+
+ # OpenSSL settings (need to do this first in case it's in a different spot from xmlsec)
+ AC_ARG_WITH(openssl,
+ AC_HELP_STRING([--with-openssl=PATH], [where openssl is installed]),
+ [if test x_$with_openssl != x_/usr; then
+ SSLFLAGS="-I${with_openssl}/include"
+ SSLLIBS="-L${with_openssl}/lib -lcrypto -lssl"
+ else
+ SSLLIBS="-lcrypto -lssl"
+ fi])
+
+ if test "x$SSLLIBS" = "x" ; then
+ AC_PATH_PROG(PKG_CONFIG, pkg-config)
+ if test "x$PKG_CONFIG" != x && test "x$PKG_CONFIG" != "xno" ; then
+ if pkg-config openssl ; then
+ SSLLIBS="`$PKG_CONFIG --libs openssl`"
+ SSLFLAGS="`$PKG_CONFIG --cflags openssl`"
+ else
+ AC_MSG_WARN([OpenSSL not supported by pkg-config, try --with-openssl instead])
+ fi
+ fi
+ fi
+
+ if test "x$SSLLIBS" = "x" ; then
+ SSLLIBS="-lcrypto -lssl"
+ fi
+
+ AC_MSG_CHECKING(for OpenSSL cflags)
+ AC_MSG_RESULT($SSLFLAGS)
+ CPPFLAGS="$CPPFLAGS $SSLFLAGS"
+ AC_MSG_CHECKING(for OpenSSL libraries)
+ AC_MSG_RESULT($SSLLIBS)
+ XMLSEC_LIBS="$XMLSEC_LIBS $SSLLIBS"
+
+ # save and append master libs
+ save_LIBS="$LIBS"
+ LIBS="$XMLSEC_LIBS $LIBS"
+
+ AC_CHECK_HEADER([openssl/pem.h],,
+ AC_MSG_ERROR([unable to find openssl header files]))
+ AC_MSG_CHECKING(for ERR_load_CRYPTO_string)
+ AC_TRY_LINK_FUNC([ERR_load_CRYPTO_strings],,
+ AC_MSG_ERROR([unable to link with openssl libraries]))
+ AC_MSG_RESULT(yes)
+
+ # restore master libs
+ LIBS="$save_LIBS"
+