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-rwxr-xr-xbuild-aux/config.guess4
-rwxr-xr-xbuild-aux/config.sub894
-rw-r--r--lib/dtotimespec.c10
-rw-r--r--lib/fcntl.c190
-rw-r--r--lib/intprops.h4
-rw-r--r--lib/limits.in.h44
-rw-r--r--lib/mktime-internal.h16
-rw-r--r--lib/mktime.c122
-rw-r--r--lib/stat-time.h8
-rw-r--r--lib/strtol.c29
-rw-r--r--lib/timegm.c32
-rw-r--r--lib/timespec-add.c6
-rw-r--r--lib/timespec-sub.c6
-rw-r--r--lib/timespec.h18
-rw-r--r--lib/utimens.c4
-rw-r--r--m4/limits-h.m416
-rw-r--r--m4/stddef_h.m429
17 files changed, 803 insertions, 629 deletions
diff --git a/build-aux/config.guess b/build-aux/config.guess
index d4fb3213ec7..b33c9e890e0 100755
--- a/build-aux/config.guess
+++ b/build-aux/config.guess
@@ -2,7 +2,7 @@
# Attempt to guess a canonical system name.
# Copyright 1992-2018 Free Software Foundation, Inc.
-timestamp='2018-08-02'
+timestamp='2018-08-29'
# This file is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by
@@ -838,7 +838,7 @@ EOF
*:BSD/OS:*:*)
echo "$UNAME_MACHINE"-unknown-bsdi"$UNAME_RELEASE"
exit ;;
- arm*:FreeBSD:*:*)
+ arm:FreeBSD:*:*)
UNAME_PROCESSOR=`uname -p`
set_cc_for_build
if echo __ARM_PCS_VFP | $CC_FOR_BUILD -E - 2>/dev/null \
diff --git a/build-aux/config.sub b/build-aux/config.sub
index 49b16732eb6..b51fb8cdb69 100755
--- a/build-aux/config.sub
+++ b/build-aux/config.sub
@@ -2,7 +2,7 @@
# Configuration validation subroutine script.
# Copyright 1992-2018 Free Software Foundation, Inc.
-timestamp='2018-08-24'
+timestamp='2018-08-29'
# This file is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by
@@ -639,194 +639,162 @@ case $1 in
;;
esac
-# Decode aliases for certain CPU-COMPANY combinations.
+# Decode 1-component or ad-hoc basic machines
case $basic_machine in
# Here we handle the default manufacturer of certain CPU types. It is in
# some cases the only manufacturer, in others, it is the most popular.
- craynv)
- basic_machine=craynv-cray
- os=${os:-unicosmp}
- ;;
- fx80)
- basic_machine=fx80-alliant
- ;;
w89k)
- basic_machine=hppa1.1-winbond
+ cpu=hppa1.1
+ vendor=winbond
;;
op50n)
- basic_machine=hppa1.1-oki
+ cpu=hppa1.1
+ vendor=oki
;;
op60c)
- basic_machine=hppa1.1-oki
- ;;
- romp)
- basic_machine=romp-ibm
- ;;
- mmix)
- basic_machine=mmix-knuth
- ;;
- rs6000)
- basic_machine=rs6000-ibm
+ cpu=hppa1.1
+ vendor=oki
;;
- vax)
- basic_machine=vax-dec
- ;;
- pdp11)
- basic_machine=pdp11-dec
- ;;
- we32k)
- basic_machine=we32k-att
- ;;
- cydra)
- basic_machine=cydra-cydrome
- ;;
- i370-ibm* | ibm*)
- basic_machine=i370-ibm
- ;;
- orion)
- basic_machine=orion-highlevel
+ ibm*)
+ cpu=i370
+ vendor=ibm
;;
orion105)
- basic_machine=clipper-highlevel
+ cpu=clipper
+ vendor=highlevel
;;
mac | mpw | mac-mpw)
- basic_machine=m68k-apple
- ;;
- microblaze | microblazeel)
- basic_machine=$basic_machine-xilinx
+ cpu=m68k
+ vendor=apple
;;
pmac | pmac-mpw)
- basic_machine=powerpc-apple
- ;;
- xps | xps100)
- basic_machine=xps100-honeywell
+ cpu=powerpc
+ vendor=apple
;;
# Recognize the various machine names and aliases which stand
# for a CPU type and a company and sometimes even an OS.
3b1 | 7300 | 7300-att | att-7300 | pc7300 | safari | unixpc)
- basic_machine=m68000-att
+ cpu=m68000
+ vendor=att
;;
3b*)
- basic_machine=we32k-att
- ;;
- blackfin-*)
- basic_machine=bfin-`echo "$basic_machine" | sed 's/^[^-]*-//'`
- os=linux
+ cpu=we32k
+ vendor=att
;;
bluegene*)
- basic_machine=powerpc-ibm
+ cpu=powerpc
+ vendor=ibm
os=cnk
;;
- c54x-*)
- basic_machine=tic54x-`echo "$basic_machine" | sed 's/^[^-]*-//'`
- ;;
- c55x-*)
- basic_machine=tic55x-`echo "$basic_machine" | sed 's/^[^-]*-//'`
- ;;
- c6x-*)
- basic_machine=tic6x-`echo "$basic_machine" | sed 's/^[^-]*-//'`
- ;;
- c90)
- basic_machine=c90-cray
- os=${os:-unicos}
- ;;
decsystem10* | dec10*)
- basic_machine=pdp10-dec
+ cpu=pdp10
+ vendor=dec
os=tops10
;;
decsystem20* | dec20*)
- basic_machine=pdp10-dec
+ cpu=pdp10
+ vendor=dec
os=tops20
;;
delta | 3300 | motorola-3300 | motorola-delta \
| 3300-motorola | delta-motorola)
- basic_machine=m68k-motorola
- ;;
- dpx20 | dpx20-*)
- basic_machine=rs6000-bull
- os=${os:-bosx}
+ cpu=m68k
+ vendor=motorola
;;
dpx2*)
- basic_machine=m68k-bull
+ cpu=m68k
+ vendor=bull
os=sysv3
;;
- e500v[12])
- basic_machine=powerpc-unknown
- os=$os"spe"
- ;;
- e500v[12]-*)
- basic_machine=powerpc-`echo "$basic_machine" | sed 's/^[^-]*-//'`
- os=$os"spe"
- ;;
encore | umax | mmax)
- basic_machine=ns32k-encore
+ cpu=ns32k
+ vendor=encore
;;
elxsi)
- basic_machine=elxsi-elxsi
+ cpu=elxsi
+ vendor=elxsi
os=${os:-bsd}
;;
fx2800)
- basic_machine=i860-alliant
+ cpu=i860
+ vendor=alliant
;;
genix)
- basic_machine=ns32k-ns
+ cpu=ns32k
+ vendor=ns
;;
h3050r* | hiux*)
- basic_machine=hppa1.1-hitachi
+ cpu=hppa1.1
+ vendor=hitachi
os=hiuxwe2
;;
hp3k9[0-9][0-9] | hp9[0-9][0-9])
- basic_machine=hppa1.0-hp
+ cpu=hppa1.0
+ vendor=hp
;;
hp9k2[0-9][0-9] | hp9k31[0-9])
- basic_machine=m68000-hp
+ cpu=m68000
+ vendor=hp
;;
hp9k3[2-9][0-9])
- basic_machine=m68k-hp
+ cpu=m68k
+ vendor=hp
;;
hp9k6[0-9][0-9] | hp6[0-9][0-9])
- basic_machine=hppa1.0-hp
+ cpu=hppa1.0
+ vendor=hp
;;
hp9k7[0-79][0-9] | hp7[0-79][0-9])
- basic_machine=hppa1.1-hp
+ cpu=hppa1.1
+ vendor=hp
;;
hp9k78[0-9] | hp78[0-9])
# FIXME: really hppa2.0-hp
- basic_machine=hppa1.1-hp
+ cpu=hppa1.1
+ vendor=hp
;;
hp9k8[67]1 | hp8[67]1 | hp9k80[24] | hp80[24] | hp9k8[78]9 | hp8[78]9 | hp9k893 | hp893)
# FIXME: really hppa2.0-hp
- basic_machine=hppa1.1-hp
+ cpu=hppa1.1
+ vendor=hp
;;
hp9k8[0-9][13679] | hp8[0-9][13679])
- basic_machine=hppa1.1-hp
+ cpu=hppa1.1
+ vendor=hp
;;
hp9k8[0-9][0-9] | hp8[0-9][0-9])
- basic_machine=hppa1.0-hp
+ cpu=hppa1.0
+ vendor=hp
;;
i*86v32)
- basic_machine=`echo "$1" | sed -e 's/86.*/86-pc/'`
+ cpu=`echo "$1" | sed -e 's/86.*/86/'`
+ vendor=pc
os=sysv32
;;
i*86v4*)
- basic_machine=`echo "$1" | sed -e 's/86.*/86-pc/'`
+ cpu=`echo "$1" | sed -e 's/86.*/86/'`
+ vendor=pc
os=sysv4
;;
i*86v)
- basic_machine=`echo "$1" | sed -e 's/86.*/86-pc/'`
+ cpu=`echo "$1" | sed -e 's/86.*/86/'`
+ vendor=pc
os=sysv
;;
i*86sol2)
- basic_machine=`echo "$1" | sed -e 's/86.*/86-pc/'`
+ cpu=`echo "$1" | sed -e 's/86.*/86/'`
+ vendor=pc
os=solaris2
;;
j90 | j90-cray)
- basic_machine=j90-cray
+ cpu=j90
+ vendor=cray
os=${os:-unicos}
;;
iris | iris4d)
- basic_machine=mips-sgi
+ cpu=mips
+ vendor=sgi
case $os in
irix*)
;;
@@ -835,35 +803,23 @@ case $basic_machine in
;;
esac
;;
- leon-*|leon[3-9]-*)
- basic_machine=sparc-`echo "$basic_machine" | sed 's/-.*//'`
- ;;
- m68knommu-*)
- basic_machine=m68k-`echo "$basic_machine" | sed 's/^[^-]*-//'`
- os=linux
- ;;
miniframe)
- basic_machine=m68000-convergent
+ cpu=m68000
+ vendor=convergent
;;
*mint | mint[0-9]* | *MiNT | *MiNT[0-9]*)
- basic_machine=m68k-atari
+ cpu=m68k
+ vendor=atari
os=mint
;;
- mips3*-*)
- basic_machine=`echo "$basic_machine" | sed -e 's/mips3/mips64/'`
- ;;
- mips3*)
- basic_machine=`echo "$basic_machine" | sed -e 's/mips3/mips64/'`-unknown
- ;;
- ms1-*)
- basic_machine=`echo "$basic_machine" | sed -e 's/ms1-/mt-/'`
- ;;
news-3600 | risc-news)
- basic_machine=mips-sony
+ cpu=mips
+ vendor=sony
os=newsos
;;
next | m*-next)
- basic_machine=m68k-next
+ cpu=m68k
+ vendor=next
case $os in
nextstep* )
;;
@@ -876,441 +832,437 @@ case $basic_machine in
esac
;;
np1)
- basic_machine=np1-gould
+ cpu=np1
+ vendor=gould
;;
op50n-* | op60c-*)
- basic_machine=hppa1.1-oki
+ cpu=hppa1.1
+ vendor=oki
os=proelf
;;
- openrisc | openrisc-*)
- basic_machine=or32-unknown
- ;;
pa-hitachi)
- basic_machine=hppa1.1-hitachi
+ cpu=hppa1.1
+ vendor=hitachi
os=hiuxwe2
;;
- parisc-*)
- basic_machine=hppa-`echo "$basic_machine" | sed 's/^[^-]*-//'`
- os=linux
- ;;
pbd)
- basic_machine=sparc-tti
+ cpu=sparc
+ vendor=tti
;;
pbb)
- basic_machine=m68k-tti
+ cpu=m68k
+ vendor=tti
;;
- pc532 | pc532-*)
- basic_machine=ns32k-pc532
+ pc532)
+ cpu=ns32k
+ vendor=pc532
;;
- pc98-*)
- basic_machine=i386-`echo "$basic_machine" | sed 's/^[^-]*-//'`
+ pn)
+ cpu=pn
+ vendor=gould
;;
- pentium | p5 | k5 | k6 | nexgen | viac3)
- basic_machine=i586-pc
+ power)
+ cpu=power
+ vendor=ibm
;;
- pentiumpro | p6 | 6x86 | athlon | athlon_*)
- basic_machine=i686-pc
+ ps2)
+ cpu=i386
+ vendor=ibm
;;
- pentiumii | pentium2 | pentiumiii | pentium3)
- basic_machine=i686-pc
+ rm[46]00)
+ cpu=mips
+ vendor=siemens
;;
- pentium4)
- basic_machine=i786-pc
+ rtpc | rtpc-*)
+ cpu=romp
+ vendor=ibm
;;
- pentium-* | p5-* | k5-* | k6-* | nexgen-* | viac3-*)
- basic_machine=i586-`echo "$basic_machine" | sed 's/^[^-]*-//'`
+ sde)
+ cpu=mipsisa32
+ vendor=sde
+ os=${os:-elf}
;;
- pentiumpro-* | p6-* | 6x86-* | athlon-*)
- basic_machine=i686-`echo "$basic_machine" | sed 's/^[^-]*-//'`
+ simso-wrs)
+ cpu=sparclite
+ vendor=wrs
+ os=vxworks
;;
- pentiumii-* | pentium2-* | pentiumiii-* | pentium3-*)
- basic_machine=i686-`echo "$basic_machine" | sed 's/^[^-]*-//'`
+ tower | tower-32)
+ cpu=m68k
+ vendor=ncr
;;
- pentium4-*)
- basic_machine=i786-`echo "$basic_machine" | sed 's/^[^-]*-//'`
+ vpp*|vx|vx-*)
+ cpu=f301
+ vendor=fujitsu
;;
- pn)
- basic_machine=pn-gould
+ w65)
+ cpu=w65
+ vendor=wdc
;;
- power) basic_machine=power-ibm
+ w89k-*)
+ cpu=hppa1.1
+ vendor=winbond
+ os=proelf
;;
- ppc | ppcbe) basic_machine=powerpc-unknown
+ none)
+ cpu=none
+ vendor=none
;;
- ppc-* | ppcbe-*)
- basic_machine=powerpc-`echo "$basic_machine" | sed 's/^[^-]*-//'`
+ leon|leon[3-9])
+ cpu=sparc
+ vendor=$basic_machine
;;
- ppcle | powerpclittle)
- basic_machine=powerpcle-unknown
+ leon-*|leon[3-9]-*)
+ cpu=sparc
+ vendor=`echo "$basic_machine" | sed 's/-.*//'`
;;
- ppcle-* | powerpclittle-*)
- basic_machine=powerpcle-`echo "$basic_machine" | sed 's/^[^-]*-//'`
+
+ *-*)
+ IFS="-" read -r cpu vendor <<EOF
+$basic_machine
+EOF
;;
- ppc64) basic_machine=powerpc64-unknown
+ # We use `pc' rather than `unknown'
+ # because (1) that's what they normally are, and
+ # (2) the word "unknown" tends to confuse beginning users.
+ i*86 | x86_64)
+ cpu=$basic_machine
+ vendor=pc
;;
- ppc64-*) basic_machine=powerpc64-`echo "$basic_machine" | sed 's/^[^-]*-//'`
+ # These rules are duplicated from below for sake of the special case above;
+ # i.e. things that normalized to x86 arches should also default to "pc"
+ pc98)
+ cpu=i386
+ vendor=pc
;;
- ppc64le | powerpc64little)
- basic_machine=powerpc64le-unknown
+ x64 | amd64)
+ cpu=x86_64
+ vendor=pc
;;
- ppc64le-* | powerpc64little-*)
- basic_machine=powerpc64le-`echo "$basic_machine" | sed 's/^[^-]*-//'`
+ # Recognize the basic CPU types without company name.
+ *)
+ cpu=$basic_machine
+ vendor=unknown
;;
- ps2)
- basic_machine=i386-ibm
+esac
+
+unset -v basic_machine
+
+# Decode basic machines in the full and proper CPU-Company form.
+case $cpu-$vendor in
+ # Here we handle the default manufacturer of certain CPU types in cannonical form. It is in
+ # some cases the only manufacturer, in others, it is the most popular.
+ craynv-unknown)
+ vendor=cray
+ os=${os:-unicosmp}
;;
- rm[46]00)
- basic_machine=mips-siemens
+ c90-unknown | c90-cray)
+ vendor=cray
+ os=${os:-unicos}
;;
- rtpc | rtpc-*)
- basic_machine=romp-ibm
+ fx80-unknown)
+ vendor=alliant
;;
- sb1)
- basic_machine=mipsisa64sb1-unknown
+ romp-unknown)
+ vendor=ibm
;;
- sb1el)
- basic_machine=mipsisa64sb1el-unknown
+ mmix-unknown)
+ vendor=knuth
;;
- sde)
- basic_machine=mipsisa32-sde
- os=${os:-elf}
+ microblaze-unknown | microblazeel-unknown)
+ vendor=xilinx
;;
- sh5el)
- basic_machine=sh5le-unknown
+ rs6000-unknown)
+ vendor=ibm
;;
- sh5el-*)
- basic_machine=sh5le-`echo "$basic_machine" | sed 's/^[^-]*-//'`
+ vax-unknown)
+ vendor=dec
;;
- simso-wrs)
- basic_machine=sparclite-wrs
- os=vxworks
+ pdp11-unknown)
+ vendor=dec
;;
- spur)
- basic_machine=spur-unknown
+ we32k-unknown)
+ vendor=att
;;
- strongarm-* | thumb-*)
- basic_machine=arm-`echo "$basic_machine" | sed 's/^[^-]*-//'`
+ cydra-unknown)
+ vendor=cydrome
;;
- tx39)
- basic_machine=mipstx39-unknown
+ i370-ibm*)
+ vendor=ibm
;;
- tx39el)
- basic_machine=mipstx39el-unknown
+ orion-unknown)
+ vendor=highlevel
;;
- tower | tower-32)
- basic_machine=m68k-ncr
+ xps-unknown | xps100-unknown)
+ cpu=xps100
+ vendor=honeywell
;;
- vpp*|vx|vx-*)
- basic_machine=f301-fujitsu
+
+ # Here we normalize CPU types with a missing or matching vendor
+ dpx20-unknown | dpx20-bull)
+ cpu=rs6000
+ vendor=bull
+ os=${os:-bosx}
;;
- w65)
- basic_machine=w65-wdc
+
+ # Here we normalize CPU types irrespective of the vendor
+ amd64-*)
+ cpu=x86_64
;;
- w89k-*)
- basic_machine=hppa1.1-winbond
- os=proelf
+ blackfin-*)
+ cpu=bfin
+ os=linux
;;
- xscale-* | xscalee[bl]-*)
- basic_machine=`echo "$basic_machine" | sed 's/^xscale/arm/'`
+ c54x-*)
+ cpu=tic54x
;;
- none)
- basic_machine=none-none
+ c55x-*)
+ cpu=tic55x
;;
-
- c54x)
- basic_machine=tic54x-unknown
+ c6x-*)
+ cpu=tic6x
;;
- c55x)
- basic_machine=tic55x-unknown
+ e500v[12]-*)
+ cpu=powerpc
+ os=$os"spe"
;;
- c6x)
- basic_machine=tic6x-unknown
+ mips3*-*)
+ cpu=mips64
;;
- leon | leon[3-9])
- basic_machine=sparc-$basic_machine
+ ms1-*)
+ cpu=mt
;;
- m88110 | m680[12346]0 | m683?2 | m68360 | m5200 | v70)
+ m68knommu-*)
+ cpu=m68k
+ os=linux
;;
- ms1)
- basic_machine=mt-unknown
+ m9s12z-* | m68hcs12z-* | hcs12z-* | s12z-*)
+ cpu=s12z
;;
- strongarm | thumb | xscale)
- basic_machine=arm-unknown
+ openrisc-*)
+ cpu=or32
;;
- xscaleeb)
- basic_machine=armeb-unknown
+ parisc-*)
+ cpu=hppa
+ os=linux
;;
-
- xscaleel)
- basic_machine=armel-unknown
+ pentium-* | p5-* | k5-* | k6-* | nexgen-* | viac3-*)
+ cpu=i586
;;
-
- # We use `pc' rather than `unknown'
- # because (1) that's what they normally are, and
- # (2) the word "unknown" tends to confuse beginning users.
- i*86 | x86_64)
- basic_machine=$basic_machine-pc
+ pentiumpro-* | p6-* | 6x86-* | athlon-* | athalon_*-*)
+ cpu=i686
;;
- # These rules are duplicated from below for sake of the special case above;
- # i.e. things that normalized to x86 arches should also default to "pc"
- pc98)
- basic_machine=i386-pc
+ pentiumii-* | pentium2-* | pentiumiii-* | pentium3-*)
+ cpu=i686
;;
- x64 | amd64)
- basic_machine=x86_64-pc
+ pentium4-*)
+ cpu=i786
+ ;;
+ pc98-*)
+ cpu=i386
+ ;;
+ ppc-* | ppcbe-*)
+ cpu=powerpc
+ ;;
+ ppcle-* | powerpclittle-*)
+ cpu=powerpcle
+ ;;
+ ppc64-*)
+ cpu=powerpc64
+ ;;
+ ppc64le-* | powerpc64little-*)
+ cpu=powerpc64le
+ ;;
+ sb1-*)
+ cpu=mipsisa64sb1
+ ;;
+ sb1el-*)
+ cpu=mipsisa64sb1el
+ ;;
+ sh5e[lb]-*)
+ cpu=`echo "$cpu" | sed 's/^\(sh.\)e\(.\)$/\1\2e/'`
+ ;;
+ spur-*)
+ cpu=spur
+ ;;
+ strongarm-* | thumb-*)
+ cpu=arm
+ ;;
+ tx39-*)
+ cpu=mipstx39
+ ;;
+ tx39el-*)
+ cpu=mipstx39el
+ ;;
+ x64-*)
+ cpu=x86_64
+ ;;
+ xscale-* | xscalee[bl]-*)
+ cpu=`echo "$cpu" | sed 's/^xscale/arm/'`
;;
# Recognize the cannonical CPU Types that limit and/or modify the
# company names they are paired with.
- amd64-*)
- basic_machine=x86_64-`echo "$basic_machine" | sed 's/^[^-]*-//'`
- ;;
- cr16)
- basic_machine=cr16-unknown
- os=${os:-elf}
- ;;
cr16-*)
os=${os:-elf}
;;
- crisv32 | crisv32-* | etraxfs*)
- basic_machine=crisv32-axis
+ crisv32-* | etraxfs*-*)
+ cpu=crisv32
+ vendor=axis
;;
- cris | cris-* | etrax*)
- basic_machine=cris-axis
+ cris-* | etrax*-*)
+ cpu=cris
+ vendor=axis
;;
crx-*)
os=${os:-elf}
;;
- crx)
- basic_machine=crx-unknown
- os=${os:-elf}
- ;;
- m9s12z | m68hcs12z | hcs12z | s12z)
- basic_machine=s12z-unknown
- ;;
- m9s12z-* | m68hcs12z-* | hcs12z-* | s12z-*)
- basic_machine=s12z-`echo "$basic_machine" | sed 's/^[^-]*-//'`
- ;;
neo-tandem)
- basic_machine=neo-tandem
+ cpu=neo
+ vendor=tandem
;;
nse-tandem)
- basic_machine=nse-tandem
+ cpu=nse
+ vendor=tandem
;;
nsr-tandem)
- basic_machine=nsr-tandem
+ cpu=nsr
+ vendor=tandem
;;
nsv-tandem)
- basic_machine=nsv-tandem
+ cpu=nsv
+ vendor=tandem
;;
nsx-tandem)
- basic_machine=nsx-tandem
+ cpu=nsx
+ vendor=tandem
;;
- s390 | s390-*)
- basic_machine=s390-ibm
+ s390-*)
+ cpu=s390
+ vendor=ibm
;;
- s390x | s390x-*)
- basic_machine=s390x-ibm
+ s390x-*)
+ cpu=s390x
+ vendor=ibm
;;
tile*-*)
os=${os:-linux-gnu}
;;
- tile*)
- basic_machine=$basic_machine-unknown
- os=${os:-linux-gnu}
- ;;
-
- # Recognize the cannonical CPU types that are allowed with any
- # company name.
- 1750a-* | 580-* \
- | a29k-* \
- | aarch64-* | aarch64_be-* \
- | abacus-* \
- | alpha-* | alphaev[4-8]-* | alphaev56-* | alphaev6[78]-* \
- | alpha64-* | alpha64ev[4-8]-* | alpha64ev56-* | alpha64ev6[78]-* \
- | alphapca5[67]-* | alpha64pca5[67]-* \
- | am33_2.0-* \
- | arc-* | arceb-* \
- | arm-* | arm[lb]e-* | arme[lb]-* | armv*-* \
- | avr-* | avr32-* \
- | asmjs-* \
- | ba-* \
- | be32-* | be64-* \
- | bfin-* | bs2000-* \
- | c[123]* | c30-* | [cjt]90-* | c4x-* \
- | c8051-* | clipper-* | craynv-* | csky-* | cydra-* \
- | d10v-* | d30v-* | dlx-* | dsp16xx-* \
- | e2k-* | elxsi-* | epiphany-* \
- | f30[01]-* | f700-* | fido-* | fr30-* | frv-* | ft32-* | fx80-* \
- | h8300-* | h8500-* \
- | hppa-* | hppa1.[01]-* | hppa2.0-* | hppa2.0[nw]-* | hppa64-* \
- | hexagon-* \
- | i370-* | i*86-* | i860-* | i960-* | ia16-* | ia64-* \
- | ip2k-* | iq2000-* \
- | k1om-* \
- | le32-* | le64-* \
- | lm32-* \
- | m32c-* | m32r-* | m32rle-* \
- | m5200-* | m68000-* | m680[012346]0-* | m68360-* | m683?2-* | m68k-* | v70-* | w65-* \
- | m6811-* | m68hc11-* | m6812-* | m68hc12-* | m68hcs12x-* | nvptx-* | picochip-* \
- | m88110-* | m88k-* | maxq-* | mb-* | mcore-* | mep-* | metag-* \
- | microblaze-* | microblazeel-* \
- | mips-* | mipsbe-* | mipseb-* | mipsel-* | mipsle-* \
- | mips16-* \
- | mips64-* | mips64el-* \
- | mips64octeon-* | mips64octeonel-* \
- | mips64orion-* | mips64orionel-* \
- | mips64r5900-* | mips64r5900el-* \
- | mips64vr-* | mips64vrel-* \
- | mips64vr4100-* | mips64vr4100el-* \
- | mips64vr4300-* | mips64vr4300el-* \
- | mips64vr5000-* | mips64vr5000el-* \
- | mips64vr5900-* | mips64vr5900el-* \
- | mipsisa32-* | mipsisa32el-* \
- | mipsisa32r2-* | mipsisa32r2el-* \
- | mipsisa32r6-* | mipsisa32r6el-* \
- | mipsisa64-* | mipsisa64el-* \
- | mipsisa64r2-* | mipsisa64r2el-* \
- | mipsisa64r6-* | mipsisa64r6el-* \
- | mipsisa64sb1-* | mipsisa64sb1el-* \
- | mipsisa64sr71k-* | mipsisa64sr71kel-* \
- | mipsr5900-* | mipsr5900el-* \
- | mipstx39-* | mipstx39el-* \
- | mmix-* \
- | mn10200-* | mn10300-* \
- | moxie-* \
- | mt-* \
- | msp430-* \
- | nds32-* | nds32le-* | nds32be-* \
- | nfp-* \
- | nios-* | nios2-* | nios2eb-* | nios2el-* \
- | none-* | np1-* | ns16k-* | ns32k-* \
- | open8-* \
- | or1k*-* \
- | or32-* \
- | orion-* \
- | pdp10-* | pdp11-* | pj-* | pjl-* | pn-* | power-* \
- | powerpc-* | powerpc64-* | powerpc64le-* | powerpcle-* | powerpcspe-* \
- | pru-* \
- | pyramid-* \
- | riscv-* | riscv32-* | riscv64-* \
- | rl78-* | romp-* | rs6000-* | rx-* \
- | score-* \
- | sh-* | sh[1234]-* | sh[24]a-* | sh[24]ae[lb]-* | sh[23]e-* | she[lb]-* | sh[lb]e-* \
- | sh[1234]e[lb]-* | sh[12345][lb]e-* | sh[23]ele-* | sh64-* | sh64le-* \
- | sparc-* | sparc64-* | sparc64b-* | sparc64v-* | sparc86x-* | sparclet-* \
- | sparclite-* \
- | sparcv8-* | sparcv9-* | sparcv9b-* | sparcv9v-* | sv1-* | sx*-* \
- | spu-* \
- | tahoe-* \
- | tic30-* | tic4x-* | tic54x-* | tic55x-* | tic6x-* | tic80-* \
- | tron-* \
- | ubicom32-* \
- | v850-* | v850e-* | v850e1-* | v850es-* | v850e2-* | v850e2v3-* \
- | vax-* \
- | visium-* \
- | wasm32-* \
- | we32k-* \
- | x86-* | x86_64-* | xc16x-* | xgate-* | xps100-* \
- | xstormy16-* | xtensa*-* \
- | ymp-* \
- | z8k-* | z80-*)
- ;;
-
- # Recognize the basic CPU types without company name.
- # Some are omitted here because they have special meanings below.
- 1750a | 580 \
- | a29k \
- | aarch64 | aarch64_be \
- | abacus \
- | alpha | alphaev[4-8] | alphaev56 | alphaev6[78] | alphapca5[67] \
- | alpha64 | alpha64ev[4-8] | alpha64ev56 | alpha64ev6[78] | alpha64pca5[67] \
- | am33_2.0 \
- | arc | arceb \
- | arm | arm[bl]e | arme[lb] | armv[2-8] | armv[3-8][lb] | armv6m | armv[78][arm] \
- | avr | avr32 \
- | asmjs \
- | ba \
- | be32 | be64 \
- | bfin \
- | c4x | c8051 | clipper | csky \
- | d10v | d30v | dlx | dsp16xx \
- | e2k | epiphany \
- | fido | fr30 | frv | ft32 \
- | h8300 | h8500 | hppa | hppa1.[01] | hppa2.0 | hppa2.0[nw] | hppa64 \
- | hexagon \
- | i370 | i860 | i960 | ia16 | ia64 \
- | ip2k | iq2000 \
- | k1om \
- | le32 | le64 \
- | lm32 \
- | m32c | m32r | m32rle | m68000 | m68k | m88k \
- | m6811 | m68hc11 | m6812 | m68hc12 | m68hcs12x | nvptx | picochip \
- | maxq | mb | mcore | mep | metag \
- | mips | mipsbe | mipseb | mipsel | mipsle \
- | mips16 \
- | mips64 | mips64el \
- | mips64octeon | mips64octeonel \
- | mips64orion | mips64orionel \
- | mips64r5900 | mips64r5900el \
- | mips64vr | mips64vrel \
- | mips64vr4100 | mips64vr4100el \
- | mips64vr4300 | mips64vr4300el \
- | mips64vr5000 | mips64vr5000el \
- | mips64vr5900 | mips64vr5900el \
- | mipsisa32 | mipsisa32el \
- | mipsisa32r2 | mipsisa32r2el \
- | mipsisa32r6 | mipsisa32r6el \
- | mipsisa64 | mipsisa64el \
- | mipsisa64r2 | mipsisa64r2el \
- | mipsisa64r6 | mipsisa64r6el \
- | mipsisa64sb1 | mipsisa64sb1el \
- | mipsisa64sr71k | mipsisa64sr71kel \
- | mipsr5900 | mipsr5900el \
- | mipstx39 | mipstx39el \
- | mn10200 | mn10300 \
- | moxie \
- | mt \
- | msp430 \
- | nds32 | nds32le | nds32be \
- | nfp \
- | nios | nios2 | nios2eb | nios2el \
- | ns16k | ns32k \
- | open8 | or1k | or1knd | or32 \
- | pdp10 | pj | pjl \
- | powerpc | powerpc64 | powerpc64le | powerpcle | powerpcspe \
- | pru \
- | pyramid \
- | riscv | riscv32 | riscv64 \
- | rl78 | rx \
- | score \
- | sh | sh[1234] | sh[24]a | sh[24]aeb | sh[23]e | sh[234]eb | sheb | shbe | shle | sh[1234]le | sh[23]ele \
- | sh64 | sh64le \
- | sparc | sparc64 | sparc64b | sparc64v | sparc86x | sparclet | sparclite \
- | sparcv8 | sparcv9 | sparcv9b | sparcv9v \
- | spu \
- | tahoe | tic4x | tic54x | tic55x | tic6x | tic80 | tron \
- | ubicom32 \
- | v850 | v850e | v850e1 | v850e2 | v850es | v850e2v3 \
- | visium \
- | wasm32 \
- | x86 | xc16x | xstormy16 | xgate | xtensa* \
- | z8k | z80)
- basic_machine=$basic_machine-unknown
- ;;
*)
- echo Invalid configuration \`"$1"\': machine \`"$basic_machine"\' not recognized 1>&2
- exit 1
+ # Recognize the cannonical CPU types that are allowed with any
+ # company name.
+ case $cpu in
+ 1750a | 580 \
+ | a29k \
+ | aarch64 | aarch64_be \
+ | abacus \
+ | alpha | alphaev[4-8] | alphaev56 | alphaev6[78] \
+ | alpha64 | alpha64ev[4-8] | alpha64ev56 | alpha64ev6[78] \
+ | alphapca5[67] | alpha64pca5[67] \
+ | am33_2.0 \
+ | arc | arceb \
+ | arm | arm[lb]e | arme[lb] | armv* \
+ | avr | avr32 \
+ | asmjs \
+ | ba \
+ | be32 | be64 \
+ | bfin | bs2000 \
+ | c[123]* | c30 | [cjt]90 | c4x \
+ | c8051 | clipper | craynv | csky | cydra \
+ | d10v | d30v | dlx | dsp16xx \
+ | e2k | elxsi | epiphany \
+ | f30[01] | f700 | fido | fr30 | frv | ft32 | fx80 \
+ | h8300 | h8500 \
+ | hppa | hppa1.[01] | hppa2.0 | hppa2.0[nw] | hppa64 \
+ | hexagon \
+ | i370 | i*86 | i860 | i960 | ia16 | ia64 \
+ | ip2k | iq2000 \
+ | k1om \
+ | le32 | le64 \
+ | lm32 \
+ | m32c | m32r | m32rle \
+ | m5200 | m68000 | m680[012346]0 | m68360 | m683?2 | m68k | v70 | w65 \
+ | m6811 | m68hc11 | m6812 | m68hc12 | m68hcs12x | nvptx | picochip \
+ | m88110 | m88k | maxq | mb | mcore | mep | metag \
+ | microblaze | microblazeel \
+ | mips | mipsbe | mipseb | mipsel | mipsle \
+ | mips16 \
+ | mips64 | mips64el \
+ | mips64octeon | mips64octeonel \
+ | mips64orion | mips64orionel \
+ | mips64r5900 | mips64r5900el \
+ | mips64vr | mips64vrel \
+ | mips64vr4100 | mips64vr4100el \
+ | mips64vr4300 | mips64vr4300el \
+ | mips64vr5000 | mips64vr5000el \
+ | mips64vr5900 | mips64vr5900el \
+ | mipsisa32 | mipsisa32el \
+ | mipsisa32r2 | mipsisa32r2el \
+ | mipsisa32r6 | mipsisa32r6el \
+ | mipsisa64 | mipsisa64el \
+ | mipsisa64r2 | mipsisa64r2el \
+ | mipsisa64r6 | mipsisa64r6el \
+ | mipsisa64sb1 | mipsisa64sb1el \
+ | mipsisa64sr71k | mipsisa64sr71kel \
+ | mipsr5900 | mipsr5900el \
+ | mipstx39 | mipstx39el \
+ | mmix \
+ | mn10200 | mn10300 \
+ | moxie \
+ | mt \
+ | msp430 \
+ | nds32 | nds32le | nds32be \
+ | nfp \
+ | nios | nios2 | nios2eb | nios2el \
+ | none | np1 | ns16k | ns32k \
+ | open8 \
+ | or1k* \
+ | or32 \
+ | orion \
+ | pdp10 | pdp11 | pj | pjl | pn | power \
+ | powerpc | powerpc64 | powerpc64le | powerpcle | powerpcspe \
+ | pru \
+ | pyramid \
+ | riscv | riscv32 | riscv64 \
+ | rl78 | romp | rs6000 | rx \
+ | score \
+ | sh | sh[1234] | sh[24]a | sh[24]ae[lb] | sh[23]e | she[lb] | sh[lb]e \
+ | sh[1234]e[lb] | sh[12345][lb]e | sh[23]ele | sh64 | sh64le \
+ | sparc | sparc64 | sparc64b | sparc64v | sparc86x | sparclet \
+ | sparclite \
+ | sparcv8 | sparcv9 | sparcv9b | sparcv9v | sv1 | sx* \
+ | spu \
+ | tahoe \
+ | tic30 | tic4x | tic54x | tic55x | tic6x | tic80 \
+ | tron \
+ | ubicom32 \
+ | v850 | v850e | v850e1 | v850es | v850e2 | v850e2v3 \
+ | vax \
+ | visium \
+ | wasm32 \
+ | we32k \
+ | x86 | x86_64 | xc16x | xgate | xps100 \
+ | xstormy16 | xtensa* \
+ | ymp \
+ | z8k | z80)
+ ;;
+
+ *)
+ echo Invalid configuration \`"$1"\': machine \`"$cpu-$vendor"\' not recognized 1>&2
+ exit 1
+ ;;
+ esac
;;
esac
# Here we canonicalize certain aliases for manufacturers.
-case $basic_machine in
- *-digital*)
- basic_machine=`echo "$basic_machine" | sed 's/digital.*/dec/'`
+case $vendor in
+ digital*)
+ vendor=dec
;;
- *-commodore*)
- basic_machine=`echo "$basic_machine" | sed 's/commodore.*/cbm/'`
+ commodore*)
+ vendor=cbm
;;
*)
;;
@@ -1412,8 +1364,8 @@ case $os in
# Remember, each alternative MUST END IN *, to match a version number.
;;
qnx*)
- case $basic_machine in
- x86-* | i*86-*)
+ case $cpu in
+ x86 | i*86)
;;
*)
os=nto-$os
@@ -1539,7 +1491,7 @@ case $os in
# Until real need of OS specific support for
# particular features comes up, bare metal
# configurations are quite functional.
- case $basic_machine in
+ case $cpu in
arm*)
os=eabi
;;
@@ -1573,7 +1525,7 @@ else
# will signal an error saying that MANUFACTURER isn't an operating
# system, and we'll never get to this point.
-case $basic_machine in
+case $cpu-$vendor in
score-*)
os=elf
;;
@@ -1754,9 +1706,8 @@ fi
# Here we handle the case where we know the os, and the CPU type, but not the
# manufacturer. We pick the logical manufacturer.
-vendor=unknown
-case $basic_machine in
- *-unknown)
+case $vendor in
+ unknown)
case $os in
riscix*)
vendor=acorn
@@ -1825,11 +1776,10 @@ case $basic_machine in
vendor=stratus
;;
esac
- basic_machine=`echo "$basic_machine" | sed "s/unknown/$vendor/"`
;;
esac
-echo "$basic_machine-$os"
+echo "$cpu-$vendor-$os"
exit
# Local variables:
diff --git a/lib/dtotimespec.c b/lib/dtotimespec.c
index 599f7427a9b..dcbd28051cf 100644
--- a/lib/dtotimespec.c
+++ b/lib/dtotimespec.c
@@ -32,20 +32,20 @@ dtotimespec (double sec)
if (! (TYPE_MINIMUM (time_t) < sec))
return make_timespec (TYPE_MINIMUM (time_t), 0);
else if (! (sec < 1.0 + TYPE_MAXIMUM (time_t)))
- return make_timespec (TYPE_MAXIMUM (time_t), TIMESPEC_RESOLUTION - 1);
+ return make_timespec (TYPE_MAXIMUM (time_t), TIMESPEC_HZ - 1);
else
{
time_t s = sec;
- double frac = TIMESPEC_RESOLUTION * (sec - s);
+ double frac = TIMESPEC_HZ * (sec - s);
long ns = frac;
ns += ns < frac;
- s += ns / TIMESPEC_RESOLUTION;
- ns %= TIMESPEC_RESOLUTION;
+ s += ns / TIMESPEC_HZ;
+ ns %= TIMESPEC_HZ;
if (ns < 0)
{
s--;
- ns += TIMESPEC_RESOLUTION;
+ ns += TIMESPEC_HZ;
}
return make_timespec (s, ns);
diff --git a/lib/fcntl.c b/lib/fcntl.c
index be6583565b4..8e976173c0b 100644
--- a/lib/fcntl.c
+++ b/lib/fcntl.c
@@ -329,6 +329,12 @@ rpl_fcntl (int fd, int action, /* arg */...)
result = dupfd (fd, target, O_CLOEXEC);
break;
#else /* HAVE_FCNTL */
+# if defined __HAIKU__
+ /* On Haiku, the system fcntl (fd, F_DUPFD_CLOEXEC, target) sets
+ the FD_CLOEXEC flag on fd, not on target. Therefore avoid the
+ system fcntl in this case. */
+# define have_dupfd_cloexec -1
+# else
/* Try the system call first, if the headers claim it exists
(that is, if GNULIB_defined_F_DUPFD_CLOEXEC is 0), since we
may be running with a glibc that has the macro but with an
@@ -343,10 +349,10 @@ rpl_fcntl (int fd, int action, /* arg */...)
if (0 <= result || errno != EINVAL)
{
have_dupfd_cloexec = 1;
-# if REPLACE_FCHDIR
+# if REPLACE_FCHDIR
if (0 <= result)
result = _gl_register_dup (fd, result);
-# endif
+# endif
}
else
{
@@ -357,6 +363,7 @@ rpl_fcntl (int fd, int action, /* arg */...)
}
}
else
+# endif
result = rpl_fcntl (fd, F_DUPFD, target);
if (0 <= result && have_dupfd_cloexec == -1)
{
@@ -405,8 +412,183 @@ rpl_fcntl (int fd, int action, /* arg */...)
default:
{
#if HAVE_FCNTL
- void *p = va_arg (arg, void *);
- result = fcntl (fd, action, p);
+ switch (action)
+ {
+ #ifdef F_BARRIERFSYNC /* macOS */
+ case F_BARRIERFSYNC:
+ #endif
+ #ifdef F_CHKCLEAN /* macOS */
+ case F_CHKCLEAN:
+ #endif
+ #ifdef F_CLOSEM /* NetBSD, HP-UX */
+ case F_CLOSEM:
+ #endif
+ #ifdef F_FLUSH_DATA /* macOS */
+ case F_FLUSH_DATA:
+ #endif
+ #ifdef F_FREEZE_FS /* macOS */
+ case F_FREEZE_FS:
+ #endif
+ #ifdef F_FULLFSYNC /* macOS */
+ case F_FULLFSYNC:
+ #endif
+ #ifdef F_GETCONFINED /* macOS */
+ case F_GETCONFINED:
+ #endif
+ #ifdef F_GETDEFAULTPROTLEVEL /* macOS */
+ case F_GETDEFAULTPROTLEVEL:
+ #endif
+ #ifdef F_GETFD /* POSIX */
+ case F_GETFD:
+ #endif
+ #ifdef F_GETFL /* POSIX */
+ case F_GETFL:
+ #endif
+ #ifdef F_GETLEASE /* Linux */
+ case F_GETLEASE:
+ #endif
+ #ifdef F_GETNOSIGPIPE /* macOS */
+ case F_GETNOSIGPIPE:
+ #endif
+ #ifdef F_GETOWN /* POSIX */
+ case F_GETOWN:
+ #endif
+ #ifdef F_GETPIPE_SZ /* Linux */
+ case F_GETPIPE_SZ:
+ #endif
+ #ifdef F_GETPROTECTIONCLASS /* macOS */
+ case F_GETPROTECTIONCLASS:
+ #endif
+ #ifdef F_GETPROTECTIONLEVEL /* macOS */
+ case F_GETPROTECTIONLEVEL:
+ #endif
+ #ifdef F_GET_SEALS /* Linux */
+ case F_GET_SEALS:
+ #endif
+ #ifdef F_GETSIG /* Linux */
+ case F_GETSIG:
+ #endif
+ #ifdef F_MAXFD /* NetBSD */
+ case F_MAXFD:
+ #endif
+ #ifdef F_RECYCLE /* macOS */
+ case F_RECYCLE:
+ #endif
+ #ifdef F_SETFIFOENH /* HP-UX */
+ case F_SETFIFOENH:
+ #endif
+ #ifdef F_THAW_FS /* macOS */
+ case F_THAW_FS:
+ #endif
+ /* These actions take no argument. */
+ result = fcntl (fd, action);
+ break;
+
+ #ifdef F_ADD_SEALS /* Linux */
+ case F_ADD_SEALS:
+ #endif
+ #ifdef F_BADFD /* Solaris */
+ case F_BADFD:
+ #endif
+ #ifdef F_CHECK_OPENEVT /* macOS */
+ case F_CHECK_OPENEVT:
+ #endif
+ #ifdef F_DUP2FD /* FreeBSD, AIX, Solaris */
+ case F_DUP2FD:
+ #endif
+ #ifdef F_DUP2FD_CLOEXEC /* FreeBSD, Solaris */
+ case F_DUP2FD_CLOEXEC:
+ #endif
+ #ifdef F_DUP2FD_CLOFORK /* Solaris */
+ case F_DUP2FD_CLOFORK:
+ #endif
+ #ifdef F_DUPFD /* POSIX */
+ case F_DUPFD:
+ #endif
+ #ifdef F_DUPFD_CLOEXEC /* POSIX */
+ case F_DUPFD_CLOEXEC:
+ #endif
+ #ifdef F_DUPFD_CLOFORK /* Solaris */
+ case F_DUPFD_CLOFORK:
+ #endif
+ #ifdef F_GETXFL /* Solaris */
+ case F_GETXFL:
+ #endif
+ #ifdef F_GLOBAL_NOCACHE /* macOS */
+ case F_GLOBAL_NOCACHE:
+ #endif
+ #ifdef F_MAKECOMPRESSED /* macOS */
+ case F_MAKECOMPRESSED:
+ #endif
+ #ifdef F_MOVEDATAEXTENTS /* macOS */
+ case F_MOVEDATAEXTENTS:
+ #endif
+ #ifdef F_NOCACHE /* macOS */
+ case F_NOCACHE:
+ #endif
+ #ifdef F_NODIRECT /* macOS */
+ case F_NODIRECT:
+ #endif
+ #ifdef F_NOTIFY /* Linux */
+ case F_NOTIFY:
+ #endif
+ #ifdef F_OPLKACK /* IRIX */
+ case F_OPLKACK:
+ #endif
+ #ifdef F_OPLKREG /* IRIX */
+ case F_OPLKREG:
+ #endif
+ #ifdef F_RDAHEAD /* macOS */
+ case F_RDAHEAD:
+ #endif
+ #ifdef F_SETBACKINGSTORE /* macOS */
+ case F_SETBACKINGSTORE:
+ #endif
+ #ifdef F_SETCONFINED /* macOS */
+ case F_SETCONFINED:
+ #endif
+ #ifdef F_SETFD /* POSIX */
+ case F_SETFD:
+ #endif
+ #ifdef F_SETFL /* POSIX */
+ case F_SETFL:
+ #endif
+ #ifdef F_SETLEASE /* Linux */
+ case F_SETLEASE:
+ #endif
+ #ifdef F_SETNOSIGPIPE /* macOS */
+ case F_SETNOSIGPIPE:
+ #endif
+ #ifdef F_SETOWN /* POSIX */
+ case F_SETOWN:
+ #endif
+ #ifdef F_SETPIPE_SZ /* Linux */
+ case F_SETPIPE_SZ:
+ #endif
+ #ifdef F_SETPROTECTIONCLASS /* macOS */
+ case F_SETPROTECTIONCLASS:
+ #endif
+ #ifdef F_SETSIG /* Linux */
+ case F_SETSIG:
+ #endif
+ #ifdef F_SINGLE_WRITER /* macOS */
+ case F_SINGLE_WRITER:
+ #endif
+ /* These actions take an 'int' argument. */
+ {
+ int x = va_arg (arg, int);
+ result = fcntl (fd, action, x);
+ }
+ break;
+
+ default:
+ /* Other actions take a pointer argument. */
+ {
+ void *p = va_arg (arg, void *);
+ result = fcntl (fd, action, p);
+ }
+ break;
+ }
#else
errno = EINVAL;
#endif
diff --git a/lib/intprops.h b/lib/intprops.h
index 3d6b3cf4d9b..cdaf6586cb6 100644
--- a/lib/intprops.h
+++ b/lib/intprops.h
@@ -342,8 +342,8 @@
Arguments should be free of side effects. */
#define _GL_BINARY_OP_OVERFLOW(a, b, op_result_overflow) \
op_result_overflow (a, b, \
- _GL_INT_MINIMUM ((1 ? 0 : (b)) + (a)), \
- _GL_INT_MAXIMUM ((1 ? 0 : (b)) + (a)))
+ _GL_INT_MINIMUM (_GL_INT_CONVERT (a, b)), \
+ _GL_INT_MAXIMUM (_GL_INT_CONVERT (a, b)))
/* Store the low-order bits of A + B, A - B, A * B, respectively, into *R.
Return 1 if the result overflows. See above for restrictions. */
diff --git a/lib/limits.in.h b/lib/limits.in.h
index 2c809d97ac4..89d7195488a 100644
--- a/lib/limits.in.h
+++ b/lib/limits.in.h
@@ -28,15 +28,32 @@
#ifndef _@GUARD_PREFIX@_LIMITS_H
#define _@GUARD_PREFIX@_LIMITS_H
-/* For HP-UX 11.31. */
-#if defined LONG_LONG_MIN && !defined LLONG_MIN
-# define LLONG_MIN LONG_LONG_MIN
+#ifndef LLONG_MIN
+# if defined LONG_LONG_MIN /* HP-UX 11.31 */
+# define LLONG_MIN LONG_LONG_MIN
+# elif defined LONGLONG_MIN /* IRIX 6.5 */
+# define LLONG_MIN LONGLONG_MIN
+# elif defined __GNUC__
+# define LLONG_MIN (- __LONG_LONG_MAX__ - 1LL)
+# endif
#endif
-#if defined LONG_LONG_MAX && !defined LLONG_MAX
-# define LLONG_MAX LONG_LONG_MAX
+#ifndef LLONG_MAX
+# if defined LONG_LONG_MAX /* HP-UX 11.31 */
+# define LLONG_MAX LONG_LONG_MAX
+# elif defined LONGLONG_MAX /* IRIX 6.5 */
+# define LLONG_MAX LONGLONG_MAX
+# elif defined __GNUC__
+# define LLONG_MAX __LONG_LONG_MAX__
+# endif
#endif
-#if defined ULONG_LONG_MAX && !defined ULLONG_MAX
-# define ULLONG_MAX ULONG_LONG_MAX
+#ifndef ULLONG_MAX
+# if defined ULONG_LONG_MAX /* HP-UX 11.31 */
+# define ULLONG_MAX ULONG_LONG_MAX
+# elif defined ULONGLONG_MAX /* IRIX 6.5 */
+# define ULLONG_MAX ULONGLONG_MAX
+# elif defined __GNUC__
+# define ULLONG_MAX (__LONG_LONG_MAX__ * 2ULL + 1ULL)
+# endif
#endif
/* The number of usable bits in an unsigned or signed integer type
@@ -53,6 +70,19 @@
#define _GL_COB8(n) (_GL_COB4 ((n) >> 4) + _GL_COB4 (n))
#define _GL_COB4(n) (!!((n) & 8) + !!((n) & 4) + !!((n) & 2) + !!((n) & 1))
+#ifndef WORD_BIT
+/* Assume 'int' is 32 bits wide. */
+# define WORD_BIT 32
+#endif
+#ifndef LONG_BIT
+/* Assume 'long' is 32 or 64 bits wide. */
+# if LONG_MAX == INT_MAX
+# define LONG_BIT 32
+# else
+# define LONG_BIT 64
+# endif
+#endif
+
/* Macros specified by ISO/IEC TS 18661-1:2014. */
#if (! defined ULLONG_WIDTH \
diff --git a/lib/mktime-internal.h b/lib/mktime-internal.h
index 92bdda6f6c3..31cf3a4dab2 100644
--- a/lib/mktime-internal.h
+++ b/lib/mktime-internal.h
@@ -35,3 +35,19 @@ typedef int mktime_offset_t;
time_t mktime_internal (struct tm *,
struct tm * (*) (time_t const *, struct tm *),
mktime_offset_t *);
+
+/* Although glibc source code uses leading underscores, Gnulib wants
+ ordinary names.
+
+ Portable standalone applications should supply a <time.h> that
+ declares a POSIX-compliant localtime_r, for the benefit of older
+ implementations that lack localtime_r or have a nonstandard one.
+ Similarly for gmtime_r. See the gnulib time_r module for one way
+ to implement this. */
+
+#undef __gmtime_r
+#undef __localtime_r
+#define __gmtime_r gmtime_r
+#define __localtime_r localtime_r
+
+#define __mktime_internal mktime_internal
diff --git a/lib/mktime.c b/lib/mktime.c
index 007adf14e8e..6953e984e5d 100644
--- a/lib/mktime.c
+++ b/lib/mktime.c
@@ -28,6 +28,8 @@
Macro/expression Which gnulib module This compilation unit
should define
+ _LIBC (glibc proper) mktime
+
NEED_MKTIME_WORKING mktime rpl_mktime
|| NEED_MKTIME_WINDOWS
@@ -51,25 +53,70 @@
#include <limits.h>
#include <stdbool.h>
+#include <stdlib.h>
+#include <string.h>
#include <intprops.h>
#include <verify.h>
#if DEBUG_MKTIME
# include <stdio.h>
-# include <stdlib.h>
-# include <string.h>
/* Make it work even if the system's libc has its own mktime routine. */
# undef mktime
# define mktime my_mktime
+#endif /* DEBUG_MKTIME */
+
+#ifndef NEED_MKTIME_INTERNAL
+# define NEED_MKTIME_INTERNAL 0
+#endif
+#ifndef NEED_MKTIME_WINDOWS
+# define NEED_MKTIME_WINDOWS 0
+#endif
+#ifndef NEED_MKTIME_WORKING
+# define NEED_MKTIME_WORKING DEBUG_MKTIME
#endif
-#if NEED_MKTIME_WINDOWS /* on native Windows */
-# include <stdlib.h>
-# include <string.h>
+#include "mktime-internal.h"
+
+#ifndef _LIBC
+static void
+my_tzset (void)
+{
+# if NEED_MKTIME_WINDOWS
+ /* Rectify the value of the environment variable TZ.
+ There are four possible kinds of such values:
+ - Traditional US time zone names, e.g. "PST8PDT". Syntax: see
+ <https://msdn.microsoft.com/en-us/library/90s5c885.aspx>
+ - Time zone names based on geography, that contain one or more
+ slashes, e.g. "Europe/Moscow".
+ - Time zone names based on geography, without slashes, e.g.
+ "Singapore".
+ - Time zone names that contain explicit DST rules. Syntax: see
+ <http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/V1_chap08.html#tag_08_03>
+ The Microsoft CRT understands only the first kind. It produces incorrect
+ results if the value of TZ is of the other kinds.
+ But in a Cygwin environment, /etc/profile.d/tzset.sh sets TZ to a value
+ of the second kind for most geographies, or of the first kind in a few
+ other geographies. If it is of the second kind, neutralize it. For the
+ Microsoft CRT, an absent or empty TZ means the time zone that the user
+ has set in the Windows Control Panel.
+ If the value of TZ is of the third or fourth kind -- Cygwin programs
+ understand these syntaxes as well --, it does not matter whether we
+ neutralize it or not, since these values occur only when a Cygwin user
+ has set TZ explicitly; this case is 1. rare and 2. under the user's
+ responsibility. */
+ const char *tz = getenv ("TZ");
+ if (tz != NULL && strchr (tz, '/') != NULL)
+ _putenv ("TZ=");
+# elif HAVE_TZSET
+ tzset ();
+# endif
+}
+# undef __tzset
+# define __tzset() my_tzset ()
#endif
-#if NEED_MKTIME_WORKING || NEED_MKTIME_INTERNAL || DEBUG_MKTIME
+#if defined _LIBC || NEED_MKTIME_WORKING || NEED_MKTIME_INTERNAL
/* A signed type that can represent an integer number of years
multiplied by three times the number of seconds in a year. It is
@@ -150,19 +197,6 @@ const unsigned short int __mon_yday[2][13] =
};
-#ifdef _LIBC
-typedef time_t mktime_offset_t;
-#else
-/* Portable standalone applications should supply a <time.h> that
- declares a POSIX-compliant localtime_r, for the benefit of older
- implementations that lack localtime_r or have a nonstandard one.
- See the gnulib time_r module for one way to implement this. */
-# undef __localtime_r
-# define __localtime_r localtime_r
-# define __mktime_internal mktime_internal
-# include "mktime-internal.h"
-#endif
-
/* Do the values A and B differ according to the rules for tm_isdst?
A and B differ if one is zero and the other positive. */
static bool
@@ -304,6 +338,7 @@ ranged_convert (struct tm *(*convert) (const time_t *, struct tm *),
return r;
}
+
/* Convert *TP to a time_t value, inverting
the monotonic and mostly-unit-linear conversion function CONVERT.
Use *OFFSET to keep track of a guess at the offset of the result,
@@ -355,6 +390,7 @@ __mktime_internal (struct tm *tp,
long_int lmday = mday;
long_int yday = mon_yday + lmday;
+ mktime_offset_t off = *offset;
int negative_offset_guess;
int sec_requested = sec;
@@ -372,7 +408,7 @@ __mktime_internal (struct tm *tp,
/* Invert CONVERT by probing. First assume the same offset as last
time. */
- INT_SUBTRACT_WRAPV (0, *offset, &negative_offset_guess);
+ INT_SUBTRACT_WRAPV (0, off, &negative_offset_guess);
t0 = ydhms_diff (year, yday, hour, min, sec,
EPOCH_YEAR - TM_YEAR_BASE, 0, 0, 0, negative_offset_guess);
@@ -478,64 +514,28 @@ __mktime_internal (struct tm *tp,
return t;
}
-#endif /* NEED_MKTIME_WORKING || NEED_MKTIME_INTERNAL || DEBUG_MKTIME */
+#endif /* _LIBC || NEED_MKTIME_WORKING || NEED_MKTIME_INTERNAL */
-#if NEED_MKTIME_WORKING || NEED_MKTIME_WINDOWS || DEBUG_MKTIME
-
-# if NEED_MKTIME_WORKING || DEBUG_MKTIME
-static mktime_offset_t localtime_offset;
-# endif
+#if defined _LIBC || NEED_MKTIME_WORKING || NEED_MKTIME_WINDOWS
/* Convert *TP to a time_t value. */
time_t
mktime (struct tm *tp)
{
-# if NEED_MKTIME_WINDOWS
- /* Rectify the value of the environment variable TZ.
- There are four possible kinds of such values:
- - Traditional US time zone names, e.g. "PST8PDT". Syntax: see
- <https://msdn.microsoft.com/en-us/library/90s5c885.aspx>
- - Time zone names based on geography, that contain one or more
- slashes, e.g. "Europe/Moscow".
- - Time zone names based on geography, without slashes, e.g.
- "Singapore".
- - Time zone names that contain explicit DST rules. Syntax: see
- <http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/V1_chap08.html#tag_08_03>
- The Microsoft CRT understands only the first kind. It produces incorrect
- results if the value of TZ is of the other kinds.
- But in a Cygwin environment, /etc/profile.d/tzset.sh sets TZ to a value
- of the second kind for most geographies, or of the first kind in a few
- other geographies. If it is of the second kind, neutralize it. For the
- Microsoft CRT, an absent or empty TZ means the time zone that the user
- has set in the Windows Control Panel.
- If the value of TZ is of the third or fourth kind -- Cygwin programs
- understand these syntaxes as well --, it does not matter whether we
- neutralize it or not, since these values occur only when a Cygwin user
- has set TZ explicitly; this case is 1. rare and 2. under the user's
- responsibility. */
- const char *tz = getenv ("TZ");
- if (tz != NULL && strchr (tz, '/') != NULL)
- _putenv ("TZ=");
-# endif
-
-# if NEED_MKTIME_WORKING || DEBUG_MKTIME
-# ifdef _LIBC
/* POSIX.1 8.1.1 requires that whenever mktime() is called, the
time zone names contained in the external variable 'tzname' shall
be set as if the tzset() function had been called. */
__tzset ();
-# elif HAVE_TZSET
- tzset ();
-# endif
+# if defined __LIBC || NEED_MKTIME_WORKING
+ static mktime_offset_t localtime_offset;
return __mktime_internal (tp, __localtime_r, &localtime_offset);
# else
# undef mktime
return mktime (tp);
# endif
}
-
-#endif /* NEED_MKTIME_WORKING || NEED_MKTIME_WINDOWS || DEBUG_MKTIME */
+#endif /* _LIBC || NEED_MKTIME_WORKING || NEED_MKTIME_WINDOWS */
#ifdef weak_alias
weak_alias (mktime, timelocal)
diff --git a/lib/stat-time.h b/lib/stat-time.h
index 8e787bd3b2d..69ebe85df1d 100644
--- a/lib/stat-time.h
+++ b/lib/stat-time.h
@@ -213,7 +213,7 @@ stat_time_normalize (int result, struct stat *st _GL_UNUSED)
#if defined __sun && defined STAT_TIMESPEC
if (result == 0)
{
- long int timespec_resolution = 1000000000;
+ long int timespec_hz = 1000000000;
short int const ts_off[] = { offsetof (struct stat, st_atim),
offsetof (struct stat, st_mtim),
offsetof (struct stat, st_ctim) };
@@ -221,11 +221,11 @@ stat_time_normalize (int result, struct stat *st _GL_UNUSED)
for (i = 0; i < sizeof ts_off / sizeof *ts_off; i++)
{
struct timespec *ts = (struct timespec *) ((char *) st + ts_off[i]);
- long int q = ts->tv_nsec / timespec_resolution;
- long int r = ts->tv_nsec % timespec_resolution;
+ long int q = ts->tv_nsec / timespec_hz;
+ long int r = ts->tv_nsec % timespec_hz;
if (r < 0)
{
- r += timespec_resolution;
+ r += timespec_hz;
q--;
}
ts->tv_nsec = r;
diff --git a/lib/strtol.c b/lib/strtol.c
index 55871b4c78c..f6f5c3268de 100644
--- a/lib/strtol.c
+++ b/lib/strtol.c
@@ -117,35 +117,6 @@
# define STRTOL_LONG_MIN LLONG_MIN
# define STRTOL_LONG_MAX LLONG_MAX
# define STRTOL_ULONG_MAX ULLONG_MAX
-
-/* The extra casts in the following macros work around compiler bugs,
- e.g., in Cray C 5.0.3.0. */
-
-/* True if the arithmetic type T is signed. */
-# define TYPE_SIGNED(t) (! ((t) 0 < (t) -1))
-
-/* Minimum and maximum values for integer types.
- These macros have undefined behavior for signed types that either
- have padding bits or do not use two's complement. If this is a
- problem for you, please let us know how to fix it for your host. */
-
-/* The maximum and minimum values for the integer type T. */
-# define TYPE_MINIMUM(t) ((t) ~ TYPE_MAXIMUM (t))
-# define TYPE_MAXIMUM(t) \
- ((t) (! TYPE_SIGNED (t) \
- ? (t) -1 \
- : ((((t) 1 << (sizeof (t) * CHAR_BIT - 2)) - 1) * 2 + 1)))
-
-# ifndef ULLONG_MAX
-# define ULLONG_MAX TYPE_MAXIMUM (unsigned long long)
-# endif
-# ifndef LLONG_MAX
-# define LLONG_MAX TYPE_MAXIMUM (long long int)
-# endif
-# ifndef LLONG_MIN
-# define LLONG_MIN TYPE_MINIMUM (long long int)
-# endif
-
# if __GNUC__ == 2 && __GNUC_MINOR__ < 7
/* Work around gcc bug with using this constant. */
static const unsigned long long int maxquad = ULLONG_MAX;
diff --git a/lib/timegm.c b/lib/timegm.c
index 7eb5ecbe330..9d9ab111251 100644
--- a/lib/timegm.c
+++ b/lib/timegm.c
@@ -1,20 +1,21 @@
/* Convert UTC calendar time to simple time. Like mktime but assumes UTC.
- Copyright (C) 1994, 1997, 2003-2004, 2006-2007, 2009-2018 Free Software
- Foundation, Inc. This file is part of the GNU C Library.
+ Copyright (C) 1994-2018 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 3, or (at your option)
- any later version.
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU General Public
+ License as published by the Free Software Foundation; either
+ version 3 of the License, or (at your option) any later version.
- This program is distributed in the hope that it will be useful,
+ 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 General Public License for more details.
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ General Public License for more details.
- You should have received a copy of the GNU General Public License
- along with this program; if not, see <https://www.gnu.org/licenses/>. */
+ You should have received a copy of the GNU General Public
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
#ifndef _LIBC
# include <config.h>
@@ -22,14 +23,7 @@
#include <time.h>
-#ifdef _LIBC
-typedef time_t mktime_offset_t;
-#else
-# undef __gmtime_r
-# define __gmtime_r gmtime_r
-# define __mktime_internal mktime_internal
-# include "mktime-internal.h"
-#endif
+#include "mktime-internal.h"
time_t
timegm (struct tm *tmp)
diff --git a/lib/timespec-add.c b/lib/timespec-add.c
index f6a8c38b33d..1913b979edd 100644
--- a/lib/timespec-add.c
+++ b/lib/timespec-add.c
@@ -18,7 +18,7 @@
/* Written by Paul Eggert. */
/* Return the sum of two timespec values A and B. On overflow, return
- an extremal value. This assumes 0 <= tv_nsec < TIMESPEC_RESOLUTION. */
+ an extremal value. This assumes 0 <= tv_nsec < TIMESPEC_HZ. */
#include <config.h>
#include "timespec.h"
@@ -31,7 +31,7 @@ timespec_add (struct timespec a, struct timespec b)
time_t rs = a.tv_sec;
time_t bs = b.tv_sec;
int ns = a.tv_nsec + b.tv_nsec;
- int nsd = ns - TIMESPEC_RESOLUTION;
+ int nsd = ns - TIMESPEC_HZ;
int rns = ns;
time_t tmin = TYPE_MINIMUM (time_t);
time_t tmax = TYPE_MAXIMUM (time_t);
@@ -63,7 +63,7 @@ timespec_add (struct timespec a, struct timespec b)
{
high_overflow:
rs = tmax;
- rns = TIMESPEC_RESOLUTION - 1;
+ rns = TIMESPEC_HZ - 1;
}
}
diff --git a/lib/timespec-sub.c b/lib/timespec-sub.c
index 398a6a5de47..9eac36e51ac 100644
--- a/lib/timespec-sub.c
+++ b/lib/timespec-sub.c
@@ -19,7 +19,7 @@
/* Return the difference between two timespec values A and B. On
overflow, return an extremal value. This assumes 0 <= tv_nsec <
- TIMESPEC_RESOLUTION. */
+ TIMESPEC_HZ. */
#include <config.h>
#include "timespec.h"
@@ -38,7 +38,7 @@ timespec_sub (struct timespec a, struct timespec b)
if (ns < 0)
{
- rns = ns + TIMESPEC_RESOLUTION;
+ rns = ns + TIMESPEC_HZ;
if (bs < tmax)
bs++;
else if (- TYPE_SIGNED (time_t) < rs)
@@ -63,7 +63,7 @@ timespec_sub (struct timespec a, struct timespec b)
else
{
rs = tmax;
- rns = TIMESPEC_RESOLUTION - 1;
+ rns = TIMESPEC_HZ - 1;
}
}
diff --git a/lib/timespec.h b/lib/timespec.h
index 94ba8d0b6a0..c414cfe45ee 100644
--- a/lib/timespec.h
+++ b/lib/timespec.h
@@ -35,11 +35,17 @@ extern "C" {
#include "verify.h"
-/* Resolution of timespec timestamps (in units per second), and log
- base 10 of the resolution. */
+/* Inverse resolution of timespec timestamps (in units per second),
+ and log base 10 of the inverse resolution. */
-enum { TIMESPEC_RESOLUTION = 1000000000 };
-enum { LOG10_TIMESPEC_RESOLUTION = 9 };
+enum { TIMESPEC_HZ = 1000000000 };
+enum { LOG10_TIMESPEC_HZ = 9 };
+
+/* Obsolescent names for backward compatibility.
+ They are misnomers, because TIMESPEC_RESOLUTION is not a resolution. */
+
+enum { TIMESPEC_RESOLUTION = TIMESPEC_HZ };
+enum { LOG10_TIMESPEC_RESOLUTION = LOG10_TIMESPEC_HZ };
/* Return a timespec with seconds S and nanoseconds NS. */
@@ -88,8 +94,8 @@ timespec_cmp (struct timespec a, struct timespec b)
/* Pacify gcc -Wstrict-overflow (bleeding-edge circa 2017-10-02). See:
https://lists.gnu.org/r/bug-gnulib/2017-10/msg00006.html */
- assume (-1 <= a.tv_nsec && a.tv_nsec <= 2 * TIMESPEC_RESOLUTION);
- assume (-1 <= b.tv_nsec && b.tv_nsec <= 2 * TIMESPEC_RESOLUTION);
+ assume (-1 <= a.tv_nsec && a.tv_nsec <= 2 * TIMESPEC_HZ);
+ assume (-1 <= b.tv_nsec && b.tv_nsec <= 2 * TIMESPEC_HZ);
return a.tv_nsec - b.tv_nsec;
}
diff --git a/lib/utimens.c b/lib/utimens.c
index e65f55d82fe..f6c4fe34c7c 100644
--- a/lib/utimens.c
+++ b/lib/utimens.c
@@ -91,11 +91,11 @@ validate_timespec (struct timespec timespec[2])
if ((timespec[0].tv_nsec != UTIME_NOW
&& timespec[0].tv_nsec != UTIME_OMIT
&& ! (0 <= timespec[0].tv_nsec
- && timespec[0].tv_nsec < TIMESPEC_RESOLUTION))
+ && timespec[0].tv_nsec < TIMESPEC_HZ))
|| (timespec[1].tv_nsec != UTIME_NOW
&& timespec[1].tv_nsec != UTIME_OMIT
&& ! (0 <= timespec[1].tv_nsec
- && timespec[1].tv_nsec < TIMESPEC_RESOLUTION)))
+ && timespec[1].tv_nsec < TIMESPEC_HZ)))
{
errno = EINVAL;
return -1;
diff --git a/m4/limits-h.m4 b/m4/limits-h.m4
index 83886634396..3a2cd91ead0 100644
--- a/m4/limits-h.m4
+++ b/m4/limits-h.m4
@@ -11,14 +11,18 @@ AC_DEFUN_ONCE([gl_LIMITS_H],
[
gl_CHECK_NEXT_HEADERS([limits.h])
- AC_CACHE_CHECK([whether limits.h has ULLONG_WIDTH etc.],
+ AC_CACHE_CHECK([whether limits.h has LLONG_MAX, WORD_BIT, ULLONG_WIDTH etc.],
[gl_cv_header_limits_width],
[AC_COMPILE_IFELSE(
- [AC_LANG_PROGRAM([[#ifndef __STDC_WANT_IEC_60559_BFP_EXT__
- #define __STDC_WANT_IEC_60559_BFP_EXT__ 1
- #endif
- #include <limits.h>
- int ullw = ULLONG_WIDTH;]])],
+ [AC_LANG_PROGRAM(
+ [[#ifndef __STDC_WANT_IEC_60559_BFP_EXT__
+ #define __STDC_WANT_IEC_60559_BFP_EXT__ 1
+ #endif
+ #include <limits.h>
+ long long llm = LLONG_MAX;
+ int wb = WORD_BIT;
+ int ullw = ULLONG_WIDTH;
+ ]])],
[gl_cv_header_limits_width=yes],
[gl_cv_header_limits_width=no])])
if test "$gl_cv_header_limits_width" = yes; then
diff --git a/m4/stddef_h.m4 b/m4/stddef_h.m4
index ba3d201cf37..07b040abdf1 100644
--- a/m4/stddef_h.m4
+++ b/m4/stddef_h.m4
@@ -1,5 +1,5 @@
dnl A placeholder for <stddef.h>, for platforms that have issues.
-# stddef_h.m4 serial 5
+# stddef_h.m4 serial 6
dnl Copyright (C) 2009-2018 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
@@ -10,13 +10,33 @@ AC_DEFUN([gl_STDDEF_H],
AC_REQUIRE([gl_STDDEF_H_DEFAULTS])
AC_REQUIRE([gt_TYPE_WCHAR_T])
STDDEF_H=
- AC_CHECK_TYPE([max_align_t], [], [HAVE_MAX_ALIGN_T=0; STDDEF_H=stddef.h],
- [[#include <stddef.h>
- ]])
+
+ dnl Test whether the type max_align_t exists and whether its alignment
+ dnl "is as great as is supported by the implementation in all contexts".
+ AC_CACHE_CHECK([for good max_align_t],
+ [gl_cv_type_max_align_t],
+ [AC_COMPILE_IFELSE(
+ [AC_LANG_PROGRAM(
+ [[#include <stddef.h>
+ unsigned int s = sizeof (max_align_t);
+ #if defined __GNUC__ || defined __IBM__ALIGNOF__
+ int check1[2 * (__alignof__ (double) <= __alignof__ (max_align_t)) - 1];
+ int check2[2 * (__alignof__ (long double) <= __alignof__ (max_align_t)) - 1];
+ #endif
+ ]])],
+ [gl_cv_type_max_align_t=yes],
+ [gl_cv_type_max_align_t=no])
+ ])
+ if test $gl_cv_type_max_align_t = no; then
+ HAVE_MAX_ALIGN_T=0
+ STDDEF_H=stddef.h
+ fi
+
if test $gt_cv_c_wchar_t = no; then
HAVE_WCHAR_T=0
STDDEF_H=stddef.h
fi
+
AC_CACHE_CHECK([whether NULL can be used in arbitrary expressions],
[gl_cv_decl_null_works],
[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <stddef.h>
@@ -28,6 +48,7 @@ AC_DEFUN([gl_STDDEF_H],
REPLACE_NULL=1
STDDEF_H=stddef.h
fi
+
AC_SUBST([STDDEF_H])
AM_CONDITIONAL([GL_GENERATE_STDDEF_H], [test -n "$STDDEF_H"])
if test -n "$STDDEF_H"; then
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