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
|
--- a/gcc/doc/install.texi 2013-10-01 19:29:40.000000000 +0200
+++ b/gcc/doc/install.texi 2013-11-09 15:40:20.831402110 +0100
@@ -1421,6 +1421,11 @@ do a @samp{make -C gcc gnatlib_and_tools
Specify that the run-time libraries for stack smashing protection
should not be built.
+@item --enable-default-pie
+We will turn on @option{-fPIE} and @option{-pie} as default when
+compileing and linking if the support is there. We only support
+i?86-*-linux* and x86-64-*-linux* as target for now.
+
@item --disable-libquadmath
Specify that the GCC quad-precision math library should not be built.
On some systems, the library is required to be linkable when building
--- a/gcc/doc/invoke.texi 2012-03-01 10:57:59.000000000 +0100
+++ b/gcc/doc/invoke.texi 2012-07-30 00:57:03.766847851 +0200
@@ -9457,6 +9480,12 @@ For predictable results, you must also s
that were used to generate code (@option{-fpie}, @option{-fPIE},
or model suboptions) when you specify this option.
+NOTE: With configure --enable-default-pie this option is enabled by default
+for C, C++, ObjC, ObjC++, if none of @option{-fno-PIE}, @option{-fno-pie},
+@option{-fPIC}, @option{-fpic}, @option{-fno-PIC}, @option{-fno-pic},
+@option{-nostdlib}, @option{-nostartfiles}, @option{-shared},
+@option{-nodefaultlibs}, nor @option{static} are found.
+
@item -rdynamic
@opindex rdynamic
Pass the flag @option{-export-dynamic} to the ELF linker, on targets
@@ -19125,6 +19154,12 @@ used during linking.
@code{__pie__} and @code{__PIE__}. The macros have the value 1
for @option{-fpie} and 2 for @option{-fPIE}.
+NOTE: With configure --enable-default-pie this option is enabled by default
+for C, C++, ObjC, ObjC++, if none of @option{-fno-PIE}, @option{-fno-pie},
+@option{-fPIC}, @option{-fpic}, @option{-fno-PIC}, @option{-fno-pic},
+@option{-nostdlib}, @option{-nostartfiles}, @option{-shared},
+@option{-nodefaultlibs}, nor @option{static} are found.
+
@item -fno-jump-tables
@opindex fno-jump-tables
Do not use jump tables for switch statements even where it would be
|