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Use high entropy ASLR

pull/123/head
Chocobo1 2017-01-18 15:57:13 +08:00
parent d2a8c8d1ff
commit 2df33816ed
1 changed files with 7 additions and 0 deletions
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7
configure.ac
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@ -58,6 +58,13 @@ case "$host" in
CPPFLAGS="${CPPFLAGS} -DWIN32_LEAN_AND_MEAN"
CPPFLAGS="${CPPFLAGS} -D_WIN32_WINNT=NTDDI_WINXP"
LDFLAGS="${LDFLAGS} -Wl,--nxcompat,--dynamicbase"
dnl older mingw doesn't support `--high-entropy-va`
_save_ldflags="$LDFLAGS"
LDFLAGS="-Wl,--high-entropy-va"
AC_LINK_IFELSE([AC_LANG_PROGRAM([])],[AS_VAR_SET(high_entropy_aslr,[yes])],)
LDFLAGS="$_save_ldflags"
AS_VAR_IF(high_entropy_aslr,[yes],[LDFLAGS="${LDFLAGS} -Wl,--high-entropy-va"],)
;;
*)
test "${enable_distonly}" = "no" && AC_MSG_ERROR([This project is supported for windows only.])