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diff --git a/configure.ac b/configure.ac
index 653fe71..1d60d30 100644
--- a/configure.ac
+++ b/configure.ac
@@ -504,14 +504,6 @@ fi
if test x$use_hardening != xno; then
AX_CHECK_COMPILE_FLAG([-Wstack-protector],[HARDENED_CXXFLAGS="$HARDENED_CXXFLAGS -Wstack-protector"])
- AX_CHECK_COMPILE_FLAG([-fstack-protector-all],[HARDENED_CXXFLAGS="$HARDENED_CXXFLAGS -fstack-protector-all"])
-
- AX_CHECK_PREPROC_FLAG([-D_FORTIFY_SOURCE=2],[
- AX_CHECK_PREPROC_FLAG([-U_FORTIFY_SOURCE],[
- HARDENED_CPPFLAGS="$HARDENED_CPPFLAGS -U_FORTIFY_SOURCE"
- ])
- HARDENED_CPPFLAGS="$HARDENED_CPPFLAGS -D_FORTIFY_SOURCE=2"
- ])
AX_CHECK_LINK_FLAG([[-Wl,--dynamicbase]], [HARDENED_LDFLAGS="$HARDENED_LDFLAGS -Wl,--dynamicbase"])
AX_CHECK_LINK_FLAG([[-Wl,--nxcompat]], [HARDENED_LDFLAGS="$HARDENED_LDFLAGS -Wl,--nxcompat"])
@@ -519,11 +511,6 @@ if test x$use_hardening != xno; then
AX_CHECK_LINK_FLAG([[-Wl,-z,relro]], [HARDENED_LDFLAGS="$HARDENED_LDFLAGS -Wl,-z,relro"])
AX_CHECK_LINK_FLAG([[-Wl,-z,now]], [HARDENED_LDFLAGS="$HARDENED_LDFLAGS -Wl,-z,now"])
- if test x$TARGET_OS != xwindows; then
- AX_CHECK_COMPILE_FLAG([-fPIE],[PIE_FLAGS="-fPIE"])
- AX_CHECK_LINK_FLAG([[-pie]], [HARDENED_LDFLAGS="$HARDENED_LDFLAGS -pie"])
- fi
-
case $host in
*mingw*)
AC_CHECK_LIB([ssp], [main],, AC_MSG_ERROR(lib missing))
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