mirror of
git://sourceware.org/git/glibc.git
synced 2024-11-21 01:12:26 +08:00
ec4b0518a3
Thu Sep 19 21:50:55 1996 Ulrich Drepper <drepper@cygnus.com> * sysdeps/posix/gettimeofday.c (__gettimeofday): Use localtime_r instead of localtime. Reported by Matthias Urlichs. * shlib-versions: Remove version number for libcrypt. * features.h: Define __USE_REENTRANT if _REENTRANT or _THREAD_SAFE. * libc-symbols.h: Define _REENTRANT while compiling libc. * sysdeps/unix/sysv/linux/i386/sysdep.S (__errno_location): Define even if !_LIBC_REENTRANT. * sysdeps/unix/sysv/linux/i386/sysdep.S (__errno_location): Likewise. * sysdeps/posix/cuserid.h: Remove prototype for geteuid(). De-ANSI-fy. * MakeTAGS ($P/libc.pot): Generate correctly formed header. * po/header.pot: Correct title line. * po/nl.po: Update. Thu Sep 19 18:59:55 1996 Ulrich Drepper <drepper@cygnus.com> * Makeconfig (soversions.mk): Prefer shared lib version numbers is add ons over version in libc itself. * sysdeps/unix/sysv/linux/i386/sysdep.S: Include <sysdep.h>. * sysdeps/unix/sysv/linux/i386/sysdep.h: Prevent multiple inclusion. * libio/iofgets.c: Use __flockfile and __funlockfile instead of _IO_flockfile and _IO_funlockfile resp. * locale/categories.def: Partly support for correct `era' handling in LC_TIME category. * locale/langinfo.h: Likewise. * locale/programs/ld-time.c: Likewise. * locale/localeinfo.h: Change comment a bit. * malloc/memalign.c: Don't use goto, not necessary anymore. 1996-09-18 Paul Eggert <eggert@twinsun.com> * time/mktime.c (ydhms_tm_diff): Work correctly even if year is negative, or if time_t is unsigned. * time/strftime.c (tm_diff): Work correctly even if tm_year is near INT_MIN. Tue Sep 17 16:14:34 1996 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * sysdeps/m68k/fpu/__math.h (__inline_mathop): Changed to generate all three versions of the math function. (__inline_mathopf, __inline_mathopl): Removed. (__inline_functions): New temporary definition containing all non-trivial inline functions. Wed Sep 18 00:25:41 1996 Ulrich Drepper <drepper@cygnus.com> * time/strftime.c (strftime): The T_FMT_AMPM string may be empty. Tue Sep 17 20:27:18 1996 Ulrich Drepper <drepper@cygnus.com> * math/Makefile (extra-libs-others): Use $(extra-libs) instead of $(extra-libc). Tue Sep 17 17:09:44 1996 Ulrich Drepper <drepper@cygnus.com> * sysdeps/stub/fpu_control.h: Correct end of file comment. Tue Sep 17 05:39:18 1996 Ulrich Drepper <drepper@cygnus.com> * stdio-common/bug3.c, stdio-common/bug4.c, stdio-common/bug5.c, stdio-common/test-popen.c: Remove temporary files after test. * stdio-common/bug5.c: Use `system' instead of `execlp'. Patches by Andreas Jaeger. * stdio-common/bug5.c: Create string for `system' argument to make sure the input and output file names are really correct. Sun Sep 15 12:46:44 1996 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * configure.in: If $os contains a hyphen add the part before the hyphen to $ostry. Sun Sep 15 18:14:02 1996 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * sysdeps/m68k/fpu/__math.h (__ieee754_pow, __ieee754_powf, __ieee754_powl): Rename local variable i to __i. (__ieee754_atan2, __ieee754_atan2f, __ieee754_atan2l): New inline functions. * sysdeps/m68k/fpu/e_atan2.c, sysdeps/m68k/fpu/e_atan2f.c, sysdeps/m68k/fpu/e_atan2l.c: New files. 1996-09-15 Paul Eggert <eggert@twinsun.com> * manual/time.texi: Change `range X to Y' to `range X through Y', to avoid ambiguity in English. (strftime): Numbers that do not have a range indicated are not padded. Describe E and O modifiers. %g, %G, %u: New formats. %C, %y, %Y: Describe behavior on negative years. %e: Fix typo (was labeled %d). %l, %V: Fix typo in range. %M, %S, %U, %w, %W: Give ranges. %p: Clarify how noon and midnight are handled for AM and PM. %s: Clarify leap second handling. %r: Now locale-defined. %C, %D, %e, %h, %n, %r, %t, %T: Say that they are POSIX.2 extensions. %z: Say that it is a GNU extension. %Z: Wording fix. * time/strftime.c: (strftime): %V: Fix mishandling of week numbers near year boundaries. %g, %G: New formats (suggested by Arthur David Olson). %U, %W: Use inline expression instead of `week' function. %C, %y: Handle negative years portably. %C, %Y: Use width 1, since values can be arbitrarily wide. %r: Use T_FMT_AMPM format if _NL_CURRENT is defined. %u: New Posix.2 format. %w: Width is 1, not 2. (iso_week_days): New function, for %V, %G, %g. (week): Remove; it didn't handle %V correctly. (__isleap): New macro. (mbsinit): Use arg, to pacify GCC -Wall. 1996-09-13 Paul Eggert <eggert@twinsun.com> * time/strftime.c (strftime): If using the GNU C library, do not bother to check for multibyte encodings, since they're safe in formats. Otherwise: - Check for multibyte encodings when encountering any character that is not in the basic execution character set of the C Standard. - Use mbrlen (if available) instead of mblen, to avoid modifying mblen's internal state. - Do not assume that '%' cannot appear as the first character of a multibyte character sequence, since this is possible when not in the initial shift state. (HAVE_MBRLEN, MULTIBYTE_IS_FORMAT_SAFE): Define if _LIBC is defined. (DO_MULTIBYTE): New macro. (<ctype.h>): Do not include. (<wchar.h>): Include if HAVE_MBRLEN. (mbstate_t, mbrlen, mbsinit): Define if ! HAVE_MBRLEN. (mbstate_zero): New constant. 1996-09-12 Paul Eggert <eggert@twinsun.com> * time/strftime.c (strftime): Use an empty zone if it can't be determined; POSIX.2 requires this. Use plain `int' for pad and modifier (which now contain char value). Use plain `int' for number_value, to print negative values correctly. Use plain `int' for digits; there was no need to make it unsigned. Initialize subfmt consistently. Remove incorrect code for %EC and %Ey; they aren't implemented yet. For %O, if there is no alternate digit, output Ascii instead of "". Output the `%' of an unknown format; this is most likely the right thing to do if a multibyte string has been misparsed. Thu Sep 12 23:23:13 1996 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * stdio-common/scanf7.c (main): Remove extra conversion from printf format string. Thu Sep 12 23:01:16 1996 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * stdlib/test-canon.c (tests): Rename structure member from errno to error, all uses changed. Thu Sep 12 20:08:06 1996 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * sysdeps/m68k/fpu/__math.h (__ldexp, __ldexpf, __ldexpl): Removed. * sysdeps/m68k/fpu/s_ldexp.c, sysdeps/m68k/fpu/s_ldexpf.c, sysdeps/m68k/fpu/s_ldexpl.c: Removed, use generic implementation instead. * sysdeps/m68k/fpu/s_scalbn.c, sysdeps/m68k/fpu/s_scalbnf.c, sysdeps/m68k/fpu/s_scalbnl.c: Replaced with old contents of s_ldexp.c, s_ldexpf.c and s_ldexpl.c, resp., suitably adpted. * sysdeps/m68k/fpu/__math.h (__frexp, __frexpf, __frexpl): Return value must be in [0.5, 1), not [1, 2). Reported by Chris Lawrence. (__ilogb, __ilogbf, __ilogbl): Check for argument being zero. (__scalbn, __scalbnf, __scalbnl): Use second argument directly. Thu Sep 12 19:59:24 1996 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * sysdeps/libm-ieee754/e_acoshl.c: Fix typos. * sysdeps/libm-ieee754/s_cbrtl.c: Remove unused variable. Thu Sep 12 19:59:24 1996 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * sysdeps/libm-ieee754/e_acoshl.c: Fix typos. * sysdeps/libm-ieee754/s_cbrtl.c: Remove unused variable. Thu Sep 12 19:56:07 1996 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * inet/herrno.c (__h_errno_location): Fix return type. Tue Sep 17 10:51:58 1996 Thomas Bushnell, n/BSG <thomas@gnu.ai.mit.edu> * malloc/memalign.c (memalign): Only acquire __libc_malloc_lock for actual modifications to global state. Fri Sep 13 01:21:36 1996 Thomas Bushnell, n/BSG <thomas@gnu.ai.mit.edu> * sysdeps/mach/Makefile (includes): Add -I$(common-objpfx)mach/. * sysdeps/mach/hurd/Makefile (includes): Add -I$(common-objpfx)hurd/. Reported by Marcus Daniels. * sysdeps/generic/schedbits.h (struct sched_param): Renamed from struct sched_params. * sysdeps/stub/sched_setp.c (__sched_setparam): struct sched_params -> struct sched_param. * sysdeps/stub/sched_getp.c (__sched_getparam): Likewise. * sysdeps/stub/sched_sets.c (__sched_setscheduler): Likewise. Thu Sep 12 23:58:25 1996 Thomas Bushnell, n/BSG <thomas@gnu.ai.mit.edu> * sysdeps/mach/libc-lock.h (__libc_cleanup_region_start): Fix syntax error. * stdio-common/Makefile: Put lockfile in routines unconditionally. Define _MT_SAFE_IO if using for libio and compiling reentrant libc. * stdio-common/vfprintf.c (__flockfile, __funlockfile): Declare this always, not just if _LIBC_REENTRANT. (__funlockfile): Don't use weak_extern for this one; __libc_cleanup_region_end might be defined and the use of __funlockfile can't be protected the way the use of __flockfile can be. * sched.h: New file. Helper to access posix/sched.h. Thu Sep 12 12:33:52 1996 Thomas Bushnell, n/BSG <thomas@gnu.ai.mit.edu> * sysdeps/mach/hurd/dl-cache.c: Delete second copy of file accidentally added on. * sysdeps/stub/intr-msg.h: New file. * stdio-common/vfprintf.c: Include <libc-lock.h>. * stdio-common/vfscanf.c: Include <libc-lock.h>. * sysdeps/mach/libc-lock.h (__libc_cleanup_region_start): New macro. (__libc_cleanup_region_end): New macro.
682 lines
19 KiB
Plaintext
682 lines
19 KiB
Plaintext
Dnl Process this file with autoconf to produce a configure script.
|
|
AC_REVISION([$CVSid$])
|
|
AC_PREREQ(2.10)dnl dnl Minimum Autoconf version required.
|
|
AC_INIT(features.h)
|
|
AC_CONFIG_HEADER(config.h)
|
|
|
|
# This will get text that should go into config.make.
|
|
config_vars=
|
|
|
|
# Check for a --with-gmp argument and set gmp-srcdir in config.make.
|
|
AC_ARG_WITH(gmp, dnl
|
|
--with-gmp=DIRECTORY find GMP source code in DIRECTORY (not needed),
|
|
[dnl
|
|
case "$with_gmp" in
|
|
yes) AC_MSG_ERROR(--with-gmp requires an argument; use --with-gmp=DIRECTORY) ;;
|
|
''|no) ;;
|
|
*) config_vars="$config_vars
|
|
gmp-srcdir = $withval" ;;
|
|
esac
|
|
])
|
|
# Check for a --with-gettext argument and set gettext-srcdir in config.make.
|
|
AC_ARG_WITH(gettext, dnl
|
|
--with-gettext=DIR find GNU gettext source code in DIR (not needed),
|
|
[dnl
|
|
case "$with_gettext" in
|
|
yes)
|
|
AC_MSG_ERROR(--with-gettext requires an argument; use --with-gettext=DIR) ;;
|
|
''|no) ;;
|
|
*)
|
|
config_vars="$config_vars
|
|
gettext-srcdir = $withval" ;;
|
|
esac
|
|
])
|
|
|
|
dnl Arguments to specify presence of other packages/features.
|
|
AC_ARG_WITH(fp, dnl
|
|
--with-fp if using floating-point hardware [default=yes],
|
|
with_fp=$withval, with_fp=yes)
|
|
AC_ARG_WITH(gnu-binutils, dnl
|
|
--with-gnu-binutils if using GNU binutils (as and ld),
|
|
gnu_binutils=$withval, gnu_binutils=no)
|
|
AC_ARG_WITH(gnu-ld, dnl
|
|
--with-gnu-ld if using GNU ld (in the binutils package),
|
|
gnu_ld=$withval, gnu_ld=no)
|
|
AC_ARG_WITH(gnu-as, dnl
|
|
--with-gnu-as if using GNU as (in the binutils package),
|
|
gnu_as=$withval, gnu_as=no)
|
|
test $gnu_binutils = yes && gnu_as=yes gnu_ld=yes
|
|
AC_ARG_WITH(elf, dnl
|
|
--with-elf if using the ELF object format,
|
|
elf=$withval, elf=no)
|
|
|
|
AC_ARG_ENABLE(libio, dnl
|
|
[ --enable-libio build in GNU libio instead of GNU stdio],
|
|
[if test $enableval = yes; then
|
|
stdio=libio
|
|
else
|
|
stdio=stdio
|
|
fi],
|
|
stdio=default)
|
|
|
|
dnl Arguments to enable or disable building the shared, profiled, and
|
|
dnl -fomit-frame-pointer libraries.
|
|
AC_ARG_ENABLE(shared, dnl
|
|
[ --enable-shared build shared library [default=yes if GNU ld & ELF]],
|
|
shared=$enableval, shared=default)
|
|
AC_ARG_ENABLE(profile, dnl
|
|
[ --enable-profile build profiled library [default=yes]],
|
|
profile=$enableval, profile=yes)
|
|
AC_ARG_ENABLE(omitfp, dnl
|
|
[ --enable-omitfp build undebuggable optimized library [default=no]],
|
|
omitfp=$enableval, omitfp=no)
|
|
|
|
dnl Generic infrastructure for drop-in additions to libc.
|
|
AC_ARG_ENABLE(add-ons, dnl
|
|
[ --enable-add-ons=DIR... configure and build named extra directories],
|
|
[add_ons=`echo "$enableval" | sed 's/,/ /g'`],
|
|
[add_ons=])
|
|
AC_CONFIG_SUBDIRS($add_ons)
|
|
add_ons_pfx=
|
|
if test x"$add_ons" != x; then
|
|
for f in $add_ons; do
|
|
add_ons_pfx="$add_ons_pfx $f/"
|
|
done
|
|
fi
|
|
|
|
AC_CANONICAL_HOST
|
|
# We keep the original values in `$config_*' and never modify them, so we
|
|
# can write them unchanged into config.make. Everything else uses
|
|
# $machine, $vendor, and $os, and changes them whenever convenient.
|
|
config_machine=$host_cpu config_vendor=$host_vendor config_os=$host_os
|
|
|
|
# Some configurations imply other options.
|
|
case "$host_os" in
|
|
gnu* | linux* | bsd4.4* | netbsd* | freebsd*)
|
|
# These systems always use GNU tools.
|
|
gnu_ld=yes gnu_as=yes ;;
|
|
esac
|
|
case "$host_os" in
|
|
linux*ecoff*)
|
|
;;
|
|
gnu* | linux* | sysv4* | solaris2*)
|
|
# These systems (almost) always use the ELF format.
|
|
elf=yes
|
|
;;
|
|
esac
|
|
|
|
machine=$config_machine
|
|
vendor=$config_vendor
|
|
os=$config_os
|
|
|
|
dnl We need to use [ and ] for other purposes for a while now.
|
|
changequote(,)dnl
|
|
# Expand the configuration machine name into a subdirectory by architecture
|
|
# type and particular chip.
|
|
case "$machine" in
|
|
a29k | am29000) base_machine=a29k machine=a29k ;;
|
|
alpha*) base_machine=alpha machine=alpha/$machine ;;
|
|
hppa*) base_machine=hppa machine=hppa/$machine ;;
|
|
i[3456]86) base_machine=i386 machine=i386/$machine ;;
|
|
m680?0) base_machine=m68k machine=m68k/$machine ;;
|
|
m68k) base_machine=m68k machine=m68k/m68020 ;;
|
|
m88???) base_machine=m88k machine=m88k/$machine ;;
|
|
m88k) base_machine=m88k machine=m88k/m88100 ;;
|
|
mips*) base_machine=mips machine=mips/$machine ;;
|
|
mips64*) base_machine=mips64 machine=mips/mips64/$machine ;;
|
|
sparc[6789]) base_machine=sparc machine=sparc/$machine ;;
|
|
supersparc) base_machine=sparc machine=sparc/sparc8 ;;
|
|
esac
|
|
changequote([,])dnl
|
|
AC_SUBST(base_machine)
|
|
|
|
# Compute the list of sysdep directories for this configuration.
|
|
# This can take a while to compute.
|
|
sysdep_dir=$srcdir/sysdeps
|
|
AC_MSG_CHECKING(sysdep dirs)
|
|
dnl We need to use [ and ] for other purposes for a while now.
|
|
changequote(,)dnl
|
|
# Make sco3.2v4 become sco3.2.4 and sunos4.1.1_U1 become sunos4.1.1.U1.
|
|
os="`echo $os | sed 's/\([0-9A-Z]\)[v_]\([0-9A-Z]\)/\1.\2/g'`"
|
|
|
|
case "$os" in
|
|
gnu*)
|
|
base_os=mach/hurd ;;
|
|
netbsd* | 386bsd* | freebsd* | bsdi*)
|
|
base_os=unix/bsd/bsd4.4 ;;
|
|
osf* | sunos* | ultrix* | newsos* | dynix* | *bsd*)
|
|
base_os=unix/bsd ;;
|
|
sysv* | isc* | esix* | sco* | minix* | irix4* | linux*)
|
|
base_os=unix/sysv ;;
|
|
solaris[2-9]*)
|
|
base_os=unix/sysv/sysv4 ;;
|
|
none)
|
|
base_os=standalone ;;
|
|
*)
|
|
base_os='' ;;
|
|
esac
|
|
|
|
# For sunos4.1.1, try sunos4.1.1, then sunos4.1, then sunos4, then sunos.
|
|
tail=$os
|
|
ostry=$os
|
|
while o=`echo $tail | sed 's/\.[^.]*$//'`; test $o != $tail; do
|
|
ostry="$ostry /$o"
|
|
tail=$o
|
|
done
|
|
o=`echo $tail | sed 's/[0-9]*$//'`
|
|
if test $o != $tail; then
|
|
ostry="$ostry /$o"
|
|
fi
|
|
# For linux-gnu, try linux-gnu, then linux.
|
|
o=`echo $tail | sed 's/-.*$//'`
|
|
if test $o != $tail; then
|
|
ostry="$ostry /$o"
|
|
fi
|
|
|
|
# For unix/sysv/sysv4, try unix/sysv/sysv4, then unix/sysv, then unix.
|
|
base=
|
|
tail=$base_os
|
|
while b=`echo $tail | sed 's@^\(.*\)/\([^/]*\)$@& \1@'`; test -n "$b"; do
|
|
set $b
|
|
base="$base /$1"
|
|
tail="$2"
|
|
done
|
|
|
|
# For sparc/sparc9, try sparc/sparc9 and then sparc.
|
|
mach=
|
|
tail=$machine
|
|
while m=`echo $tail | sed 's@^\(.*\)/\([^/]*\)$@& \1@'`; test -n "$m"; do
|
|
set $m
|
|
# Prepend the machine's FPU directory unless --without-fp.
|
|
if test "$with_fp" = yes; then
|
|
mach="$mach /$1/fpu"
|
|
fi
|
|
mach="$mach /$1"
|
|
tail="$2"
|
|
done
|
|
|
|
dnl We are done with glob and regexp uses of [ and ]; return to autoconf.
|
|
changequote([,])dnl
|
|
|
|
# Find what sysdep directories exist.
|
|
sysnames=
|
|
IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:"
|
|
for d in $add_ons_pfx ''; do
|
|
for b in $base ''; do
|
|
for m0 in $mach ''; do
|
|
for v in /$vendor ''; do
|
|
for o in /$ostry ''; do
|
|
for m in $mach ''; do
|
|
if test "$m0$b$v$o$m"; then
|
|
try="${d}sysdeps$m0$b$v$o$m"
|
|
test -n "$enable_debug_configure" &&
|
|
echo "$0 [DEBUG]: try $try" >&2
|
|
case $try in
|
|
/*) dest=$try ;;
|
|
*) dest=$srcdir/$try ;;
|
|
esac
|
|
if test -d $dest; then
|
|
sysnames="$sysnames $try"
|
|
{ test -n "$o" || test -n "$b"; } && os_used=t
|
|
{ test -n "$m" || test -n "$m0"; } && machine_used=t
|
|
fi
|
|
fi
|
|
done
|
|
done
|
|
done
|
|
done
|
|
done
|
|
done
|
|
IFS="$ac_save_ifs"
|
|
|
|
if test -z "$os_used" && test "$os" != none; then
|
|
AC_MSG_ERROR(Operating system $os is not supported.)
|
|
fi
|
|
if test -z "$machine_used" && test "$machine" != none; then
|
|
AC_MSG_ERROR(The $machine is not supported.)
|
|
fi
|
|
|
|
# We have now validated the configuration.
|
|
|
|
|
|
# If using ELF, look for an `elf' subdirectory of each machine directory.
|
|
# We prepend these rather than inserting them whereever the machine appears
|
|
# because things specified by the machine's ELF ABI should override
|
|
# OS-specific things, and should always be the same for any OS on the
|
|
# machine (otherwise what's the point of an ABI?).
|
|
if test "$elf" = yes; then
|
|
elf_dirs=
|
|
for d in $add_ons_pfx ''; do
|
|
case $d in
|
|
/*) xsrcdir= ;;
|
|
*) xsrcdir=$srcdir/ ;;
|
|
esac
|
|
for m in $mach; do
|
|
if test -d $xsrcdir${d}sysdeps$m/elf; then
|
|
elf_dirs="$elf_dirs ${d}sysdeps$m/elf"
|
|
fi
|
|
done
|
|
done
|
|
sysnames="`echo $elf_dirs | sed -e 's,//,/,g'` $sysnames"
|
|
fi
|
|
|
|
|
|
# Expand the list of system names into a full list of directories
|
|
# from each element's parent name and Implies file (if present).
|
|
set $sysnames
|
|
names=
|
|
while test $# -gt 0; do
|
|
name=$1
|
|
shift
|
|
|
|
case " $names " in *" $name "*)
|
|
# Already in the list.
|
|
continue
|
|
esac
|
|
|
|
# Report each name as we discover it, so there is no long pause in output.
|
|
echo $ac_n "$name $ac_c" >&AC_FD_MSG
|
|
|
|
name_base=`echo $name | sed -e 's@\(.*sysdeps\)/.*@\1@'`
|
|
|
|
case $name in
|
|
/*) xsrcdir= ;;
|
|
*) xsrcdir=$srcdir/ ;;
|
|
esac
|
|
test -n "$enable_debug_configure" &&
|
|
echo "[DEBUG]: name/Implies $xsrcdir$name/Implies" >&2
|
|
|
|
if test -f $xsrcdir$name/Implies; then
|
|
# Collect more names from the `Implies' file (removing comments).
|
|
implied_candidate="`sed 's/#.*$//' < $xsrcdir$name/Implies`"
|
|
implied=
|
|
for x in $implied_candidate; do
|
|
if test -d $xsrcdir$name_base/$x; then
|
|
implied="$implied $name_base/$x";
|
|
else
|
|
AC_MSG_WARN($name/Implies specifies nonexistent $x)
|
|
fi
|
|
done
|
|
else
|
|
implied=
|
|
fi
|
|
|
|
# Add NAME to the list of names.
|
|
names="$names $name"
|
|
|
|
# Find the parent of NAME, using the empty string if it has none.
|
|
changequote(,)dnl
|
|
parent="`echo $name | sed -n -e 's=/[^/]*$==' -e '/sysdeps$/q' -e p`"
|
|
changequote([,])dnl
|
|
|
|
# Add the names implied by NAME, and NAME's parent (if it has one), to
|
|
# the list of names to be processed (the argument list). We prepend the
|
|
# implied names to the list and append the parent. We want implied
|
|
# directories to come before further directories inferred from the
|
|
# configuration components; this ensures that for sysv4, unix/common
|
|
# (implied by unix/sysv/sysv4) comes before unix/sysv (in ostry (here $*)
|
|
# after sysv4).
|
|
sysnames="`echo $implied $* $parent`"
|
|
test -n "$sysnames" && set $sysnames
|
|
done
|
|
|
|
# Add the default directories.
|
|
sysnames="$names sysdeps/generic sysdeps/stub"
|
|
AC_SUBST(sysnames)
|
|
# The other names were emitted during the scan.
|
|
AC_MSG_RESULT(sysdeps/generic sysdeps/stub)
|
|
|
|
|
|
### Locate tools.
|
|
|
|
AC_PROG_INSTALL
|
|
if test "$INSTALL" = "${srcdir}/install-sh"; then
|
|
# The makefiles need to use a different form to find it in $srcdir.
|
|
INSTALL='$(..)./install-sh'
|
|
fi
|
|
AC_PROG_LN_S
|
|
AC_CHECK_PROGS(MSGFMT, msgfmt gmsgfmt, :)
|
|
|
|
AC_CHECK_TOOL(CC, gcc)
|
|
if test $host != $build; then
|
|
AC_CHECK_PROG(BUILD_CC, gcc cc)
|
|
fi
|
|
AC_PROG_CPP
|
|
AC_CHECK_TOOL(AR, ar)
|
|
AC_CHECK_TOOL(RANLIB, ranlib, :)
|
|
|
|
AC_CACHE_CHECK(for signed size_t type, libc_cv_signed_size_t, [dnl
|
|
echo '#include <stddef.h>
|
|
FOOBAR __SIZE_TYPE__ FOOBAR' > conftest.c
|
|
if eval "$ac_cpp conftest.c 2>/dev/null" \
|
|
| grep '^FOOBAR.*unsigned.*FOOBAR$' >/dev/null; then
|
|
libc_cv_signed_size_t=no
|
|
else
|
|
libc_cv_signed_size_t=yes
|
|
fi
|
|
rm -f conftest*])
|
|
if test $libc_cv_signed_size_t = yes; then
|
|
dnl Do this by hand instead of AC_DEFINE so can add #undef to avoid warnings.
|
|
cat >> confdefs.h <<\EOF
|
|
#undef __SIZE_TYPE__
|
|
#define __SIZE_TYPE__ unsigned
|
|
EOF
|
|
fi
|
|
|
|
AC_CACHE_CHECK(for libc-friendly stddef.h, libc_cv_friendly_stddef, [dnl
|
|
AC_TRY_COMPILE(dnl
|
|
[#define __need_size_t
|
|
#define __need_wchar_t
|
|
#include <stddef.h>
|
|
#define __need_NULL
|
|
#include <stddef.h>], [size_t size; wchar_t wchar;
|
|
#ifdef offsetof
|
|
#error stddef.h ignored __need_*
|
|
#endif
|
|
if (&size == NULL || &wchar == NULL) abort ();],
|
|
libc_cv_friendly_stddef=yes,
|
|
libc_cv_friendly_stddef=no)])
|
|
if test $libc_cv_friendly_stddef = yes; then
|
|
config_vars="$config_vars
|
|
override stddef.h = # The installed <stddef.h> seems to be libc-friendly."
|
|
fi
|
|
|
|
AC_CACHE_CHECK(whether we need to use -P to assemble .S files,
|
|
libc_cv_need_minus_P, [dnl
|
|
cat > conftest.S <<EOF
|
|
#include "confdefs.h"
|
|
/* Nothing whatsoever. */
|
|
EOF
|
|
if ${CC-cc} $CFLAGS -c conftest.S 2>/dev/null; then
|
|
libc_cv_need_minus_P=no
|
|
else
|
|
libc_cv_need_minus_P=yes
|
|
fi
|
|
rm -f conftest*])
|
|
if test $libc_cv_need_minus_P = yes; then
|
|
config_vars="$config_vars
|
|
asm-CPPFLAGS = -P # The assembler can't grok cpp's # line directives."
|
|
fi
|
|
|
|
AC_CACHE_CHECK(for assembler global-symbol directive,
|
|
libc_cv_asm_global_directive, [dnl
|
|
libc_cv_asm_global_directive=UNKNOWN
|
|
for ac_globl in .globl .global; do
|
|
cat > conftest.s <<EOF
|
|
.text
|
|
${ac_globl} foo
|
|
foo: .long 0
|
|
EOF
|
|
if ${CC-cc} $CFLAGS -c conftest.s 2>/dev/null; then
|
|
libc_cv_asm_global_directive=${ac_globl}
|
|
fi
|
|
rm -f conftest*
|
|
test $libc_cv_asm_global_directive != UNKNOWN && break
|
|
done])
|
|
if test $libc_cv_asm_global_directive = UNKNOWN; then
|
|
AC_MSG_ERROR(cannot determine asm global directive)
|
|
else
|
|
AC_DEFINE_UNQUOTED(ASM_GLOBAL_DIRECTIVE, ${libc_cv_asm_global_directive})
|
|
fi
|
|
|
|
AC_CACHE_CHECK(for .set assembler directive, libc_cv_asm_set_directive, [dnl
|
|
cat > conftest.s <<EOF
|
|
.text
|
|
foo: .long 0
|
|
.set glibc_conftest_frobozz,foo
|
|
$libc_cv_asm_global_directive glibc_conftest_frobozz
|
|
EOF
|
|
# The alpha-dec-osf1 assembler gives only a warning for `.set'
|
|
# (but it doesn't work), so we must do a linking check to be sure.
|
|
cat > conftest1.c <<\EOF
|
|
extern int glibc_conftest_frobozz;
|
|
main () { printf ("%d\n", glibc_conftest_frobozz); }
|
|
EOF
|
|
if ${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS \
|
|
-o conftest conftest.s conftest1.c 1>&AC_FD_CC 2>&AC_FD_CC; then
|
|
libc_cv_asm_set_directive=yes
|
|
else
|
|
libc_cv_asm_set_directive=no
|
|
fi
|
|
rm -f conftest*])
|
|
if test $libc_cv_asm_set_directive = yes; then
|
|
AC_DEFINE(HAVE_ASM_SET_DIRECTIVE)
|
|
fi
|
|
|
|
if test $elf != yes; then
|
|
AC_CACHE_CHECK(for .init and .fini sections, libc_cv_have_initfini,
|
|
[AC_TRY_COMPILE(, [asm (".section .init");
|
|
asm (".section .fini");
|
|
asm (".text");],
|
|
libc_cv_have_initfini=yes,
|
|
libc_cv_have_initfini=no)])
|
|
AC_SUBST(libc_cv_have_initfini)dnl
|
|
if test $libc_cv_have_initfini = yes; then
|
|
AC_DEFINE(HAVE_INITFINI)
|
|
fi
|
|
fi
|
|
|
|
if test $elf = yes; then
|
|
libc_cv_asm_underscores=no
|
|
else
|
|
AC_CACHE_CHECK(for _ prefix on C symbol names, libc_cv_asm_underscores,
|
|
[AC_TRY_LINK([asm ("_glibc_foobar:");], [glibc_foobar ();],
|
|
libc_cv_asm_underscores=yes,
|
|
libc_cv_asm_underscores=no)])
|
|
fi
|
|
if test $libc_cv_asm_underscores = no; then
|
|
AC_DEFINE(NO_UNDERSCORES)
|
|
fi
|
|
|
|
if test $elf = yes; then
|
|
libc_cv_weak_symbols=yes
|
|
libc_cv_asm_weak_directive=yes
|
|
libc_cv_asm_weakext_directive=no
|
|
else
|
|
AC_CACHE_CHECK(for assembler .weak directive, libc_cv_asm_weak_directive,
|
|
[dnl
|
|
cat > conftest.s <<EOF
|
|
.text
|
|
${libc_cv_asm_global_directive} foo
|
|
foo: .long 0
|
|
.weak foo
|
|
.weak bar; bar = foo
|
|
EOF
|
|
if ${CC-cc} $CFLAGS -c conftest.s 2>/dev/null; then
|
|
libc_cv_asm_weak_directive=yes
|
|
else
|
|
libc_cv_asm_weak_directive=no
|
|
fi
|
|
rm -f conftest*])
|
|
|
|
if test $libc_cv_asm_weak_directive = no; then
|
|
AC_CACHE_CHECK(for assembler .weakext directive,
|
|
libc_cv_asm_weakext_directive,
|
|
[dnl
|
|
cat > conftest.s <<EOF
|
|
.text
|
|
${libc_cv_asm_global_directive} foo
|
|
foo: .long 0
|
|
.weakext foo
|
|
.weakext foo, bar
|
|
EOF
|
|
if ${CC-cc} $CFLAGS -c conftest.s 2>/dev/null; then
|
|
libc_cv_asm_weakext_directive=yes
|
|
else
|
|
libc_cv_asm_weakext_directive=no
|
|
fi
|
|
rm -f conftest*])
|
|
|
|
fi # no .weak
|
|
fi # not ELF
|
|
|
|
if test $libc_cv_asm_weak_directive = yes; then
|
|
AC_DEFINE(HAVE_ASM_WEAK_DIRECTIVE)
|
|
elif test $libc_cv_asm_weakext_directive = yes; then
|
|
AC_DEFINE(HAVE_ASM_WEAKEXT_DIRECTIVE)
|
|
fi
|
|
|
|
AC_CACHE_CHECK(for ld --no-whole-archive, libc_cv_ld_no_whole_archive, [dnl
|
|
cat > conftest.c <<\EOF
|
|
_start () {}
|
|
int __eh_pc;
|
|
__throw () {}
|
|
EOF
|
|
dnl No \ in command here because it ends up inside ''.
|
|
if AC_TRY_COMMAND([${CC-cc} $CFLAGS
|
|
-nostdlib -nostartfiles -Wl,--no-whole-archive
|
|
-o conftest conftest.c]); then
|
|
libc_cv_ld_no_whole_archive=yes
|
|
else
|
|
libc_cv_ld_no_whole_archive=no
|
|
fi
|
|
rm -f conftest*])
|
|
AC_SUBST(libc_cv_ld_no_whole_archive)dnl
|
|
|
|
AC_CACHE_CHECK(for gcc -fno-exceptions, libc_cv_gcc_no_exceptions, [dnl
|
|
cat > conftest.c <<\EOF
|
|
_start () {}
|
|
int __eh_pc;
|
|
__throw () {}
|
|
EOF
|
|
dnl No \ in command here because it ends up inside ''.
|
|
if AC_TRY_COMMAND([${CC-cc} $CFLAGS
|
|
-nostdlib -nostartfiles -fno-exceptions
|
|
-o conftest conftest.c]); then
|
|
libc_cv_gcc_no_exceptions=yes
|
|
else
|
|
libc_cv_gcc_no_exceptions=no
|
|
fi
|
|
rm -f conftest*])
|
|
AC_SUBST(libc_cv_gcc_no_exceptions)dnl
|
|
|
|
### End of automated tests.
|
|
### Now run sysdeps configure fragments.
|
|
|
|
# sysdeps configure fragments may set these with files to be linked below.
|
|
libc_link_dests=
|
|
libc_link_sources=
|
|
|
|
# Iterate over all the sysdep directories we will use, running their
|
|
# configure fragments, and looking for a uname implementation.
|
|
uname=
|
|
for dir in $sysnames; do
|
|
case $dir in
|
|
/*) dest=$dir ;;
|
|
*) dest=$srcdir/$dir ;;
|
|
esac
|
|
if test -r $dest/configure; then
|
|
AC_MSG_RESULT(running configure fragment for $dest)
|
|
. $dest/configure
|
|
fi
|
|
[
|
|
if test -z "$uname"; then
|
|
if test -r $sysdep_dir/$dir/uname.c ||
|
|
test -r $sysdep_dir/$dir/uname.S ||
|
|
{ test -r $sysdep_dir/$dir/syscalls.list &&
|
|
grep '^uname[ ]' $sysdep_dir/$dir/syscalls.list >/dev/null; }; then
|
|
uname=$dir
|
|
fi
|
|
fi
|
|
]dnl
|
|
done
|
|
|
|
AC_LINK_FILES(`echo $libc_link_sources`, `echo $libc_link_dests`)
|
|
|
|
# If we will use the generic uname implementation, we must figure out what
|
|
# it will say by examining the system, and write the results in config-name.h.
|
|
if test "$uname" = generic; then
|
|
|
|
changequote(,)dnl
|
|
uname_sysname=`echo $config_os | sed 's/[0-9.]*$//'`
|
|
changequote([,])dnl
|
|
if test $uname_sysname != $config_os; then
|
|
config_release=`echo $config_os | sed s/$uname_sysname//`
|
|
fi
|
|
dnl
|
|
AC_DEFUN(LIBC_KERNEL_ID, [dnl
|
|
if test -r /vmunix; then
|
|
kernel_id=`strings /vmunix | grep UNIX`
|
|
elif test -r /dynix; then
|
|
kernel_id=`strings /dynix | grep DYNIX`
|
|
else
|
|
kernel_id=
|
|
fi
|
|
])dnl
|
|
|
|
AC_CACHE_CHECK(OS release for uname, libc_cv_uname_release, [dnl
|
|
AC_REQUIRE([LIBC_KERNEL_ID])dnl
|
|
changequote(,)dnl
|
|
kernel_release=`echo "$kernel_id" | sed 's/^[^0-9.]*\([0-9.]*\).*$/\1/'`
|
|
changequote([,])dnl
|
|
if test x`echo "$config_release" | sed "s/^$kernel_release//"` \
|
|
!= x$config_release; then
|
|
# The configuration release is a substring of the kernel release.
|
|
libc_cv_uname_release=$kernel_release
|
|
elif test x$config_release != x; then
|
|
libc_cv_uname_release=$config_release
|
|
elif test x$kernel_release != x; then
|
|
libc_cv_uname_release=$kernel_release
|
|
else
|
|
libc_cv_uname_release=unknown
|
|
fi])
|
|
uname_release="$libc_cv_uname_release"
|
|
|
|
AC_CACHE_CHECK(OS version for uname, libc_cv_uname_version, [dnl
|
|
AC_REQUIRE([LIBC_KERNEL_ID])dnl
|
|
changequote(,)dnl
|
|
kernel_version=`echo "$kernel_id" | sed 's/^[^#]*#\([0-9]*\).*$/\1/'`
|
|
changequote([,])dnl
|
|
if test -n "$kernel_version"; then
|
|
libc_cv_uname_version="$kernel_version"
|
|
else
|
|
libc_cv_uname_version=unknown
|
|
fi])
|
|
uname_version="$libc_cv_uname_version"
|
|
|
|
AC_SUBST(uname_sysname) AC_SUBST(uname_release) AC_SUBST(uname_version)dnl
|
|
config_uname=config-name.h:config-name.in
|
|
else
|
|
# For non-generic uname, we don't need to create config-name.h at all.
|
|
config_uname=
|
|
fi
|
|
|
|
AC_MSG_CHECKING(stdio selection)
|
|
AC_SUBST(stdio)
|
|
case $stdio in
|
|
libio) AC_DEFINE(USE_IN_LIBIO) ;;
|
|
default) stdio=stdio ;;
|
|
esac
|
|
AC_MSG_RESULT($stdio)
|
|
|
|
AC_SUBST(gnu_ld) AC_SUBST(gnu_as) AC_SUBST(elf)
|
|
if test $gnu_ld = yes; then
|
|
AC_DEFINE(HAVE_GNU_LD)
|
|
fi
|
|
if test $gnu_as = yes; then
|
|
AC_DEFINE(HAVE_GNU_AS)
|
|
fi
|
|
if test $elf = yes; then
|
|
AC_DEFINE(HAVE_ELF)
|
|
fi
|
|
|
|
AC_SUBST(shared)
|
|
if test $shared = default; then
|
|
if test $gnu_ld = yes; then
|
|
shared=$elf
|
|
fi
|
|
fi
|
|
AC_SUBST(profile)
|
|
AC_SUBST(omitfp)
|
|
|
|
AC_SUBST(DEFINES)
|
|
|
|
if test "`(cd $srcdir; pwd)`" = "`pwd`"; then
|
|
config_makefile=
|
|
else
|
|
config_makefile=Makefile
|
|
fi
|
|
|
|
AC_OUTPUT(config.make ${config_makefile} ${config_uname}, ,
|
|
[echo '$config_vars' >> config.make])
|