From: Uros Bizjak <uros@gcc.gnu.org>
Date: Fri, 27 Mar 2015 17:08:44 +0000 (+0100)
Subject: Install back PR target/47230 fix (Revert the revert).
X-Git-Tag: releases/gcc-5.1.0~225
X-Git-Url: http://git.ipfire.org/?p=thirdparty%2Fgcc.git;a=commitdiff_plain;h=13be44ed9d59d5ac78e2279681c2da09039919d5

Install back PR target/47230 fix (Revert the revert).

From-SVN: r221739
---

diff --git a/ChangeLog b/ChangeLog
index f3c095be5454..e2f1060151f5 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -46,15 +46,6 @@
 
 	* MAINTAINERS (Various Maintainers): Add self.
 
-2015-02-25  Uros Bizjak  <ubizjak@gmail.com>
-
-	Revert:
-	2014-07-26  Uros Bizjak  <ubizjak@gmail.com>
-
-	PR target/47230
-	* configure.ac (alpha*-*-linux*): Use mh-alpha-linux.
-	* configure: Regenerate.
-
 2015-02-20  Thomas Schwinge  <thomas@codesourcery.com>
 
 	* configure.ac [--enable-as-accelerator-for] (enable_languages):
diff --git a/config/ChangeLog b/config/ChangeLog
index eda008285e85..960cd5d3999f 100644
--- a/config/ChangeLog
+++ b/config/ChangeLog
@@ -3,14 +3,6 @@
 	PR bootstrap/65537
 	* bootstrap-lto-noplugin.mk: New build configuration.
 
-2015-02-25  Uros Bizjak  <ubizjak@gmail.com>
-
-	Revert:
-	2014-07-26  Uros Bizjak  <ubizjak@gmail.com>
-
-	PR target/47230
-	* mh-alpha-linux: New file.
-
 2015-02-18  Thomas Schwinge  <thomas@codesourcery.com>
 
 	* elf.m4 (ACX_ELF_TARGET_IFELSE): nvptx-*-none isn't ELF.
diff --git a/config/mh-alpha-linux b/config/mh-alpha-linux
new file mode 100644
index 000000000000..9a9244baaa36
--- /dev/null
+++ b/config/mh-alpha-linux
@@ -0,0 +1,3 @@
+# Prevent GPREL16 relocation truncation
+LDFLAGS += -Wl,--no-relax
+BOOT_LDFLAGS += -Wl,--no-relax
diff --git a/configure b/configure
index 098ed9fa89c3..064e69b80ec8 100755
--- a/configure
+++ b/configure
@@ -3969,6 +3969,9 @@ fi
   *-mingw*)
     host_makefile_frag="config/mh-mingw"
     ;;
+  alpha*-*-linux*)
+    host_makefile_frag="config/mh-alpha-linux"
+    ;;
   hppa*-hp-hpux10*)
     host_makefile_frag="config/mh-pa-hpux10"
     ;;
diff --git a/configure.ac b/configure.ac
index 7104631b7384..56f6af3e83de 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1297,6 +1297,9 @@ case "${host}" in
   *-mingw*)
     host_makefile_frag="config/mh-mingw"
     ;;
+  alpha*-*-linux*)
+    host_makefile_frag="config/mh-alpha-linux"
+    ;;
   hppa*-hp-hpux10*)
     host_makefile_frag="config/mh-pa-hpux10"
     ;;
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index e846805ed988..05174d85b657 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -2203,12 +2203,6 @@
 	* config/arm/arm.md (arm_comparison_operator): Disabled if not allow
 	volatile memory access in IT block
 
-2015-02-25  Uros Bizjak  <ubizjak@gmail.com>
-
-	PR target/47230
-	* doc/install.texi (Specific, alpha*-*-*): Document that binutils 2.25
-	or newer are required.
-
 2015-02-25  Kai Tietz  <ktietz@redhat.com>
 
 	PR tree-optimization/61917
diff --git a/gcc/doc/install.texi b/gcc/doc/install.texi
index 1e845702ddb7..efab00b3e8d6 100644
--- a/gcc/doc/install.texi
+++ b/gcc/doc/install.texi
@@ -3425,11 +3425,10 @@ alpha-based platforms using ELF (in particular, ignore this section for
 DEC OSF/1, Digital UNIX and Tru64 UNIX)@.  In addition to reading this
 section, please read all other sections that match your target.
 
-Binutils 2.25 or newer are required.
-Versions prior to 2.25 have faulty relaxation pass that may result in
-GPREL16 relocation truncation errors.  Versions prior to 2.11.2 had a
-number of problems with DWARF 2 debugging information, not the least of
-which is incorrect linking of shared libraries.
+We require binutils 2.11.2 or newer.
+Previous binutils releases had a number of problems with DWARF 2
+debugging information, not the least of which is incorrect linking of
+shared libraries.
 
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