| ## Copyright (C) 2012-2021 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) |
| |
| libatomic_la_LDFLAGS = $(libatomic_version_info) $(libatomic_version_script) $(lt_host_flags) |
| 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)) |
| endif |
| if ARCH_I386 |
| IFUNC_OPTIONS = -march=i586 |
| libatomic_la_LIBADD += $(addsuffix _8_1_.lo,$(SIZEOBJS)) |
| endif |
| if ARCH_X86_64 |
| IFUNC_OPTIONS = -mcx16 |
| libatomic_la_LIBADD += $(addsuffix _16_1_.lo,$(SIZEOBJS)) |
| endif |
| endif |
| |
| libatomic_convenience_la_SOURCES = $(libatomic_la_SOURCES) |
| libatomic_convenience_la_LIBADD = $(libatomic_la_LIBADD) |
| |
| # Override 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) |
| $(MULTIDO) $(AM_MAKEFLAGS) DO=all multi-do # $(MAKE) |
| |
| # target overrides |
| -include $(tmake_file) |
| |
| include $(top_srcdir)/../multilib.am |