## -*-makefile-*-
## Copyright (C) 2016 and later: Unicode, Inc. and others.
## License & terms of use: http://www.unicode.org/copyright.html
## Linux-specific setup for Visual Age
## Copyright (c) 2003-2010, 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)

# -qroconst make the strings readonly, which is usually the default.
#           This helps in the data library,
# -qproto assumes all functions are prototyped (for optimization)
CFLAGS += -qproto -qroconst
CXXFLAGS += -qproto -qroconst

GENCCODE_ASSEMBLY=-a gcc
## Flags for position independent code
SHAREDLIBCFLAGS = -qpic=large
SHAREDLIBCXXFLAGS = -qpic=large
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,

## 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=

## The type of assembly needed when pkgdata is used for generating shared libraries.
GENCCODE_ASSEMBLY=-a gcc

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

## Override the default mechanism for building shared objects
SHLIB.c=      $(CC)  $(CFLAGS)   -qmkshrobj -qpic=large -G $(LDFLAGS) 
SHLIB.cc=     $(CXX) $(CXXFLAGS) -qmkshrobj -qpic=large -G $(LDFLAGS)

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

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


## Dependency rules
%.d: $(srcdir)/%.c
	@echo "generating dependency information for $<"
	@$(SHELL) -ec '$(GEN_DEPS.c) $< > /dev/null'

%.d: $(srcdir)/%.cpp
	@echo "generating dependency information for $<"
	@$(SHELL) -ec '$(GEN_DEPS.cc) $< > /dev/null'

## 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) $@

## End Linux-specific setup