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Re: [PATCH] Find arm-linux-gnueabihf-gcc in compile


Pedro Alves <palves@redhat.com> writes:

> Debian seems to have a "arm-linux-gnueabi-gcc" as well,
> <https://packages.debian.org/sid/gcc-7-arm-linux-gnueabi>, 
> which I assume is a version that defaults to soft-float.  (Or
> is that softfp?)

Yes, arm-linux-gnueabi implies the EABI with -mfloat-abi=soft or
-mfloat-abi=softfp, while arm-linux-gnueabihf implies -mfloat-abi=hard.
I amend the commitlog a little, and push the patch below in.

-- 
Yao (齐尧)
From dea445b940545f9564972c5410ac8792b72cc9c3 Mon Sep 17 00:00:00 2001
From: Yao Qi <yao.qi@linaro.org>
Date: Fri, 19 Jan 2018 09:08:36 +0000
Subject: [PATCH] Find arm-linux-gnueabi(hf)?-gcc in compile

GCC for arm-linux has different names on different distros.  It is
arm-linux-gnu-gcc on fedora.  Debian/Ubuntu has arm-linux-gnueabihf-gcc
and arm-linux-gnueabi-gcc.  So when I run gdb.compile/ tests on arm-linux,
I get,

(gdb) compile code -- ;
Could not find a compiler matching "^arm(-[^-]*)?-linux(-gnu)?-gcc$"

This patch extend the regexp to match both arm-linux-gnu-gcc and
arm-linux-gnueabihf-gcc.

gdb:

2018-01-19  Yao Qi  <yao.qi@linaro.org>

	* osabi.c (gdb_osabi_names): Extend the regexp for
	arm-linux-gnueabihf and arm-linux-gnueabi.

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 90dacd2..6709f44 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,8 @@
+2018-01-19  Yao Qi  <yao.qi@linaro.org>
+
+	* osabi.c (gdb_osabi_names): Extend the regexp for
+	arm-linux-gnueabihf.
+
 2018-01-18  Yao Qi  <yao.qi@linaro.org>
 
 	* dwarf2read.c (abbrev_table) <abbrevs>: Rename it to
diff --git a/gdb/osabi.c b/gdb/osabi.c
index 129164f..fd44deb 100644
--- a/gdb/osabi.c
+++ b/gdb/osabi.c
@@ -63,7 +63,7 @@ static const struct osabi_names gdb_osabi_names[] =
   { "SVR4", NULL },
   { "GNU/Hurd", NULL },
   { "Solaris", NULL },
-  { "GNU/Linux", "linux(-gnu)?" },
+  { "GNU/Linux", "linux(-gnu[^-]*)?" },
   { "FreeBSD", NULL },
   { "NetBSD", NULL },
   { "OpenBSD", NULL },


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