Imagelibrary/binutils-gdb
1
0
Fork 1
mirror of https://github.com/bminor/binutils-gdb.git synced 2025-11-16 12:34:43 +00:00
Code Issues Packages Projects Releases Wiki Activity

configure: Implement --enable-host-pie

Browse Source 
This patch implements the --enable-host-pie configure option which
makes the compiler executables PIE.  This can be used to enhance
protection against ROP attacks, and can be viewed as part of a wider
trend to harden binaries.

Co-Authored by: Iain Sandoe  <iain@sandoe.co.uk>

	* configure.ac (--enable-host-pie): New check.  Set PICFLAG after this
	check.

intl/
	* configure.ac (--enable-host-shared): Don't set PICFLAG here.
	(--enable-host-pie): New check.  Set PICFLAG after this check.

libdecnumber/
	* configure.ac (--enable-host-shared): Don't set PICFLAG here.
	(--enable-host-pie): New check.  Set PICFLAG after this check.

zlib/
	* configure.ac (--enable-host-shared): Don't set PICFLAG here.
	(--enable-host-pie): New check.  Set PICFLAG after this check.
This commit is contained in:
Marek Polacek
2023-08-07 13:07:12 +02:00
committed by Alan Modra
parent 947edb094e
commit 60b42421e9
4 changed files with 97 additions and 7 deletions
Download Patch File Download Diff File Expand all files Collapse all files

19
libdecnumber/configure.ac
View File

@@ -99,8 +99,23 @@ AC_C_BIGENDIAN
# Enable --enable-host-shared.
AC_ARG_ENABLE(host-shared,
[AS_HELP_STRING([--enable-host-shared],
[build host code as shared libraries])],
[PICFLAG=-fPIC], [PICFLAG=])
[build host code as shared libraries])])
AC_SUBST(enable_host_shared)
# Enable --enable-host-pie.
AC_ARG_ENABLE(host-pie,
[AS_HELP_STRING([--enable-host-pie],
[build host code as PIE])])
AC_SUBST(enable_host_pie)
if test x$enable_host_shared = xyes; then
PICFLAG=-fPIC
elif test x$enable_host_pie = xyes; then
PICFLAG=-fPIE
else
PICFLAG=
fi
AC_SUBST(PICFLAG)
# Output.