## -*-makefile-*-
## Copyright (C) 2016 and later: Unicode, Inc. and others.
## License & terms of use: http://www.unicode.org/copyright.html
## Cygwin/MinGW specific setup
## Copyright (c) 2001-2014, International Business Machines Corporation and
## others. All Rights Reserved.

# TODO: Finish the rest of this port. This platform port is incomplete.

# This file is similar to mh-mingw64
# Any changes made here may also need to be made in mh-mingw64

# On Windows we generally have the DLLs in the bin directory rather than the lib directory.
# This setting moves the ICU DLLs into the bin folder for MinGW/MSYS2 when "make install" is run.
# If you prefer to have the DLLs in the lib folder, then set this to NO instead.
MINGW_MOVEDLLSTOBINDIR = YES

# We install sbin tools into the same bin directory because
# pkgdata needs some of the tools in sbin, and we can't always depend on
# icu-config working on Windows.
sbindir=$(bindir)

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

## Flags to create/use a static library
ifneq ($(ENABLE_SHARED),YES)
## Make sure that the static libraries can be built and used
CPPFLAGS += -DU_STATIC_IMPLEMENTATION
else
## Make sure that the static libraries can be built
STATICCPPFLAGS = -DU_STATIC_IMPLEMENTATION
endif

## ICU requires a minimum target of Windows 7, and MinGW does not set this by default.
## https://msdn.microsoft.com/en-us/library/aa383745.aspx
CPPFLAGS += -DWINVER=0x0601 -D_WIN32_WINNT=0x0601

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

## Additional flags when building libraries and with threads
THREADSCFLAGS = -mthreads
THREADSCXXFLAGS = -mthreads
LIBCPPFLAGS =

## Add 'd' suffix to the names of binary files with Debug configuration
ifeq ($(ENABLE_DEBUG),1)
ICULIBSUFFIX:=$(ICULIBSUFFIX)d#M#
endif

# Commands to link. Link with C++ in case static libraries are used.
LINK.c=       $(CXX) $(CXXFLAGS) $(LDFLAGS)
#LINK.cc=      $(CXX) $(CXXFLAGS) $(LDFLAGS)

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

## Commands to make a shared library
SHLIB.c=	$(CC) $(CFLAGS) $(LDFLAGS) -shared $(LD_SOOPTIONS) -Wl,--enable-auto-import -Wl,--out-implib=$(dir $@)lib$(notdir $(@:$(SO_TARGET_VERSION_MAJOR).$(SO)=))$(IMPORT_LIB_EXT)#M#
SHLIB.cc=	$(CXX) $(CXXFLAGS) $(LDFLAGS) -shared $(LD_SOOPTIONS) -Wl,--enable-auto-import -Wl,--out-implib=$(dir $@)lib$(notdir $(@:$(SO_TARGET_VERSION_MAJOR).$(SO)=))$(IMPORT_LIB_EXT)#M#

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

## Compiler switch to embed a library name
LD_SONAME = 

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

ifeq ($(ENABLE_SHARED),YES)
SO_TARGET_VERSION_SUFFIX = $(SO_TARGET_VERSION_MAJOR)
else
SO_TARGET_VERSION_SUFFIX = 
endif

# Static library prefix and file extension
LIBSICU = $(LIBPREFIX)$(STATIC_PREFIX)$(ICUPREFIX)
A = a

## An import library is needed for z/OS and MSVC
IMPORT_LIB_EXT = .dll.a

LIBPREFIX=lib

# Change the stubnames so that poorly working FAT disks and installation programs can work.
# This is also for backwards compatibility.
DATA_STUBNAME = dt
I18N_STUBNAME = in
LIBICU = $(STATIC_PREFIX_WHEN_USED)$(ICUPREFIX)

#SH### copied from Makefile.inc
#SH## for icu-config to test with
#SH#ICULIBS_COMMON_LIB_NAME="${LIBICU}${COMMON_STUBNAME}${ICULIBSUFFIX}${ICULIBSUFFIX_VERSION}.${SO}"
#SH#ICULIBS_COMMON_LIB_NAME_A="${LIBICU}${COMMON_STUBNAME}${ICULIBSUFFIX}.${A}"

#SH#ICULIBS_DATA="-l$(ICUPREFIX)$(DATA_STUBNAME)$(ICULIBSUFFIX)$(ICULIBSUFFIX_VERSION)"
ICULIBS_DT="-l$(ICUPREFIX)$(DATA_STUBNAME)$(ICULIBSUFFIX)$(ICULIBSUFFIX_VERSION)"
ICULIBS_I18N="-l$(ICUPREFIX)$(I18N_STUBNAME)$(ICULIBSUFFIX)$(ICULIBSUFFIX_VERSION)"
ICULIBS_IO="-l$(ICUPREFIX)$(IO_STUBNAME)$(ICULIBSUFFIX)$(ICULIBSUFFIX_VERSION)"
ICULIBS_UC="-l$(ICUPREFIX)$(COMMON_STUBNAME)$(ICULIBSUFFIX)$(ICULIBSUFFIX_VERSION)"
#SH#
#SH## ICULIBS is the set of libraries your application should link
#SH## with usually. Many applications will want to add ${ICULIBS_I18N} as well. 
#SH#ICULIBS="${ICULIBS_BASE} ${ICULIBS_I18N} ${ICULIBS_COMMON} ${ICULIBS_DATA} "

# Note: The #M# is used to delete lines for icu-config
MSYS_VERSION ?= $(if $(findstring Msys, $(shell uname -o)),$(word 1, $(subst ., ,$(shell uname -r))),0)#M#
$(info Detected MSYS version: $(MSYS_VERSION))

ifeq ($(MSYS_VERSION),$(filter $(MSYS_VERSION),0 1))
	# Older versions of MSYS don't have cygpath by default. #M#
	
	# Current full path directory. #M#
	#CURR_FULL_DIR=$(shell pwd -W)#M# for MSYS
	CURR_FULL_DIR?=$(subst \,/,$(shell cmd /c cd))#M# for Cygwin shell 

	# Current full path directory for use in source code in a -D compiler option. #M#
	#CURR_SRCCODE_FULL_DIR=$(subst /,\\\\,$(shell pwd -W))#M# for MSYS
	CURR_SRCCODE_FULL_DIR=$(subst \,/,$(shell cmd /c cd))#M# for Cygwin shell
else
	# MSYS2 and up have cygpath by default #M#

	# Current full path directory. #M#
	CURR_FULL_DIR?=$(shell cygpath . -a -m)#M#

	# Current full path directory for use in source code in a -D compiler option. #M#
	CURR_SRCCODE_FULL_DIR=$(shell cygpath . -a -m)#M#
endif

## 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 $<"
	@echo -n "$@ " > $@
	@$(GEN_DEPS.c) $< >> $@ || (rm -f $@ && FALSE)

%.d: $(srcdir)/%.cpp
	@echo "generating dependency information for $<"
	@echo -n "$@ " > $@
	@$(GEN_DEPS.cc) $< >> $@ || (rm -f $@ && FALSE)

## Versioned target for a shared library.
## Since symbolic links don't work the same way on Windows,
## we only use the version major number.
#FINAL_SO_TARGET=$(basename $(SO_TARGET))$(SO_TARGET_VERSION).$(SO)
FINAL_SO_TARGET=$(basename $(SO_TARGET))$(SO_TARGET_VERSION_MAJOR).$(SO)
MIDDLE_SO_TARGET=$(FINAL_SO_TARGET)

FINAL_IMPORT_LIB = $(dir $(SO_TARGET))lib$(notdir $(basename $(SO_TARGET)))$(IMPORT_LIB_EXT)#M#
IMPORT_LIB = $(FINAL_IMPORT_LIB)#M#
MIDDLE_IMPORT_LIB = $(FINAL_IMPORT_LIB)#M#

## Special pkgdata information that is needed
PKGDATA_VERSIONING = -r $(SO_TARGET_VERSION_MAJOR)

## Versioned libraries rules
#%$(SO_TARGET_VERSION_MAJOR).$(SO): %$(SO_TARGET_VERSION).$(SO)
#	$(RM) $@ && cp ${<F} $@
%.$(SO): %$(SO_TARGET_VERSION_MAJOR).$(SO)
	@echo -n

# Environment variable to set a runtime search path
LDLIBRARYPATH_ENVVAR = PATH

# The type of assembly to write for generating an object file
GENCCODE_ASSEMBLY=-a gcc-cygwin

# These are needed to allow the pkgdata GNU make files to work
PKGDATA_DEFS = -DU_MAKE=\"$(MAKE)\"

## End Cygwin/MinGW specific setup