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test for -pie linker flag as well, for Linux

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This commit is contained in:
Matt Johnston 2017-06-24 01:01:11 +08:00
parent 521e63529c
commit 5896a4941d
1 changed files with 9 additions and 1 deletions
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8
configure.ac
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@ -56,10 +56,18 @@ if test "$hardenbuild" -eq 1; then
OLDLDFLAGS="$LDFLAGS"
TESTFLAGS="-Wl,-pie"
LDFLAGS="$LDFLAGS $TESTFLAGS"
AC_LINK_IFELSE([AC_LANG_PROGRAM([])],
[AC_MSG_NOTICE([Setting $TESTFLAGS])],
[
LDFLAGS="$OLDLDFLAGS"
TESTFLAGS="-pie"
LDFLAGS="$LDFLAGS $TESTFLAGS"
AC_LINK_IFELSE([AC_LANG_PROGRAM([])],
[AC_MSG_NOTICE([Setting $TESTFLAGS])],
[AC_MSG_NOTICE([Not setting $TESTFLAGS]); LDFLAGS="$OLDLDFLAGS" ]
)
]
)
# readonly elf relocation sections (relro)
OLDLDFLAGS="$LDFLAGS"
TESTFLAGS="-Wl,-z,now -Wl,-z,relro"