1 dnl

     2 dnl Autoconf support for finding OpenSSL

     3 dnl

     4 dnl

     5 

     6 AC_DEFUN(AC_CONFIG_OPENSSL, [

     7     if test "$ac_bsp" = yes; then

     8         ac_openssldir='yes'

     9         

    10         AC_ARG_WITH(openssl,

    11             AC_HELP_STRING([--with-openssl=DIR],

    12                 [location of an OpenSSL installation (default system)]),

    13             ac_openssldir=$withval)

    14         

    15         ac_save_CPPFLAGS="$CPPFLAGS"

    16         ac_save_LDFLAGS="$LDFLAGS"

    17         ac_save_LIBS="$LIBS"

    18         

    19         dnl

    20         dnl Now check if we have a cached value, unless the user specified

    21         dnl something explicit with the --with-openssl= argument, in

    22         dnl which case we force it to redo the checks (i.e. ignore the

    23         dnl cached values)

    24         dnl

    25         if test "$ac_openssldir" = yes -a ! x$openssl_cv_include = x ; then

    26             echo "checking for OpenSSL installation... (cached) $openssl_cv_include/openssl/evp.h, $openssl_cv_lib -lcrypto"

    27         else

    28             if test "$ac_openssldir" = system -o \

    29                     "$ac_openssldir" = yes -o \

    30                     "$ac_openssldir" = "" ; 

    31             then

    32                 ac_openssldir="/usr/include"

    33                 

    34                 openssl_include=$ac_openssldir

    35                 openssl_lib="/usr/lib"

    36             else

    37                 openssl_include=$ac_openssldir/include

    38                 CPPFLAGS="-I$openssl_include"

    39                 openssl_lib=$ac_openssldir/lib

    40                 LDFLAGS="-L$openssl_lib"

    41            fi

    42             

    43         fi

    44         

    45         AC_CHECK_HEADERS([$openssl_include/openssl/evp.h], [], [AC_MSG_FAILURE([Cannot find OpenSSL.

    46        On Debian-based Linux systems, you need the 'libssl-dev' package.])])

    47         

    48         AC_CHECK_LIB([crypto], [EVP_DigestInit], [], [AC_MSG_FAILURE([Cannot find OpenSSL.

    49        On Debian-based Linux systems, you need the 'libssl-dev' package.])])

    50         

    51         AC_CHECK_LIB([crypto], [EVP_sha256], [], [AC_MSG_FAILURE([Cannot find EVP_sha256.

    52        On Mac OS X systems, you probably need an updated OpenSSL package, version 0.9.8.

    53        Specify   --with-openssl=/path/to/openssl LDFLAGS="-Wl,-search_paths_first"])])

    54 

    55        if test "$openssl_include" != /usr/include ; then

    56           EXTLIB_CFLAGS="$EXTLIB_CFLAGS -I$openssl_include"

    57        fi

    58 

    59        if test "$openssl_lib" != /usr/lib ; then

    60 	   EXTLIB_LDFLAGS="$EXTLIB_LDFLAGS -L$openssl_lib"

    61        fi

    62        

    63        EXTLIB_LDFLAGS="$EXTLIB_LDFLAGS -lcrypto"

    64 

    65        CPPFLAGS=$ac_save_CPPFLAGS

    66        LDFLAGS=$ac_save_LDFLAGS

    67        LIBS=$ac_save_LIBS

    68     fi

    69 ])