Message ID | 54948110.1080700@ezchip.com |
---|---|
State | New |
Headers | show |
Ping. On 12/19/2014 2:48 PM, Chris Metcalf wrote: > The minimum binutils was recently updated from 2.20 to 2.22. It seems > that this had something to do with libmvec vector math functions, as > discussed here: > > https://sourceware.org/ml/libc-alpha/2014-09/msg00586.html > > although the actual requirements on binutils and the assembler were not > specified in that email thread as far as I can see. > > Since the current tilegx release ships with binutils 2.21, this imposes > a slight additional awkwardness on building and testing glibc on that > platform, so I wondered what the actual rationale for 2.22 was, and if > it would be possible to back off 2.21 instead. If there is a > requirement for 2.22 for Intel, perhaps it can be expressed as a > separate requirement just for that platform. > > Certainly building with binutils 2.21 seems to work fine on tilegx > (although I'm still working through some other issues with -Werror, etc). > > For completeness, here is the change to switch back to 2.21: > > 2014-12-19 Chris Metcalf <cmetcalf@ezchip.com> > > * configure.ac: Backed off binutils minimum version to 2.21. > * manual/install.texi (Tools for Compilation): Updated version > number. > * configure: Regenerated. > * INSTALL: Likewise. > > diff --git a/INSTALL b/INSTALL > index 35f70e0f5e4f..4ebe45c6e1a4 100644 > --- a/INSTALL > +++ b/INSTALL > @@ -350,7 +350,7 @@ build the GNU C Library: > Check the FAQ for any special compiler issues on particular > platforms. > > - * GNU `binutils' 2.22 or later > + * GNU `binutils' 2.21 or later > > You must use GNU `binutils' (as and ld) to build the GNU C Library. > No other assembler or linker has the necessary functionality at the > diff --git a/configure b/configure > index cde55de15fe6..3c46d6ae5095 100755 > --- a/configure > +++ b/configure > @@ -4481,7 +4481,7 @@ $as_echo "$libc_cv_prog_ld_gnu" >&6; } > gnu_ld=$libc_cv_prog_ld_gnu > > > -# Accept binutils 2.22 or newer. > +# Accept binutils 2.21 or newer. > for ac_prog in $AS > do > # Extract the first word of "$ac_prog", so it can be a program name with args. > @@ -4533,7 +4533,7 @@ $as_echo_n "checking version of $AS... " >&6; } > ac_prog_version=`$AS --version 2>&1 | sed -n 's/^.*GNU assembler.* \([0-9]*\.[0-9.]*\).*$/\1/p'` > case $ac_prog_version in > '') ac_prog_version="v. ?.??, bad"; ac_verc_fail=yes;; > - 2.1[0-9][0-9]*|2.2[2-9]*|2.[3-9][0-9]*|[3-9].*|[1-9][0-9]*) > + 2.1[0-9][0-9]*|2.2[1-9]*|2.[3-9][0-9]*|[3-9].*|[1-9][0-9]*) > ac_prog_version="$ac_prog_version, ok"; ac_verc_fail=no;; > *) ac_prog_version="$ac_prog_version, bad"; ac_verc_fail=yes;; > > @@ -4596,7 +4596,7 @@ $as_echo_n "checking version of $LD... " >&6; } > ac_prog_version=`$LD --version 2>&1 | sed -n 's/^.*GNU ld.* \([0-9][0-9]*\.[0-9.]*\).*$/\1/p'` > case $ac_prog_version in > '') ac_prog_version="v. ?.??, bad"; ac_verc_fail=yes;; > - 2.1[0-9][0-9]*|2.2[2-9]*|2.[3-9][0-9]*|[3-9].*|[1-9][0-9]*) > + 2.1[0-9][0-9]*|2.2[1-9]*|2.[3-9][0-9]*|[3-9].*|[1-9][0-9]*) > ac_prog_version="$ac_prog_version, ok"; ac_verc_fail=no;; > *) ac_prog_version="$ac_prog_version, bad"; ac_verc_fail=yes;; > > diff --git a/configure.ac b/configure.ac > index f1e6394e7ee2..88bc993131c3 100644 > --- a/configure.ac > +++ b/configure.ac > @@ -907,14 +907,14 @@ AC_PROG_LN_S > > LIBC_PROG_BINUTILS > > -# Accept binutils 2.22 or newer. > +# Accept binutils 2.21 or newer. > AC_CHECK_PROG_VER(AS, $AS, --version, > [GNU assembler.* \([0-9]*\.[0-9.]*\)], > - [2.1[0-9][0-9]*|2.2[2-9]*|2.[3-9][0-9]*|[3-9].*|[1-9][0-9]*], > + [2.1[0-9][0-9]*|2.2[1-9]*|2.[3-9][0-9]*|[3-9].*|[1-9][0-9]*], > AS=: critic_missing="$critic_missing as") > AC_CHECK_PROG_VER(LD, $LD, --version, > [GNU ld.* \([0-9][0-9]*\.[0-9.]*\)], > - [2.1[0-9][0-9]*|2.2[2-9]*|2.[3-9][0-9]*|[3-9].*|[1-9][0-9]*], > + [2.1[0-9][0-9]*|2.2[1-9]*|2.[3-9][0-9]*|[3-9].*|[1-9][0-9]*], > LD=: critic_missing="$critic_missing ld") > > # These programs are version sensitive. > diff --git a/manual/install.texi b/manual/install.texi > index 2b9b57ca3221..713b658cf54b 100644 > --- a/manual/install.texi > +++ b/manual/install.texi > @@ -393,7 +393,7 @@ You can use whatever compiler you like to compile programs that use > Check the FAQ for any special compiler issues on particular platforms. > > @item > -GNU @code{binutils} 2.22 or later > +GNU @code{binutils} 2.21 or later > > You must use GNU @code{binutils} (as and ld) to build @theglibc{}. > No other assembler or linker has the necessary functionality at the >
diff --git a/INSTALL b/INSTALL index 35f70e0f5e4f..4ebe45c6e1a4 100644 --- a/INSTALL +++ b/INSTALL @@ -350,7 +350,7 @@ build the GNU C Library: Check the FAQ for any special compiler issues on particular platforms. - * GNU `binutils' 2.22 or later + * GNU `binutils' 2.21 or later You must use GNU `binutils' (as and ld) to build the GNU C Library. No other assembler or linker has the necessary functionality at the diff --git a/configure b/configure index cde55de15fe6..3c46d6ae5095 100755 --- a/configure +++ b/configure @@ -4481,7 +4481,7 @@ $as_echo "$libc_cv_prog_ld_gnu" >&6; } gnu_ld=$libc_cv_prog_ld_gnu -# Accept binutils 2.22 or newer. +# Accept binutils 2.21 or newer. for ac_prog in $AS do # Extract the first word of "$ac_prog", so it can be a program name with args. @@ -4533,7 +4533,7 @@ $as_echo_n "checking version of $AS... " >&6; } ac_prog_version=`$AS --version 2>&1 | sed -n 's/^.*GNU assembler.* \([0-9]*\.[0-9.]*\).*$/\1/p'` case $ac_prog_version in '') ac_prog_version="v. ?.??, bad"; ac_verc_fail=yes;; - 2.1[0-9][0-9]*|2.2[2-9]*|2.[3-9][0-9]*|[3-9].*|[1-9][0-9]*) + 2.1[0-9][0-9]*|2.2[1-9]*|2.[3-9][0-9]*|[3-9].*|[1-9][0-9]*) ac_prog_version="$ac_prog_version, ok"; ac_verc_fail=no;; *) ac_prog_version="$ac_prog_version, bad"; ac_verc_fail=yes;; @@ -4596,7 +4596,7 @@ $as_echo_n "checking version of $LD... " >&6; } ac_prog_version=`$LD --version 2>&1 | sed -n 's/^.*GNU ld.* \([0-9][0-9]*\.[0-9.]*\).*$/\1/p'` case $ac_prog_version in '') ac_prog_version="v. ?.??, bad"; ac_verc_fail=yes;; - 2.1[0-9][0-9]*|2.2[2-9]*|2.[3-9][0-9]*|[3-9].*|[1-9][0-9]*) + 2.1[0-9][0-9]*|2.2[1-9]*|2.[3-9][0-9]*|[3-9].*|[1-9][0-9]*) ac_prog_version="$ac_prog_version, ok"; ac_verc_fail=no;; *) ac_prog_version="$ac_prog_version, bad"; ac_verc_fail=yes;; diff --git a/configure.ac b/configure.ac index f1e6394e7ee2..88bc993131c3 100644 --- a/configure.ac +++ b/configure.ac @@ -907,14 +907,14 @@ AC_PROG_LN_S LIBC_PROG_BINUTILS -# Accept binutils 2.22 or newer. +# Accept binutils 2.21 or newer. AC_CHECK_PROG_VER(AS, $AS, --version, [GNU assembler.* \([0-9]*\.[0-9.]*\)], - [2.1[0-9][0-9]*|2.2[2-9]*|2.[3-9][0-9]*|[3-9].*|[1-9][0-9]*], + [2.1[0-9][0-9]*|2.2[1-9]*|2.[3-9][0-9]*|[3-9].*|[1-9][0-9]*], AS=: critic_missing="$critic_missing as") AC_CHECK_PROG_VER(LD, $LD, --version, [GNU ld.* \([0-9][0-9]*\.[0-9.]*\)], - [2.1[0-9][0-9]*|2.2[2-9]*|2.[3-9][0-9]*|[3-9].*|[1-9][0-9]*], + [2.1[0-9][0-9]*|2.2[1-9]*|2.[3-9][0-9]*|[3-9].*|[1-9][0-9]*], LD=: critic_missing="$critic_missing ld") # These programs are version sensitive. diff --git a/manual/install.texi b/manual/install.texi index 2b9b57ca3221..713b658cf54b 100644 --- a/manual/install.texi +++ b/manual/install.texi @@ -393,7 +393,7 @@ You can use whatever compiler you like to compile programs that use Check the FAQ for any special compiler issues on particular platforms. @item -GNU @code{binutils} 2.22 or later +GNU @code{binutils} 2.21 or later You must use GNU @code{binutils} (as and ld) to build @theglibc{}. No other assembler or linker has the necessary functionality at the