dnl Check for zlib AC_MSG_CHECKING([for zlib installation]) AC_ARG_WITH([zlib], [AS_HELP_STRING([--with-zlib@<:@=DIR@:>@], [path to directory containing zlib library @<:@default=/usr/local or /usr if not found in /usr/local@:>@])], [ if test "$withval"; then ZLIB_HOME="$withval" AC_MSG_RESULT([using $ZLIB_HOME]) fi ], [ ZLIB_HOME=/usr/local if test ! -f "$ZLIB_HOME/include/zlib.h" then ZLIB_HOME=/usr fi AC_MSG_RESULT([$ZLIB_HOME]) ]) CLAMDSCAN_LIBS="$FRESHCLAM_LIBS" AC_ARG_ENABLE([zlib-vcheck], [AS_HELP_STRING([--disable-zlib-vcheck], [do not check for buggy zlib version])], zlib_check=$enableval, zlib_check="yes") if test ! -f "$ZLIB_HOME/include/zlib.h" then AC_MSG_ERROR([Please install zlib and zlib-devel packages]) else vuln=`grep "ZLIB_VERSION \"1.2.0\"" $ZLIB_HOME/include/zlib.h` if test -z "$vuln"; then vuln=`grep "ZLIB_VERSION \"1.2.1\"" $ZLIB_HOME/include/zlib.h` fi if test -n "$vuln"; then if test "$zlib_check" = "yes"; then AC_MSG_ERROR(The installed zlib version may contain a security bug. Please upgrade to 1.2.2 or later: http://www.zlib.net. You can omit this check with --disable-zlib-vcheck but DO NOT REPORT any stability issues then!) else AC_MSG_WARN([****** This ClamAV installation may be linked against]) AC_MSG_WARN([****** a broken zlib version. Please DO NOT report any]) AC_MSG_WARN([****** stability problems to the ClamAV developers!]) fi fi save_LIBS="$LIBS" if test "$ZLIB_HOME" != "/usr"; then CPPFLAGS="$CPPFLAGS -I$ZLIB_HOME/include" save_LDFLAGS="$LDFLAGS" LDFLAGS="$LDFLAGS -L$ZLIB_HOME/lib" AC_CHECK_LIB([z], [inflateEnd], [LIBCLAMAV_LIBS="$LIBCLAMAV_LIBS -L$ZLIB_HOME/lib -lz"; FRESHCLAM_LIBS="$FRESHCLAM_LIBS -L$ZLIB_HOME/lib -lz"], AC_MSG_ERROR([Please install zlib and zlib-devel packages])) AC_CHECK_LIB([z], [gzopen], [], AC_MSG_ERROR([Your zlib is missing gzopen()])) LDFLAGS="$save_LDFLAGS" else AC_CHECK_LIB([z], [inflateEnd], [LIBCLAMAV_LIBS="$LIBCLAMAV_LIBS -lz";FRESHCLAM_LIBS="$FRESHCLAM_LIBS -lz"], AC_MSG_ERROR([Please install zlib and zlib-devel packages])) AC_CHECK_LIB([z], [gzopen],[], AC_MSG_ERROR([Your zlib is missing gzopen()])) fi LIBS="$save_LIBS" fi