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1 ## -*-makefile-*-
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2 ## Copyright (C) 2016 and later: Unicode, Inc. and others.
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3 ## License & terms of use: http://www.unicode.org/copyright.html
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4 ## Linux-specific setup
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5 ## Copyright (c) 1999-2013, International Business Machines Corporation and
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6 ## others. All Rights Reserved.
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7
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8 ## Commands to generate dependency files
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9 GEN_DEPS.c= $(CC) -E -MM $(DEFS) $(CPPFLAGS)
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10 GEN_DEPS.cc= $(CXX) -E -MM $(DEFS) $(CPPFLAGS) $(CXXFLAGS)
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11
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12 ## Flags for position independent code
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13 SHAREDLIBCFLAGS = -fPIC
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14 SHAREDLIBCXXFLAGS = -fPIC
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15 SHAREDLIBCPPFLAGS = -DPIC
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16
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17 ## Additional flags when building libraries and with threads
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18 THREADSCPPFLAGS = -D_REENTRANT
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19 LIBCPPFLAGS =
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20
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21 ## Compiler switch to embed a runtime search path
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22 LD_RPATH= -Wl,-zorigin,-rpath,'$$'ORIGIN
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23 LD_RPATH_PRE = -Wl,-rpath,
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24
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25 ## These are the library specific LDFLAGS
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26 LDFLAGSICUDT=-nodefaultlibs -nostdlib
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27
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28 ## Compiler switch to embed a library name
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29 # The initial tab in the next line is to prevent icu-config from reading it.
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30 LD_SONAME = -Wl,-soname -Wl,$(notdir $(MIDDLE_SO_TARGET))
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31 #SH# # We can't depend on MIDDLE_SO_TARGET being set.
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32 #SH# LD_SONAME=
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33
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34 ## Shared library options
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35 LD_SOOPTIONS= -Wl,-Bsymbolic
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36
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37 ## Shared object suffix
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38 SO = so
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39 ## Non-shared intermediate object suffix
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40 STATIC_O = ao
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41
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42 ## Compilation rules
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43 %.$(STATIC_O): $(srcdir)/%.c
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44 $(call SILENT_COMPILE,$(strip $(COMPILE.c) $(STATICCPPFLAGS) $(STATICCFLAGS)) -o $@ $<)
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45 %.o: $(srcdir)/%.c
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46 $(call SILENT_COMPILE,$(strip $(COMPILE.c) $(DYNAMICCPPFLAGS) $(DYNAMICCFLAGS)) -o $@ $<)
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47
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48 %.$(STATIC_O): $(srcdir)/%.cpp
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49 $(call SILENT_COMPILE,$(strip $(COMPILE.cc) $(STATICCPPFLAGS) $(STATICCXXFLAGS)) -o $@ $<)
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50 %.o: $(srcdir)/%.cpp
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51 $(call SILENT_COMPILE,$(strip $(COMPILE.cc) $(DYNAMICCPPFLAGS) $(DYNAMICCXXFLAGS)) -o $@ $<)
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52
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53
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54 ## Dependency rules
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55 %.d: $(srcdir)/%.c
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56 $(call ICU_MSG,(deps)) $<
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57 @$(SHELL) -ec '$(GEN_DEPS.c) $< \
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58 | sed '\''s%\($*\)\.o[ :]*%\1.o $@ : %g'\'' > $@; \
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59 [ -s $@ ] || rm -f $@'
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60
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61 %.d: $(srcdir)/%.cpp
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62 $(call ICU_MSG,(deps)) $<
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63 @$(SHELL) -ec '$(GEN_DEPS.cc) $< \
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64 | sed '\''s%\($*\)\.o[ :]*%\1.o $@ : %g'\'' > $@; \
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65 [ -s $@ ] || rm -f $@'
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66
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67 ## Versioned libraries rules
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68
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69 %.$(SO).$(SO_TARGET_VERSION_MAJOR): %.$(SO).$(SO_TARGET_VERSION)
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70 $(RM) $@ && ln -s ${<F} $@
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71 %.$(SO): %.$(SO).$(SO_TARGET_VERSION_MAJOR)
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72 $(RM) $@ && ln -s ${*F}.$(SO).$(SO_TARGET_VERSION) $@
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73
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74 ## Bind internal references
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75
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76 # LDflags that pkgdata will use
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77 BIR_LDFLAGS= -Wl,-Bsymbolic
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78
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79 # Dependencies [i.e. map files] for the final library
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80 BIR_DEPS=
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81
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82 ## Remove shared library 's'
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83 STATIC_PREFIX_WHEN_USED =
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84 STATIC_PREFIX =
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85
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86 ## End Linux-specific setup
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87
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