View file File name : expat.m4 Content :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) ])