diff --git a/configure.ac b/configure.ac index c0ade515e..0b2a429e0 100644 --- a/configure.ac +++ b/configure.ac @@ -345,7 +345,6 @@ 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="$HARDENED_CXXFLAGS -fstack-protector-all"]) - AX_CHECK_COMPILE_FLAG([-fPIE],[HARDENED_CXXFLAGS="$HARDENED_CXXFLAGS -fPIE"]) AX_CHECK_PREPROC_FLAG([-D_FORTIFY_SOURCE=2],[ AX_CHECK_PREPROC_FLAG([-U_FORTIFY_SOURCE],[ @@ -360,7 +359,8 @@ if test x$use_hardening != xno; then AX_CHECK_LINK_FLAG([[-Wl,-z,now]], [HARDENED_LDFLAGS="$HARDENED_LDFLAGS -Wl,-z,now"]) if test x$TARGET_OS != xwindows; then - # -pie will link successfully with MinGW, but it's unsupported and leads to undeterministic binaries + # All windows code is PIC, forcing it on just adds useless compile warnings + AX_CHECK_COMPILE_FLAG([-fPIE],[HARDENED_CXXFLAGS="$HARDENED_CXXFLAGS -fPIE"]) AX_CHECK_LINK_FLAG([[-pie]], [HARDENED_LDFLAGS="$HARDENED_LDFLAGS -pie"]) fi