AM_CONDITIONAL fails with line break at the end of $2

[Dimitrios Apostolou]

Hello list,

the following snippet generates invalid shell code (and a cryptic error 
message) because of the line break right before the closing parenthesis.

AM_CONDITIONAL([HAVE_LIBXML2],
    [test "x$with_libxml2" != xno &&
     test "x$ac_cv_lib_xml2_xmlFirstElementChild" = xyes]
)


Generated code (semi-colon at beginning of line creates problems):

 if test "x$with_libxml2" != xno &&
     test "x$ac_cv_lib_xml2_xmlFirstElementChild" = xyes
; then
  HAVE_LIBXML2_TRUE=
  HAVE_LIBXML2_FALSE='#'
else
  HAVE_LIBXML2_TRUE='#'
  HAVE_LIBXML2_FALSE=
fi


The attached patch attempts to fix the issue, do you think it is the right 
approach?


Thanks in advance,
Dimitris

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