# sets  e. g. to LINUX, OS_MAJOR_VERSION to 2 and OS_MINOR_VERSION to 6
# by calling the 'guess_env' shell script, where the actual probing happens
# Also sets PLATFORM_COMPILE_FLAGS to be included when compiling C/C++ code
#
# requires:
# - TOPDIR
#
# provides:
# - PLATFORM
# - OS_MAJOR_VERSION and OS_MINOR_VERSION
# - GCC_MAJOR_VERSION and GCC_MINOR_VERSION
# - PLATFORM_COMPILE_FLAGS
# - EXE
# - SO
# - INSTALL
#
# author: Andreas Baumann, abaumann at yahoo dot com

-include $(HOME)/config.mk
-include $(TOPDIR)/makefiles/gmake/platform.mk.vars

# set up defaults for the build switches
WITH_SSL ?= 0
WITH_SYSTEM_SQLITE3 ?= 0
WITH_LOCAL_SQLITE3 ?= 0
WITH_PGSQL ?= 0
WITH_LIBXML2 ?= 0
ENABLE_NLS ?= 1

# variables guessed by 'guess_env'
PLATFORM ?=		$(shell $(SHELL) $(TOPDIR)/makefiles/gmake/guess_env --platform "$(CC)" "$(CURDIR)" $(TOPDIR))
OS_MAJOR_VERSION ?=	$(shell $(SHELL) $(TOPDIR)/makefiles/gmake/guess_env --os-major-version "$(CC)" "$(CURDIR)" $(TOPDIR))
OS_MINOR_VERSION ?=	$(shell $(SHELL) $(TOPDIR)/makefiles/gmake/guess_env --os-minor-version "$(CC)" "$(CURDIR)" $(TOPDIR))
COMPILER ?=		$(shell $(SHELL) $(TOPDIR)/makefiles/gmake/guess_env --compiler "$(CC)" "$(CURDIR)" $(TOPDIR))
ifeq "$(PLATFORM)" "LINUX"
LINUX_DIST ?=		$(shell $(SHELL) $(TOPDIR)/makefiles/gmake/guess_env --linux-dist "$(CC)" "$(CURDIR)" $(TOPDIR))
LINUX_REV ?=		$(shell $(SHELL) $(TOPDIR)/makefiles/gmake/guess_env --linux-rev "$(CC)" "$(CURDIR)" $(TOPDIR))
endif

# set library path on Intel/AMD

ifeq "$(PLATFORM)" "LINUX"
ifeq "$(ARCH)" "x86"
ifeq "$(LINUX_DIST)" "arch"
LIBDIR=lib32
else
LIBDIR=lib
endif
else
LIBDIR=lib
endif
ifeq "$(ARCH)" "x86_64"
ifeq "$(LINUX_DIST)" "arch"
LIBDIR=lib
else
LIBDIR=lib64
endif
else
LIBDIR=lib
endif
endif

ifeq "$(PLATFORM)" "FREEBSD"
LIBDIR=lib
endif

ifeq "$(PLATFORM)" "OPENBSD"
LIBDIR=lib
endif

ifeq "$(PLATFORM)" "NETBSD"
LIBDIR=lib
endif

# Sparc or Intel, always 'lib'
ifeq "$(PLATFORM)" "SUNOS"
LIBDIR=lib
endif


# default location of system libraries per architecture
SYSTEM_LIBDIR=/usr/$(LIBDIR)

# platform specific flags
#########################

PLATFORM_COMPILE_FLAGS = \
			-D$(PLATFORM) \
			-DOS_MAJOR_VERSION=$(OS_MAJOR_VERSION) \
			-DOS_MINOR_VERSION=$(OS_MINOR_VERSION)

ifeq "$(PLATFORM)" "LINUX"
PLATFORM_COMPILE_FLAGS += \
			-DLINUX_DIST=$(LINUX_DIST) -DLINUX_REV=$(LINUX_REV)
endif

# extensions for binaries
ifeq "$(PLATFORM)" "CYGWIN"
EXE = .exe
else
EXE =
endif

# extensions for shared libraries
# (TOOD: HP/Unix has .shlib, Mac/X has .dylib, but we can't test it currently)
SO = .so

# name if the installation program
# (TODO: use the MIT or openradio install-sh script instead?)
ifndef INSTALL
INSTALL = $(shell $(SHELL) $(TOPDIR)/makefiles/gmake/guess_env --install)
ifeq "$(PLATFORM)" "SUNOS"
INSTALL = /usr/ucb/install
else
INSTALL = install
endif
endif

# dynamic linker
################

# the linker library for dynamically loadable modules
# (TODO: check for all platforms, as soon we add loadable modules here from
# old TextWolf)
ifeq "$(PLATFORM)" "LINUX"
LIBS_DL = -ldl
else
LIBS_DL =
endif

# Note for dlopen to work (at least on FreeBSD) with rtti information we have to export all symbols
# in the binary and in the modules (see http://stackoverflow.com/questions/2351786/dynamic-cast-fails-when-used-with-dlopen-dlsym)
LDFLAGS_DL =
ifeq "$(PLATFORM)" "LINUX"
LDFLAGS_DL = -Wl,-E
endif
ifeq "$(PLATFORM)" "FREEBSD"
LDFLAGS_DL = -Wl,-E
endif
ifeq "$(PLATFORM)" "OPENBSD"
LDFLAGS_DL = -Wl,-E
endif
ifeq "$(PLATFORM)" "NETBSD"
LDFLAGS_DL = -Wl,-E
endif

# i18n, gettext/libintl
#######################

ifeq "$(ENABLE_NLS)" "1"

# we relly only on the GNU version, other versions (e.g. Solaris) are not
# so nice..

MSGFMT=msgfmt
MSGMERGE=msgmerge
XGETTEXT=xgettext

# the GNU internationalization support is sometimes in separate libarries
ifeq "$(PLATFORM)" "LINUX"
INCLUDE_FLAGS_LT =
LDFLAGS_LT =
LIBS_LT =
endif

ifeq "$(PLATFORM)" "SUNOS"
LIBLT_DIR ?= /usr/local
INCLUDE_FLAGS_LT = -I$(LIBLT_DIR)/include
LDFLAGS_LT = -L$(LIBLT_DIR)/lib
LIBS_LT = -lintl
endif

ifeq "$(PLATFORM)" "FREEBSD"
INCLUDE_FLAGS_LT = -I/usr/local/include
LDFLAGS_LT = -L/usr/local/lib
LIBS_LT = -lintl
endif

ifeq "$(PLATFORM)" "OPENBSD"
INCLUDE_FLAGS_LT = -I/usr/local/include
LDFLAGS_LT = -L/usr/local/lib
LIBS_LT = -lintl -liconv
endif

ifeq "$(PLATFORM)" "NETBSD"
INCLUDE_FLAGS_LT =
LDFLAGS_LT =
LIBS_LT = -lintl
endif

ifeq "$(PLATFORM)" "CYGWIN"
INCLUDE_FLAGS_LT =
LDFLAGS_LT =
LIBS_LT = -lintl
endif

PLATFORM_COMPILE_FLAGS +=  $(INCLUDE_FLAGS_LT)

endif

PLATFORM_COMPILE_FLAGS += \
	-DENABLE_NLS=$(ENABLE_NLS) -DLOCALEDIR=\"$(localedir)\"

# command line parser generator gengetopt
########################################

# location of gengetopt (default: in the path)
GENGETOPT=gengetopt

# some platform either have no getopt/getopt_long or a broken one, so
# gengetopt can include its own one

GENGETOPT_INCLUDE_GETOPT = 

ifeq "$(PLATFORM)" "SUNOS"
ifeq "$(OS_MAJOR_VERSION)" "5"
ifeq "$(OS_MINOR_VERSION)" "8"
GENGETOPT_INCLUDE_GETOPT =  --include-getopt
endif
endif

endif

# TCP/IP, DNS
#############

ifeq "$(PLATFORM)" "LINUX"
INCLUDE_FLAGS_NET =
LDFLAGS_NET =
LIBS_NET =
endif

ifeq "$(PLATFORM)" "SUNOS"
INCLUDE_FLAGS_NET =
LDFLAGS_NET =
LIBS_NET = -lsocket -lnsl
endif

ifeq "$(PLATFORM)" "FREEBSD"
INCLUDE_FLAGS_NET =
LDFLAGS_NET =
LIBS_NET =
endif

ifeq "$(PLATFORM)" "OPENBSD"
INCLUDE_FLAGS_NET =
LDFLAGS_NET =
LIBS_NET =
endif

ifeq "$(PLATFORM)" "CYGWIN"
INCLUDE_FLAGS_NET =
LDFLAGS_NET =
LIBS_NET =
endif

ifeq "$(PLATFORM)" "NETBSD"
INCLUDE_FLAGS_NET =
LDFLAGS_NET =
LIBS_NET =
endif

PLATFORM_COMPILE_FLAGS +=  $(INCLUDE_FLAGS_NET)

# OpenSSL
#########

ifeq ($(WITH_SSL),1)

ifeq "$(PLATFORM)" "LINUX"

OPENSSL_LIBS ?= -lssl -lcrypto

endif

ifeq "$(PLATFORM)" "SUNOS"
ifeq "$(OS_MAJOR_VERSION)" "5"
ifeq "$(OS_MINOR_VERSION)" "10"
OPENSSL_DIR ?= /usr/local/ssl
OPENSSL_LIBS ?= -lssl -lcrypto
endif
endif
endif

ifeq "$(PLATFORM)" "FREEBSD"
ifeq "$(OS_MAJOR_VERSION)" "8"
OPENSSL_LIBS ?= -lssl -lcrypto
endif
ifeq "$(OS_MAJOR_VERSION)" "9"
OPENSSL_LIBS ?= -lssl -lcrypto
endif
endif

ifeq "$(PLATFORM)" "OPENBSD"
ifeq "$(OS_MAJOR_VERSION)" "5"
OPENSSL_LIBS ?= -lssl -lcrypto
endif
endif

ifeq "$(PLATFORM)" "NETBSD"
ifeq "$(OS_MAJOR_VERSION)" "5"
OPENSSL_LIBS ?= -lssl -lcrypto
endif
endif

endif

# curl and curlpp
#################

ifeq ($(WITH_CURL),1)

ifeq "$(PLATFORM)" "LINUX"

CURL_INCLUDES ?=
CURL_LDFLAGS ?=
CURL_LIBS ?= -lcurl -lcurlpp

endif

ifeq "$(PLATFORM)" "SUNOS"
ifeq "$(OS_MAJOR_VERSION)" "5"
ifeq "$(OS_MINOR_VERSION)" "10"
CURL_INCLUDES ?= -I/opt/csw/include
CURL_LDFLAGS ?= -L/opt/csw/lib
CURL_LIBS ?= -lcurl -lcurlpp
endif
endif
endif

ifeq "$(PLATFORM)" "FREEBSD"
ifeq "$(OS_MAJOR_VERSION)" "8"
CURL_INCLUDES ?= -I/usr/local/include
CURL_LDFLAGS ?= -L/usr/local/lib
CURL_LIBS ?= -lcurl -lcurlpp
endif
ifeq "$(OS_MAJOR_VERSION)" "9"
CURL_INCLUDES ?= -I/usr/local/include
CURL_LDFLAGS ?= -L/usr/local/lib
CURL_LIBS ?= -lcurl -lcurlpp
endif
endif

ifeq "$(PLATFORM)" "OPENBSD"
ifeq "$(OS_MAJOR_VERSION)" "5"
CURL_INCLUDES ?= -I/usr/local/include
CURL_LDFLAGS ?= -L/usr/local/lib
CURL_LIBS ?= -lcurl -lcurlpp
endif
endif

ifeq "$(PLATFORM)" "NETBSD"
ifeq "$(OS_MAJOR_VERSION)" "5"
CURL_INCLUDES ?= -I/usr/pkg/include
CURL_LDFLAGS ?= -L/usr/pkg/lib
CURL_LIBS ?= -lcurl -lcurlpp
endif
endif

endif

# tolua
#######

ifeq ($(WITH_LUA),1)
TOLUA_DIR = $(TOPDIR)/tolua
LUA_DIR = $(TOPDIR)/lua
TOLUA = LD_LIBRARY_PATH=$(LUA_DIR)/src $(TOLUA_DIR)/bin/tolua
TOLUA_INCLUDES = -I$(TOLUA_DIR)/include -I$(LUA_DIR)/src
TOLUA_LDFLAGS = -L$(LUA_DIR)/src
TOLUA_LIBS = $(TOLUA_DIR)/lib/libtolua.a
endif