scripts/utils.mk

# Utils

ifeq ($(BUILDGUI), 1)
  GUI		= 'GUI '
  GSPACE	=
else
  GUI		=
  GSPACE	= "    "
endif

 GOBJ		= $(GSPACE)$(notdir $(strip $@))


ifeq ($(VERBOSE),1)
  Q =
  S =
else
  Q = @
  S = -s
endif

# Use empty print_* macros if either SILENT or VERBOSE.
ifeq ($(findstring 1,$(SILENT)$(VERBOSE)),1)
  print_compile =
  print_app_build =
  print_fpic_compile =
  print_shared_lib_compile =
  print_plugin_obj_compile =
  print_plugin_build =
  print_install =
  print_update =
else
  print_compile =		echo '  $(GUI)COMPILE            '$(GOBJ);
  print_app_build =		echo '  $(GUI)BUILD              '$(GOBJ);
  print_fpic_compile =		echo '  $(GUI)COMPILE FPIC       '$(GOBJ);
  print_shared_lib_compile =	echo '  $(GUI)COMPILE SHARED LIB '$(GOBJ);
  print_plugin_obj_compile =	echo '  $(GUI)COMPILE PLUGIN OBJ '$(GOBJ);
  print_plugin_build =		echo '  $(GUI)BUILD PLUGIN       '$(GOBJ);
  print_static_lib_build =	echo '  $(GUI)BUILD STATIC LIB   '$(GOBJ);
  print_install =		echo '  $(GUI)INSTALL     '$(GSPACE)$1'	to	$(DESTDIR_SQ)$2';
  print_update =		echo '  $(GUI)UPDATE             '$(GOBJ);
endif

do_fpic_compile =					\
	($(print_fpic_compile)				\
	$(CC) -c $(CPPFLAGS) $(CFLAGS) $(EXT) -fPIC $< -o $@)

do_compile =							\
	($(if $(GENERATE_PIC), $(do_fpic_compile),		\
	 $(print_compile)					\
	 $(CC) -c $(CPPFLAGS) $(CFLAGS) $(EXT) $< -o $@))

do_app_build =						\
	($(print_app_build)				\
	$(CC) $^ -rdynamic -o $@ $(LDFLAGS) $(CONFIG_LIBS) $(LIBS))

do_build_static_lib =				\
	($(print_static_lib_build)		\
	$(RM) $@;  $(AR) rcs $@ $^)

do_compile_shared_library =			\
	($(print_shared_lib_compile)		\
	$(CC) --shared $^ -Wl,-soname,$(@F) -o $@)

do_compile_plugin_obj =				\
	($(print_plugin_obj_compile)		\
	$(CC) -c $(CPPFLAGS) $(CFLAGS) -fPIC -o $@ $<)

do_plugin_build =				\
	($(print_plugin_build)			\
	$(CC) $(CFLAGS) $(LDFLAGS) -shared -nostartfiles -o $@ $<)

do_compile_python_plugin_obj =			\
	($(print_plugin_obj_compile)		\
	$(CC) -c $(CPPFLAGS) $(CFLAGS) $(PYTHON_DIR_SQ) $(PYTHON_INCLUDES) -fPIC -o $@ $<)

do_python_plugin_build =			\
	($(print_plugin_build)			\
	$(CC) $< -shared $(LDFLAGS) $(PYTHON_LDFLAGS) -o $@)

define make_version.h
	(echo '/* This file is automatically generated. Do not modify. */';		\
	echo \#define VERSION_CODE $(shell						\
	expr $(VERSION) \* 256 + $(PATCHLEVEL));					\
	echo '#define EXTRAVERSION ' $(EXTRAVERSION);					\
	echo '#define VERSION_STRING "'$(VERSION).$(PATCHLEVEL).$(EXTRAVERSION)'"';	\
	echo '#define FILE_VERSION '$(FILE_VERSION);					\
	if [ -d $(src)/.git ]; then							\
	  d=`git diff`;									\
	  x="";										\
	  if [ ! -z "$$d" ]; then x="+"; fi;						\
	  echo '#define VERSION_GIT "'$(shell 						\
		git log -1 --pretty=format:"%H" 2>/dev/null)$$x'"';			\
	else										\
	  echo '#define VERSION_GIT "not-a-git-repo"';					\
	fi										\
	) > $1
endef

define update_version.h
	($(call make_version.h, $@.tmp);				\
	if [ -r $@ ] && cmp -s $@ $@.tmp; then				\
		rm -f $@.tmp;						\
	else								\
		$(print_update)						\
		mv -f $@.tmp $@;					\
	fi);
endef

define update_dir
	(echo $1 > $@.tmp;	\
	if [ -r $@ ] && cmp -s $@ $@.tmp; then				\
		rm -f $@.tmp;						\
	else								\
		$(print_update)						\
		mv -f $@.tmp $@;					\
	fi);
endef

define do_install
	$(print_install)				\
	if [ ! -d '$(DESTDIR_SQ)$2' ]; then		\
		$(INSTALL) -d -m 755 '$(DESTDIR_SQ)$2';	\
	fi;						\
	$(INSTALL) $1 '$(DESTDIR_SQ)$2'
endef

define do_install_data
	$(print_install)				\
	if [ ! -d '$(DESTDIR_SQ)$2' ]; then		\
		$(INSTALL) -d -m 755 '$(DESTDIR_SQ)$2';	\
	fi;						\
	$(INSTALL) -m 644 $1 '$(DESTDIR_SQ)$2'
endef

define do_install_ld
	if [ -d '$(DESTDIR_SQ)$2' ]; then				\
		$(print_install)					\
		if ! grep -q $3 $(DESTDIR_SQ)$2/$1 2>/dev/null; then	\
			echo '$3' >> $(DESTDIR_SQ)$2/$1;		\
			ldconfig;					\
		fi							\
	fi
endef