xref: /external/icu/icu4c/source/config/mh-linux

## -*-makefile-*-
## Copyright (C) 2016 and later: Unicode, Inc. and others.
## License & terms of use: http://www.unicode.org/copyright.html
## Linux-specific setup
## Copyright (c) 1999-2013, International Business Machines Corporation and
## others. All Rights Reserved.

## Commands to generate dependency files
GEN_DEPS.c=  $(CC) -E -MM $(DEFS) $(CPPFLAGS)
GEN_DEPS.cc= $(CXX) -E -MM $(DEFS) $(CPPFLAGS) $(CXXFLAGS)

## Flags for position independent code
SHAREDLIBCFLAGS = -fPIC
SHAREDLIBCXXFLAGS = -fPIC
SHAREDLIBCPPFLAGS = -DPIC

## Additional flags when building libraries and with threads
THREADSCPPFLAGS = -D_REENTRANT
LIBCPPFLAGS =

## Compiler switch to embed a runtime search path
LD_RPATH= -Wl,-zorigin,-rpath,'$$'ORIGIN 
LD_RPATH_PRE = -Wl,-rpath,

## These are the library specific LDFLAGS
LDFLAGSICUDT=-nodefaultlibs -nostdlib

## Compiler switch to embed a library name
# The initial tab in the next line is to prevent icu-config from reading it.
	LD_SONAME = -Wl,-soname -Wl,$(notdir $(MIDDLE_SO_TARGET))
#SH# # We can't depend on MIDDLE_SO_TARGET being set.
#SH# LD_SONAME=

## Shared library options
LD_SOOPTIONS= -Wl,-Bsymbolic

## Shared object suffix
SO = so
## Non-shared intermediate object suffix
STATIC_O = ao

## Compilation rules
%.$(STATIC_O): $(srcdir)/%.c
	$(call SILENT_COMPILE,$(strip $(COMPILE.c) $(STATICCPPFLAGS) $(STATICCFLAGS)) -o $@ $<)
%.o: $(srcdir)/%.c
	$(call SILENT_COMPILE,$(strip $(COMPILE.c) $(DYNAMICCPPFLAGS) $(DYNAMICCFLAGS)) -o $@ $<)

%.$(STATIC_O): $(srcdir)/%.cpp
	$(call SILENT_COMPILE,$(strip $(COMPILE.cc) $(STATICCPPFLAGS) $(STATICCXXFLAGS)) -o $@ $<)
%.o: $(srcdir)/%.cpp
	$(call SILENT_COMPILE,$(strip $(COMPILE.cc) $(DYNAMICCPPFLAGS) $(DYNAMICCXXFLAGS)) -o $@ $<)


## Dependency rules
%.d: $(srcdir)/%.c
	$(call ICU_MSG,(deps)) $<
	@$(SHELL) -ec '$(GEN_DEPS.c) $< \
		| sed '\''s%\($*\)\.o[ :]*%\1.o $@ : %g'\'' > $@; \
		[ -s $@ ] || rm -f $@'

%.d: $(srcdir)/%.cpp
	$(call ICU_MSG,(deps)) $<
	@$(SHELL) -ec '$(GEN_DEPS.cc) $< \
		| sed '\''s%\($*\)\.o[ :]*%\1.o $@ : %g'\'' > $@; \
		[ -s $@ ] || rm -f $@'

## Versioned libraries rules

%.$(SO).$(SO_TARGET_VERSION_MAJOR): %.$(SO).$(SO_TARGET_VERSION)
	$(RM) $@ && ln -s ${<F} $@
%.$(SO): %.$(SO).$(SO_TARGET_VERSION_MAJOR)
	$(RM) $@ && ln -s ${*F}.$(SO).$(SO_TARGET_VERSION) $@

##  Bind internal references

# LDflags that pkgdata will use
BIR_LDFLAGS= -Wl,-Bsymbolic

# Dependencies [i.e. map files] for the final library
BIR_DEPS=

## Remove shared library 's'
STATIC_PREFIX_WHEN_USED = 
STATIC_PREFIX = 

## End Linux-specific setup