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powerpc64le: bump binutils version requirement to >= 2.26

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This is a small step up from 2.25 which brings in support for
rewriting the .gnu.attributes section of libc/libm.so.

Reviewed-by: Tulio Magno Quites Machado Filho <tuliom@linux.ibm.com>
This commit is contained in:
Paul E. Murphy 2020-03-05 09:32:08 -06:00
parent 50545f5aa0
commit 3a0acbdcc5
4 changed files with 77 additions and 0 deletions
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4
INSTALL
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@ -495,6 +495,10 @@ build the GNU C Library:
moment. As of release time, GNU 'binutils' 2.32 is the newest
verified to work to build the GNU C Library.
For PowerPC 64-bits little-endian (powerpc64le), 'objcopy' is
required to support '--update-section'. This option requires
binutils 2.26 or newer.
* GNU 'texinfo' 4.7 or later
To correctly translate and install the Texinfo documentation you

4
manual/install.texi
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@ -533,6 +533,10 @@ No other assembler or linker has the necessary functionality at the
moment. As of release time, GNU @code{binutils} 2.32 is the newest
verified to work to build @theglibc{}.
For PowerPC 64-bits little-endian (powerpc64le), @command{objcopy} is required
to support @option{--update-section}. This option requires binutils 2.26 or
newer.
@item
GNU @code{texinfo} 4.7 or later

63
sysdeps/powerpc/powerpc64/le/configure vendored
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@ -90,5 +90,68 @@ if test "$libc_cv_compiler_powerpc64le_ice" != "yes"; then :
critic_missing="$critic_missing __builtin_signbit is broken. GCC 7.4 or newer is required to resolve (PR83862)."
fi
for ac_prog in $OBJCOPY
do
# Extract the first word of "$ac_prog", so it can be a program name with args.
set dummy $ac_prog; ac_word=$2
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
$as_echo_n "checking for $ac_word... " >&6; }
if ${ac_cv_prog_OBJCOPY+:} false; then :
$as_echo_n "(cached) " >&6
else
if test -n "$OBJCOPY"; then
ac_cv_prog_OBJCOPY="$OBJCOPY" # Let the user override the test.
else
as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
for as_dir in $PATH
do
IFS=$as_save_IFS
test -z "$as_dir" && as_dir=.
for ac_exec_ext in '' $ac_executable_extensions; do
if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
ac_cv_prog_OBJCOPY="$ac_prog"
$as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
break 2
fi
done
done
IFS=$as_save_IFS
fi
fi
OBJCOPY=$ac_cv_prog_OBJCOPY
if test -n "$OBJCOPY"; then
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $OBJCOPY" >&5
$as_echo "$OBJCOPY" >&6; }
else
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
$as_echo "no" >&6; }
fi
test -n "$OBJCOPY" && break
done
if test -z "$OBJCOPY"; then
ac_verc_fail=yes
else
# Found it, now check the version.
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking version of $OBJCOPY" >&5
$as_echo_n "checking version of $OBJCOPY... " >&6; }
ac_prog_version=`$OBJCOPY --version 2>&1 | sed -n 's/^.*GNU objcopy.* \([0-9]*\.[0-9.]*\).*$/\1/p'`
case $ac_prog_version in
'') ac_prog_version="v. ?.??, bad"; ac_verc_fail=yes;;
2.1[0-9][0-9]*|2.2[6-9]*|2.[3-9][0-9]*|[3-9].*|[1-9][0-9]*)
ac_prog_version="$ac_prog_version, ok"; ac_verc_fail=no;;
*) ac_prog_version="$ac_prog_version, bad"; ac_verc_fail=yes;;
esac
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_prog_version" >&5
$as_echo "$ac_prog_version" >&6; }
fi
if test $ac_verc_fail = yes; then
AS=: critic_missing="$critic_missing objcopy >= 2.26 is required on powerpc64le"
fi
test -n "$critic_missing" && as_fn_error $? "*** $critic_missing" "$LINENO" 5

6
sysdeps/powerpc/powerpc64/le/configure.ac
View File

@ -51,5 +51,11 @@ CFLAGS="$save_CFLAGS"])
AS_IF([test "$libc_cv_compiler_powerpc64le_ice" != "yes"],
[critic_missing="$critic_missing __builtin_signbit is broken. GCC 7.4 or newer is required to resolve (PR83862)."])
dnl objcopy (binutils) 2.26 or newer required to support the --update-section
dnl feature for fixing up .gnu.attribute section with IEEE ldbl.
AC_CHECK_PROG_VER(OBJCOPY, $OBJCOPY, --version,
[GNU objcopy.* \([0-9]*\.[0-9.]*\)],
[2.1[0-9][0-9]*|2.2[6-9]*|2.[3-9][0-9]*|[3-9].*|[1-9][0-9]*],
AS=: critic_missing="$critic_missing objcopy >= 2.26 is required on powerpc64le")
test -n "$critic_missing" && AC_MSG_ERROR([*** $critic_missing])