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Arranged for dependencies to be generated when building object files; no more extraneous dependency rebuilds
author lost@l-w.ca
date Sat, 17 Sep 2011 11:45:13 -0600
parents 3413a88f4d09
children b6685a7ec2bd
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 # define anything system specific here
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2 #
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3 # set these variables if needed
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4 # PROGSUFFIX: suffix added to binaries
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5 # BUILDTPREFIX: prefix added to build utilities (cc, etc.) for xcompile
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6 # can also set them when invoking "make"
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7 #PROGSUFFIX := .exe
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8 #BUILDTPREFIX=i586-mingw32msvc-
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9
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10 # C compiler
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11 CC := $(BUILDTPREFIX)cc
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13 # ar
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14 AR := $(BUILDTPREFIX)ar
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16 # ranlib
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17 RANLIB := $(BUILDTPREFIX)ranlib
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18
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19 CPPFLAGS += -I lwlib -DPACKAGE_STRING='"lwtools 4.4+"'
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20 LDFLAGS += -L$(PWD)/lwlib -llw
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22 CFLAGS ?= -g -Wall
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24 MAIN_TARGETS := lwasm/lwasm$(PROGSUFFIX) \
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25 lwlink/lwlink$(PROGSUFFIX) \
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26 lwar/lwar$(PROGSUFFIX) \
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27 lwlink/lwobjdump$(PROGSUFFIX)
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29 .PHONY: all
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30 all: $(MAIN_TARGETS)
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31
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32 subdirs := lwasm lwlink lwar lwlib lwbasic docs
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33
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34 -include $(subdirs:=/rules.make)
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35
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36 lwasm_objs := $(lwasm_srcs:.c=.o)
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37 lwlink_objs := $(lwlink_srcs:.c=.o)
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38 lwar_objs := $(lwar_srcs:.c=.o)
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39 lwlib_objs := $(lwlib_srcs:.c=.o)
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40 lwobjdump_objs := $(lwobjdump_srcs:.c=.o)
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41
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42 lwasm_deps := $(lwasm_srcs:.c=.d)
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43 lwlink_deps := $(lwlink_srcs:.c=.d)
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44 lwar_deps := $(lwar_srcs:.c=.d)
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45 lwlib_deps := $(lwlib_srcs:.c=.d)
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46 lwobjdump_deps := $(lwobjdump_srcs:.c=.d)
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47
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48 .PHONY: lwlink lwasm lwar lwobjdump
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49 lwlink: lwlink/lwlink$(PROGSUFFIX)
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50 lwasm: lwasm/lwasm$(PROGSUFFIX)
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51 lwar: lwar/lwar$(PROGSUFFIX)
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52 lwobjdump: lwlink/lwobjdump$(PROGSUFFIX)
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54 .PHONY: lwbasic
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55 lwbasic: lwbasic/lwbasic$(PROGSUFFIX)
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56
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57 lwasm/lwasm$(PROGSUFFIX): $(lwasm_objs) lwlib lwasm/rules.make
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58 @echo Linking $@
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59 @$(CC) -o $@ $(lwasm_objs) $(LDFLAGS)
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61 lwlink/lwlink$(PROGSUFFIX): $(lwlink_objs) lwlib lwlink/rules.make
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62 @echo Linking $@
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63 @$(CC) -o $@ $(lwlink_objs) $(LDFLAGS)
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64
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65 lwlink/lwobjdump$(PROGSUFFIX): $(lwobjdump_objs) lwlib lwlink/rules.make
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66 @echo Linking $@
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67 @$(CC) -o $@ $(lwobjdump_objs) $(LDFLAGS)
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68
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69 lwar/lwar$(PROGSUFFIX): $(lwar_objs) lwlib lwar/rules.make
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70 @echo Linking $@
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71 @$(CC) -o $@ $(lwar_objs) $(LDFLAGS)
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72
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73 #.PHONY: lwlib
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74 .INTERMEDIATE: lwlib
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75 lwlib: lwlib/liblw.a
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76
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77 lwlib/liblw.a: $(lwlib_objs) lwlib/rules.make
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78 @echo Linking $@
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79 @$(AR) rc $@ $(lwlib_objs)
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80 @$(RANLIB) $@
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81
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82 alldeps := $(lwasm_deps) $(lwlink_deps) $(lwar_deps) $(lwlib_deps) ($lwobjdump_deps)
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83
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84 -include $(alldeps)
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85
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86 extra_clean := $(extra_clean) *~ */*~
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87
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88 %.o: %.c
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89 @echo "Building dependencies for $@"
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90 @$(CC) -MM $(CPPFLAGS) -o $*.d $<
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91 @mv -f $*.d $*.d.tmp
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92 @sed -e 's|.*:|$*.o $*.d:|' < $*.d.tmp > $*.d
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93 @sed -e 's/.*://' -e 's/\\$$//' < $*.d.tmp | fmt -1 | sed -e 's/^ *//' -e 's/$$/:/' >> $*.d
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94 @rm -f $*.d.tmp
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95 @echo Building $@
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96 @$(CC) $(CPPFLAGS) $(CFLAGS) -o $@ -c $<
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97
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98
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99 .PHONY: clean
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100 clean: $(cleantargs)
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101 @echo "Cleaning up"
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102 @rm -f lwlib/liblw.a lwasm/lwasm$(PROGSUFFIX) lwlink/lwlink$(PROGSUFFIX) lwlink/lwobjdump$(PROGSUFFIX) lwar/lwar$(PROGSUFFIX)
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103 @rm -f $(lwasm_objs) $(lwlink_objs) $(lwar_objs) $(lwlib_objs) $(lwobjdump_objs)
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104 @rm -f $(extra_clean)
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105 @rm -f */*.exe
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106
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107 .PHONY: realclean
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108 realclean: clean $(realcleantargs)
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109 @echo "Cleaning up even more"
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110 @rm -f $(lwasm_deps) $(lwlink_deps) $(lwar_deps) $(lwlib_deps) $(lwobjdump_deps)
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111 @rm -f docs/manual/*.html docs/manual/*.pdf
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112
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113 print-%:
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114 @echo $* = $($*)
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115
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116 .PHONY: install
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117 install:
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118 cp $(MAIN_TARGETS) /usr/local/bin/
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119
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120 .PHONY: test
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121 test: all test/runtests
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122 @test/runtests
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