glibc/Makeconfig
Ulrich Drepper cbdee2790d Update.
1997-12-03 23:50  Ulrich Drepper  <drepper@cygnus.com>

	* Makeconfig: Add shared-thread-library variable.

	* math/Makfile (CPPFLAGS): Add -D__LIBC_INTERNAL_MATH_INLINES.
	* sysdeps/i386/Makefile: Don't define ___LIBC_INTERNAL_MATH_INLINES
	here.
	* sysdeps/m68k/fpu/e_acos.c: Likewise.
	* sysdeps/m68k/fpu/e_atan2.c: Likewise.
	* sysdeps/m68k/fpu/e_fmod.c: Likewise.
	* sysdeps/m68k/fpu/e_pow.c: Likewise.
	* sysdeps/m68k/fpu/e_scalb.c: Likewise.
	* sysdeps/m68k/fpu/k_cos.c: Likewise.
	* sysdeps/m68k/fpu/k_sin.c: Likewise.
	* sysdeps/m68k/fpu/k_tan.c: Likewise.
	* sysdeps/m68k/fpu/s_atan.c: Likewise.
	* sysdeps/m68k/fpu/s_ccos.c: Likewise.
	* sysdeps/m68k/fpu/s_ccosh.c: Likewise.
	* sysdeps/m68k/fpu/s_cexp.c: Likewise.
	* sysdeps/m68k/fpu/s_csin.c: Likewise.
	* sysdeps/m68k/fpu/s_csinh.c: Likewise.
	* sysdeps/m68k/fpu/s_frexp.c: Likewise.
	* sysdeps/m68k/fpu/s_ilogb.c: Likewise.
	* sysdeps/m68k/fpu/s_isinf.c: Likewise.
	* sysdeps/m68k/fpu/s_llrint.c: Likewise.
	* sysdeps/m68k/fpu/s_llrintf.c: Likewise.
	* sysdeps/m68k/fpu/s_llrintl.c: Likewise.
	* sysdeps/m68k/fpu/s_lrint.c: Likewise.
	* sysdeps/m68k/fpu/s_modf.c: Likewise.
	* sysdeps/m68k/fpu/s_remquo.c: Likewise.
	* sysdeps/m68k/fpu/s_scalbn.c: Likewise.
	* sysdeps/m68k/fpu/s_sincos.c: Likewise.

	* libc.map: Add __libc_current_sigrtmin, __libc_current_sigrtmax,
	__libc_allocate_rtsig, sigqueue, sigtimedwait, sigwaitinfo.
	* signal/Makefile (headers): Add bits/siginfo.h.
	(routines): Add allocrtsig, sigtimedwait, sigwaitinfo, sigqueue.
	(distribute): Add testrtsig.h.
	* signal/allocrtsig.c: New file.
	* signal/signal.h: Define `union sigval'.  Include <bits/siginfo.h>.
	Declare sigwaitinfo, sigtimedwait, sigqueue, __libc_current_sigrtmin,
	__libc_current_sigrtmax.
	* sysdeps/generic/sigqueue.c: New file.
	* sysdeps/generic/sigtimedwait.c: New file.
	* sysdeps/generic/sigwaitinfo.c: New file.
	* sysdeps/generic/testrtsig.h: New file.
	* sysdeps/generic/bits/siginfo.h: New file.
	* sysdeps/unix/sysv/linux/bits/siginfo.h: New file.
	* sysdeps/unix/sysv/linux/kernel_sigaction.h: Define struct as
	old_kernel_sigaction and rename sa_handler member to k_sa_handler.
	* sysdeps/unix/sysv/linux/rt_sigaction.c: New file.
	* sysdeps/unix/sysv/linux/rt_sigprocmask.c: New file.
	* sysdeps/unix/sysv/linux/rt_sigqueueinfo.c: New file.
	* sysdeps/unix/sysv/linux/rt_sigreturn.c: New file.
	* sysdeps/unix/sysv/linux/rt_sigsuspend.c: New file.
	* sysdeps/unix/sysv/linux/rt_sigtimedwait.c: New file.
	* sysdeps/unix/sysv/linux/sigpending.c: New file.
	* sysdeps/unix/sysv/linux/sigprocmask.c: New file.
	* sysdeps/unix/sysv/linux/sigqueue.c: New file.
	* sysdeps/unix/sysv/linux/sigreturn.c: New file.
	* sysdeps/unix/sysv/linux/sigtimedwait.c: New file.
	* sysdeps/unix/sysv/linux/sigwaitinfo.c: New file.
	* sysdeps/unix/sysv/linux/testrtsig.h: New file.
	* sysdeps/unix/sysv/linux/sigsuspend.c: Update for AIO.
	* sysdeps/unix/sysv/linux/syscalls.list: Update for AIO.
	* sysdeps/unix/sysv/linux/sigaction.c: Update for AIO.
	* sysdeps/unix/sysv/linux/bits/local_lim.h: Define AIO_PRIO_DELTA_MAX.
	* sysdeps/unix/sysv/linux/bits/posix_opt.h: Define _XOPEN_REALTIME
	and _POSIX_REALTIME_SIGNALS.
	* sysdeps/unix/sysv/linux/bits/sigaction.h: Update for AIO.
	* sysdeps/unix/sysv/linux/bits/signum.h: Define SIGRTMIN/MAX and
	update _NSIG.
	* sysdeps/unix/sysv/linux/i386/sigaction.c: Update for AIO.
	* sysdeps/unix/sysv/linux/i386/sys/ucontext.h: Linux/i386 specific
	definitions.

	* Makefile (subdirs): Add rt.
	* shlib-versions: Add entry for librt.
	* rt/Makefile: New file.
	* rt/aio.h: New file.
	* rt/aio_cancel.c: New file.
	* rt/aio_error.c: New file.
	* rt/aio_fsync.c: New file.
	* rt/aio_misc.c: New file.
	* rt/aio_misc.h: New file.
	* rt/aio_read.c: New file.
	* rt/aio_read64.c: New file.
	* rt/aio_return.c: New file.
	* rt/aio_suspend.c: New file.
	* rt/aio_write.c: New file.
	* rt/aio_write64.c: New file.
	* rt/lio_listio.c: New file.
	* rt/lio_listio64.c: New file.
	* sysdeps/generic/aio_sigqueue.c: New file.
	* sysdeps/unix/sysv/linux/aio_sigqueue.c: New file.
	* sysdeps/unix/sysv/linux/Dist: Add new files
	* sysdeps/unix/sysv/linux/Makefile [$(subdir)=signal]
	(sysdep_routines): Add rt_sigsuspend, rt_sigprocmask, rt_sigtimedwait,
	rt_sigqueueinfo, rt_sigaction.

	* posix/Makefile (headers): Add bits/environments.h.
	* posix/confstr.c: Correctly handle _CS_XBS5_ILP32_OFFBIG_CFLAGS
	and _CS_LFS_CFLAGS on 64bit platforms.
	* posix/unistd.h: Define _XOPEN_LEGACY.  Explain _XOPEN_REALTIME
	and _XOPEN_REALTIME_THREADS.  Include bits/environments.h.
	* sysdeps/generic/bits/confname.h: Define _SC_* constants for
	compilation modules.
	* sysdeps/wordsize-32/bits/environments.h: New file.
	* sysdeps/wordsize-64/bits/environments.h: New file.

	* posix/getopt.c: Remove declaration of getpid and __libc_pid.
	* posix/getopt_init.c: Test for value 0xf00baa of uninitialized
	__libc_pid.
	* sysdeps/unix/sysv/linux/init-first.c: Initialize __libc_pid to
	0xf00baa.

	* string/string.h: Add declaration of __strverscmp.
	* string/strverscmp.c: Rename function ot __strverscmp and make old
	name weak alias.

	* sysdeps/generic/dl-sysdep.c: Declare and define __libc_uid.
	* sysdeps/generic/enbl-secure.c: Likewise.
	* sysdeps/mach/hurd/dl-sysdep.c: Likewise.

	* sysdeps/unix/sysv/linux/bits/sigset.h: Pretty print.

	* sysdeps/unix/sysv/linux/sys/pci.h: New file.

1997-12-03  Ulrich Drepper  <drepper@cygnus.com>

	* posix/sys/wait.h: Use __transparent_union__ instead of
	transparent_union.  Reported by Roland McGrath.

1997-12-03  Andreas Jaeger  <aj@arthur.rhein-neckar.de>

	* resolv/inet_neta.c (inet_neta): Change type of first parameter
	to u_int32_t.  Suggested by John Lavagnino <John_Lavagnino@Brown.edu>
	[PR libc/366].

	* resolv/inet_addr.c (inet_addr): Change return type to u_int32_t.

	* inet/arpa/inet.h: Change types of inet_neta and inet_addr.

1997-12-03 20:40  Thorsten Kukuk  <kukuk@vt.uni-paderborn.de>

	* grp/initgroups.c: Increase buffer if it is too small.

1997-12-03  Ulrich Drepper  <drepper@cygnus.com>

	* sysdeps/unix/sysv/linux/netinet/ip.h: Don't use u_int8_t for bit
	fields, this is no ISO C.  Reported by Andreas Jaeger.

1997-12-03  Andreas Jaeger  <aj@arthur.rhein-neckar.de>

	* sysdeps/i386/sys/ucontext.h (enum): Add missing commata.

1997-12-03 08:58  Philip Blundell  <pb@nexus.co.uk>

	* sysdeps/generic/bits/utsname.h: <sys/utsname.h> defines
	_SYS_UTSNAME_H not _UTSNAME_H.

1997-11-28  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* elf/dl-profile.c (_dl_start_profile): Avoid overflow when
	computing s_scale.

1997-11-29  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* sysdeps/libm-ieee754/s_csqrt.c: Use different formula for now.
	* sysdeps/libm-ieee754/s_csqrtf.c: Likewise.
	* sysdeps/libm-ieee754/s_csqrtl.c: Likewise.

	* math/libm-test.c (csqrt_test): Add testcase.

1997-12-03 15:44  Ulrich Drepper  <drepper@cygnus.com>

	* sysdeps/unix/sysv/linux/sys/ultrasound.h: New file.
	* sysdeps/unix/sysv/linux/sys/Dist: Add it.
	* sysdeps/unix/sysv/linux/sys/Makefile [$(subdir)=misc]: Likewise.

1997-11-30  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* sysdeps/unix/sysv/linux/sys/timex.h: Fix declaration.

1997-12-01  Andreas Jaeger  <aj@arthur.rhein-neckar.de>

	* math/libm-test.c (acos_test): Add more tests.
	(asin_test): Likewise.
	(atan_test): Likewise.
	(exp_test): Likewise.
	(sin_test): Likewise.
	(sqrt_test): Likewise.
	(cpow_test): Likewise.
	(csqrt_test): Likewise.
	(cexp_test): Correct typo in gcc version test.

1997-12-02 17:14  Philip Blundell  <pb@nexus.co.uk>

	* sysdeps/arm/__longjmp.S: Define _SETJMP_H before including
	<bits/setjmp.h>.
	* sysdeps/arm/setjmp.S: Likewise.

	* sysdeps/unix/sysv/linux/arm/bits/mman.h: New file.

1997-12-02 18:07  Philip Blundell  <pb@nexus.co.uk>

	* stdio/stdio.h: Add prototype for tmpfile64().

1997-12-02 17:47  Philip Blundell  <pb@nexus.co.uk>

	* stdio/stdio.h (__stdio_gen_tempname): Add extra argument to
	prototype to keep in step with libio version.

	* stdio-common/tmpfile64.c: Include <errno.h> for ENOSYS.

1997-12-02 17:41  Philip Blundell  <pb@nexus.co.uk>

	* sysdeps/generic/Makefile: Don't try to use make_siglist if
	cross-compiling.

1997-12-02 01:18  Ulrich Drepper  <drepper@cygnus.com>

	* sysdeps/unix/sysv/linux/i386/clone.S: When cloned process returns
	load GOT ptr before jumping to _exit.
	Reported by Xavier Leroy.
1997-12-04 00:12:34 +00:00

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# 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
# modify it under the terms of the GNU Library General Public License as
# published by the Free Software Foundation; either version 2 of the
# License, or (at your option) any later version.
# The GNU C Library 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
# 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., 59 Temple Place - Suite 330,
# Boston, MA 02111-1307, USA.
#
# Makefile configuration options for the GNU C library.
#
ifneq (,)
This makefile requires GNU Make.
endif
all: # Make this the default goal
ifneq "$(origin +included-Makeconfig)" "file"
+included-Makeconfig := yes
ifdef subdir
.. := ../
endif
# If config.make exists, the source directory was configured,
# so don't try to be clever and find another directory to build in.
ifneq (,$(wildcard $(..)config.make))
ARCH =
machine =
else # Not configured.
ifndef ARCH
ifdef machine
ARCH = $(machine)
endif # machine
endif # ARCH
endif # config.make
# Directory for object files and libc.a. If this is not defined, the
# object files live in the subdirectories where their sources live, and
# libc.a lives in the parent directory (this probably doesn't work any
# more).
ifdef ARCH
ifeq ($(filter /%,$(ARCH)),)
objdir := $(..)$(ARCH)
else
objdir = $(ARCH)
endif
endif
# $(common-objdir) is the place to put objects and
# such that are not specific to a single subdir.
ifdef objdir
objpfx := $(patsubst %//,%/,$(objdir)/$(subdir)/)
common-objpfx = $(objdir)/
common-objdir = $(objdir)
else
objpfx :=
ifdef ..
common-objpfx = $(..)
common-objdir = ..
else
# This is a kludge. make wizards might grok.
common-objpfx = sysdeps/../
common-objdir = .
endif
endif
# Root of the sysdeps tree.
sysdep_dir := $(..)sysdeps
export sysdep_dir := $(sysdep_dir)
# Get the values defined by options to `configure'.
include $(common-objpfx)config.make
# We have a special subdir for each binary format.
# For now, only ELF is fully supported.
ifeq ($(elf),yes)
binfmt-subdir = elf
else
# This is probably better than nothing.
binfmt-subdir = aout
endif
# 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.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.
$(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) $(@F) --recheck; else \
echo The GNU C library has not been configured. >&2; \
echo Run \`configure\' to configure it before building. >&2; \
echo Try \`configure --help\' for more details. >&2; \
exit 1; fi
# Get the user's configuration parameters.
ifneq ($(wildcard $(..)configparms),)
include $(..)configparms
endif
ifneq ($(objpfx),)
ifneq ($(wildcard $(common-objpfx)configparms),)
include $(common-objpfx)configparms
endif
endif
####
#### These are the configuration variables. You can define values for
#### the variables below in the file `configparms'.
#### Do NOT edit this file.
####
# Set this to either `stdio' or `libio', to compile in either GNU stdio
# or GNU libio.
ifndef stdio
stdio = stdio
endif
# Common prefix for machine-independent installation directories.
ifeq ($(origin prefix),undefined) # ifndef would override explicit empty value.
prefix = /usr/local
endif
# Decide whether we shall build the programs or not. We always do this
# unless the user tells us (in configparms) or we are building for a
# standalone target.
ifndef build-programs
ifneq ($(config-os),none)
build-programs=yes
else
build-programs=no
endif
endif
# Common prefix for machine-dependent installation directories.
ifeq ($(origin exec_prefix),undefined)
exec_prefix = $(prefix)
endif
# Where to install the library and object files.
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 $(libdir). For libraries `libNAME.a',
# the prefix is spliced between `lib' and the name, so the linker switch
# `-l$(libprefix)NAME' finds the library; for other files the prefix is
# just prepended to the whole file name.
ifeq ($(origin libprefix),undefined)
libprefix =
endif
# Where to install the header files.
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 the shared object for charset transformation.
ifndef gconvdir
gconvdir = $(libdir)/gconv
endif
inst_gconvdir = $(install_root)$(gconvdir)
# 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.
# The local timezone can be changed with `zic -l TIMEZONE' at any time.
ifndef localtime
localtime = Factory
endif
# Where to install the "localtime" timezone file; this is the file whose
# contents $(localtime) specifies. If this is a relative pathname, it is
# relative to $(zonedir). It is a good idea to put this somewhere
# other than there, so the zoneinfo directory contains only universal data,
# 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
# environment variable doesn't specify any rules. For 1003.1 compliance
# this timezone must use rules that are as U.S. federal law defines DST.
# Run `make -C time echo-zonenames' to see a list of available zone names.
# This setting can be changed with `zic -p TIMEZONE' at any time.
# If you want POSIX.1 compatibility, use `America/New_York'.
ifndef posixrules
posixrules = America/New_York
endif
# Where to install the "posixrules" timezone file; this is file
# whose contents $(posixrules) specifies. If this is a relative
# pathname, it is relative to $(zonedir).
ifndef posixrules-file
posixrules-file = posixrules
endif
# Directory where your system's native header files live.
# This is used on Unix systems to generate some GNU libc header files.
ifndef sysincludedir
sysincludedir = /usr/include
endif
# Commands to install files.
ifndef INSTALL_DATA
INSTALL_DATA = $(INSTALL) -m 644
endif
ifndef INSTALL_PROGRAM
INSTALL_PROGRAM = $(INSTALL)
endif
ifndef INSTALL
INSTALL = install
endif
# The name of the C compiler.
# If you've got GCC, and it works, use it.
ifeq ($(origin CC),default)
CC := gcc
endif
# The name of the C compiler to use for compilations of programs to run on
# the host that is building the library. If you set CC to a
# cross-compiler, you must set this to the normal compiler.
ifndef BUILD_CC
BUILD_CC = $(CC)
endif
# Default flags to pass the C compiler.
ifndef default_cflags
default_cflags := -g -O
endif
# Flags to pass the C compiler when assembling preprocessed assembly code
# (`.S' files). On some systems the assembler doesn't understand the `#' line
# directives the preprocessor produces. If you have troubling compiling
# assembly code, try using -P here to suppress these directives.
ifndef asm-CPPFLAGS
asm-CPPFLAGS =
endif
# ELF always supports init/fini sections
ifeq ($(elf),yes)
have-initfini = yes
endif
# Installed name of the startup code.
ifneq ($(have-initfini),yes)
# When not having init/fini, there is just one startfile, called crt0.o.
start-installed-name = crt0.o
else
# On systems having init/fini, crt0.o is called crt1.o, and there are
# some additional bizarre files.
start-installed-name = crt1.o
endif
# Command for linking programs with the C library.
ifndef +link
+link = $(CC) -nostdlib -nostartfiles -o $@ \
$(sysdep-LDFLAGS) $(config-LDFLAGS) $(LDFLAGS) \
$(addprefix $(csu-objpfx),$(start-installed-name)) \
$(+preinit) $(+prector) \
$(filter-out $(addprefix $(csu-objpfx),start.o \
$(start-installed-name))\
$(+preinit) $(link-extra-libs) \
$(common-objpfx)libc% $(+postinit),$^) \
$(link-extra-libs) $(link-libc) $(+postctor) $(+postinit)
endif
ifndef config-LDFLAGS
ifeq (yes,$(build-shared))
config-LDFLAGS = -Wl,-dynamic-linker=$(slibdir)/$(rtld-installed-name)
endif
endif
ifndef link-libc
ifeq (yes,$(build-shared))
# We need the versioned name of libc.so in the deps of $(others) et al
# so that the symlink to libc.so is created before anything tries to
# run the linked programs.
link-libc = -Wl,-rpath-link=$(rpath-link) \
$(common-objpfx)libc.so$(libc.so-version) \
$(elfobjdir)/$(rtld-installed-name) \
$(common-objpfx)libc.a $(gnulib)
# Choose the default search path for the dynamic linker based on
# where we will install libraries.
ifneq ($(libdir),$(slibdir))
default-rpath = $(slibdir):$(libdir)
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):$(dbobjdir)
mathobjdir := $(patsubst ../$(subdir),.,$(common-objpfx)math)
elfobjdir := $(patsubst ../$(subdir),.,$(common-objpfx)elf)
nssobjdir := $(patsubst ../$(subdir),.,$(common-objpfx)nss)
dbobjdir := $(patsubst ../$(subdir),.,$(common-objpfx)db2)
else
link-libc = $(common-objpfx)libc.a $(gnulib) $(common-objpfx)libc.a
endif
endif
ifndef link-extra-libs
ifeq (yes,$(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
else
link-extra-libs = $(foreach lib,$(LDLIBS-$(@F)),$(common-objpfx)$(lib).a)
endif
endif
ifndef gnulib
gnulib := -lgcc
endif
ifeq ($(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-file = $(dir $(word 2,$^))$(notdir $(word 2,$^))
ifneq (yes,$(build-shared))
built-program-cmd = $(built-program-file)
else
comma = ,
sysdep-library-path = \
$(subst $(empty) ,:,$(strip $(patsubst -Wl$(comma)-rpath-link=%, %,\
$(filter -Wl$(comma)-rpath-link=%,\
$(sysdep-LDFLAGS)))))
define built-program-cmd
LD_LIBRARY_PATH=$(rpath-link)$(patsubst %,:%,$(sysdep-library-path)) \
$(elf-objpfx)$(rtld-installed-name) $(built-program-file)
endef
endif
ifndef LD
LD := ld -X
endif
ifndef RANLIB
RANLIB = ranlib
endif
# Extra flags to pass to GCC.
+gccwarn := -Wall -Wwrite-strings -Wno-parentheses -Winline -Wstrict-prototypes
# This is the program that generates makefile
# dependencies from C source files.
ifndef +mkdep
+mkdep = $(CC) -M
endif
# The program that makes Emacs-style TAGS files.
ETAGS := etags -T
# The `m4' macro processor; this is used by sysdeps/sparc/Makefile (and
# perhaps others) to preprocess assembly code in some cases.
M4 = m4
####
#### End of configuration variables.
####
# This tells some versions of GNU make before 3.63 not to export all variables.
.NOEXPORT:
# We want to echo the commands we're running without
# umpteen zillion filenames along with it (we use `...' instead)
# but we don't want this echoing done when the user has said
# he doesn't want to see commands echoed by using -s.
ifneq "$(findstring s,$(MAKEFLAGS))" "" # if -s
+cmdecho := echo >/dev/null
else # not -s
+cmdecho := echo
endif # -s
# These are the flags given to the compiler to tell
# it what sort of optimization and/or debugging output to do.
ifndef +cflags
# If `CFLAGS' was defined, use that.
ifdef CFLAGS
+cflags := $(filter-out -I%,$(CFLAGS))
endif # CFLAGS
endif # +cflags
# If none of the above worked, default to "-g -O".
ifeq "$(strip $(+cflags))" ""
+cflags := $(default_cflags)
endif # $(+cflags) == ""
+cflags := $(+cflags) $(+gccwarn)
+gcc-nowarn := -w
# Don't duplicate options if we inherited variables from the parent.
+cflags := $(sort $(+cflags))
# These are flags given to the C compiler to tell it to look for include
# files (including ones given in angle brackets) in the current directory,
# in the parent library source directory and in the include directory.
# `+sysdep-includes' will be defined by Makerules.
+includes = -I. $(patsubst %/,-I%,$(objpfx)) $(patsubst %/,-I%,$(..)) \
-I$(..)include $($(stdio)-include) $(includes) \
$(+sysdep-includes) $(last-includes)
# Since libio has several internal header files, we use a -I instead
# of many little headers in the include directory.
libio-include = -I$(..)libio
# These are the variables that the implicit compilation rules use.
CPPFLAGS = $(+includes) $(defines) -include $(..)include/libc-symbols.h \
$(sysdep-CPPFLAGS) $(CPPFLAGS-$(suffix $@)) $(CPPFLAGS-$(<F)) \
$(CPPFLAGS-$(@F))
override CFLAGS = $(+cflags) $(sysdep-CFLAGS) $(CFLAGS-$(suffix $@)) \
$(CFLAGS-$(<F)) $(CFLAGS-$(@F))
# This is the macro that the implicit linking rules use.
ifneq "$(filter -g,$(+cflags))" "" # -g is in $(+cflags)
LDFLAGS := -g
endif
# If everything is compiled with -fPIC (implicitly) we must tell this by
# defining the PIC symbol.
ifeq (yes,$(build-pic-default))
pic-default = -DPIC
endif
# Enable object files for different versions of the library.
# Various things use $(object-suffixes) to know what all to make.
# The compilation rules use $(CPPFLAGS-${SUFFIX}) and $(CFLAGS-${SUFFIX})
# to pass different flags for each flavor.
libtypes = $(foreach o,$(object-suffixes),$(libtype$o))
all-object-suffixes := .o .os .op .og .ob
object-suffixes :=
ifeq (yes,$(build-static))
CPPFLAGS-.o = $(pic-default)
libtype.o := lib%.a
object-suffixes += .o
endif
ifeq (yes,$(build-shared))
# Under --enable-shared, we will build a shared library of PIC objects.
# The PIC object files are named foo.os.
object-suffixes += .os
CPPFLAGS-.os = -DPIC
CFLAGS-.os = $(pic-ccflag) -fno-common
libtype.os := lib%_pic.a
# This can be changed by a sysdep makefile
pic-ccflag = -fPIC
endif
ifeq (yes,$(build-profile))
# Under --enable-profile, we will build a static library of profiled objects.
# The profiled object files are named foo.op.
object-suffixes += .op
CPPFLAGS-.op = -DPROF $(pic-default)
CFLAGS-.op = -pg
libtype.op = lib%_p.a
endif
ifeq (yes,$(build-omitfp))
# Under --enable-omitfp, we build an the library optimized without
# debugging information using -fomit-frame-pointer, and build an extra
# library with debugging information. The debuggable objects are named foo.og.
object-suffixes += .og
CPPFLAGS-.og = $(pic-default)
CFLAGS-.og = -g
CFLAGS-.o = -g0 -O99 -fomit-frame-pointer -D__USE_STRING_INLINES
CFLAGS-.os += $(CFLAGS-.o)
libtype.og = lib%_g.a
endif
ifeq (yes,$(build-bounded))
# Under --enable-bounded, we build the library with `-fbounded-pointers -g'
# to runtime bounds checking. The bounded-pointer objects are named foo.ob.
object-suffixes += .ob
CPPFLAGS-.ob = -DBOUNDED_POINTERS $(pic-default)
CFLAGS-.ob = -g -fbounded-pointers
libtype.ob = lib%_b.a
endif
+gnu-stabs = $(shell echo>&2 '*** BARF ON ME')
ifndef BUILD_CC
BUILD_CC = $(CC)
endif
# Figure out the version numbers from version.h.
$(common-objpfx)version.mk: $(..)version.h $(..)Makeconfig
sed -n -e 's/^.*RELEASE.*"\([^"]*\)".*$$/release=\1/p' \
-e 's/^.*VERSION.*"\([^"]*\)".*$$/version=\1/p' \
< $< > $@-new
mv -f $@-new $@
common-generated += version.mk
ifeq (yes, $(build-shared))
# Process the shlib-versions file, which tells us what shared library
# version numbers to use when we install shared objects on this system.
-include $(common-objpfx)soversions.mk
$(common-objpfx)soversions.mk: $(..)shlib-versions $(..)Makeconfig \
$(wildcard $(patsubst %, $(..)%/shlib-versions,\
$(add-ons))) \
$(common-objpfx)config.make
(file="$(wildcard $(patsubst %,$(..)%/shlib-versions,$(add-ons))) \
$(..)shlib-versions"; \
for f in $$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
# The librt must contain be linked with the thread library. It least
# for now.
ifneq (,$(findstring linuxthreads,$(add-ons)))
shared-thread-library = $(common-objpfx)linuxthreads/libpthread.so
endif
endif # build-shared
endif # Makeconfig not yet included