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mirror of https://github.com/jedisct1/libsodium.git synced 2024-12-20 02:25:14 -07:00

Don't use -Ofast; it's buggy on old gcc versions

This commit is contained in:
Frank Denis 2023-10-08 19:56:11 +02:00
parent ac6d3909eb
commit 7b5c887707
3 changed files with 114 additions and 89 deletions

155
build-aux/config.sub vendored
View File

@ -4,7 +4,7 @@
# shellcheck disable=SC2006,SC2268 # see below for rationale
timestamp='2023-07-31'
timestamp='2023-09-19'
# 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
@ -1181,7 +1181,7 @@ case $cpu-$vendor in
case $cpu in
1750a | 580 \
| a29k \
| aarch64 | aarch64c | aarch64_be \
| aarch64 | aarch64_be | aarch64c | arm64ec \
| abacus \
| alpha | alphaev[4-8] | alphaev56 | alphaev6[78] \
| alpha64 | alpha64ev[4-8] | alpha64ev56 | alpha64ev6[78] \
@ -1200,6 +1200,7 @@ case $cpu-$vendor in
| d10v | d30v | dlx | dsp16xx \
| e2k | elxsi | epiphany \
| f30[01] | f700 | fido | fr30 | frv | ft32 | fx80 \
| javascript \
| h8300 | h8500 \
| hppa | hppa1.[01] | hppa2.0 | hppa2.0[nw] | hppa64 \
| hexagon \
@ -1284,11 +1285,12 @@ esac
# Decode manufacturer-specific aliases for certain operating systems.
if test x$basic_os != x
if test x"$basic_os" != x
then
# First recognize some ad-hoc cases, or perhaps split kernel-os, or else just
# set os.
obj=
case $basic_os in
gnu/linux*)
kernel=linux
@ -1488,10 +1490,16 @@ case $os in
os=eabi
;;
*)
os=elf
os=
obj=elf
;;
esac
;;
aout* | coff* | elf* | pe*)
# These are machine code file formats, not OSes
obj=$os
os=
;;
*)
# No normalization, but not necessarily accepted, that comes below.
;;
@ -1510,12 +1518,15 @@ else
# system, and we'll never get to this point.
kernel=
obj=
case $cpu-$vendor in
score-*)
os=elf
os=
obj=elf
;;
spu-*)
os=elf
os=
obj=elf
;;
*-acorn)
os=riscix1.2
@ -1525,28 +1536,35 @@ case $cpu-$vendor in
os=gnu
;;
arm*-semi)
os=aout
os=
obj=aout
;;
c4x-* | tic4x-*)
os=coff
os=
obj=coff
;;
c8051-*)
os=elf
os=
obj=elf
;;
clipper-intergraph)
os=clix
;;
hexagon-*)
os=elf
os=
obj=elf
;;
tic54x-*)
os=coff
os=
obj=coff
;;
tic55x-*)
os=coff
os=
obj=coff
;;
tic6x-*)
os=coff
os=
obj=coff
;;
# This must come before the *-dec entry.
pdp10-*)
@ -1568,19 +1586,24 @@ case $cpu-$vendor in
os=sunos3
;;
m68*-cisco)
os=aout
os=
obj=aout
;;
mep-*)
os=elf
os=
obj=elf
;;
mips*-cisco)
os=elf
os=
obj=elf
;;
mips*-*)
os=elf
os=
obj=elf
;;
or32-*)
os=coff
os=
obj=coff
;;
*-tti) # must be before sparc entry or we get the wrong os.
os=sysv3
@ -1589,7 +1612,8 @@ case $cpu-$vendor in
os=sunos4.1.1
;;
pru-*)
os=elf
os=
obj=elf
;;
*-be)
os=beos
@ -1670,10 +1694,12 @@ case $cpu-$vendor in
os=uxpv
;;
*-rom68k)
os=coff
os=
obj=coff
;;
*-*bug)
os=coff
os=
obj=coff
;;
*-apple)
os=macos
@ -1691,7 +1717,8 @@ esac
fi
# Now, validate our (potentially fixed-up) OS.
# Now, validate our (potentially fixed-up) individual pieces (OS, OBJ).
case $os in
# Sometimes we do "kernel-libc", so those need to count as OSes.
musl* | newlib* | relibc* | uclibc*)
@ -1702,6 +1729,9 @@ case $os in
# VxWorks passes extra cpu info in the 4th filed.
simlinux | simwindows | spe)
;;
# See `case $cpu-$os` validation below
ghcjs)
;;
# Now accept the basic system types.
# The portable systems comes first.
# Each alternative MUST end in a * to match a version number.
@ -1719,11 +1749,11 @@ case $os in
| mirbsd* | netbsd* | dicos* | openedition* | ose* \
| bitrig* | openbsd* | secbsd* | solidbsd* | libertybsd* | os108* \
| ekkobsd* | freebsd* | riscix* | lynxos* | os400* \
| bosx* | nextstep* | cxux* | aout* | elf* | oabi* \
| ptx* | coff* | ecoff* | winnt* | domain* | vsta* \
| bosx* | nextstep* | cxux* | oabi* \
| ptx* | ecoff* | winnt* | domain* | vsta* \
| udi* | lites* | ieee* | go32* | aux* | hcos* \
| chorusrdb* | cegcc* | glidix* | serenity* \
| cygwin* | msys* | pe* | moss* | proelf* | rtems* \
| cygwin* | msys* | moss* | proelf* | rtems* \
| midipix* | mingw32* | mingw64* | mint* \
| uxpv* | beos* | mpeix* | udk* | moxiebox* \
| interix* | uwin* | mks* | rhapsody* | darwin* \
@ -1747,60 +1777,95 @@ case $os in
kernel* | msvc* )
# Restricted further below
;;
'')
if test x"$obj" = x
then
echo "Invalid configuration '$1': Blank OS only allowed with explicit machine code file format" 1>&2
fi
;;
*)
echo "Invalid configuration '$1': OS '$os' not recognized" 1>&2
exit 1
;;
esac
case $obj in
aout* | coff* | elf* | pe*)
;;
'')
# empty is fine
;;
*)
echo "Invalid configuration '$1': Machine code format '$obj' not recognized" 1>&2
exit 1
;;
esac
# Here we handle the constraint that a (synthetic) cpu and os are
# valid only in combination with each other and nowhere else.
case $cpu-$os in
# The "javascript-unknown-ghcjs" triple is used by GHC; we
# accept it here in order to tolerate that, but reject any
# variations.
javascript-ghcjs)
;;
javascript-* | *-ghcjs)
echo "Invalid configuration '$1': cpu '$cpu' is not valid with os '$os$obj'" 1>&2
exit 1
;;
esac
# As a final step for OS-related things, validate the OS-kernel combination
# (given a valid OS), if there is a kernel.
case $kernel-$os in
linux-gnu* | linux-dietlibc* | linux-android* | linux-newlib* \
| linux-musl* | linux-relibc* | linux-uclibc* | linux-mlibc* )
case $kernel-$os-$obj in
linux-gnu*- | linux-dietlibc*- | linux-android*- | linux-newlib*- \
| linux-musl*- | linux-relibc*- | linux-uclibc*- | linux-mlibc*- )
;;
uclinux-uclibc* )
uclinux-uclibc*- )
;;
managarm-mlibc* | managarm-kernel* )
managarm-mlibc*- | managarm-kernel*- )
;;
windows*-gnu* | windows*-msvc*)
windows*-msvc*-)
;;
-dietlibc* | -newlib* | -musl* | -relibc* | -uclibc* | -mlibc* )
-dietlibc*- | -newlib*- | -musl*- | -relibc*- | -uclibc*- | -mlibc*- )
# These are just libc implementations, not actual OSes, and thus
# require a kernel.
echo "Invalid configuration '$1': libc '$os' needs explicit kernel." 1>&2
exit 1
;;
-kernel* )
-kernel*- )
echo "Invalid configuration '$1': '$os' needs explicit kernel." 1>&2
exit 1
;;
*-kernel* )
*-kernel*- )
echo "Invalid configuration '$1': '$kernel' does not support '$os'." 1>&2
exit 1
;;
*-msvc* )
*-msvc*- )
echo "Invalid configuration '$1': '$os' needs 'windows'." 1>&2
exit 1
;;
kfreebsd*-gnu* | kopensolaris*-gnu*)
kfreebsd*-gnu*- | kopensolaris*-gnu*-)
;;
vxworks-simlinux | vxworks-simwindows | vxworks-spe)
vxworks-simlinux- | vxworks-simwindows- | vxworks-spe-)
;;
nto-qnx*)
nto-qnx*-)
;;
os2-emx)
os2-emx-)
;;
*-eabi* | *-gnueabi*)
*-eabi*- | *-gnueabi*-)
;;
none-coff* | none-elf*)
none--*)
# None (no kernel, i.e. freestanding / bare metal),
# can be paired with an output format "OS"
# can be paired with an machine code file format
;;
-*)
-*-)
# Blank kernel with real OS is always fine.
;;
*-*)
--*)
# Blank kernel and OS with real machine code file format is always fine.
;;
*-*-*)
echo "Invalid configuration '$1': Kernel '$kernel' not known to work with OS '$os'." 1>&2
exit 1
;;
@ -1884,7 +1949,7 @@ case $vendor in
;;
esac
echo "$cpu-$vendor-${kernel:+$kernel-}$os"
echo "$cpu-$vendor${kernel:+-$kernel}${os:+-$os}${obj:+-$obj}"
exit
# Local variables:

39
configure vendored
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@ -5294,43 +5294,6 @@ fi
if test "$sodium_CFLAGS" != "set" ; then
{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether C compiler accepts -Ofast" >&5
printf %s "checking whether C compiler accepts -Ofast... " >&6; }
if test ${ax_cv_check_cflags___Ofast+y}
then :
printf %s "(cached) " >&6
else $as_nop
ax_check_save_flags=$CFLAGS
CFLAGS="$CFLAGS -Ofast"
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
#include <time.h>
int
main (void)
{
time_t x; int fodder = 0; if (fodder > -1000 && time(&x)) return (int) x
;
return 0;
}
_ACEOF
if ac_fn_c_try_link "$LINENO"
then :
ax_cv_check_cflags___Ofast=yes
else $as_nop
ax_cv_check_cflags___Ofast=no
fi
rm -f core conftest.err conftest.$ac_objext conftest.beam \
conftest$ac_exeext conftest.$ac_ext
CFLAGS=$ax_check_save_flags
fi
{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ax_cv_check_cflags___Ofast" >&5
printf "%s\n" "$ax_cv_check_cflags___Ofast" >&6; }
if test "x$ax_cv_check_cflags___Ofast" = xyes
then :
CFLAGS="$CFLAGS -Ofast"
else $as_nop
{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether C compiler accepts -O3" >&5
printf %s "checking whether C compiler accepts -O3... " >&6; }
if test ${ax_cv_check_cflags___O3+y}
@ -5490,8 +5453,6 @@ fi
fi
fi
# Check whether --enable-ssp was given.
if test ${enable_ssp+y}

View File

@ -52,11 +52,10 @@ AC_USE_SYSTEM_EXTENSIONS
dnl Default optimization flags
if test "$sodium_CFLAGS" != "set" ; then
AX_CHECK_COMPILE_FLAG([-Ofast], [CFLAGS="$CFLAGS -Ofast"],
[AX_CHECK_COMPILE_FLAG([-O3], [CFLAGS="$CFLAGS -O3"],
AX_CHECK_COMPILE_FLAG([-O3], [CFLAGS="$CFLAGS -O3"],
[AX_CHECK_COMPILE_FLAG([-O2], [CFLAGS="$CFLAGS -O2"],
[AX_CHECK_COMPILE_FLAG([-O1], [CFLAGS="$CFLAGS -O1"],
[AX_CHECK_COMPILE_FLAG([-O], [CFLAGS="$CFLAGS -O"])])])])])
[AX_CHECK_COMPILE_FLAG([-O], [CFLAGS="$CFLAGS -O"])])])])
fi
dnl Switches