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configure.ac
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configure.ac
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AC_INIT(main.c)
AC_PROG_CC
AC_LANG_C
AC_PROG_MAKE_SET
AC_HEADER_STDC
AC_SYS_LARGEFILE
AC_ARG_WITH(libuseful, [ --with-libuseful use system-wide libUseful (default=auto) ], cf_system_libuseful=$withval )
if test "$cf_system_libuseful" != "no"
then
AC_CHECK_LIB([Useful-5],GetToken,[cf_have_libUseful5=yes],[cf_have_libUseful5=no])
if test "$cf_have_libUseful5" = "yes"
then
AC_CHECK_HEADERS([libUseful-5/libUseful.h])
else
AC_CHECK_LIB([Useful-4],GetToken,[cf_have_libUseful4=yes],[cf_have_libUseful4=no])
AC_CHECK_HEADERS([libUseful-4/libUseful.h])
fi
fi
if test "$cf_have_libUseful5" = "yes"
then
echo "installed libUseful-5 found, using that instead of bundled libUseful."
echo "if you want to use bundled libUseful, force it with --with-libuseful=no"
AC_SUBST(LIBUSEFUL_BUNDLED,"")
dnl Default behavior of AC_CHECK_LIB is to add the library to the LIBS variable
dnl previous AC_CHECK_LIB don't do this, because an action is supplied for them
AC_CHECK_LIB([Useful-5],GetToken)
dnl openssl isn't really needed, but if it exists and we're using a system-wide libUseful, then that will
dnl likely be linked against it
AC_CHECK_LIB(ssl,SSL_library_init,,)
AC_CHECK_LIB(crypto,EVP_CIPHER_CTX_init,,)
elif test "$cf_have_libUseful4" = "yes"
then
echo "installed libUseful-4 found, using that instead of bundled libUseful."
echo "if you want to use bundled libUseful, force it with --with-libuseful=no"
AC_SUBST(LIBUSEFUL_BUNDLED,"")
dnl Default behavior of AC_CHECK_LIB is to add the library to the LIBS variable
dnl previous AC_CHECK_LIB don't do this, because an action is supplied for them
AC_CHECK_LIB([Useful-4],GetToken)
dnl openssl isn't really needed, but if it exists and we're using a system-wide libUseful, then that will
dnl likely be linked against it
AC_CHECK_LIB(ssl,SSL_library_init,,)
AC_CHECK_LIB(crypto,EVP_CIPHER_CTX_init,,)
else
AC_SUBST(LIBUSEFUL_BUNDLED,"libUseful-4/libUseful.a")
AC_CONFIG_SUBDIRS([libUseful-4])
fi
dnl read Makefile.in and write Makefile
AC_OUTPUT(Makefile)