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-rw-r--r--meta/recipes-devtools/gcc/gcc-4.6/gcc-with-linker-hash-style.patch196
1 files changed, 196 insertions, 0 deletions
diff --git a/meta/recipes-devtools/gcc/gcc-4.6/gcc-with-linker-hash-style.patch b/meta/recipes-devtools/gcc/gcc-4.6/gcc-with-linker-hash-style.patch
new file mode 100644
index 0000000000..4fa3cbe276
--- /dev/null
+++ b/meta/recipes-devtools/gcc/gcc-4.6/gcc-with-linker-hash-style.patch
@@ -0,0 +1,196 @@
1Upstream-Status: Backport
2Signed-off-by: Khem Raj <raj.khem@gmail.com>
3
4commit 3cb9bbfa927aa187048534f9069202c017a78e38
5Author: ppluzhnikov <ppluzhnikov@138bc75d-0d04-0410-961f-82ee72b054a4>
6Date: Wed May 11 18:28:14 2011 +0000
7
8 2011-05-11 Satoru Takabayashi <satorux@google.com>
9 Paul Pluzhnikov <ppluzhnikov@google.com>
10
11 * gcc/doc/install.texi (Configuration): Document
12 --with-linker-hash-style.
13 * gcc/gcc.c (init_spec): Handle LINKER_HASH_STYLE.
14 * gcc/config.in: Add LINKER_HASH_STYLE.
15 * gcc/configure.ac: Add --with-linker-hash-style.
16 * gcc/configure: Regenerate.
17
18
19
20 git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@173668 138bc75d-0d04-0410-961f-82ee72b054a4
21
22Index: gcc-4_6-branch/gcc/config.in
23===================================================================
24--- gcc-4_6-branch.orig/gcc/config.in 2011-09-09 08:26:10.000000000 -0700
25+++ gcc-4_6-branch/gcc/config.in 2011-09-09 08:27:14.142981164 -0700
26@@ -1583,6 +1583,12 @@
27 #endif
28
29
30+/* The linker hash style */
31+#ifndef USED_FOR_TARGET
32+#undef LINKER_HASH_STYLE
33+#endif
34+
35+
36 /* Define to the name of the LTO plugin DSO that must be passed to the
37 linker's -plugin=LIB option. */
38 #ifndef USED_FOR_TARGET
39Index: gcc-4_6-branch/gcc/configure
40===================================================================
41--- gcc-4_6-branch.orig/gcc/configure 2011-09-09 08:26:15.000000000 -0700
42+++ gcc-4_6-branch/gcc/configure 2011-09-09 08:27:42.793023181 -0700
43@@ -915,6 +915,7 @@
44 enable_poison_system_directories
45 enable_plugin
46 enable_libquadmath_support
47+with_linker_hash_style
48 '
49 ac_precious_vars='build_alias
50 host_alias
51@@ -1667,6 +1668,8 @@
52 with the compiler
53 --with-system-zlib use installed libz
54 --with-slibdir=DIR shared libraries in DIR [LIBDIR]
55+ --with-linker-hash-style={sysv,gnu,both}
56+ specify the linker hash style
57
58 Some influential environment variables:
59 CC C compiler command
60@@ -17511,7 +17514,7 @@
61 lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
62 lt_status=$lt_dlunknown
63 cat > conftest.$ac_ext <<_LT_EOF
64-#line 17514 "configure"
65+#line 17517 "configure"
66 #include "confdefs.h"
67
68 #if HAVE_DLFCN_H
69@@ -17617,7 +17620,7 @@
70 lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
71 lt_status=$lt_dlunknown
72 cat > conftest.$ac_ext <<_LT_EOF
73-#line 17620 "configure"
74+#line 17623 "configure"
75 #include "confdefs.h"
76
77 #if HAVE_DLFCN_H
78@@ -26434,6 +26437,36 @@
79 fi
80
81
82+# Specify what hash style to use by default.
83+
84+# Check whether --with-linker-hash-style was given.
85+if test "${with_linker_hash_style+set}" = set; then :
86+ withval=$with_linker_hash_style; case x"$withval" in
87+ xsysv)
88+ LINKER_HASH_STYLE=sysv
89+ ;;
90+ xgnu)
91+ LINKER_HASH_STYLE=gnu
92+ ;;
93+ xboth)
94+ LINKER_HASH_STYLE=both
95+ ;;
96+ *)
97+ as_fn_error "$withval is an invalid option to --with-linker-hash-style" "$LINENO" 5
98+ ;;
99+ esac
100+else
101+ LINKER_HASH_STYLE=''
102+fi
103+
104+if test x"${LINKER_HASH_STYLE}" != x; then
105+
106+cat >>confdefs.h <<_ACEOF
107+#define LINKER_HASH_STYLE "$LINKER_HASH_STYLE"
108+_ACEOF
109+
110+fi
111+
112 # Configure the subdirectories
113 # AC_CONFIG_SUBDIRS($subdirs)
114
115Index: gcc-4_6-branch/gcc/configure.ac
116===================================================================
117--- gcc-4_6-branch.orig/gcc/configure.ac 2011-09-09 08:26:15.000000000 -0700
118+++ gcc-4_6-branch/gcc/configure.ac 2011-09-09 08:27:14.162981193 -0700
119@@ -4907,6 +4907,30 @@
120 fi
121
122
123+# Specify what hash style to use by default.
124+AC_ARG_WITH([linker-hash-style],
125+[AC_HELP_STRING([--with-linker-hash-style={sysv,gnu,both}],
126+ [specify the linker hash style])],
127+[case x"$withval" in
128+ xsysv)
129+ LINKER_HASH_STYLE=sysv
130+ ;;
131+ xgnu)
132+ LINKER_HASH_STYLE=gnu
133+ ;;
134+ xboth)
135+ LINKER_HASH_STYLE=both
136+ ;;
137+ *)
138+ AC_MSG_ERROR([$withval is an invalid option to --with-linker-hash-style])
139+ ;;
140+ esac],
141+[LINKER_HASH_STYLE=''])
142+if test x"${LINKER_HASH_STYLE}" != x; then
143+ AC_DEFINE_UNQUOTED(LINKER_HASH_STYLE, "$LINKER_HASH_STYLE",
144+ [The linker hash style])
145+fi
146+
147 # Configure the subdirectories
148 # AC_CONFIG_SUBDIRS($subdirs)
149
150Index: gcc-4_6-branch/gcc/doc/install.texi
151===================================================================
152--- gcc-4_6-branch.orig/gcc/doc/install.texi 2011-06-24 08:13:00.000000000 -0700
153+++ gcc-4_6-branch/gcc/doc/install.texi 2011-09-09 08:27:14.172981215 -0700
154@@ -1665,6 +1665,11 @@
155 support @option{--build-id} option, a warning is issued and the
156 @option{--enable-linker-build-id} option is ignored. The default is off.
157
158+@item --with-linker-hash-style=@var{choice}
159+Tells GCC to pass @option{--hash-style=@var{choice}} option to the
160+linker for all final links. @var{choice} can be one of
161+@samp{sysv}, @samp{gnu}, and @samp{both} where @samp{sysv} is the default.
162+
163 @item --enable-gnu-unique-object
164 @itemx --disable-gnu-unique-object
165 Tells GCC to use the gnu_unique_object relocation for C++ template
166Index: gcc-4_6-branch/gcc/gcc.c
167===================================================================
168--- gcc-4_6-branch.orig/gcc/gcc.c 2011-09-09 08:26:14.000000000 -0700
169+++ gcc-4_6-branch/gcc/gcc.c 2011-09-09 08:27:14.172981215 -0700
170@@ -1427,7 +1427,8 @@
171 }
172 #endif
173
174-#if defined LINK_EH_SPEC || defined LINK_BUILDID_SPEC
175+#if defined LINK_EH_SPEC || defined LINK_BUILDID_SPEC || \
176+ defined LINKER_HASH_STYLE
177 # ifdef LINK_BUILDID_SPEC
178 /* Prepend LINK_BUILDID_SPEC to whatever link_spec we had before. */
179 obstack_grow (&obstack, LINK_BUILDID_SPEC, sizeof(LINK_BUILDID_SPEC) - 1);
180@@ -1436,6 +1437,16 @@
181 /* Prepend LINK_EH_SPEC to whatever link_spec we had before. */
182 obstack_grow (&obstack, LINK_EH_SPEC, sizeof(LINK_EH_SPEC) - 1);
183 # endif
184+# ifdef LINKER_HASH_STYLE
185+ /* Prepend --hash-style=LINKER_HASH_STYLE to whatever link_spec we had
186+ before. */
187+ {
188+ static const char hash_style[] = "--hash-style=";
189+ obstack_grow (&obstack, hash_style, sizeof(hash_style) - 1);
190+ obstack_grow (&obstack, LINKER_HASH_STYLE, sizeof(LINKER_HASH_STYLE) - 1);
191+ obstack_1grow (&obstack, ' ');
192+ }
193+# endif
194 obstack_grow0 (&obstack, link_spec, strlen (link_spec));
195 link_spec = XOBFINISH (&obstack, const char *);
196 #endif
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