# -*- makefile -*-

CFLAGS_PLATFORM=

export LC_COLLATE := C
unexport LC_ALL

# Platform specific options
if COND_sparc64_ieee1275
  CFLAGS_PLATFORM += -mno-app-regs
  LDFLAGS_PLATFORM = -Wl,-melf64_sparc -Wl,--no-relax
endif
if COND_sparc64_emu
  CFLAGS_PLATFORM += -mno-app-regs
  LDFLAGS_PLATFORM = -Wl,--no-relax
endif
if COND_arm
if !COND_emu
  LDFLAGS_PLATFORM = -Wl,--wrap=__clear_cache
endif
endif
if COND_arm64
  CFLAGS_PLATFORM += -mcmodel=large
endif

#FIXME: discover and check XEN headers
CPPFLAGS_XEN = -I/usr/include

# Other options

CPPFLAGS_DEFAULT = -DGRUB_FILE=\"$(subst $(srcdir)/,,$<)\"
CPPFLAGS_DEFAULT += -I$(builddir)
CPPFLAGS_DEFAULT += -I$(srcdir)
CPPFLAGS_DEFAULT += -I$(top_builddir)
CPPFLAGS_DEFAULT += -I$(top_srcdir)
CPPFLAGS_DEFAULT += -I$(top_srcdir)/include
CPPFLAGS_DEFAULT += -I$(top_builddir)/include
CPPFLAGS_DEFAULT += -I$(top_srcdir)/grub-core/lib/libgcrypt-grub/include
CPPFLAGS_DEFAULT += -I$(top_srcdir)/grub-core/lib/libgcrypt-grub/src/
CCASFLAGS_DEFAULT = $(CPPFLAGS_DEFAULT) -DASM_FILE=1
BUILD_CPPFLAGS += $(CPPFLAGS_DEFAULT)

LDADD_KERNEL = $(TARGET_LIBGCC)

CFLAGS_KERNEL = $(CFLAGS_CPU) $(CFLAGS_PLATFORM) -ffreestanding
LDFLAGS_KERNEL = $(LDFLAGS_CPU) $(LDFLAGS_PLATFORM) -nostdlib $(TARGET_LDFLAGS_OLDMAGIC) $(TARGET_LDFLAGS_STATIC_LIBGCC)
CPPFLAGS_KERNEL = $(CPPFLAGS_CPU) $(CPPFLAGS_PLATFORM) -DGRUB_KERNEL=1
CCASFLAGS_KERNEL = $(CCASFLAGS_CPU) $(CCASFLAGS_PLATFORM)
STRIPFLAGS_KERNEL = -R .rel.dyn -R .reginfo -R .note -R .comment -R .drectve -R .note.gnu.gold-version

CFLAGS_MODULE = $(CFLAGS_CPU) $(CFLAGS_PLATFORM) -ffreestanding
LDFLAGS_MODULE = $(LDFLAGS_CPU) $(LDFLAGS_PLATFORM) -nostdlib $(TARGET_LDFLAGS_OLDMAGIC) -Wl,-r,-d
CPPFLAGS_MODULE = $(CPPFLAGS_CPU) $(CPPFLAGS_PLATFORM)
CCASFLAGS_MODULE = $(CCASFLAGS_CPU) $(CCASFLAGS_PLATFORM)

CFLAGS_IMAGE = $(CFLAGS_CPU) $(CFLAGS_PLATFORM) -fno-builtin
LDFLAGS_IMAGE = $(LDFLAGS_CPU) $(LDFLAGS_PLATFORM) -nostdlib $(TARGET_LDFLAGS_OLDMAGIC) -Wl,-S
CPPFLAGS_IMAGE = $(CPPFLAGS_CPU) $(CPPFLAGS_PLATFORM)
CCASFLAGS_IMAGE = $(CCASFLAGS_CPU) $(CCASFLAGS_PLATFORM)

CFLAGS_PROGRAM =
LDFLAGS_PROGRAM =
CPPFLAGS_PROGRAM =
CCASFLAGS_PROGRAM =

CFLAGS_LIBRARY =
CPPFLAGS_LIBRARY =
CCASFLAGS_LIBRARY =

# Other variables

grubconfdir = $(sysconfdir)/grub.d
platformdir = $(pkglibdir)/$(target_cpu)-$(platform)
starfielddir = $(pkgdatadir)/themes/starfield

CFLAGS_GNULIB = -Wno-undef -Wno-sign-compare -Wno-unused -Wno-unused-parameter -Wno-redundant-decls -Wno-unreachable-code -Wno-conversion
CPPFLAGS_GNULIB = -I$(top_builddir)/grub-core/gnulib -I$(top_srcdir)/grub-core/gnulib

CFLAGS_POSIX = -fno-builtin
CPPFLAGS_POSIX = -I$(top_srcdir)/grub-core/lib/posix_wrap

CFLAGS_GCRY = -Wno-error -Wno-missing-field-initializers -Wno-redundant-decls -Wno-undef $(CFLAGS_POSIX)
CPPFLAGS_GCRY = -I$(top_srcdir)/grub-core/lib/libgcrypt_wrap $(CPPFLAGS_POSIX) -D_GCRYPT_IN_LIBGCRYPT=1 -I$(top_srcdir)/include/grub/gcrypt

CPPFLAGS_EFIEMU = -I$(top_srcdir)/grub-core/efiemu/runtime

# List file macros for recognizing /interesting/ modules
CPPFLAGS_FS_LIST = -Dgrub_fs_register=FS_LIST_MARKER
CPPFLAGS_VIDEO_LIST= -Dgrub_video_register=VIDEO_LIST_MARKER
CPPFLAGS_PARTMAP_LIST = -Dgrub_partition_map_register=PARTMAP_LIST_MARKER
CPPFLAGS_PARTTOOL_LIST = -Dgrub_parttool_register=PARTTOOL_LIST_MARKER
CPPFLAGS_TERMINAL_LIST = '-Dgrub_term_register_input(...)=INPUT_TERMINAL_LIST_MARKER(__VA_ARGS__)'
CPPFLAGS_TERMINAL_LIST += '-Dgrub_term_register_output(...)=OUTPUT_TERMINAL_LIST_MARKER(__VA_ARGS__)'
CPPFLAGS_COMMAND_LIST = '-Dgrub_register_command(...)=COMMAND_LIST_MARKER(__VA_ARGS__)'
CPPFLAGS_COMMAND_LIST += '-Dgrub_register_extcmd(...)=EXTCOMMAND_LIST_MARKER(__VA_ARGS__)'
CPPFLAGS_COMMAND_LIST += '-Dgrub_register_command_p1(...)=P1COMMAND_LIST_MARKER(__VA_ARGS__)'
CPPFLAGS_MARKER = $(CPPFLAGS_FS_LIST) $(CPPFLAGS_VIDEO_LIST) \
	$(CPPFLAGS_PARTTOOL_LIST) $(CPPFLAGS_PARTMAP_LIST) \
	$(CPPFLAGS_TERMINAL_LIST) $(CPPFLAGS_COMMAND_LIST)

# Define these variables to calm down automake

IMG_FILES =
MOD_FILES =
MODULE_FILES =
MARKER_FILES =
KERNEL_HEADER_FILES =

man_MANS =
noinst_DATA =
pkgdata_DATA =
bin_SCRIPTS =
sbin_SCRIPTS =
bin_PROGRAMS =
platform_DATA =
sbin_PROGRAMS =
check_SCRIPTS =
dist_grubconf_DATA =
check_PROGRAMS =
noinst_SCRIPTS =
noinst_PROGRAMS =
grubconf_SCRIPTS =
noinst_LIBRARIES =
dist_noinst_DATA =
platform_SCRIPTS =
platform_PROGRAMS =

TESTS =
EXTRA_DIST =
CLEANFILES =
BUILT_SOURCES =

# Rules for Automake input

.PRECIOUS: $(top_srcdir)/Makefile.util.am
$(top_srcdir)/Makefile.util.am: $(top_srcdir)/gentpl.py $(top_srcdir)/Makefile.util.def $(top_srcdir)/Makefile.utilgcry.def
	python $^ > $@.new || (rm -f $@.new; exit 1)
	mv $@.new $@

.PRECIOUS: $(top_srcdir)/grub-core/Makefile.core.am
$(top_srcdir)/grub-core/Makefile.core.am: $(top_srcdir)/gentpl.py $(top_srcdir)/grub-core/Makefile.core.def $(top_srcdir)/grub-core/Makefile.gcry.def
	if [ "x$$GRUB_CONTRIB" != x ]; then echo "You need to run ./autogen.sh manually." >&2; exit 1; fi
	python $^ > $@.new || (rm -f $@.new; exit 1)
	mv $@.new $@