | # ---------------------------------------------------------------- |
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3 | # Common part of GNUmakefile for libraries. John Allison, 5/7/95. |
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4 | # ---------------------------------------------------------------- |
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5 | # Libraries are created according to G4SYSTEM. G.Cosmo, 11/6/96. |
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6 | # Introduced G4LIBDIR and G4TMPDIR. G.Cosmo, 23/6/98. |
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7 | |
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8 | ifndef G4LIBDIR |
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9 | G4LIBDIR := $(G4LIB)/$(G4SYSTEM) |
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10 | endif |
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11 | G4TMPDIR := $(G4TMP)/$(G4SYSTEM)/$(name) |
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12 | |
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13 | sources := $(wildcard src/*.cc) |
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14 | objects := $(patsubst src/%.cc,$(G4TMPDIR)/%.o,$(sources)) |
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15 | dependencies := $(patsubst src/%.cc,$(G4TMPDIR)/%.d,$(sources)) |
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16 | |
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17 | g4libraries_to_build := |
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18 | ifeq ($(G4LIB_NO_SHARED),) |
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19 | ifneq ($(G4LIB_BUILD_SHARED),) |
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20 | g4libraries_to_build += $(G4LIBDIR)/lib$(name).$(SHEXT) |
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21 | endif |
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22 | endif |
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23 | ifneq ($(G4LIB_BUILD_STATIC),) |
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24 | g4libraries_to_build += $(G4LIBDIR)/lib$(name).a |
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25 | endif |
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26 | |
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27 | # GPPFLAGS is defined here to make the .d file(s) and include it(them). |
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28 | |
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29 | GPPFLAGS := "-M" |
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30 | |
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31 | ############################################################################### |
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32 | # |
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33 | # Actual gmake targets. |
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34 | # |
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35 | |
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36 | lib: $(g4libraries_to_build) |
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37 | |
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38 | ifeq ($(G4LIB_NO_SHARED),) |
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39 | ifneq ($(G4LIB_BUILD_SHARED),) |
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40 | # Make shared library. |
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41 | $(G4LIBDIR)/lib$(name).$(SHEXT): $(G4TMPDIR)/obj.last |
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42 | @if [ ! -d $(G4LIBDIR) ] ; then mkdir $(G4LIBDIR) ;fi |
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43 | @echo Creating shared library $@ ... |
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44 | @$(RM) $@ |
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45 | # use architecture specific macro defined in sys/$(G4SYSTEM).gmk |
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46 | $(build-granular-shared-lib) |
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47 | endif |
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48 | endif |
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49 | |
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50 | ifneq ($(G4LIB_BUILD_STATIC),) |
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51 | # Make static (archive) library. |
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52 | $(G4LIBDIR)/lib$(name).a: $(G4TMPDIR)/obj.last |
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53 | @if [ ! -d $(G4LIBDIR) ] ; then mkdir $(G4LIBDIR) ;fi |
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54 | @echo Creating/replacing object files in $(G4LIBDIR)/lib$(name).a ... |
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55 | @rm -f $(G4LIBDIR)/lib$(name).a |
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56 | @$(AR) $(OUT_LIB)$(G4LIBDIR)/lib$(name).a $(G4TMPDIR)/*.o |
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57 | @if [ X$(G4SYSTEM) != XWIN32-VC ] ; then \ |
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58 | if [ -f /usr/bin/ranlib -o -f /bin/ranlib ] ; then \ |
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59 | ranlib $(G4LIBDIR)/lib$(name).a ; fi ; fi |
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60 | endif |
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61 | |
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62 | ############################################################################### |
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63 | # |
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64 | # Actual targets for .o, .d files |
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65 | # |
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66 | |
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67 | $(G4TMPDIR)/%.o: src/%.cc |
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68 | ifdef CPPVERBOSE |
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69 | $(CXX) $(CXXFLAGS) $(CPPFLAGS) -c $(OUT_OBJ)$(G4TMPDIR)/$(*F).o src/$*.cc |
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70 | else |
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71 | @echo Compiling $*.cc ... |
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72 | @$(CXX) $(CXXFLAGS) $(CPPFLAGS) -c $(OUT_OBJ)$(G4TMPDIR)/$(*F).o src/$*.cc |
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73 | endif |
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74 | |
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75 | # .PHONY targets are executed regardless of time-stamp of any file of |
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76 | # same name. |
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77 | .PHONY: all obj lib clean clean_libs includes |
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78 | |
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79 | obj: $(G4TMPDIR)/obj.last |
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80 | |
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81 | # Touch the versioning file |
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82 | $(G4TMPDIR)/obj.last: $(objects) |
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83 | @touch $@ |
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84 | |
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85 | # Make the .d file(s) and include it(them). |
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86 | |
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87 | # The ideas for this come from the GNU Make Manual, Section 4.12, |
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88 | # Generating Prerequisites Automatically. The g++ compiler has an |
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89 | # option -M or -MM to write to standard output a list of dependencies |
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90 | # based on the #include statements. The "sed" adds the dependency |
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91 | # file itself as a second target. The result is a mini-makefile which |
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92 | # specifies the .o and .d files as targets which depend on all the |
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93 | # files found through the #include statements. This file is then |
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94 | # included, causing GNU Make to honour these dependencies. |
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95 | |
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96 | # The "set -e" causes the shell to exit with an error when the "g++" |
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97 | # fails (otherwise it would only notice the last command in the |
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98 | # pipeline, namely "sed"). GNU Make notices the error and exits |
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99 | # sooner than it otherwise would (still not as soon as I expect, |
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100 | # though!). Even then, an empty file is made, so "[ -s $@ ] || rm -f |
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101 | # $@" removes it ([ -s filename ] gives zero exit code only if file |
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102 | # exists and has a size greater than zero). This avoids making |
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103 | # corrupt .d files which would play havoc with your next build. |
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104 | |
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105 | $(G4TMPDIR)/%.d: src/%.cc |
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106 | @echo Making dependency for file $< ... |
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107 | @if [ ! -d $(G4TMPDIR) ] ; then mkdir -p $(G4TMPDIR) ;fi |
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108 | @set -e;\ |
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109 | g++ $(GPPFLAGS) $(CPPFLAGS) -w $< |\ |
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110 | sed 's!$*\.o!$(G4TMPDIR)/& $@!' >$@;\ |
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111 | [ -s $@ ] || rm -f $@ |
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112 | ifneq ($(dependencies),) |
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113 | ifneq ($(MAKECMDGOALS),clean) |
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114 | -include $(dependencies) |
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115 | endif |
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116 | endif |
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117 | |
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118 | # |
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119 | # Installation of include files |
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120 | # |
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121 | installed_includes:=$(foreach file,$(wildcard include/*),$(shell test -f $(file) && echo $(file))) |
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122 | installed_includes:=$(patsubst include/%,$(G4INCLUDE)/%,$(installed_includes)) |
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123 | |
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124 | # NOTE: the double colon rule allows to add other rules for the same target |
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125 | # |
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126 | includes:: $(installed_includes) |
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127 | |
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128 | # Static Pattern rules, see GNU make manual for details. |
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129 | # target(s): target-pattern : dep-pattern |
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130 | # |
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131 | $(installed_includes): $(G4INCLUDE)/% : include/% |
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132 | @cp -p $< $@ |
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133 | |
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134 | # |
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135 | # Clean up libraries |
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136 | # |
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137 | ifndef G4EXLIB |
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138 | clean:: |
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139 | @echo Cleaning up ... |
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140 | @rm -f $(G4LIBDIR)/lib$(name).a |
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141 | @rm -f $(G4LIBDIR)/*$(name).lib |
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142 | @rm -f $(G4LIBDIR)/*$(name).exp |
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143 | @rm -f $(G4LIBDIR)/lib$(name).$(SHEXT) |
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144 | @rm -rf $(G4TMPDIR) |
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145 | endif |
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146 | |
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147 | clean_libs:: |
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148 | @echo Removing library lib$(name).a ... |
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149 | @rm -f $(G4LIBDIR)/*$(name).a |
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150 | @echo Removing library lib$(name).$(SHEXT) ... |
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151 | @rm -f $(G4LIBDIR)/*$(name).lib |
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152 | @rm -f $(G4LIBDIR)/*$(name).exp |
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153 | @rm -f $(G4LIBDIR)/*$(name).$(SHEXT) |
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