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Fix "conditional "ADD_MULODI4" was never defined".

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This commit is contained in:
Nick Mathewson 2016-05-19 16:38:24 -04:00
parent dcc4fd4403
commit 60ac07940f
1 changed files with 3 additions and 2 deletions
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5
configure.ac
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@ -801,6 +801,7 @@ fi
CFLAGS_BUGTRAP="$CFLAGS_FTRAPV $CFLAGS_ASAN $CFLAGS_UBSAN"
CFLAGS_CONSTTIME="$CFLAGS_FWRAPV"
mulodi_fixes_ftrapv=no
if test "$have_clang" = "yes"; then
saved_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS $CFLAGS_FTRAPV"
@ -817,7 +818,6 @@ if test "$have_clang" = "yes"; then
} ]])],
[ftrapv_can_link=yes; AC_MSG_RESULT([yes])],
[ftrapv_can_link=no; AC_MSG_RESULT([no])])
mulodi_fixes_ftrapv=no
if test "$ftrapv_can_link" = "no"; then
AC_MSG_CHECKING([whether defining __mulodi4 fixes that])
AC_LINK_IFELSE([
@ -837,10 +837,11 @@ if test "$have_clang" = "yes"; then
[mulodi_fixes_ftrapv=yes; AC_MSG_RESULT([yes])],
[mulodi_fixes_ftrapv=no; AC_MSG_RESULT([no])])
fi
AM_CONDITIONAL(ADD_MULODI4, test "$mulodi_fixes_ftrapv" = "yes")
CFLAGS="$saved_CFLAGS"
fi
AM_CONDITIONAL(ADD_MULODI4, test "$mulodi_fixes_ftrapv" = "yes")
dnl These cflags add bunches of branches, and we haven't been able to
dnl persuade ourselves that they're suitable for code that needs to be
dnl constant time.