1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
|
2013-12-30 Magnus Granberg <zorry@gentoo.org>
* gcc/configure.ac Add --enable-esp and define ENABLE_ESP.
Check if we support crtbeginP and define ENABLE_CRTBEGINP.
* gcc/configure Regenerated
--- a/gcc/configure.ac 2011-11-18 11:52:32.000000000 +0100
+++ b/gcc/configure.ac 2012-10-02 17:39:15.649526241 +0200
@@ -5130,6 +5237,55 @@ if test x"${LINKER_HASH_STYLE}" != x; th
[The linker hash style])
fi
+# --------------
+# Esp checks
+# --------------
+
+# Check whether --enable-esp was given and target have the support.
+AC_ARG_ENABLE([esp],
+[AS_HELP_STRING([--enable-esp],
+ [Enable Stack protector and Position independent executable as
+ default if we have suppot for it when compiling
+ and link with -z now as default.
+ Linux targets supported i*86, x86_64, x32,
+ powerpc, powerpc64, ia64, arm and mips.])],
+ enable_esp=$enableval,
+ enable_esp=no)
+if test $enable_esp = yes ; then
+ AC_MSG_CHECKING(if $target support esp)
+ case "$target" in
+ i?86*-*-linux* | x86_64-*-linux* | powerpc*-*-linux* | mips-*-linux* | arm*-*-linux* | ia64-*-linux*)
+ enable_esp=yes
+ AC_DEFINE(ENABLE_ESP, 1,
+ [Define if your target support esp and you have enable it.])
+ ;;
+ *)
+ enable_esp=no
+ ;;
+ esac
+AC_MSG_RESULT($enable_esp)
+fi
+AC_SUBST([enable_esp])
+if test $enable_esp = yes ; then
+ AC_MSG_CHECKING(checking for crtbeginP.o support)
+ if test x$enable_esp = xyes ; then
+ case "$target" in
+ ia64*-*-linux*)
+ enable_crtbeginP=no ;;
+ *-*-linux*)
+ if test x$gcc_cv_ld_pie = xyes && test x$lt_cv_prog_compiler_static_works = xyes; then
+ enable_crtbeginP=yes
+ AC_DEFINE(ENABLE_CRTBEGINP, 1,
+ [Define if your compiler will support crtbeginP.])
+ fi
+ ;;
+ *) enable_crtbeginP=no ;;
+ esac
+ fi
+ AC_MSG_RESULT($enable_crtbeginP)
+fi
+AC_SUBST([enable_crtbeginP])
+
# Configure the subdirectories
# AC_CONFIG_SUBDIRS($subdirs)
--- a/gcc/configure 2013-02-01 21:26:24.000000000 +0100
+++ b/gcc/configure 2013-02-12 01:59:20.000000000 +0100
@@ -600,6 +600,8 @@
ac_subst_vars='LTLIBOBJS
LIBOBJS
+enable_crtbeginP
+enable_esp
enable_plugin
pluginlibs
CLOOGINC
@@ -920,6 +922,7 @@
enable_plugin
enable_libquadmath_support
with_linker_hash_style
+enable_esp
'
ac_precious_vars='build_alias
host_alias
@@ -1633,6 +1636,11 @@
--enable-plugin enable plugin support
--disable-libquadmath-support
disable libquadmath support for Fortran
+ --enable-esp Enable Stack protector and Position independent
+ executable as default if we have suppot for it when
+ compiling and link with -z now as default.
+ Linux targets supported i*86, x86_64, x32,
+ powerpc, powerpc64, ia64, arm and mips.
Optional Packages:
--with-PACKAGE[=ARG] use PACKAGE [ARG=yes]
@@ -27419,6 +27427,59 @@
fi
+# --------------
+# Esp checks
+# --------------
+
+# Check whether --enable-esp was given and target have the support.
+# Check whether --enable-esp was given.
+if test "${enable_esp+set}" = set; then :
+ enableval=$enable_esp; enable_esp=$enableval
+else
+ enable_esp=no
+fi
+
+if test $enable_esp = yes ; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $target support esp" >&5
+$as_echo_n "checking if $target support esp... " >&6; }
+ case "$target" in
+ i?86*-*-linux* | x86_64-*-linux* | powerpc*-*-linux* | mips*-*-linux* | arm*-*-linux* | ia64-*-linux*)
+ enable_esp=yes
+
+$as_echo "#define ENABLE_ESP 1" >>confdefs.h
+
+ ;;
+ *)
+ enable_esp=no
+ ;;
+ esac
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $enable_esp" >&5
+$as_echo "$enable_esp" >&6; }
+fi
+
+if test $enable_esp = yes ; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking checking for crtbeginP.o support" >&5
+$as_echo_n "checking checking for crtbeginP.o support... " >&6; }
+ if test x$enable_esp = xyes ; then
+ case "$target" in
+ ia64*-*-linux*)
+ enable_crtbeginP=no ;;
+ *-*-linux*)
+ if test x$gcc_cv_ld_pie = xyes && test x$lt_cv_prog_compiler_static_works = xyes; then
+ enable_crtbeginP=yes
+
+$as_echo "#define ENABLE_CRTBEGINP 1" >>confdefs.h
+
+ fi
+ ;;
+ *) enable_crtbeginP=no ;;
+ esac
+ fi
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $enable_crtbeginP" >&5
+$as_echo "$enable_crtbeginP" >&6; }
+fi
+
+
# Configure the subdirectories
# AC_CONFIG_SUBDIRS($subdirs)
|