mirror of
https://github.com/openwrt/openwrt.git
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57 lines
1.7 KiB
Diff
57 lines
1.7 KiB
Diff
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--- a/configure.ac
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+++ b/configure.ac
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@@ -70,53 +70,6 @@ AC_ARG_ENABLE(harden,
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if test "$hardenbuild" -eq 1; then
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AC_MSG_NOTICE(Checking for available hardened build flags:)
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- # relocation flags don't make sense for static builds
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- if test "$STATIC" -ne 1; then
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- # pie
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- DB_TRYADDCFLAGS([-fPIE])
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-
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- OLDLDFLAGS="$LDFLAGS"
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- TESTFLAGS="-Wl,-pie"
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- LDFLAGS="$LDFLAGS $TESTFLAGS"
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- AC_LINK_IFELSE([AC_LANG_PROGRAM([])],
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- [AC_MSG_NOTICE([Setting $TESTFLAGS])],
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- [
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- LDFLAGS="$OLDLDFLAGS"
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- TESTFLAGS="-pie"
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- LDFLAGS="$LDFLAGS $TESTFLAGS"
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- AC_LINK_IFELSE([AC_LANG_PROGRAM([])],
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- [AC_MSG_NOTICE([Setting $TESTFLAGS])],
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- [AC_MSG_NOTICE([Not setting $TESTFLAGS]); LDFLAGS="$OLDLDFLAGS" ]
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- )
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- ]
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- )
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- # readonly elf relocation sections (relro)
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- OLDLDFLAGS="$LDFLAGS"
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- TESTFLAGS="-Wl,-z,now -Wl,-z,relro"
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- LDFLAGS="$LDFLAGS $TESTFLAGS"
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- AC_LINK_IFELSE([AC_LANG_PROGRAM([])],
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- [AC_MSG_NOTICE([Setting $TESTFLAGS])],
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- [AC_MSG_NOTICE([Not setting $TESTFLAGS]); LDFLAGS="$OLDLDFLAGS" ]
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- )
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- fi # non-static
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- # stack protector. -strong is good but only in gcc 4.9 or later
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- OLDCFLAGS="$CFLAGS"
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- TESTFLAGS="-fstack-protector-strong"
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- CFLAGS="$CFLAGS $TESTFLAGS"
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- AC_COMPILE_IFELSE([AC_LANG_PROGRAM([])],
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- [AC_MSG_NOTICE([Setting $TESTFLAGS])],
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- [
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- CFLAGS="$OLDCFLAGS"
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- TESTFLAGS="-fstack-protector --param=ssp-buffer-size=4"
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- CFLAGS="$CFLAGS $TESTFLAGS"
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- AC_COMPILE_IFELSE([AC_LANG_PROGRAM([])],
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- [AC_MSG_NOTICE([Setting $TESTFLAGS])],
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- [AC_MSG_NOTICE([Not setting $TESTFLAGS]); CFLAGS="$OLDCFLAGS" ]
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- )
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- ]
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- )
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- # FORTIFY_SOURCE
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- DB_TRYADDCFLAGS([-D_FORTIFY_SOURCE=2])
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# Spectre v2 mitigations
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DB_TRYADDCFLAGS([-mfunction-return=thunk])
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