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Document that --enable-static-pie implies PIE

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To build static PIE, all .o files are compiled with -fPIE.  Since
--enable-static-pie is designed to provide additional security hardening
benefits, it also implies that glibc programs and tests are created as
dynamic position independent executables (PIE) by default for better
security hardening.

Reviewed-by: Jonathan Nieder <jrnieder@gmail.com>

	* manual/install.texi: Document that --enable-static-pie
	implies PIE.
	* INSTALL: Regenerated.
This commit is contained in:
H.J. Lu 2017-12-19 13:51:01 -08:00
parent 648615e13f
commit 126adc89d8
3 changed files with 11 additions and 2 deletions
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6
ChangeLog
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@ -1,3 +1,9 @@
2017-12-19 H.J. Lu <hongjiu.lu@intel.com>
* manual/install.texi: Document that --enable-static-pie
implies PIE.
* INSTALL: Regenerated.
2017-12-19 Bernd Edlinger <bernd.edlinger@hotmail.de>
[BZ #21309]

4
INSTALL
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@ -93,7 +93,9 @@ will be used, and CFLAGS sets optimization options for the compiler.
programs as well as static tests are built as static PIE, except
for those marked with no-pie. The resulting glibc can be used with
the GCC option, -static-pie, which is available with GCC 8 or
above, to create static PIE.
above, to create static PIE. This option also implies that glibc
programs and tests are created as dynamic position independent
executables (PIE) by default.
'--disable-profile'
Don't build libraries with profiling information. You may want to

3
manual/install.texi
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@ -123,7 +123,8 @@ address without help from a dynamic linker. All static programs as
well as static tests are built as static PIE, except for those marked
with no-pie. The resulting glibc can be used with the GCC option,
-static-pie, which is available with GCC 8 or above, to create static
PIE.
PIE. This option also implies that glibc programs and tests are created
as dynamic position independent executables (PIE) by default.
@item --disable-profile
Don't build libraries with profiling information. You may want to use