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configure: Restore "x" in "[$]WITHVAL_$1" comparison

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Fix a minor bug introduced in commit
de45a1df516deee13fe002a0f71678a2ce46cd73 on 2005-07-21.
Before that, EL_CHECK_OPTIONAL_LIBRARY used to do this:

	if test -n "$withval" && test "x$withval" != xno; then
		AC_MSG_ERROR([$2 not found])
	fi

It was then changed to look in "[$]WITHVAL_$1" rather than "$withval",
but the initial "x" was lost in that change.  Restore it.
This commit is contained in:
Kalle Olavi Niemitalo 2011-05-01 01:24:40 +03:00 committed by Kalle Olavi Niemitalo
parent 2d8fd9cecf
commit 0dee9f79a7
1 changed files with 1 additions and 1 deletions
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2
configure.in
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@ -440,7 +440,7 @@ AC_DEFUN([EL_CHECK_OPTIONAL_LIBRARY],
LIBS="$LIBS -l$4" LIBS="$LIBS -l$4"
else else
if test -n "[$]WITHVAL_$1" && if test -n "[$]WITHVAL_$1" &&
test "[$]WITHVAL_$1" != xno; then test "x[$]WITHVAL_$1" != xno; then
AC_MSG_ERROR([$2 not found]) AC_MSG_ERROR([$2 not found])
fi fi
EL_RESTORE_FLAGS EL_RESTORE_FLAGS