glibc/Makeconfig

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1995-02-18 01:27:10 +00:00
# Copyright (C) 1991, 1992, 1993, 1994, 1995 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., 675 Mass Ave,
# Cambridge, MA 02139, USA.
#
# Makefile configuration options for the GNU C library.
#
ifneq (,)
This makefile requires GNU Make.
endif
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 = $(objdir)/
common-objpfx = $(objpfx)
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
# Get the values defined by options to `configure'.
include $(common-objpfx)config.make
# Force the user to configure before making.
$(common-objpfx)config.make:
@echo The GNU C library has not been configured. >&2
@echo Run \`configure\' to configure it before building. >&2
@exit 1
# Get the user's configuration parameters.
ifneq ($(wildcard $(..)configparms),)
include $(..)configparms
endif
ifneq ($(objpfx),)
ifneq ($(wildcard $(objpfx)configparms),)
include $(objpfx)configparms
endif
endif
sysdep_dir := $(..)sysdeps
export sysdep_dir := $(sysdep_dir)
####
#### These are the configuration variables. You can define values for
#### the variables below in the file `configparms'.
#### Do NOT edit this file.
####
# Common prefix for machine-independent installation directories.
ifndef prefix
prefix = /usr/local
endif
# Common prefix for machine-dependent installation directories.
ifndef exec_prefix
exec_prefix = $(prefix)
endif
# Where to install the library and object files.
ifndef libdir
libdir = $(exec_prefix)/lib
endif
# 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.
ifndef libprefix
libprefix =
endif
# Where to install the header files.
ifndef includedir
includedir = $(exec_prefix)/include
endif
# Where to install machine-independent data files.
# These are the timezone database, and eventually the locale database.
ifndef datadir
datadir = $(prefix)/share
endif
# Where to install the timezone data files (which are machine-independent).
ifndef zonedir
zonedir = $(datadir)/zoneinfo
endif
# Where to install programs.
ifndef bindir
bindir = $(exec_prefix)/bin
endif
# Where to install administrative programs.
ifndef sbindir
sbindir = $(exec_prefix)/sbin
endif
# Where to install the Info files.
ifndef infodir
infodir = $(prefix)/info
endif
# Where to install default configuration files. These include the local
# timezone specification and network data base files.
ifndef sysconfdir
sysconfdir = $(prefix)/etc
endif
# 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
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
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
# Command for linking programs with the C library.
ifndef +link
+link = $(CC) -nostdlib $(LDFLAGS) -o $@ \
$(addprefix $(csu-objpfx),start.o $(+preinit)) \
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$(^:lib=$(common-objpfx)libc.a) $(gnulib) $(common-objpfx)libc.a \
$(addprefix $(csu-objpfx),$(+postinit))
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endif
ifndef gnulib
gnulib := -lgcc
endif
ifeq ($(elf),yes)
+preinit = crti.o
+postinit = crtn.o
endif
ifdef objpfx
csu-objpfx = $(objpfx)
else
csu-objpfx = $(..)csu
endif
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ifndef LD
LD := ld -X
endif
ifndef RANLIB
RANLIB = ranlib
endif
# Extra flags to pass to GCC.
+gccwarn := -Wall -Wwrite-strings -Wno-parentheses
# This is the program that generates makefile
# dependencies from C source files.
ifndef +mkdep
+mkdep = $(CC) -M
endif
# The program that makes Emacs-style TAGS files.
ETAGS := etags -T
# The `m4' macro processor; this is used by sysdeps/sparc/Makefile (and
# perhaps others) to preprocess assembly code in some cases.
M4 = m4
####
#### End of configuration variables.
####
# This tells some versions of GNU make before 3.63 not to export all variables.
.NOEXPORT:
# We want to echo the commands we're running without
# umpteem zillion filenames along with it (we use `...' instead)
# but we don't want this echoing done when the user has said
# he doesn't want to see commands echoed by using -s.
ifneq "$(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".
ifeq "$(strip $(+cflags))" ""
+cflags := $(default_cflags)
endif # $(+cflags) == ""
# If using gcc, add flags that only it will grok.
ifneq "$(findstring gcc,$(CC))" ""
+cflags := $(+cflags) $(+gccwarn)
+gcc-nowarn := -w
else
+gcc-nowarn :=
endif # gcc
# 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
# and in the parent library source directory.
# `+sysdep-includes' will be defined by Makerules.
+includes = -I. $(filter-out -I,-I$(patsubst %/,%,$(..))) \
$(includes) $(+sysdep-includes) $(last-includes)
# These are the variables that the implicit compilation rules use.
CPPFLAGS = $(+includes) $(defines) -include $(..)libc-symbols.h \
Thu Mar 16 00:04:41 1995 Roland McGrath <roland@churchy.gnu.ai.mit.edu> * locale/C-ctype.c: New correct data generated by drepper. * Rules: Don't use $(libc.a). Parsing of grouped numbers contributed by Ulrich Drepper. * stdlib/strtol.c (__strtol_internal): Renamed from strtol. Take new flag arg; if nonzero, parse locale-dependent thousands grouping and interpret only the prefix that is correctly grouped. (strtol): Define this to call _strtol_internal with zero for the flag. Use a weak symbol for the definition. * stdlib/strtod.c (strtod, __strtod_internal): Likewise. Check for the exponent of the number overflowing the float format. * stdlib/stdlib.h (__strtof, __strtold): Declarations removed. (__strto{f,d,ld,l,ul,q,uq}_internal): Declare these functions. [__OPTIMIZE__]: Define inline functions calling those. * stdlib/grouping.h: New file, written by drepper. * stdlib/Makefile (distribute): Add grouping.h. * stdio/vfscanf.c: Grok %' modifier to numeric conversions. Call __strtoX_internal with the grouping flag set iff the modifier is present. Wed Mar 15 00:40:54 1995 Roland McGrath <roland@churchy.gnu.ai.mit.edu> * sysdeps/generic/memchr.c: Fix typos: limit.h -> limits.h. * mach/Machrules: Produce static deps for all object flavors. [interface-library]: Remove all these variables and rules. ($(interface-library)-routines): Define this variable. (extra-libs): Append $(interface-library) to this. * mach/Makefile (interface-library): Omit .a suffix. * hurd/Makefile: Likewise. Tue Mar 14 23:40:31 1995 Roland McGrath <roland@churchy.gnu.ai.mit.edu> * stdio/internals.c (flushbuf): If !FLUSH_ONLY, don't skip out early if no new data in buffer after priming. * Makerules (object-suffixes, libtypes): Move all these variables to Makeconfig. * Makeconfig (object-suffixes, libtypes): Moved here from Makerules. * Makerules (build-extra-lib): New canned sequence. * sysdeps/mach/hurd/euidaccess.c: Include fcntl.h. Declare ERR; fix uses of FILE and PORT. Remove bogus weak alias for `access'. * sysdeps/mach/hurd/dirfd.c: Include hurd/fd.h and errno.h. Add missing semicolon. * sysdeps/mach/hurd/opendir.c: Include hurd/fd.h. Use a `struct hurd_fd *' temp var, since DIRP->__fd is a `void *'. * sysdeps/mach/hurd/readdir.c: Include hurd/fd.h. * stdlib/wcstombs.c: #if 0 out code for non-ASCII chars until the locale data format is implemented. * sysdeps/mach/hurd/i386/trampoline.c (_hurd_setup_sighandler): Pass &__sigreturn on the stack to the trampoline code, so it is not position-dependent. * stdio/printf_fp.c (NDEBUG): Define this to disable assert. Don't include <stdarg.h>. (__printf_fp): Last arg ARGS is now `const void **const'; dereference ARGS[0] instead of using va_arg. * locale/setlocale.c: In LC_ALL case, initialize CATEGORY before loop to install data. * locale/loadlocale.c (_nl_category_num_items): Use _NL_ITEM_INDEX to extract number from item code. (_nl_load_locale): Close the descriptor when finished. * malloc/realloc.c (_realloc_internal): Call _malloc_internal in place of malloc. * time/tzfile.c (__tzfile_default): Initialize RULE_STDOFF to zero.
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$(sysdep-CPPFLAGS) $(CFLAGS-$(suffix $@))
override CFLAGS = $(+cflags) $(sysdep-CFLAGS) $(CPPFLAGS-$(suffix $@))
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# This is the macro that the implicit linking rules use.
ifneq "$(filter -g,$(+cflags))" "" # -g is in $(+cflags)
LDFLAGS := -g
endif
Thu Mar 16 00:04:41 1995 Roland McGrath <roland@churchy.gnu.ai.mit.edu> * locale/C-ctype.c: New correct data generated by drepper. * Rules: Don't use $(libc.a). Parsing of grouped numbers contributed by Ulrich Drepper. * stdlib/strtol.c (__strtol_internal): Renamed from strtol. Take new flag arg; if nonzero, parse locale-dependent thousands grouping and interpret only the prefix that is correctly grouped. (strtol): Define this to call _strtol_internal with zero for the flag. Use a weak symbol for the definition. * stdlib/strtod.c (strtod, __strtod_internal): Likewise. Check for the exponent of the number overflowing the float format. * stdlib/stdlib.h (__strtof, __strtold): Declarations removed. (__strto{f,d,ld,l,ul,q,uq}_internal): Declare these functions. [__OPTIMIZE__]: Define inline functions calling those. * stdlib/grouping.h: New file, written by drepper. * stdlib/Makefile (distribute): Add grouping.h. * stdio/vfscanf.c: Grok %' modifier to numeric conversions. Call __strtoX_internal with the grouping flag set iff the modifier is present. Wed Mar 15 00:40:54 1995 Roland McGrath <roland@churchy.gnu.ai.mit.edu> * sysdeps/generic/memchr.c: Fix typos: limit.h -> limits.h. * mach/Machrules: Produce static deps for all object flavors. [interface-library]: Remove all these variables and rules. ($(interface-library)-routines): Define this variable. (extra-libs): Append $(interface-library) to this. * mach/Makefile (interface-library): Omit .a suffix. * hurd/Makefile: Likewise. Tue Mar 14 23:40:31 1995 Roland McGrath <roland@churchy.gnu.ai.mit.edu> * stdio/internals.c (flushbuf): If !FLUSH_ONLY, don't skip out early if no new data in buffer after priming. * Makerules (object-suffixes, libtypes): Move all these variables to Makeconfig. * Makeconfig (object-suffixes, libtypes): Moved here from Makerules. * Makerules (build-extra-lib): New canned sequence. * sysdeps/mach/hurd/euidaccess.c: Include fcntl.h. Declare ERR; fix uses of FILE and PORT. Remove bogus weak alias for `access'. * sysdeps/mach/hurd/dirfd.c: Include hurd/fd.h and errno.h. Add missing semicolon. * sysdeps/mach/hurd/opendir.c: Include hurd/fd.h. Use a `struct hurd_fd *' temp var, since DIRP->__fd is a `void *'. * sysdeps/mach/hurd/readdir.c: Include hurd/fd.h. * stdlib/wcstombs.c: #if 0 out code for non-ASCII chars until the locale data format is implemented. * sysdeps/mach/hurd/i386/trampoline.c (_hurd_setup_sighandler): Pass &__sigreturn on the stack to the trampoline code, so it is not position-dependent. * stdio/printf_fp.c (NDEBUG): Define this to disable assert. Don't include <stdarg.h>. (__printf_fp): Last arg ARGS is now `const void **const'; dereference ARGS[0] instead of using va_arg. * locale/setlocale.c: In LC_ALL case, initialize CATEGORY before loop to install data. * locale/loadlocale.c (_nl_category_num_items): Use _NL_ITEM_INDEX to extract number from item code. (_nl_load_locale): Close the descriptor when finished. * malloc/realloc.c (_realloc_internal): Call _malloc_internal in place of malloc. * time/tzfile.c (__tzfile_default): Initialize RULE_STDOFF to zero.
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# 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))
object-suffixes := .o
libtype.o := lib%.a
ifeq (yes,$(build-shared))
# Under --enable-shared, we will build a shared library of PIC objects.
# The PIC object files are named foo.so.
object-suffixes += .so
CPPFLAGS-.so = -DPIC
CFLAGS-.so = -fPIC
libtype.so := lib%_pic.a
endif
ifeq (yes,$(build-profile))
# Under --enable-profile, we will build a static library of profiled objects.
# The profiled object files are named foo.po.
object-suffixes += .po
CFLAGS-.po = -p
libtype.po = 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.go.
object-suffixes += .go
CFLAGS-.go = -g
CFLAGS-.o = -g0 -O99 -fomit-frame-pointer
CFLAGS-.so += $(CFLAGS.o)
libtype.go = lib%_g.a
endif
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+gnu-stabs = $(shell echo>&2 '*** BARF ON ME')
ifneq ($(BUILD_CC),$(CC))
cross-compiling := yes
else
cross-compiling := no
endif
endif # Makeconfig not yet included