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Viewing changes to m4/reorganization/libs/libz.m4

  • Committer: Package Import Robot
  • Author(s): Scott Kitterman
  • Date: 2014-07-15 01:08:10 UTC
  • mfrom: (0.35.47 sid)
  • Revision ID: package-import@ubuntu.com-20140715010810-ru66ek4fun2iseba
Tags: 0.98.4+dfsg-2~ubuntu13.10.1
https://launchpad.net/bugs/1341962
No-change backport to saucy (LP: #1341962)

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m4/reorganization/libs/libz.m4
 
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dnl Check for zlib
 
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AC_MSG_CHECKING([for zlib installation])
 
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AC_ARG_WITH([zlib],
 
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[  --with-zlib=DIR        path to directory containing zlib library (default=
 
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                          /usr/local or /usr if not found in /usr/local)],
 
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[
 
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if test "$withval"; then
 
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  ZLIB_HOME="$withval"
 
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  AC_MSG_RESULT([using $ZLIB_HOME])
 
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fi
 
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], [
 
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ZLIB_HOME=/usr/local
 
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if test ! -f "$ZLIB_HOME/include/zlib.h"
 
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then
 
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  ZLIB_HOME=/usr
 
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fi
 
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AC_MSG_RESULT([$ZLIB_HOME])
 
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])
 
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CLAMDSCAN_LIBS="$FRESHCLAM_LIBS"
 
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AC_ARG_ENABLE([zlib-vcheck],
 
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[  --disable-zlib-vcheck          do not check for buggy zlib version ],
 
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zlib_check=$enableval, zlib_check="yes")
 
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if test ! -f "$ZLIB_HOME/include/zlib.h"
 
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then
 
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    AC_MSG_ERROR([Please install zlib and zlib-devel packages])
 
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else
 
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    vuln=`grep "ZLIB_VERSION \"1.2.0" $ZLIB_HOME/include/zlib.h`
 
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    if test -z "$vuln"; then
 
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        vuln=`grep "ZLIB_VERSION \"1.2.1" $ZLIB_HOME/include/zlib.h`
 
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    fi
 
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    if test -n "$vuln"; then
 
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        if test "$zlib_check" = "yes"; then
 
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            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!)
 
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        else
 
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            AC_MSG_WARN([****** This ClamAV installation may be linked against])
 
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            AC_MSG_WARN([****** a broken zlib version. Please DO NOT report any])
 
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            AC_MSG_WARN([****** stability problems to the ClamAV developers!])
 
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        fi
 
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    fi
 
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    save_LIBS="$LIBS"
 
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    if test "$ZLIB_HOME" != "/usr"; then
 
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        CPPFLAGS="$CPPFLAGS -I$ZLIB_HOME/include"
 
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        save_LDFLAGS="$LDFLAGS"
 
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    LDFLAGS="$LDFLAGS -L$ZLIB_HOME/lib"
 
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    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]))
 
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        AC_CHECK_LIB([z], [gzopen], [], AC_MSG_ERROR([Your zlib is missing gzopen()]))
 
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        LDFLAGS="$save_LDFLAGS"
 
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    else
 
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        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]))
 
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        AC_CHECK_LIB([z], [gzopen],[], AC_MSG_ERROR([Your zlib is missing gzopen()]))
 
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    fi
 
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    LIBS="$save_LIBS"
 
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fi