1## -*-makefile-*-
2## Copyright (C) 2016 and later: Unicode, Inc. and others.
3## License & terms of use: http://www.unicode.org/copyright.html
4## Copyright (c) 2003-2015 IBM, Ken Foskey, and others. All rights reserved.
5##
6## Aix-specific setup (for gcc)
7##
8## Please note: AIX does NOT have library versioning per se (there is no 'SONAME' capability).
9## So, we are using 'windows' style library names, that is, libicuuc20.1.so instead of libicuuc.so.20.1
10
11# When building stubdata, special considerations need to be made when building on AIX with GCC
12BUILD_HOST_ICU=AIX_GCC
13
14# Certain files don't compile in -ansi mode (e.g. umutex.c, toolutil.c, and cdatatst.c)
15CFLAGS += -D_ALL_SOURCE
16
17## Commands to generate dependency files
18GEN_DEPS.c=	$(CC) -E -MM $(DEFS) $(CPPFLAGS)
19GEN_DEPS.cc=	$(CXX) -E -MM $(DEFS) $(CPPFLAGS)
20
21## Commands to link
22## We need to use the C++ linker, even when linking C programs, since
23##  our libraries contain C++ code (C++ static init not called)
24LINK.c=		$(AIX_PREDELETE) $(CXX) $(CXXFLAGS) $(LDFLAGS)
25LINK.cc=	$(AIX_PREDELETE) $(CXX) $(CXXFLAGS) $(LDFLAGS)
26
27## Shared library options
28LD_SOOPTIONS= -Wl,-bsymbolic
29
30## Commands to make a shared library
31SHLIB.c=    $(AIX_PREDELETE) $(CC) $(CFLAGS) $(LDFLAGS) -shared -Wl,-bexpall $(LD_SOOPTIONS)
32SHLIB.cc=   $(AIX_PREDELETE) $(CXX) $(CXXFLAGS) $(LDFLAGS) -shared -Wl,-bexpall $(LD_SOOPTIONS)
33
34## Compiler switch to embed a runtime search path
35LD_RPATH=	-I
36LD_RPATH_PRE=
37
38## enable the shared lib loader
39LDFLAGS += -Wl,-bbigtoc
40
41## These are the library specific LDFLAGS
42LDFLAGSICUDT=-nodefaultlibs -nostdlib
43
44## We need to delete things prior to linking, or else we'll get
45## SEVERE ERROR: output file in use ..  on AIX.
46## But, shell script version should NOT delete target as we don't
47## have $@ in that context.  (SH = only shell script, icu-config)
48AIX_PREDELETE=rm -f $@ ;
49#SH# AIX_PREDELETE=
50
51## Environment variable to set a runtime search path
52LDLIBRARYPATH_ENVVAR = LIBPATH
53
54## Override Versioned target for a shared library.
55FINAL_SO_TARGET=  $(basename $(SO_TARGET))$(SO_TARGET_VERSION).$(SO)
56MIDDLE_SO_TARGET= $(basename $(SO_TARGET))$(SO_TARGET_VERSION_MAJOR).$(SO)
57SHARED_OBJECT = $(notdir $(FINAL_SO_TARGET:.$(SO)=.$(SOBJ)))
58SHARED_OBJECT_NO_VERSION = $(basename $(SO_TARGET)).$(SOBJ)
59
60# The following is for Makefile.inc's use.
61ICULIBSUFFIX_VERSION = $(LIB_VERSION_MAJOR)
62
63# this one is for icudefs.mk's use
64ifeq ($(ENABLE_SHARED),YES)
65SO_TARGET_VERSION_SUFFIX = $(SO_TARGET_VERSION_MAJOR)
66endif
67
68## Compiler switch to embed a library name. Not present on AIX.
69LD_SONAME =
70
71## The type of assembly needed when pkgdata is used for generating shared libraries.
72GENCCODE_ASSEMBLY=-a xlc
73
74## Shared object suffix
75SOBJ=   so
76# without the -brtl option, the library names use .a. AIX is funny that way.
77SO=	a
78A=	a
79
80## Non-shared intermediate object suffix
81STATIC_O = o
82
83## Special AIX rules
84
85## Build archive from shared object
86%.a : %.so
87	ln -f $< $(SHARED_OBJECT_NO_VERSION)
88	$(AR) $(ARFLAGS) $@ $(SHARED_OBJECT_NO_VERSION)
89	rm -f $(SHARED_OBJECT_NO_VERSION)
90$(LIBDIR)/%.a : %.so
91	ln -f $< $(SHARED_OBJECT_NO_VERSION)
92	$(AR) $(ARFLAGS) $@ $(SHARED_OBJECT_NO_VERSION)
93	rm -f $(SHARED_OBJECT_NO_VERSION)
94
95## Build import list from export list
96%.e : %.exp
97	@echo "Building an import list for $<"
98	@$(SHELL) -ec "echo '#! $*.a($*.so)' | cat - $< > $@"
99
100## Compilation rules
101%.$(STATIC_O): $(srcdir)/%.c
102	$(COMPILE.c) $(STATICCPPFLAGS) $(STATICCFLAGS) -o $@ $<
103%.o: $(srcdir)/%.c
104	$(COMPILE.c) $(DYNAMICCPPFLAGS) $(DYNAMICCFLAGS) -o $@ $<
105
106%.$(STATIC_O): $(srcdir)/%.cpp
107	$(COMPILE.cc) $(STATICCPPFLAGS) $(STATICCXXFLAGS) -o $@ $<
108%.o: $(srcdir)/%.cpp
109	$(COMPILE.cc) $(DYNAMICCPPFLAGS) $(DYNAMICCXXFLAGS) -o $@ $<
110
111
112## Dependency rules
113%.d: $(srcdir)/%.c
114	@echo "generating dependency information for $<"
115	@$(SHELL) -ec '$(GEN_DEPS.c) $< \
116		| sed '\''s%\($*\)\.o[ :]*%\1.o $@ : %g'\'' > $@; \
117		[ -s $@ ] || rm -f $@'
118
119%.d: $(srcdir)/%.cpp
120	@echo "generating dependency information for $<"
121	@$(SHELL) -ec '$(GEN_DEPS.cc) $< \
122		| sed '\''s%\($*\)\.o[ :]*%\1.o $@ : %g'\'' > $@; \
123		[ -s $@ ] || rm -f $@'
124
125## Versioned libraries rules
126%$(SO_TARGET_VERSION_MAJOR).$(SO): %$(SO_TARGET_VERSION).$(SO)
127	$(RM) $@ && ln -s ${*F}$(SO_TARGET_VERSION).$(SO) $@
128%.$(SO): %$(SO_TARGET_VERSION).$(SO)
129	$(RM) $@ && ln -s ${*F}$(SO_TARGET_VERSION).$(SO) $@
130
131
132## BIR  - bind with internal references [so app data and icu data doesn't collide]
133# LDflags that pkgdata will use
134BIR_LDFLAGS= -Wl,-bE:$(NAME).map,-bnoexpall
135
136# Dependencies [i.e. map files] for the final library
137BIR_DEPS= $(NAME).map
138
139