#
# Copyright (c) ZeroC, Inc. All rights reserved.
#

#
# Use specific PHP version
#
PHP_CONFIG      ?= php-config

#
# The extension is by default built with namespaces enabled
# it is possible to build the PHP extension with namespaces
# disabled by setting `USE_NAMESPACES` property to `no`
#
USE_NAMESPACES  ?= yes

# ----------------------------------------------------------------------
# Don't change anything below this line!
# ----------------------------------------------------------------------

ifneq ($(USE_NAMESPACES),yes)
slice2php_flags         = --no-namespace
endif

#
# $(call make-php-test-project,$1=testdir)
#
define make-php-test-project

$1/.depend/%.ice.d: | $1/.depend ;

$1/.depend:
	$(Q)$(MKDIR) -p $$@

.PRECIOUS: $1/.depend/%.ice.d

ifeq ($(filter %clean,$(MAKECMDGOALS)),)
    # Include the dependencies
    -include $(addprefix $1/.depend/,$(call source-to-dependency,$(wildcard $1/*.ice)))
endif

$1/%.php: $1/%.ice $1/.depend/%.ice.d $(slice2php_path)
	$(E) "Compiling $$<"
	$(Q)$(slice2php_path) $(slice2php_flags) -I$(slicedir) -I$1 --output-dir $1 $$($1_sliceflags) --depend $$< | \
		sed 's/\(.*: \\\)/$(subst /,\/,$2)\/$3\/\1/' > $1/.depend/$$(*F).ice.d
	$(Q)$(slice2php_path) $(slice2php_flags) -I$(slicedir) -I$1 --output-dir $1 $$($1_sliceflags) $$<

distclean clean::
	$(E) "Cleaning $1"
	$(Q)$(RM) -r $1/.depend
	$(Q)$(RM) $(patsubst $1/%.ice,$1/%.php,$(wildcard $1/*.ice))

tests generate-srcs srcs all:: $(patsubst $1/%.ice,$1/%.php,$(wildcard $1/*.ice))

endef

# Configuration for building IcePHP sources
ifeq ($(filter all php,$(ICE_BIN_DIST)),)

ifneq ($(shell type $(PHP_CONFIG) > /dev/null 2>&1 && echo 0),0)
$(error $(PHP_CONFIG) not found review your PHP installation and ensure $(PHP_CONFIG) is in your PATH)
endif

php_cppflags            = $(shell $(PHP_CONFIG) --includes)

ifeq ($(USE_NAMESPACES),yes)
php_cppflags            := $(php_cppflags) -DICEPHP_USE_NAMESPACES
endif

# PHP 5.3 does not compile with C++11 due to an issue with
# user defined literals. PHP 5.4 and up do not have this issue.
ifeq ($(shell [ $$($(PHP_CONFIG) --vernum) -lt 50400 ] && echo 0),0)
    php_cppflags        := -std=c++98 $(php_cppflags)
endif

ifeq ($(os),Darwin)
    php_cppflags        := $(php_cppflags) -Wno-unused-parameter -Wno-missing-field-initializers
    php_ldflags         := ${wl}-flat_namespace ${wl}-undefined ${wl}suppress
endif

ifeq ($(os),Linux)
   cppflags             := $(filter-out -Wshadow,$(cppflags))
   php_cppflags         := $(php_cppflags) -Wno-unused-parameter -Wno-missing-field-initializers
   allow-undefined-symbols    := yes
endif

#
# On the default platform, always write/install the module in the lib directory.
#
$(foreach p,$(supported-platforms),$(eval $$p_targetdir[IcePHP] := /$$p))
$(firstword $(supported-platforms))_targetdir[IcePHP] :=
$(firstword $(supported-platforms))_installdir[IcePHP] :=

#
# PHP installation directory
#
install_phpdir          ?= $(if $(usr_dir_install),$(prefix)/share/php,$(prefix)/php)
install_phplibdir       ?= $(if $(usr_dir_install),$(shell $(PHP_CONFIG) --extension-dir),$(prefix)/php)

#
# Rules to build a php module. We just compute the name of the php module
# and delegate to make-shared-module.
#
mkphpmodulename                 ?= $(patsubst lib%,%,$(call mkshlibname,$(1)))
make-shared-php-module          = $(call make-shared-module,$(call mkphpmodulename,$1),$2,$3,$4,$5,$6,$7,$8,$9)
get-shared-php-module-targets   = $(call get-shared-module-targets,$(call mkphpmodulename,$1),$2,$3,$4)
install-shared-php-module       = $(call install-shared-module,$(call mkphpmodulename,$1),$2,$3,$4,$5)

$(DESTDIR)$(install_phpdir):
	$(Q)$(MKDIR) -p $@
installdirs += $(install_phpdir)

#
# $(call make-php-package,$1=slicedir,$2=generateddir,$3=package,$4=sliceflags)
#
# Compile slice files from $(slicedir)/<package> to php/<package>.
#
define make-php-package

ifeq ($(filter all php, $(ICE_BIN_DIST)),)

$2/$3/.depend/%.ice.d: | $2/$3/.depend ;

$2/$3/.depend:
	$(Q)$(MKDIR) -p $$@

.PRECIOUS: $2/$3/.depend/%.ice.d

ifeq ($(filter %clean,$(MAKECMDGOALS)),)
    # Include the dependencies
    -include $(addprefix $2/$3/.depend/,$(call source-to-dependency,$(wildcard $1/$3/*.ice)))
endif

$2/$3/%.php: $1/$3/%.ice $2/$3/.depend/%.ice.d $(slice2php_path)
	$(E) "Compiling $$<"
	$(Q)$(slice2php_path) $(slice2php_flags) -I$1 --output-dir $2/$3 $4 --depend $$< | \
		sed 's/\(.*: \\\)/$(subst /,\/,$2)\/$3\/\1/' > $2/$3/.depend/$$(*F).ice.d
	$(Q)$(slice2php_path) $(slice2php_flags) -I$1 --output-dir $2/$3 $4 $$<

distclean clean::
	$(E) "Cleaning package $3"
	$(Q)$(RM) -r $2/$3/.depend
	$(Q)$(RM) $(patsubst $1/$3/%.ice,$2/$3/%.php,$(wildcard $1/$3/*.ice))

generate-srcs srcs all:: $(patsubst $1/$3/%.ice,$2/$3/%.php,$(wildcard $1/$3/*.ice))

$$(eval $$(call install-data-files,$(patsubst $1/$3/%.ice,$2/$3/%.php,$(wildcard $1/$3/*.ice)),$2,$(install_phpdir),install))

endif

endef

endif