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GNU C Library master sources branch hjl/pr21815/master created. glibc-2.25-775-ga875730


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The branch, hjl/pr21815/master has been created
        at  a8757308cbf5a869f06b656c0b443b453aec9135 (commit)

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http://sourceware.org/git/gitweb.cgi?p=glibc.git;a=commitdiff;h=a8757308cbf5a869f06b656c0b443b453aec9135

commit a8757308cbf5a869f06b656c0b443b453aec9135
Author: H.J. Lu <hjl.tools@gmail.com>
Date:   Wed Jul 19 12:04:14 2017 -0700

    Compile tst-prelink.c without PIE [BZ #21815]
    
    tst-prelink.c checks for conflict with GLOB_DAT relocation against stdio.
    On i386, there is no GLOB_DAT relocation against stdio with PIE.  We
    should compile tst-prelink.c without PIE.
    
    	[BZ #21815]
    	* elf/Makefile (CFLAGS-tst-prelink.c): New.
    	(LDFLAGS-tst-prelink): Likewise.

diff --git a/elf/Makefile b/elf/Makefile
index e758a4c..d39f4c5 100644
--- a/elf/Makefile
+++ b/elf/Makefile
@@ -356,6 +356,9 @@ update-all-abi: update-all-abi-ld
 
 ifeq ($(have-glob-dat-reloc),yes)
 tests += tst-prelink
+# Don't compile tst-prelink.c with PIE for GLOB_DAT relocation.
+CFLAGS-tst-prelink.c += -fno-pie
+LDFLAGS-tst-prelink = $(no-pie-ldflag)
 ifeq ($(run-built-tests),yes)
 tests-special += $(objpfx)tst-prelink-cmp.out
 endif

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