From: Jakub Jelinek <jakub@redhat.com>
To: Thomas Koenig <tkoenig@netcologne.de>
Cc: Michael Meissner <meissner@linux.ibm.com>,
Bill Schmidt <wschmidt@linux.ibm.com>,
"fortran@gcc.gnu.org" <fortran@gcc.gnu.org>,
Segher Boessenkool <segher@kernel.crashing.org>,
Peter Bergner <bergner@linux.ibm.com>,
David Edelsohn <dje.gcc@gmail.com>,
gcc-patches@gcc.gnu.org
Subject: [power-iee128] libgfortran: Use -mno-gnu-attribute in libgfortran
Date: Mon, 3 Jan 2022 16:23:07 +0100 [thread overview]
Message-ID: <20220103152307.GJ2664@tucnak> (raw)
In-Reply-To: <20220103103329.GR2646553@tucnak>
On Mon, Jan 03, 2022 at 11:33:32AM +0100, Jakub Jelinek wrote:
> The idea behind this is that libstdc++ is written such that it can handle
> both IBM extended and IEEE quad long double, so its object files are
> compatible with both.
Now tested on powerpc64le-linux (and together with the regenerated file),
ok for power-ieee128?
2022-01-03 Jakub Jelinek <jakub@redhat.com>
* configure.ac (Use -mno-gnu-attribute together with
-mabi=ibmlongdouble or -mabi=ieeelongdouble.
* configure: Regenerated.
--- libgfortran/configure.ac.jj 2021-12-31 11:08:19.032835533 +0000
+++ libgfortran/configure.ac 2022-01-03 10:32:16.927834682 +0000
@@ -163,9 +163,9 @@ if test "x$GCC" = "xyes"; then
#error long double is double
#endif]],
[[(void) 0;]])],
- [AM_FCFLAGS="$AM_FCFLAGS -mabi=ibmlongdouble";
- AM_CFLAGS="$AM_CFLAGS -mabi=ibmlongdouble";
- CFLAGS="$CFLAGS -mabi=ibmlongdouble";
+ [AM_FCFLAGS="$AM_FCFLAGS -mabi=ibmlongdouble -mno-gnu-attribute";
+ AM_CFLAGS="$AM_CFLAGS -mabi=ibmlongdouble -mno-gnu-attribute";
+ CFLAGS="$CFLAGS -mabi=ibmlongdouble -mno-gnu-attribute";
have_real_17=yes])
;;
*)
--- libgfortran/configure.jj 2021-12-31 11:08:19.032835533 +0000
+++ libgfortran/configure 2022-01-03 13:55:38.684926082 +0000
@@ -6025,9 +6025,9 @@ main ()
}
_ACEOF
if ac_fn_c_try_cpp "$LINENO"; then :
- AM_FCFLAGS="$AM_FCFLAGS -mabi=ibmlongdouble";
- AM_CFLAGS="$AM_CFLAGS -mabi=ibmlongdouble";
- CFLAGS="$CFLAGS -mabi=ibmlongdouble";
+ AM_FCFLAGS="$AM_FCFLAGS -mabi=ibmlongdouble -mno-gnu-attribute";
+ AM_CFLAGS="$AM_CFLAGS -mabi=ibmlongdouble -mno-gnu-attribute";
+ CFLAGS="$CFLAGS -mabi=ibmlongdouble -mno-gnu-attribute";
have_real_17=yes
fi
rm -f conftest.err conftest.i conftest.$ac_ext
Jakub
next prev parent reply other threads:[~2022-01-03 15:23 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-10-31 14:43 [RFC] User-visible changes for powerpc64-le-linux ABI changes Thomas Koenig
2021-11-01 15:54 ` Bill Schmidt
2021-11-01 17:32 ` Thomas Koenig
2021-11-01 17:45 ` Jakub Jelinek
2021-11-02 6:19 ` Thomas Koenig
2021-11-04 4:41 ` Michael Meissner
2021-11-01 18:46 ` Michael Meissner
2021-11-15 20:27 ` Thomas Koenig
2021-11-15 22:14 ` Peter Bergner
2021-11-15 23:42 ` Michael Meissner
2021-11-16 7:51 ` Thomas Koenig
2021-11-19 14:19 ` Jakub Jelinek
2021-11-19 17:30 ` Segher Boessenkool
2021-11-19 19:09 ` Thomas Koenig
2021-11-19 19:36 ` Peter Bergner
2021-11-19 21:30 ` Segher Boessenkool
2022-01-02 22:58 ` [power-iee128] How to specify linker flags Thomas Koenig
2022-01-03 10:19 ` Thomas Koenig
2022-01-03 10:33 ` Jakub Jelinek
2022-01-03 15:23 ` Jakub Jelinek [this message]
2022-01-03 15:27 ` [power-iee128] libgfortran: Use -mno-gnu-attribute in libgfortran Thomas Koenig
2022-01-03 10:34 ` [power-iee128] How to specify linker flags Segher Boessenkool
2022-01-05 21:20 ` Michael Meissner
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