## Cygwin with Microsoft Visual C++ compiler specific setup
## Copyright (C) 2016 and later: Unicode, Inc. and others.
## License & terms of use: http://www.unicode.org/copyright.html
## Copyright (c) 2001-2013, International Business Machines Corporation and
## others. All Rights Reserved.

# 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=	:
GEN_DEPS.cc=	:
#GEN_DEPS.c=	$(COMPILE.c) -E
#GEN_DEPS.cc=	$(COMPILE.cc) -E

## 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#M#
else
## Make sure that the static libraries can be built
STATICCPPFLAGS = -DU_STATIC_IMPLEMENTATION
endif

## ICU requires a minimum target of Windows 7, and WINVER is not set to 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 =

## Additional flags when building libraries and with threads
LIBCPPFLAGS = 

ifeq ($(ENABLE_RELEASE),1)
# Make sure that assertions are disabled
CPPFLAGS+=-DU_RELEASE=1#M#
endif

ifeq ($(ENABLE_DEBUG),1)
# Pass debugging flag through
CPPFLAGS+=-D_DEBUG=1#M#
ICULIBSUFFIX:=$(ICULIBSUFFIX)d#M#
endif

# /GF pools strings and places them into read-only memory
# /EHsc enables exception handling
# /Zc:wchar_t makes wchar_t a native type. Required for C++ ABI compatibility.
# -D_CRT_SECURE_NO_DEPRECATE is needed to quiet warnings about using standard C functions.
# -utf-8 set source file encoding to utf-8.
CFLAGS+=-GF -nologo -utf-8
CXXFLAGS+=-GF -nologo -EHsc -Zc:wchar_t -utf-8
CPPFLAGS+=-D_CRT_SECURE_NO_DEPRECATE
DEFS+=-DWIN32 -DCYGWINMSVC
LDFLAGS+=-nologo

# Commands to compile
COMPILE.c=	$(CC) $(CPPFLAGS) $(DEFS) $(CFLAGS) -c
COMPILE.cc=	$(CXX) $(CPPFLAGS) $(DEFS) $(CXXFLAGS) -c

# Commands to link
LINK.c=		LINK.EXE -subsystem:console $(LDFLAGS)
LINK.cc=	LINK.EXE -subsystem:console $(LDFLAGS)

## Commands to make a shared library
SHLIB.c=	LINK.EXE -DLL $(LDFLAGS)
SHLIB.cc=	LINK.EXE -DLL $(LDFLAGS)

## Compiler switch to embed a runtime search path
LD_RPATH=	
LD_RPATH_PRE=

## Compiler switch to embed a library name
LD_SONAME = -IMPLIB:$(SO_TARGET:.dll=.lib)

## Shared object suffix
SO = dll
## Non-shared intermediate object suffix
STATIC_O = ao
# OUTOPT is for creating a specific output name
OUTOPT = -out:

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

# Cygwin's ar can't handle Win64 right now. So we use Microsoft's tool instead.
AR = LIB.EXE#M#
ARFLAGS := -nologo $(ARFLAGS:r=)#M#
RANLIB = ls -s#M#
AR_OUTOPT = -OUT:#M#

## An import library is needed for z/OS, MSVC and Cygwin
IMPORT_LIB_EXT = .lib

LIBPREFIX=
DEFAULT_LIBS = advapi32.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)

## Link commands to link to ICU libs
ifeq ($(wildcard $(LIBDIR)/$(LIBICU)$(DATA_STUBNAME)$(ICULIBSUFFIX).lib),)
LIBICUDT=	$(top_builddir)/stubdata/$(LIBICU)$(DATA_STUBNAME)$(ICULIBSUFFIX).lib
else
LIBICUDT=	$(LIBDIR)/$(LIBICU)$(DATA_STUBNAME)$(ICULIBSUFFIX).lib
endif
LIBICUUC=	$(LIBDIR)/$(LIBICU)$(COMMON_STUBNAME)$(ICULIBSUFFIX).lib $(LIBICUDT)
LIBICUI18N=	$(LIBDIR)/$(LIBICU)$(I18N_STUBNAME)$(ICULIBSUFFIX).lib
LIBICULE=	$(LIBDIR)/$(LIBICU)$(LAYOUT_STUBNAME)$(ICULIBSUFFIX).lib
LIBICULX=	$(LIBDIR)/$(LIBICU)$(LAYOUTEX_STUBNAME)$(ICULIBSUFFIX).lib
LIBICUIO=	$(LIBDIR)/$(LIBICU)$(IO_STUBNAME)$(ICULIBSUFFIX).lib
LIBCTESTFW=	$(top_builddir)/tools/ctestfw/$(LIBICU)$(CTESTFW_STUBNAME)$(ICULIBSUFFIX).lib
LIBICUTOOLUTIL=	$(LIBDIR)/$(LIBICU)$(TOOLUTIL_STUBNAME)$(ICULIBSUFFIX).lib

## These are the library specific LDFLAGS
LDFLAGSICUDT+=	-base:"0x4ad00000" -NOENTRY# The NOENTRY option is required for creating a resource-only DLL.
LDFLAGSICUUC=	-base:"0x4a800000"# in-uc = 1MB
LDFLAGSICUI18N=	-base:"0x4a900000"# io-in = 2MB
LDFLAGSICUIO=	-base:"0x4ab00000"# le-io = 1MB
LDFLAGSICULX=	-base:"0x4ac80000"
LDFLAGSCTESTFW=# Unused for now.
LDFLAGSICUTOOLUTIL=	-base:"0x4ac00000"# Same as layout. Layout and tools probably won't mix.

# The #M# is used to delete lines for icu-config
# Current full path directory.
CURR_FULL_DIR?=$(subst \,/,$(shell cygpath -da .))#M# -m isn't used because it doesn't work on Win98
# Current full path directory for use in source code in a -D compiler option.
CURR_SRCCODE_FULL_DIR=$(subst \,\\,$(shell cygpath -da .))#M#

ifeq ($(srcdir),.)
SOURCE_FILE=$<
else
SOURCE_FILE=$(shell cygpath -dma $<)#M#
endif

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

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


## Dependency rules
## This is a start to how depdendencies could work
# The commented out rules may not properly delete the file when ^C is pressed
#   or the compiler fails.
# make currently doesn't like rules with C:\\PROGRA~1\\.. in the depedency.
#   So system headers are ignored by ignoring \\
%.d : $(srcdir)/%.c
	@echo "generating dependency information for $<"
	@$(GEN_DEPS.c) $< > $@
#	@echo -n "generating dependency information for "
#	@echo -n "$@ $(basename $<).o : " > $@
#	@$(SHELL) -ec '$(GEN_DEPS.c) $< \
#		| grep "#line 1 " | grep -v \\\\ | cut -d " " -f 3 \
#		| /usr/bin/sort -u | sed s/\"$$/\\\\/ | sed s/^\"/\	/ >> $@ \
#		|| (rm -f $@ && echo $@ && false)'

%.d : $(srcdir)/%.cpp
	@echo "generating dependency information for $<"
	@$(GEN_DEPS.cc) $< > $@
#	@echo -n "generating dependency information for "
#	@echo -n "$@ $(basename $<).o : " > $@
#	@$(SHELL) -ec '$(GEN_DEPS.cc) $< \
#		| grep "#line 1 " | grep -v \\\\ | cut -d " " -f 3 \
#		| /usr/bin/sort -u | sed s/\"$$/\\\\/ | sed s/^\"/\	/ >> $@ \
#		|| (rm -f $@ && echo $@ && false)'

## Compile a Windows resource file
%.res : $(srcdir)/%.rc
	rc.exe -fo$@ $(CPPFLAGS) $(SOURCE_FILE)

## Versioned target for a shared library.
FINAL_SO_TARGET= $(basename $(SO_TARGET))$(SO_TARGET_VERSION_MAJOR).$(SO)
MIDDLE_SO_TARGET=$(FINAL_SO_TARGET)

## Starting in MSVC 2005, manifest files are required. This reduces the obnoxiousness of this feature.
	POST_SO_BUILD_STEP = @([ -e $<.manifest ] && \
	( echo Embedding manifest into $< && mt.exe -nologo -manifest $<.manifest -outputresource:"$<;2" && rm -rf $<.manifest )) \
	|| true
	POST_BUILD_STEP = @([ -e $@.manifest ] && \
	( echo Embedding manifest into $@ && mt.exe -nologo -manifest $@.manifest -outputresource:"$@;1" && rm -rf $@.manifest )) \
	|| true

## Special pkgdata information that is needed
PKGDATA_VERSIONING = -r $(SO_TARGET_VERSION_MAJOR)
ICUPKGDATA_INSTALL_DIR = $(shell mkdir -p  $(DESTDIR)$(ICUPKGDATA_DIR) ;  cygpath -dma $(DESTDIR)$(ICUPKGDATA_DIR))#M#
ICUPKGDATA_INSTALL_LIBDIR = $(shell mkdir -p  $(DESTDIR)$(libdir) ; cygpath -dma $(DESTDIR)$(libdir))#M#

## Versioned import library names. The library names are versioned,
## but the import libraries do not need versioning.
IMPORT_LIB = $(basename $(SO_TARGET))$(IMPORT_LIB_EXT)#M#
MIDDLE_IMPORT_LIB = $(IMPORT_LIB)#M#
FINAL_IMPORT_LIB = $(MIDDLE_IMPORT_LIB)#M#

# The following is for Makefile.inc's use.
ICULIBSUFFIX_VERSION = $(LIB_VERSION_MAJOR)

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

# The following rule is sometimes a no op.
# We only want to do a post-build step when a manifest file doesn't exist.
%.$(SO): %$(SO_TARGET_VERSION_MAJOR).$(SO)
	@echo -n
	$(POST_SO_BUILD_STEP)

## Install libraries as executable
INSTALL-L=$(INSTALL_PROGRAM)

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

# These are needed to allow the pkgdata nmake files to work
PKGDATA_INVOKE_OPTS = MAKEFLAGS=

# Include the version information in the shared library
ENABLE_SO_VERSION_DATA=1

## End Cygwin-specific setup