1## -*-makefile-*-
2## os/390, z/OS specific setup 
3## Copyright (c) 1999-2007, International Business Machines Corporation and
4## others. All Rights Reserved.
5
6###################################################################
7#                    IMPORTANT NOTE                               #
8###################################################################
9# Before you try to run the Makefile, make sure you have the      #
10# environment variables set.                                      #
11#                                                                 #
12# If you are going to do the OS390BATCH build, make sure you have #
13# the OS390BATCH environment variable set.                        #
14#                                                                 #
15#   export OS390BATCH=1                                           #
16#                                                                 #
17# To build a version of ICU that does not use IEEE Floating point #
18#                                                                 #
19#   export IEEE390=0                                              #
20#                                                                 #
21# To build a version of ICU which uses a two data libraries       #
22# where the smaller one is loaded first, use OS390_STUBDATA.      #
23# USAGE OF THIS OPTION IS DEPRECATED. You should look into using  #
24# Link Pack Area (LPA), library lookaside facility (LLA) or other #
25# z/OS options that enable page fault based loading of read-only  #
26# code/data instead of this option.                               #
27# This option will be removed in a future version of ICU.         #
28#                                                                 #
29#   export OS390_STUBDATA=1                                       #
30#                                                                 #
31# To build a version of ICU which exploits the C/C++ compiler     #
32# and runtime Extra Performance Linkage (XPLINK), specify         #
33#                                                                 #
34#   export OS390_XPLINK=1                                         #
35#                                                                 #
36###################################################################
37
38# TODO: Fix this configuration so that icu-config will work!
39#       If statements don't work well when icu-config is generated.
40ifeq (${IEEE390},)
41IEEE390=1#M#
42endif
43
44ifeq (${IEEE390}, 1)
45ICU_IEEE          = -Wc,'float(ieee)'
46else
47ICU_IEEE          = -DIEEE_754=0#M#
48endif
49
50## Additional flags when building libraries and with threads
51THREADSCPPFLAGS = -D_OPEN_THREADS
52
53# For a dynamically called DLL module to share access to the POSIX external
54# variables, with its caller, the DLL module must define these _SHR_* macros.
55SHAREDLIBCPPFLAGS	= -D_SHR_TZNAME -D_SHR_TIMEZONE
56
57# -Wc,expo is used to export all functions
58SHAREDLIBCFLAGS	= -Wc,expo
59SHAREDLIBCXXFLAGS	= -Wc,expo
60
61# TODO: Consider using  -Wc,roc,ros for making the data and strings readonly
62#       -Wc,"ros" seems to work, but not the "roc"
63# The RENT option makes the program reentrant. This may not really have the same
64#       meaning as normal reentrancy on other platforms. See the z/OS documentation
65#       for details. This is the default for C++, but not C.
66# The DLL option must be used by the callee and caller code when using shared libraries.
67# NOCSECT might be used as an optimization option.
68# -+ means accept any file extension as a C++ file. By default only .C is accepted.
69CFLAGS          += -Wc,'langlvl(extended),ros,rent,dll' $(ICU_IEEE)
70CXXFLAGS        += -Wc,'langlvl(extended),ros,dll' $(ICU_IEEE) -+
71ARFLAGS         = -cr
72
73# _MSE_PROTOS usually interacts with _XOPEN_SOURCE. It affects some standard
74# C functions that use wchar_t, and it selects behavior for
75# multibyte extension support (MSE) functions.
76#DEFS            += -D_MSE_PROTOS
77
78ifeq (${OS390_XPLINK}, 1)
79#SH# if [ "x$OS390_XPLINK" = "x1" ]; then
80# These lines must be the last options specified.
81# GOFF is is the strategic object module format for S/390. It is required for XPLINK.
82# NOTEMPINC could be used if ICU starts using templates.
83ICU_XPLINK_C      = -Wc,'xplink(backchain,storeargs),goff'
84ICU_XPLINK_CXX    = -Wc,'xplink(backchain,storeargs),goff'
85ICU_XPLINK_L      = -Wl,xplink
86#SH# fi
87endif
88
89## OS390BATCH
90ifeq (${OS390BATCH},1)
91DEFS            += -DOS390BATCH#M#
92endif
93
94## Commands to generate dependency files
95GEN_DEPS.c=	makedep                        
96GEN_DEPS.cc=	makedep
97
98## Commands to compile
99# _CXX_STEPS="-1" is a prelink step when compiling C and C++, and
100# it's only needed for long function names
101COMPILE.c       = $(COMPILE_LINK_ENVVAR) $(CC) $(DEFS) $(CPPFLAGS) $(CFLAGS) $(ICU_XPLINK_C) -c
102COMPILE.cc      = $(COMPILE_LINK_ENVVAR) $(CXX) $(DEFS) $(CPPFLAGS) $(CXXFLAGS) $(ICU_XPLINK_CXX) -c
103
104# Commands to link
105LINK.c=		$(COMPILE_LINK_ENVVAR) $(CC) $(CFLAGS) -Wl,dll $(LDFLAGS) $(ICU_XPLINK_L)
106LINK.cc=	$(COMPILE_LINK_ENVVAR) $(CXX) $(CXXFLAGS) -Wl,dll $(LDFLAGS) $(ICU_XPLINK_L)
107
108## Commands for shared library (dll)
109SHLIB.c=	$(LINK.c)
110SHLIB.cc=	$(LINK.cc)
111
112## Compiler switch to embed a runtime search path
113LD_RPATH=	-I
114
115## Environment variable to set a runtime search path
116LDLIBRARYPATH_ENVVAR = LIBPATH
117
118## An import library (a.k.a. sidedeck) is needed for z/OS and MSVC
119IMPORT_LIB_EXT = .x
120
121## Versioned target for a shared library.
122FINAL_SO_TARGET=  $(basename $(SO_TARGET))$(SO_TARGET_VERSION).$(SO)
123MIDDLE_SO_TARGET= $(basename $(SO_TARGET))$(SO_TARGET_VERSION_MAJOR).$(SO)
124
125## Versioned import library names.
126IMPORT_LIB = $(basename $(notdir $(SO_TARGET)))$(IMPORT_LIB_EXT)#M#
127MIDDLE_IMPORT_LIB = $(basename $(notdir $(MIDDLE_SO_TARGET)))$(IMPORT_LIB_EXT)#M#
128FINAL_IMPORT_LIB = $(basename $(notdir $(FINAL_SO_TARGET)))$(IMPORT_LIB_EXT)#M#
129
130## Non-shared intermediate object suffix
131STATIC_O = o
132
133ifeq ($(OS390_STUBDATA),1)
134## Suffix of the subset data library for dual common library support
135STUB_SUFFIX=_stub#M#
136DEFS      += -DOS390_STUBDATA -DU_LIBICUDATA_NAME=\"$(ICUPREFIX)$(DATA_STUBNAME)$(ICULIBSUFFIX)\"#M#
137endif
138
139ifeq ($(OS390BATCH),1)
140ifeq ($(OS390_STUBDATA),1)
141BATCH_STUB_TARGET=	"//'${LOADMOD}(IXMI${SO_TARGET_VERSION_MAJOR}D1)'"
142BATCH_LIBICUDT=		"//'${LOADEXP}(IXMI${SO_TARGET_VERSION_MAJOR}D1)'"
143else
144BATCH_STUB_TARGET=	"//'${LOADMOD}(IXMI${SO_TARGET_VERSION_MAJOR}DA)'"
145BATCH_LIBICUDT=		"//'${LOADEXP}(IXMI${SO_TARGET_VERSION_MAJOR}DA)'"
146PKGDATA_DEFS        += -DU_LIBICUDATA_NAME=\"$(ICUPREFIX)$(DATA_STUBNAME)$(ICULIBSUFFIX)\"
147endif
148
149BATCH_COMMON_TARGET="//'${LOADMOD}(IXMI${SO_TARGET_VERSION_MAJOR}UC)'"
150BATCH_I18N_TARGET="//'${LOADMOD}(IXMI${SO_TARGET_VERSION_MAJOR}IN)'"
151BATCH_IO_TARGET="//'${LOADMOD}(IXMI${SO_TARGET_VERSION_MAJOR}IO)'"
152BATCH_LAYOUT_TARGET="//'${LOADMOD}(IXMI${SO_TARGET_VERSION_MAJOR}LE)'"
153BATCH_LAYOUTEX_TARGET="//'${LOADMOD}(IXMI${SO_TARGET_VERSION_MAJOR}LX)'"
154
155BATCH_LIBICUUC=		"//'${LOADEXP}(IXMI${SO_TARGET_VERSION_MAJOR}UC)'"
156BATCH_LIBICUI18N=	"//'${LOADEXP}(IXMI${SO_TARGET_VERSION_MAJOR}IN)'"
157BATCH_LIBICUIO=		"//'${LOADEXP}(IXMI${SO_TARGET_VERSION_MAJOR}IO)'"
158BATCH_LIBICULE=		"//'${LOADEXP}(IXMI${SO_TARGET_VERSION_MAJOR}LE)'"
159BATCH_LIBICULX=		"//'${LOADEXP}(IXMI${SO_TARGET_VERSION_MAJOR}LX)'"
160endif
161
162## Link commands to link to ICU libs
163LIBICUDT=	$(top_builddir)/stubdata/$(LIBICU)data$(ICULIBSUFFIX)$(STUB_SUFFIX)$(SO_TARGET_VERSION).x
164LIBICUUC=	$(top_builddir)/common/$(LIBICU)uc$(ICULIBSUFFIX)$(SO_TARGET_VERSION).x
165LIBICUI18N=	$(top_builddir)/i18n/$(LIBICU)i18n$(ICULIBSUFFIX)$(SO_TARGET_VERSION).x
166LIBICULE=	$(top_builddir)/layout/$(LIBICU)le$(ICULIBSUFFIX)$(SO_TARGET_VERSION).x
167LIBICULX=	$(top_builddir)/layoutex/$(LIBICU)lx$(ICULIBSUFFIX)$(SO_TARGET_VERSION).x
168LIBICUIO=	$(top_builddir)/io/$(LIBICU)io$(ICULIBSUFFIX)$(SO_TARGET_VERSION).x
169LIBCTESTFW=	$(top_builddir)/tools/ctestfw/$(LIBICU)test$(ICULIBSUFFIX)$(SO_TARGET_VERSION).x
170LIBICUTOOLUTIL=	$(top_builddir)/tools/toolutil/$(LIBICU)tu$(ICULIBSUFFIX)$(SO_TARGET_VERSION).x
171
172ifneq (${ICUDATA_CHAR},e)
173#SH# if [ "$ICUDATA_CHAR" != "e" ]; then
174## We're in ASCII mode.
175CFLAGS		+= -Wc,'ascii'
176CXXFLAGS	+= -Wc,'ascii'
177SO = so
178else
179#SH# else
180## We're in EBCDIC mode.
181## Shared object suffix
182SO = dll
183endif
184#SH# fi
185
186## Special 390 rules
187
188## Build archive from object
189%.a : $(OBJECTS)
190	$(AR) $(ARFLAGS) $@ $(OBJECTS)
191
192## Compilation rules
193%.$(STATIC_O): $(srcdir)/%.c
194	$(COMPILE.c) $(STATICCPPFLAGS) $(STATICCFLAGS) -o $@ $<
195%.o: $(srcdir)/%.c
196	$(COMPILE.c) $(DYNAMICCPPFLAGS) $(DYNAMICCFLAGS) -o $@ $<
197
198%.$(STATIC_O): $(srcdir)/%.cpp
199	$(COMPILE.cc) $(STATICCPPFLAGS) $(STATICCXXFLAGS) -o $@ $<
200%.o: $(srcdir)/%.cpp
201	$(COMPILE.cc) $(DYNAMICCPPFLAGS) $(DYNAMICCXXFLAGS) -o $@ $<
202
203## Dependency rules
204%.d : %.u
205	@$(SHELL) -ec 'cat $<  \
206		| sed '\''s/\($*\)\.o[ :]*/\1.o $@ : /g'\'' > $@; \
207		[ -s $@ ] || rm -f $@ ; rm -f $<'
208
209%.u : $(srcdir)/%.c
210	@echo "generating dependency information for $<"
211	@$(SHELL) -ec 'touch            $*.u  > /dev/null 2>&1'
212	@$(SHELL) -ec '$(GEN_DEPS.c) -f $*.u $< > /dev/null 2>&1'
213
214%.u : $(srcdir)/%.cpp
215	@echo "generating dependency information for $<"
216	@$(SHELL) -ec 'touch              $*.u  > /dev/null 2>&1'
217	@$(SHELL) -ec '$(GEN_DEPS.cc)  -f $*.u $< > /dev/null 2>&1'
218
219## Versioned libraries rules
220%$(SO_TARGET_VERSION_MAJOR).$(SO): %$(SO_TARGET_VERSION).$(SO)
221	$(RM) $@ && ln -s ${*F}$(SO_TARGET_VERSION).$(SO) $@
222%.$(SO): %$(SO_TARGET_VERSION).$(SO)
223	$(RM) $@ && ln -s ${*F}$(SO_TARGET_VERSION).$(SO) $@
224
225## Install libraries as executable
226INSTALL-L=$(INSTALL_PROGRAM)
227
228## End 390-specific setup
229