[thirdparty/gcc.git] / libatomic / Makefile.am

##  Copyright (C) 2012-2024 Free Software Foundation, Inc.
##  Contributed by Richard Henderson <rth@redhat.com>.
##
##  This file is part of the GNU Atomic Library (libatomic).
##
##  Libatomic is free software; you can redistribute it and/or modify it
##  under the terms of the GNU General Public License as published by
##  the Free Software Foundation; either version 3 of the License, or
##  (at your option) any later version.
##
##  Libatomic is distributed in the hope that it will be useful, but WITHOUT ANY
##  WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
##  FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
##  more details.
##
##  Under Section 7 of GPL version 3, you are granted additional
##  permissions described in the GCC Runtime Library Exception, version
##  3.1, as published by the Free Software Foundation.
##
##  You should have received a copy of the GNU General Public License and
##  a copy of the GCC Runtime Library Exception along with this program;
##  see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
##  <http://www.gnu.org/licenses/>.

ACLOCAL_AMFLAGS = -I .. -I ../config
SUBDIRS = testsuite

## May be used by toolexeclibdir.
gcc_version := $(shell @get_gcc_base_ver@ $(top_srcdir)/../gcc/BASE-VER)

config_path= @config_path@
search_path = $(addprefix $(top_srcdir)/config/, $(config_path)) \
	$(top_srcdir) $(top_builddir)

vpath % $(strip $(search_path))

DEFAULT_INCLUDES = $(addprefix -I, $(search_path))
AM_CFLAGS = $(XCFLAGS)
AM_CCASFLAGS = $(XCFLAGS)
AM_LDFLAGS = $(XLDFLAGS) $(SECTION_LDFLAGS) $(OPT_LDFLAGS)

toolexeclib_LTLIBRARIES = libatomic.la
noinst_LTLIBRARIES = libatomic_convenience.la

if LIBAT_BUILD_VERSIONED_SHLIB
if LIBAT_BUILD_VERSIONED_SHLIB_GNU
libatomic_version_script = -Wl,--version-script,$(top_srcdir)/libatomic.map
libatomic_version_dep = $(top_srcdir)/libatomic.map
endif
if LIBAT_BUILD_VERSIONED_SHLIB_SUN
libatomic_version_script = -Wl,-M,libatomic.map-sun
libatomic_version_dep = libatomic.map-sun
libatomic.map-sun : $(top_srcdir)/libatomic.map \
		$(top_srcdir)/../contrib/make_sunver.pl \
		$(libatomic_la_OBJECTS) $(libatomic_la_LIBADD)
	perl $(top_srcdir)/../contrib/make_sunver.pl \
	  $(top_srcdir)/libatomic.map \
	  $(libatomic_la_OBJECTS:%.lo=.libs/%.o) \
	 `echo $(libatomic_la_LIBADD) | \
	    sed 's,\([^/ 	]*\)\.l\([ao]\),.libs/\1.\2,g'` \
	 > $@ || (rm -f $@ ; exit 1)
endif
else
libatomic_version_script =
libatomic_version_dep =
endif
libatomic_version_info = -version-info $(libtool_VERSION)
if ENABLE_DARWIN_AT_RPATH
libatomic_darwin_rpath = -Wc,-nodefaultrpaths
libatomic_darwin_rpath += -Wl,-rpath,@loader_path
endif

libatomic_la_LDFLAGS = $(libatomic_version_info) $(libatomic_version_script) \
	$(lt_host_flags) $(libatomic_darwin_rpath)
libatomic_la_SOURCES = gload.c gstore.c gcas.c gexch.c glfree.c lock.c init.c \
	fenv.c fence.c flag.c

SIZEOBJS = load store cas exch fadd fsub fand fior fxor fnand tas
SIZES = @SIZES@

EXTRA_libatomic_la_SOURCES = $(addsuffix _n.c,$(SIZEOBJS))
libatomic_la_DEPENDENCIES = $(libatomic_la_LIBADD) $(libatomic_version_dep)

## And now our custom target patterns that allow us not to have tons of
## extra source files hanging about.  Unfortunately, the complex relation
## between source and object filenames doesn't allow us to add an explicit
## dependency here.  Fortunately that doesn't matter since auto-generated
## dependencies do the job just as well:
-include $(wildcard $(DEPDIR)/*.Ppo)

## Naming pattern: base_n_i_.lo
##
##	N	size of data
##	I	IFUNC alternative, index beginning at 1.
##
## The trailing _ in the output object file name is required to differentiate
## these objects from those which should be compiled normally.  We can only
## have one stem in the implicit rule.

empty		=
space		= $(empty) $(empty)
PAT_SPLIT	= $(subst _,$(space),$(*F))
PAT_BASE	= $(word 1,$(PAT_SPLIT))
PAT_N		= $(word 2,$(PAT_SPLIT))
PAT_S		= $(word 3,$(PAT_SPLIT))
IFUNC_DEF	= -DIFUNC_ALT=$(PAT_S)
IFUNC_OPT	= $(word $(PAT_S),$(IFUNC_OPTIONS))

@AMDEP_TRUE@M_DEPS		= -MT $@ -MD -MP -MF $(DEPDIR)/$(@F).Ppo
@AMDEP_FALSE@M_DEPS		=

M_SIZE		= -DN=$(PAT_N)
M_IFUNC		= $(if $(PAT_S),$(IFUNC_DEF) $(IFUNC_OPT))
M_FILE		= $(PAT_BASE)_n.c

# The lack of explicit dependency on the source file means that VPATH cannot
# work properly.  Instead, perform this operation by hand.  First, collect a
# list of all .c files in the search path.
all_c_files	:= $(foreach dir,$(search_path),$(wildcard $(dir)/*.c))

# Then sort through them to find the one we want, and select the first.
M_SRC		= $(firstword $(filter %/$(M_FILE), $(all_c_files)))

%_.lo: Makefile
	$(LTCOMPILE) $(M_DEPS) $(M_SIZE) $(M_IFUNC) -c -o $@ $(M_SRC)

## Include all of the sizes in the "normal" set of compilation flags.
libatomic_la_LIBADD = $(foreach s,$(SIZES),$(addsuffix _$(s)_.lo,$(SIZEOBJS)))

## On a target-specific basis, include alternates to be selected by IFUNC.
if HAVE_IFUNC
if ARCH_AARCH64_LINUX
IFUNC_OPTIONS	     = -march=armv8-a+lse
libatomic_la_LIBADD += $(foreach s,$(SIZES),$(addsuffix _$(s)_1_.lo,$(SIZEOBJS)))

endif
if ARCH_ARM_LINUX
IFUNC_OPTIONS	     = -march=armv7-a+fp -DHAVE_KERNEL64
libatomic_la_LIBADD += $(foreach s,$(SIZES),$(addsuffix _$(s)_1_.lo,$(SIZEOBJS)))
libatomic_la_LIBADD += $(addsuffix _8_2_.lo,$(SIZEOBJS))
libatomic_la_LIBADD += tas_1_2_.lo
endif
if ARCH_I386
IFUNC_OPTIONS	     = -march=i586
libatomic_la_LIBADD += $(addsuffix _8_1_.lo,$(SIZEOBJS))
endif
if ARCH_X86_64
IFUNC_OPTIONS	     = -mcx16 -mcx16
libatomic_la_LIBADD += $(addsuffix _16_1_.lo,$(SIZEOBJS)) \
		       $(addsuffix _16_2_.lo,$(SIZEOBJS))
endif
endif

if ARCH_AARCH64_LINUX
libatomic_la_SOURCES += atomic_16.S
endif

libatomic_convenience_la_SOURCES = $(libatomic_la_SOURCES)
libatomic_convenience_la_LIBADD = $(libatomic_la_LIBADD)

# Amend the automake generated all-multi rule to guarantee that all-multi
# is not run in parallel with the %_.lo rules which generate $(DEPDIR)/*.Ppo
# makefile fragments to avoid broken *.Ppo getting included into the Makefile
# when it is reloaded during the build of all-multi.
all-multi: $(libatomic_la_LIBADD)

# target overrides
-include $(tmake_file)

include $(top_srcdir)/../multilib.am
Commit	Line	Data
a945c346	1	## Copyright (C) 2012-2024 Free Software Foundation, Inc.
48310492 RH	2	## Contributed by Richard Henderson <rth@redhat.com>.
	3	##
	4	## This file is part of the GNU Atomic Library (libatomic).
	5	##
	6	## Libatomic is free software; you can redistribute it and/or modify it
	7	## under the terms of the GNU General Public License as published by
	8	## the Free Software Foundation; either version 3 of the License, or
	9	## (at your option) any later version.
	10	##
	11	## Libatomic is distributed in the hope that it will be useful, but WITHOUT ANY
	12	## WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
	13	## FOR A PARTICULAR PURPOSE. See the GNU General Public License for
	14	## more details.
	15	##
	16	## Under Section 7 of GPL version 3, you are granted additional
	17	## permissions described in the GCC Runtime Library Exception, version
	18	## 3.1, as published by the Free Software Foundation.
	19	##
	20	## You should have received a copy of the GNU General Public License and
	21	## a copy of the GCC Runtime Library Exception along with this program;
	22	## see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
	23	## <http://www.gnu.org/licenses/>.
	24
	25	ACLOCAL_AMFLAGS = -I .. -I ../config
	26	SUBDIRS = testsuite
	27
	28	## May be used by toolexeclibdir.
3c36aa6b	29	gcc_version := $(shell @get_gcc_base_ver@ $(top_srcdir)/../gcc/BASE-VER)
48310492 RH	30
	31	config_path= @config_path@
	32	search_path = $(addprefix $(top_srcdir)/config/, $(config_path)) \
	33	$(top_srcdir) $(top_builddir)
	34
	35	vpath % $(strip $(search_path))
	36
	37	DEFAULT_INCLUDES = $(addprefix -I, $(search_path))
	38	AM_CFLAGS = $(XCFLAGS)
	39	AM_CCASFLAGS = $(XCFLAGS)
	40	AM_LDFLAGS = $(XLDFLAGS) $(SECTION_LDFLAGS) $(OPT_LDFLAGS)
	41
	42	toolexeclib_LTLIBRARIES = libatomic.la
36749a1f	43	noinst_LTLIBRARIES = libatomic_convenience.la
48310492 RH	44
	45	if LIBAT_BUILD_VERSIONED_SHLIB
	46	if LIBAT_BUILD_VERSIONED_SHLIB_GNU
	47	libatomic_version_script = -Wl,--version-script,$(top_srcdir)/libatomic.map
	48	libatomic_version_dep = $(top_srcdir)/libatomic.map
	49	endif
	50	if LIBAT_BUILD_VERSIONED_SHLIB_SUN
	51	libatomic_version_script = -Wl,-M,libatomic.map-sun
	52	libatomic_version_dep = libatomic.map-sun
	53	libatomic.map-sun : $(top_srcdir)/libatomic.map \
	54	$(top_srcdir)/../contrib/make_sunver.pl \
	55	$(libatomic_la_OBJECTS) $(libatomic_la_LIBADD)
	56	perl $(top_srcdir)/../contrib/make_sunver.pl \
	57	$(top_srcdir)/libatomic.map \
	58	$(libatomic_la_OBJECTS:%.lo=.libs/%.o) \
	59	`echo $(libatomic_la_LIBADD) \| \
527eeee5	60	sed 's,\([^/ ]*\)\.l\([ao]\),.libs/\1.\2,g'` \
48310492 RH	61	> $@ \|\| (rm -f $@ ; exit 1)
	62	endif
	63	else
	64	libatomic_version_script =
	65	libatomic_version_dep =
	66	endif
	67	libatomic_version_info = -version-info $(libtool_VERSION)
6a6d3817 IS	68	if ENABLE_DARWIN_AT_RPATH
	69	libatomic_darwin_rpath = -Wc,-nodefaultrpaths
	70	libatomic_darwin_rpath += -Wl,-rpath,@loader_path
	71	endif
48310492	72
6a6d3817 IS	73	libatomic_la_LDFLAGS = $(libatomic_version_info) $(libatomic_version_script) \
6a6d3817 IS	74	$(lt_host_flags) $(libatomic_darwin_rpath)
267bac10	75	libatomic_la_SOURCES = gload.c gstore.c gcas.c gexch.c glfree.c lock.c init.c \
c29c36ad	76	fenv.c fence.c flag.c
48310492 RH	77
	78	SIZEOBJS = load store cas exch fadd fsub fand fior fxor fnand tas
	79	SIZES = @SIZES@
	80
	81	EXTRA_libatomic_la_SOURCES = $(addsuffix _n.c,$(SIZEOBJS))
	82	libatomic_la_DEPENDENCIES = $(libatomic_la_LIBADD) $(libatomic_version_dep)
	83
	84	## And now our custom target patterns that allow us not to have tons of
	85	## extra source files hanging about. Unfortunately, the complex relation
	86	## between source and object filenames doesn't allow us to add an explicit
	87	## dependency here. Fortunately that doesn't matter since auto-generated
	88	## dependencies do the job just as well:
	89	-include $(wildcard $(DEPDIR)/*.Ppo)
	90
	91	## Naming pattern: base_n_i_.lo
	92	##
	93	## N size of data
	94	## I IFUNC alternative, index beginning at 1.
	95	##
	96	## The trailing _ in the output object file name is required to differentiate
	97	## these objects from those which should be compiled normally. We can only
	98	## have one stem in the implicit rule.
	99
	100	empty =
	101	space = $(empty) $(empty)
	102	PAT_SPLIT = $(subst _,$(space),$(*F))
	103	PAT_BASE = $(word 1,$(PAT_SPLIT))
	104	PAT_N = $(word 2,$(PAT_SPLIT))
	105	PAT_S = $(word 3,$(PAT_SPLIT))
	106	IFUNC_DEF = -DIFUNC_ALT=$(PAT_S)
	107	IFUNC_OPT = $(word $(PAT_S),$(IFUNC_OPTIONS))
	108
d6f420d9	109	@AMDEP_TRUE@M_DEPS = -MT $@ -MD -MP -MF $(DEPDIR)/$(@F).Ppo
128ff73d	110	@AMDEP_FALSE@M_DEPS =
d6f420d9	111
48310492 RH	112	M_SIZE = -DN=$(PAT_N)
	113	M_IFUNC = $(if $(PAT_S),$(IFUNC_DEF) $(IFUNC_OPT))
	114	M_FILE = $(PAT_BASE)_n.c
	115
	116	# The lack of explicit dependency on the source file means that VPATH cannot
	117	# work properly. Instead, perform this operation by hand. First, collect a
	118	# list of all .c files in the search path.
	119	all_c_files := $(foreach dir,$(search_path),$(wildcard $(dir)/*.c))
	120
	121	# Then sort through them to find the one we want, and select the first.
	122	M_SRC = $(firstword $(filter %/$(M_FILE), $(all_c_files)))
	123
	124	%_.lo: Makefile
	125	$(LTCOMPILE) $(M_DEPS) $(M_SIZE) $(M_IFUNC) -c -o $@ $(M_SRC)
	126
	127	## Include all of the sizes in the "normal" set of compilation flags.
	128	libatomic_la_LIBADD = $(foreach s,$(SIZES),$(addsuffix _$(s)_.lo,$(SIZEOBJS)))
	129
	130	## On a target-specific basis, include alternates to be selected by IFUNC.
	131	if HAVE_IFUNC
141abc6f	132	if ARCH_AARCH64_LINUX
9d0e85af	133	IFUNC_OPTIONS = -march=armv8-a+lse
141abc6f	134	libatomic_la_LIBADD += $(foreach s,$(SIZES),$(addsuffix _$(s)_1_.lo,$(SIZEOBJS)))
d1288d85	135
141abc6f	136	endif
48310492	137	if ARCH_ARM_LINUX
e64944ac	138	IFUNC_OPTIONS = -march=armv7-a+fp -DHAVE_KERNEL64
48310492 RH	139	libatomic_la_LIBADD += $(foreach s,$(SIZES),$(addsuffix _$(s)_1_.lo,$(SIZEOBJS)))
48310492 RH	140	libatomic_la_LIBADD += $(addsuffix _8_2_.lo,$(SIZEOBJS))
ea767576	141	libatomic_la_LIBADD += tas_1_2_.lo
48310492 RH	142	endif
	143	if ARCH_I386
	144	IFUNC_OPTIONS = -march=i586
	145	libatomic_la_LIBADD += $(addsuffix _8_1_.lo,$(SIZEOBJS))
	146	endif
	147	if ARCH_X86_64
1d47c051 JJ	148	IFUNC_OPTIONS = -mcx16 -mcx16
	149	libatomic_la_LIBADD += $(addsuffix _16_1_.lo,$(SIZEOBJS)) \
	150	$(addsuffix _16_2_.lo,$(SIZEOBJS))
48310492 RH	151	endif
48310492 RH	152	endif
36749a1f	153
27b6d081 WD	154	if ARCH_AARCH64_LINUX
	155	libatomic_la_SOURCES += atomic_16.S
	156	endif
	157
36749a1f ILT	158	libatomic_convenience_la_SOURCES = $(libatomic_la_SOURCES)
36749a1f ILT	159	libatomic_convenience_la_LIBADD = $(libatomic_la_LIBADD)
7c961392	160
00938214	161	# Amend the automake generated all-multi rule to guarantee that all-multi
7c961392 SN	162	# is not run in parallel with the %_.lo rules which generate $(DEPDIR)/*.Ppo
	163	# makefile fragments to avoid broken *.Ppo getting included into the Makefile
	164	# when it is reloaded during the build of all-multi.
	165	all-multi: $(libatomic_la_LIBADD)
22e05272	166
47ddb895	167	# target overrides
0164e598	168	-include $(tmake_file)
47ddb895	169
22e05272	170	include $(top_srcdir)/../multilib.am