-# Copyright (C) 1991, 92, 93, 94, 95, 96 Free Software Foundation, Inc.
+# Copyright (C) 1991, 92, 93, 94, 95, 96, 97 Free Software Foundation, Inc.
# This file is part of the GNU C Library.
# The GNU C Library is free software; you can redistribute it and/or
# Library General Public License for more details.
# You should have received a copy of the GNU Library General Public
-# License along with the GNU C Library; see the file COPYING.LIB. If
-# not, write to the Free Software Foundation, Inc., 675 Mass Ave,
-# Cambridge, MA 02139, USA.
+# License along with the GNU C Library; see the file COPYING.LIB. If not,
+# write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+# Boston, MA 02111-1307, USA.
#
# Makefile configuration options for the GNU C library.
# $(common-objdir) is the place to put objects and
# such that are not specific to a single subdir.
ifdef objdir
-objpfx = $(objdir)/
-common-objpfx = $(objpfx)
+objpfx := $(patsubst %//,%/,$(objdir)/$(subdir)/)
+common-objpfx = $(objdir)/
common-objdir = $(objdir)
else
objpfx :=
endif
endif
+# Root of the sysdeps tree.
+sysdep_dir := $(..)sysdeps
+export sysdep_dir := $(sysdep_dir)
# Get the values defined by options to `configure'.
include $(common-objpfx)config.make
+# Complete path to sysdep dirs.
+full-config-sysdirs := $(filter /%, $(config-sysdirs)) \
+ $(addprefix $(..), $(filter-out /%, $(config-sysdirs)))
+export full-config-sysdirs := $(full-config-sysdirs)
+
# Run config.status to update config.make and config.h. We don't show the
# dependence of config.h to Make, because it is only touched when it
# changes and so config.status would be run every time; the dependence of
# config.make should suffice to force regeneration and re-exec, and the new
# image will notice if config.h changed.
-$(common-objpfx)config.make: $(common-objpfx)config.status $(..)config.h.in
+$(common-objpfx)config.make: $(common-objpfx)config.status \
+ $(..)config.make.in $(..)config.h.in
cd $(<D); $(SHELL) $(<F)
# Find all the sysdeps configure fragments, to make sure we re-run
# configure when any of them changes.
-sysdep-configures = $(foreach dir,$(config-sysdirs),\
- $(patsubst %.in,%,\
- $(firstword $(wildcard \
- $(dir)/configure \
- $(dir)/configure.in)))
-
-# Force the user to configure before making.
-$(common-objpfx)config.status: $(..)configure $(sysdep-configures)
+$(common-objpfx)config.status: $(..)version.h $(..)configure \
+ $(foreach dir,$(full-config-sysdirs),\
+ $(wildcard \
+ $(dir)/Implies) \
+ $(patsubst %.in,%,\
+ $(firstword $(wildcard \
+ $(addprefix $(dir)/,configure configure.in)))))
@cd $(@D); if test -f $(@F); then exec $(SHELL) $(@F) --recheck; else \
echo The GNU C library has not been configured. >&2; \
echo Run \`configure\' to configure it before building. >&2; \
include $(..)configparms
endif
ifneq ($(objpfx),)
-ifneq ($(wildcard $(objpfx)configparms),)
-include $(objpfx)configparms
+ifneq ($(wildcard $(common-objpfx)configparms),)
+include $(common-objpfx)configparms
endif
endif
-
-sysdep_dir := $(..)sysdeps
-export sysdep_dir := $(sysdep_dir)
\f
####
#### These are the configuration variables. You can define values for
ifndef libdir
libdir = $(exec_prefix)/lib
endif
+inst_libdir = $(install_root)$(libdir)
# Where to install the shared library and dynamic linker.
ifndef slibdir
slibdir = $(exec_prefix)/lib
endif
+inst_slibdir = $(install_root)$(slibdir)
# Prefix to put on files installed in $(libdir). For libraries `libNAME.a',
# the prefix is spliced between `lib' and the name, so the linker switch
ifndef includedir
includedir = $(exec_prefix)/include
endif
+inst_includedir = $(install_root)$(includedir)
# Where to install machine-independent data files.
# These are the timezone database, and the locale database.
ifndef datadir
datadir = $(prefix)/share
endif
+inst_datadir = $(install_root)$(datadir)
# Where to install the timezone data files (which are machine-independent).
ifndef zonedir
zonedir = $(datadir)/zoneinfo
endif
+inst_zonedir = $(install_root)$(zonedir)
# Where to install the locale and message catalog data files (which are
# machine-independent).
ifndef localedir
localedir = $(datadir)/locale
endif
+inst_localedir = $(install_root)$(localedir)
# Where to install the locale charmap source files.
ifndef i18ndir
i18ndir = $(datadir)/i18n
endif
+inst_i18ndir = $(install_root)$(i18ndir)
# Where to install programs.
ifndef bindir
bindir = $(exec_prefix)/bin
endif
+inst_bindir = $(install_root)$(bindir)
# Where to install administrative programs.
+ifndef rootsbindir
+rootsbindir = $(exec_prefix)/sbin
+endif
+inst_rootsbindir = $(install_root)$(rootsbindir)
+
ifndef sbindir
sbindir = $(exec_prefix)/sbin
endif
+inst_sbindir = $(install_root)$(sbindir)
# Where to install the Info files.
ifndef infodir
infodir = $(prefix)/info
endif
+inst_infodir = $(install_root)$(infodir)
# Where to install default configuration files. These include the local
# timezone specification and network data base files.
ifndef sysconfdir
sysconfdir = $(prefix)/etc
endif
+inst_sysconfdir = $(install_root)$(sysconfdir)
# What timezone should be the installed default (e.g., US/Eastern).
# Run `make -C time echo-zonenames' to see a list of available zone names.
# localizing the configuration data elsewhere.
ifndef localtime-file
localtime-file = $(sysconfdir)/localtime
+inst_localtime-file = $(install_root)$(localtime-file)
+endif
+
+# What to use for leap second specifications in compiling the default
+# timezone files. Set this to `/dev/null' for no leap second handling as
+# 1003.1 requires, or to `leapseconds' for proper leap second handling.
+# Both zone flavors are always available as `posix/ZONE' and `right/ZONE'.
+# This variable determines the default: if it's `/dev/null',
+# ZONE==posix/ZONE; if it's `leapseconds', ZONE==right/ZONE.
+ifndef leapseconds
+leapseconds = /dev/null
endif
# What timezone's DST rules should be used when a POSIX-style TZ
# Default flags to pass the C compiler.
ifndef default_cflags
-default_cflags := -g
+default_cflags := -g -O
endif
# Flags to pass the C compiler when assembling preprocessed assembly code
ifndef +link
+link = $(CC) -nostdlib -nostartfiles -o $@ \
$(sysdep-LDFLAGS) $(config-LDFLAGS) $(LDFLAGS) \
- $(addprefix $(csu-objpfx),start.o $(+preinit)) \
- $(filter-out $(common-objpfx)libc%,$^) $(link-libc) \
- $(addprefix $(csu-objpfx),$(+postinit))
+ $(addprefix $(csu-objpfx),start.o) $(+preinit) $(+prector) \
+ $(filter-out $(addprefix $(csu-objpfx),start.o) $(+preinit) \
+ $(link-extra-libs) $(common-objpfx)libc% $(+postinit),$^) \
+ $(link-extra-libs) $(link-libc) $(+postctor) $(+postinit)
endif
ifndef config-LDFLAGS
ifeq (yes,$(build-shared))
# We need the versioned name of libc.so in the deps of $(others) et al
# so that the symlink to libc.so is created before anything tries to
# run the linked programs.
-link-libc = -Wl,-rpath-link=$(common-objdir) \
+link-libc = -Wl,-rpath-link=$(rpath-link) \
$(common-objpfx)libc.so$(libc.so-version) \
+ $(elfobjdir)/$(rtld-installed-name) \
$(common-objpfx)libc.a $(gnulib)
# Choose the default search path for the dynamic linker based on
# where we will install libraries.
else
default-rpath = $(libdir)
endif
+# This is how to find at build-time things that will be installed there.
+rpath-link = $(common-objdir):$(mathobjdir):$(elfobjdir):$(nssobjdir)
+mathobjdir := $(patsubst ../$(subdir),.,$(common-objpfx)math)
+elfobjdir := $(patsubst ../$(subdir),.,$(common-objpfx)elf)
+nssobjdir := $(patsubst ../$(subdir),.,$(common-objpfx)nss)
else
link-libc = $(common-objpfx)libc.a $(gnulib) $(common-objpfx)libc.a
endif
endif
-ifndef gnulib
-gnulib := -lgcc
-endif
-ifeq ($(elf),yes)
-+preinit = crti.o
-+postinit = crtn.o
+ifndef link-extra-libs
+ifeq (yes,$(build-shared))
+ifneq ($(common-objpfx),$(objpfx))
+link-extra-libs = $(foreach lib,$(LDLIBS-$(@F)),\
+ $(wildcard $(common-objpfx)$(lib).so$($(notdir $(lib)).so-version) \
+ $(objpfx)$(lib).so$($(notdir $(lib)).so-version)))
+else
+link-extra-libs = $(foreach lib,$(LDLIBS-$(@F)),$(common-objpfx)$(lib).so$($(notdir $(lib)).so-version))
endif
-ifdef objpfx
-csu-objpfx = $(objpfx)
-elf-objpfx = $(objpfx)
else
-csu-objpfx = $(..)csu/
-elf-objpfx = $(..)elf/
+link-extra-libs = $(foreach lib,$(LDLIBS-$(@F)),$(common-objpfx)$(lib).a)
endif
-
-ifeq (yes,$(build-shared))
-ifndef rtld-installed-name
-rtld-installed-name = ld.so
endif
+ifndef gnulib
+gnulib := -lgcc
+endif
+ifeq ($(elf),yes)
++preinit = $(addprefix $(csu-objpfx),crti.o)
++postinit = $(addprefix $(csu-objpfx),crtn.o)
++prector = `$(CC) --print-file-name=crtbegin.o`
++postctor = `$(CC) --print-file-name=crtend.o`
endif
+csu-objpfx = $(common-objpfx)csu/
+elf-objpfx = $(common-objpfx)elf/
+db-objpfx = $(common-objpfx)db/
# How to run a program we just linked with our library.
# The program binary is assumed to be $(word 2,$^).
built-program-cmd = $(built-program-file)
else
comma = ,
+sysdep-library-path = \
+$(subst $(empty) ,:,$(strip $(patsubst -Wl$(comma)-rpath-link=%, %,\
+ $(filter -Wl$(comma)-rpath-link=%,\
+ $(sysdep-LDFLAGS)))))
define built-program-cmd
-LD_LIBRARY_PATH=$(common-objdir)$(patsubst -Wl$(comma)-rpath-link=%,:%,\
- $(filter -Wl$(comma)-rpath-link=%,\
- $(sysdep-LDFLAGS))) \
-$(elf-objpfx)ld.so $(built-program-file)
+LD_LIBRARY_PATH=$(rpath-link)$(patsubst %,:%,$(sysdep-library-path)) \
+$(elf-objpfx)$(rtld-installed-name) $(built-program-file)
endef
endif
.NOEXPORT:
# We want to echo the commands we're running without
-# umpteem zillion filenames along with it (we use `...' instead)
+# umpteen zillion filenames along with it (we use `...' instead)
# but we don't want this echoing done when the user has said
# he doesn't want to see commands echoed by using -s.
ifneq "$(findstring s,$(MAKEFLAGS))" "" # if -s
endif # CFLAGS
endif # +cflags
-# If none of the above worked, default to "-g".
+# If none of the above worked, default to "-g -O".
ifeq "$(strip $(+cflags))" ""
+cflags := $(default_cflags)
endif # $(+cflags) == ""
# These are the variables that the implicit compilation rules use.
CPPFLAGS = $(+includes) $(defines) -include $(..)libc-symbols.h \
- $(sysdep-CPPFLAGS) $(CPPFLAGS-$(suffix $@))
+ $(sysdep-CPPFLAGS) $(CPPFLAGS-$(suffix $@)) $(CPPFLAGS-$(<F)) \
+ $(CPPFLAGS-$(@F))
override CFLAGS = $(+cflags) $(sysdep-CFLAGS) $(CFLAGS-$(suffix $@)) \
- $(CFLAGS-$(<F))
+ $(CFLAGS-$(<F)) $(CFLAGS-$(@F))
# This is the macro that the implicit linking rules use.
# to pass different flags for each flavor.
libtypes = $(foreach o,$(object-suffixes),$(libtype$o))
object-suffixes := .o
+all-object-suffixes := .o .so .po .go .bo
libtype.o := lib%.a
ifeq (yes,$(build-shared))
# Under --enable-shared, we will build a shared library of PIC objects.
# The PIC object files are named foo.so.
object-suffixes += .so
CPPFLAGS-.so = -DPIC
-CFLAGS-.so = -fPIC
+CFLAGS-.so = -fPIC -fno-common
libtype.so := lib%_pic.a
endif
ifeq (yes,$(build-profile))
object-suffixes += .go
CFLAGS-.go = -g
CFLAGS-.o = -g0 -O99 -fomit-frame-pointer
-CFLAGS-.so += $(CFLAGS.o)
+CFLAGS-.so += $(CFLAGS-.o)
libtype.go = lib%_g.a
endif
+ifeq (yes,$(build-bounded))
+# Under --enable-bounded, we build the library with `-fbounded-pointers -g'
+# to runtime bounds checking. The bounded-pointer objects are named foo.bo.
+object-suffixes += .bo
+CPPFLAGS-.bo = -DBOUNDED_POINTERS
+CFLAGS-.bo = -g -fbounded-pointers
+libtype.bo = lib%_b.a
+endif
+gnu-stabs = $(shell echo>&2 '*** BARF ON ME')
+ifndef BUILD_CC
+BUILD_CC = $(CC)
+endif
+
ifneq ($(BUILD_CC),$(CC))
cross-compiling := yes
else
< $< > $@-new
mv -f $@-new $@
+ifeq (yes, $(build-shared))
+
+# Process the shlib-versions file, which tells us what shared library
+# version numbers to use when we install shared objects on this system.
+-include $(common-objpfx)soversions.mk
+$(common-objpfx)soversions.mk: $(..)shlib-versions $(..)Makeconfig \
+ $(wildcard $(patsubst %, $(..)%/shlib-versions,\
+ $(add-ons))) \
+ $(common-objpfx)config.make
+ (file="$(wildcard $(patsubst %,$(..)%/shlib-versions,$(add-ons))) \
+ $(..)shlib-versions"; \
+ for f in $$file; do \
+ sed 's/#.*$$//' $$f | while read conf versions; do \
+ test -n "$$versions" && \
+ test `expr '$(config-machine)-$(config-vendor)-$(config-os)' \
+ : "$$conf"` != 0 || continue; \
+ for v in $$versions; do \
+ lib=`echo $$v | sed 's/=.*$$//'`; \
+ if eval "test -z \"\$$vers_lib$$lib\""; then \
+ eval vers_lib$${lib}=yes; \
+ number=`echo $$v | sed "s/^.*=//"`; \
+ case $$number in \
+ [0-9]*) echo "$$lib.so-version=.$$number"; \
+ echo "all-sonames+=$$lib.so\$$($$lib.so-version)";;\
+ *) echo "$$lib.so-version=$$number"; \
+ echo "all-sonames+=\$$($$lib.so-version)";; \
+ esac; \
+ fi; \
+ done; \
+ done; \
+ done;) > $@T; exit 0
+ mv -f $@T $@
+
+# Get $(version) defined with the release version number.
+-include $(common-objpfx)version.mk
+
+# Generate the header containing the names of all shared libraries.
+# We use a stamp file to avoid uncessary recompilations.
+before-compile += $(common-objpfx)gnu/lib-names.h
+$(common-objpfx)gnu/lib-names.h: $(common-objpfx)gnu/lib-names.stmp
+$(common-objpfx)gnu/lib-names.stmp: $(common-objpfx)soversions.mk
+ $(make-target-directory)
+ @rm -f ${@:stmp=T} $@
+ (echo '/* This file is automatically generated.';\
+ echo ' It defines macros to allow user program to find the shared';\
+ echo ' library files which come as part of GNU libc. */';\
+ echo '#ifndef __GNU_LIB_NAMES_H'; \
+ echo '#define __GNU_LIB_NAMES_H 1'; \
+ echo; \
+ (libs='$(all-sonames)';\
+ for l in $$libs; do \
+ upname=`echo $$l | sed 's/[.]so.*//' | \
+ tr 'abcdefghijklmnopqrstuvwxyz-' \
+ 'ABCDEFGHIJKLMNOPQRSTUVWXYZ_'`; \
+ echo "#define $${upname}_SO \"$$l\""; \
+ done;) | sort; \
+ echo; \
+ echo '#endif /* gnu/lib-names.h */';) > ${@:stmp=T}
+ if test -r ${@:stmp=h} && cmp -s ${@:stmp=h} ${@:stmp=T}; \
+ then rm -f ${@:stmp=T}; \
+ else mv -f ${@:stmp=T} ${@:stmp=h}; fi
+ touch $@
+
+common-generated += gnu/lib-names.h gnu/lib-names.stmp
+
+# The name under which the run-time dynamic linker is installed.
+# We are currently going for the convention that `/lib/ld.so.1'
+# names the SVR4/ELF ABI-compliant dynamic linker.
+ifndef rtld-installed-name
+ifdef ld.so-version
+rtld-installed-name = $(ld.so-version)
+else
+rtld-installed-name = ld.so.1
+endif
+endif
+
+ifndef rtld-version-installed-name
+rtld-version-installed-name = ld-$(version).so
+endif
+
+endif # build-shared
+
endif # Makeconfig not yet included
projects / thirdparty / glibc.git / blobdiff