blob: e5d4871c9ebbe6b492f379f4c36a1dee220456d1 [file] [log] [blame]
dnl Check if --with-expat[=PREFIX] is specified and
dnl Expat >= 1.95.0 is installed in the system.
dnl If yes, substitute EXPAT_CFLAGS, EXPAT_LIBS with regard to
dnl the specified PREFIX and set with_expat to PREFIX, or 'yes' if PREFIX
dnl has not been specified. Also HAVE_LIBEXPAT, HAVE_EXPAT_H are defined.
dnl If --with-expat has not been specified, set with_expat to 'no'.
dnl In addition, an Automake conditional EXPAT_INSTALLED is set accordingly.
dnl This is necessary to adapt a whole lot of packages that have expat
dnl bundled as a static library.
AC_DEFUN(AM_WITH_EXPAT,
[ AC_ARG_WITH(expat,
[ --with-expat=PREFIX Use system Expat library],
, with_expat=no)
AM_CONDITIONAL(EXPAT_INSTALLED, test $with_expat != no)
EXPAT_CFLAGS=
EXPAT_LIBS=
if test $with_expat != no; then
if test $with_expat != yes; then
EXPAT_CFLAGS="-I$with_expat/include"
EXPAT_LIBS="-L$with_expat/lib"
fi
AC_CHECK_LIB(expat, XML_ParserCreate,
[ EXPAT_LIBS="$EXPAT_LIBS -lexpat"
expat_found=yes ],
[ expat_found=no ],
"$EXPAT_LIBS")
if test $expat_found = no; then
AC_MSG_ERROR([Could not find the Expat library])
fi
expat_save_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS $EXPAT_CFLAGS"
AC_CHECK_HEADERS(expat.h, , expat_found=no)
if test $expat_found = no; then
AC_MSG_ERROR([Could not find expat.h])
fi
CFLAGS="$expat_save_CFLAGS"
fi
AC_SUBST(EXPAT_CFLAGS)
AC_SUBST(EXPAT_LIBS)
])