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@@ -801,6 +801,7 @@ fi
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CFLAGS_BUGTRAP="$CFLAGS_FTRAPV $CFLAGS_ASAN $CFLAGS_UBSAN"
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CFLAGS_BUGTRAP="$CFLAGS_FTRAPV $CFLAGS_ASAN $CFLAGS_UBSAN"
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CFLAGS_CONSTTIME="$CFLAGS_FWRAPV"
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CFLAGS_CONSTTIME="$CFLAGS_FWRAPV"
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+mulodi_fixes_ftrapv=no
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if test "$have_clang" = "yes"; then
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if test "$have_clang" = "yes"; then
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saved_CFLAGS="$CFLAGS"
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saved_CFLAGS="$CFLAGS"
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CFLAGS="$CFLAGS $CFLAGS_FTRAPV"
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CFLAGS="$CFLAGS $CFLAGS_FTRAPV"
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@@ -817,7 +818,6 @@ if test "$have_clang" = "yes"; then
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} ]])],
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} ]])],
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[ftrapv_can_link=yes; AC_MSG_RESULT([yes])],
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[ftrapv_can_link=yes; AC_MSG_RESULT([yes])],
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[ftrapv_can_link=no; AC_MSG_RESULT([no])])
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[ftrapv_can_link=no; AC_MSG_RESULT([no])])
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- mulodi_fixes_ftrapv=no
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if test "$ftrapv_can_link" = "no"; then
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if test "$ftrapv_can_link" = "no"; then
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AC_MSG_CHECKING([whether defining __mulodi4 fixes that])
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AC_MSG_CHECKING([whether defining __mulodi4 fixes that])
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AC_LINK_IFELSE([
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AC_LINK_IFELSE([
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@@ -837,10 +837,11 @@ if test "$have_clang" = "yes"; then
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[mulodi_fixes_ftrapv=yes; AC_MSG_RESULT([yes])],
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[mulodi_fixes_ftrapv=yes; AC_MSG_RESULT([yes])],
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[mulodi_fixes_ftrapv=no; AC_MSG_RESULT([no])])
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[mulodi_fixes_ftrapv=no; AC_MSG_RESULT([no])])
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fi
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fi
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- AM_CONDITIONAL(ADD_MULODI4, test "$mulodi_fixes_ftrapv" = "yes")
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CFLAGS="$saved_CFLAGS"
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CFLAGS="$saved_CFLAGS"
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fi
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fi
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+AM_CONDITIONAL(ADD_MULODI4, test "$mulodi_fixes_ftrapv" = "yes")
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+
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dnl These cflags add bunches of branches, and we haven't been able to
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dnl These cflags add bunches of branches, and we haven't been able to
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dnl persuade ourselves that they're suitable for code that needs to be
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dnl persuade ourselves that they're suitable for code that needs to be
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dnl constant time.
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dnl constant time.
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Nick Mathewson