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authorH.J. Lu <hjl.tools@gmail.com>2015-06-25 02:37:04 -0700
committerH.J. Lu <hjl.tools@gmail.com>2015-06-25 02:49:53 -0700
commitcc08749b2d1c68284b25b157fbbe1ff219495cae (patch)
tree0b0f104c2866770c1983e521184869f3829b40f6 /libio
parent45a8f0e6629d7772b9fa1aef0389bc51a094424d (diff)
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Support compilers defaulting to PIE
To support building glibc with GCC 6 configured with --enable-default-pie,
which generates PIE by default, we need to build programs as PIE.  But
elf/tst-dlopen-aout must not be built as PIE since it tests dlopen on
ET_EXEC file and PIE is ET_DYN.

	[BZ #17841]
	* Makeconfig (no-pie-ldflag): New.
	(+link): Set to $(+link-pie) if default to PIE.
	(+link-tests): Set to $(+link-pie-tests) if default to PIE.
	* config.make.in (build-pie-default): New.
	* configure.ac (libc_cv_pie_default): New.  Set to yes if -fPIE
	is default.  AC_SUBST.
	* configure: Regenerated.
	* elf/Makefile (LDFLAGS-tst-dlopen-aout): New.
Diffstat (limited to 'libio')
0 files changed, 0 insertions, 0 deletions