mirror of
https://github.com/clearml/dropbear
synced 2025-05-31 10:28:20 +00:00
Test linking for hardening options
Some options depend on correct library support.
This commit is contained in:
Matt Johnston
parent
2e0a16c334
commit
72d8cae7a4
40
configure
vendored
40
configure
vendored
@ -3204,7 +3204,7 @@ main ()
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return 0;
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}
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_ACEOF
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if ac_fn_c_try_compile "$LINENO"; then :
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if ac_fn_c_try_link "$LINENO"; then :
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{ $as_echo "$as_me:${as_lineno-$LINENO}: Setting $TESTFLAGS" >&5
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$as_echo "$as_me: Setting $TESTFLAGS" >&6;}
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else
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@ -3212,7 +3212,8 @@ else
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$as_echo "$as_me: Not setting $TESTFLAGS" >&6;}; CFLAGS="$OLDFLAGS"
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fi
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rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
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rm -f core conftest.err conftest.$ac_objext \
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conftest$ac_exeext conftest.$ac_ext
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}
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{ $as_echo "$as_me:${as_lineno-$LINENO}: Checking if compiler '$CC' supports -fno-strict-overflow" >&5
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@ -3232,7 +3233,7 @@ main ()
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return 0;
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}
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_ACEOF
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if ac_fn_c_try_compile "$LINENO"; then :
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if ac_fn_c_try_link "$LINENO"; then :
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{ $as_echo "$as_me:${as_lineno-$LINENO}: Setting $TESTFLAGS" >&5
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$as_echo "$as_me: Setting $TESTFLAGS" >&6;}
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else
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@ -3240,7 +3241,8 @@ else
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$as_echo "$as_me: Not setting $TESTFLAGS" >&6;}; CFLAGS="$OLDFLAGS"
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fi
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rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
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rm -f core conftest.err conftest.$ac_objext \
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conftest$ac_exeext conftest.$ac_ext
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}
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# needed for various extensions. define early before autoconf tests
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@ -3296,7 +3298,7 @@ main ()
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return 0;
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}
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_ACEOF
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if ac_fn_c_try_compile "$LINENO"; then :
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if ac_fn_c_try_link "$LINENO"; then :
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{ $as_echo "$as_me:${as_lineno-$LINENO}: Setting $TESTFLAGS" >&5
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$as_echo "$as_me: Setting $TESTFLAGS" >&6;}
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else
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@ -3304,7 +3306,8 @@ else
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$as_echo "$as_me: Not setting $TESTFLAGS" >&6;}; CFLAGS="$OLDFLAGS"
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fi
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rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
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rm -f core conftest.err conftest.$ac_objext \
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conftest$ac_exeext conftest.$ac_ext
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}
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OLDLDFLAGS="$LDFLAGS"
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@ -3396,7 +3399,7 @@ main ()
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return 0;
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}
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_ACEOF
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if ac_fn_c_try_compile "$LINENO"; then :
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if ac_fn_c_try_link "$LINENO"; then :
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{ $as_echo "$as_me:${as_lineno-$LINENO}: Setting $TESTFLAGS" >&5
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$as_echo "$as_me: Setting $TESTFLAGS" >&6;}
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else
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@ -3415,7 +3418,7 @@ main ()
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return 0;
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}
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_ACEOF
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if ac_fn_c_try_compile "$LINENO"; then :
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if ac_fn_c_try_link "$LINENO"; then :
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{ $as_echo "$as_me:${as_lineno-$LINENO}: Setting $TESTFLAGS" >&5
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$as_echo "$as_me: Setting $TESTFLAGS" >&6;}
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else
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@ -3423,11 +3426,13 @@ else
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$as_echo "$as_me: Not setting $TESTFLAGS" >&6;}; CFLAGS="$OLDCFLAGS"
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fi
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rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
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rm -f core conftest.err conftest.$ac_objext \
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conftest$ac_exeext conftest.$ac_ext
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fi
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rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
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rm -f core conftest.err conftest.$ac_objext \
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conftest$ac_exeext conftest.$ac_ext
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# FORTIFY_SOURCE
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{
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OLDFLAGS="$CFLAGS"
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@ -3444,7 +3449,7 @@ main ()
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return 0;
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}
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_ACEOF
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if ac_fn_c_try_compile "$LINENO"; then :
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if ac_fn_c_try_link "$LINENO"; then :
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{ $as_echo "$as_me:${as_lineno-$LINENO}: Setting $TESTFLAGS" >&5
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$as_echo "$as_me: Setting $TESTFLAGS" >&6;}
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else
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@ -3452,7 +3457,8 @@ else
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$as_echo "$as_me: Not setting $TESTFLAGS" >&6;}; CFLAGS="$OLDFLAGS"
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fi
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rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
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rm -f core conftest.err conftest.$ac_objext \
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conftest$ac_exeext conftest.$ac_ext
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}
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# Spectre v2 mitigations
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@ -3471,7 +3477,7 @@ main ()
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return 0;
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}
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_ACEOF
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if ac_fn_c_try_compile "$LINENO"; then :
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if ac_fn_c_try_link "$LINENO"; then :
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{ $as_echo "$as_me:${as_lineno-$LINENO}: Setting $TESTFLAGS" >&5
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$as_echo "$as_me: Setting $TESTFLAGS" >&6;}
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else
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@ -3479,7 +3485,8 @@ else
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$as_echo "$as_me: Not setting $TESTFLAGS" >&6;}; CFLAGS="$OLDFLAGS"
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fi
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rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
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rm -f core conftest.err conftest.$ac_objext \
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conftest$ac_exeext conftest.$ac_ext
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}
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{
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OLDFLAGS="$CFLAGS"
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@ -3496,7 +3503,7 @@ main ()
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return 0;
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}
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_ACEOF
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if ac_fn_c_try_compile "$LINENO"; then :
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if ac_fn_c_try_link "$LINENO"; then :
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{ $as_echo "$as_me:${as_lineno-$LINENO}: Setting $TESTFLAGS" >&5
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$as_echo "$as_me: Setting $TESTFLAGS" >&6;}
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else
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@ -3504,7 +3511,8 @@ else
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$as_echo "$as_me: Not setting $TESTFLAGS" >&6;}; CFLAGS="$OLDFLAGS"
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fi
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rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
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rm -f core conftest.err conftest.$ac_objext \
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conftest$ac_exeext conftest.$ac_ext
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}
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fi
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54
configure.ac
54
configure.ac
@ -23,15 +23,15 @@ AC_PROG_CC
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if test -z "$LD" ; then
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LD=$CC
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fi
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AC_SUBST(LD)
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AC_SUBST(LD)
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AC_DEFUN(DB_TRYADDCFLAGS,
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AC_DEFUN(DB_TRYADDCFLAGS,
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[{
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OLDFLAGS="$CFLAGS"
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TESTFLAGS="$1"
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CFLAGS="$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_LINK_IFELSE([AC_LANG_PROGRAM([])],
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[AC_MSG_NOTICE([Setting $TESTFLAGS])],
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[AC_MSG_NOTICE([Not setting $TESTFLAGS]); CFLAGS="$OLDFLAGS" ]
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)
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}])
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@ -82,14 +82,14 @@ if test "$hardenbuild" -eq 1; then
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OLDLDFLAGS="$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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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_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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@ -98,8 +98,8 @@ if test "$hardenbuild" -eq 1; then
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OLDLDFLAGS="$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_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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@ -107,14 +107,14 @@ if test "$hardenbuild" -eq 1; then
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OLDCFLAGS="$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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AC_LINK_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_LINK_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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@ -174,7 +174,7 @@ case "$host" in
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# OpenSSH thinks it's broken. If it isn't, let me know.
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AC_DEFINE(BROKEN_GETADDRINFO,1,Broken getaddrinfo)
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;;
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*-*-hpux*)
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LIBS="$LIBS -lsec"
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# It's probably broken.
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@ -191,7 +191,7 @@ AC_CHECK_TOOL(STRIP, strip, :)
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AC_CHECK_TOOL(INSTALL, install, :)
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dnl Can't use login() or logout() with uclibc
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AC_CHECK_DECL(__UCLIBC__,
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AC_CHECK_DECL(__UCLIBC__,
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[
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no_loginfunc_check=1
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AC_MSG_NOTICE([Using uClibc - login() and logout() probably don't work, so we won't use them.])
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@ -199,14 +199,14 @@ AC_CHECK_DECL(__UCLIBC__,
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dnl We test for crypt() specially. On Linux (and others?) it resides in libcrypt
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dnl but we don't want link all binaries to -lcrypt, just dropbear server.
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dnl OS X doesn't need -lcrypt
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dnl OS X doesn't need -lcrypt
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AC_CHECK_FUNC(crypt, found_crypt_func=here)
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AC_CHECK_LIB(crypt, crypt,
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AC_CHECK_LIB(crypt, crypt,
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[
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CRYPTLIB="-lcrypt"
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found_crypt_func=here
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])
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AC_SUBST(CRYPTLIB)
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AC_SUBST(CRYPTLIB)
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if test "t$found_crypt_func" = there; then
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AC_DEFINE(HAVE_CRYPT, 1, [crypt() function])
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fi
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@ -568,7 +568,7 @@ AC_ARG_ENABLE(bundled-libtom,
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)
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if test $BUNDLED_LIBTOM = 1 ; then
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AC_DEFINE(BUNDLED_LIBTOM,1,Use bundled libtom)
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AC_DEFINE(BUNDLED_LIBTOM,1,Use bundled libtom)
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fi
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AC_SUBST(LIBTOM_LIBS)
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@ -641,7 +641,7 @@ AC_ARG_ENABLE(pututxline,
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AC_ARG_WITH(lastlog,
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[ --with-lastlog=FILE|DIR specify lastlog location [common locations]],
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[
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if test "x$withval" = "xno" ; then
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if test "x$withval" = "xno" ; then
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AC_DEFINE(DISABLE_LASTLOG)
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else
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conf_lastlog_location=$withval
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@ -716,7 +716,7 @@ fi
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if test -n "$conf_lastlog_location"; then
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AC_DEFINE_UNQUOTED(CONF_LASTLOG_FILE, "$conf_lastlog_location", lastlog file location)
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fi
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fi
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dnl utmp detection
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AC_MSG_CHECKING([if your system defines UTMP_FILE])
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@ -746,7 +746,7 @@ if test -z "$conf_utmp_location"; then
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fi
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if test -n "$conf_utmp_location"; then
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AC_DEFINE_UNQUOTED(CONF_UTMP_FILE, "$conf_utmp_location", utmp file location)
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fi
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fi
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dnl wtmp detection
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AC_MSG_CHECKING([if your system defines WTMP_FILE])
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@ -778,7 +778,7 @@ if test -z "$conf_wtmp_location"; then
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fi
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if test -n "$conf_wtmp_location"; then
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AC_DEFINE_UNQUOTED(CONF_WTMP_FILE, "$conf_wtmp_location", wtmp file location)
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fi
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fi
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dnl utmpx detection - I don't know any system so perverse as to require
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@ -806,7 +806,7 @@ if test -z "$conf_utmpx_location"; then
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fi
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else
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AC_DEFINE_UNQUOTED(CONF_UTMPX_FILE, "$conf_utmpx_location", utmpx file location)
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fi
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fi
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dnl wtmpx detection
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AC_MSG_CHECKING([if your system defines WTMPX_FILE])
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@ -833,7 +833,7 @@ if test -z "$conf_wtmpx_location"; then
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fi
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else
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AC_DEFINE_UNQUOTED(CONF_WTMPX_FILE, "$conf_wtmpx_location", wtmpx file location)
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fi
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fi
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# Checks for library functions.
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AC_PROG_GCC_TRADITIONAL
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@ -869,7 +869,7 @@ fi
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AC_EXEEXT
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if test $BUNDLED_LIBTOM = 1 ; then
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(cd $srcdir; find libtomcrypt -type d) | xargs mkdir -pv
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(cd $srcdir; find libtomcrypt -type d) | xargs mkdir -pv
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LIBTOM_FILES="libtomcrypt/Makefile libtommath/Makefile"
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fi
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