# file      : mysql/buildfile
# license   : LGPLv2.1; see accompanying COPYING file

import imp_libs = libz%lib{z}

# Windows-specific named pipe and shared memory based communication plugins.
#
pvio_win32 = pvio/pvio_npipe pvio/pvio_shmem

lib{mariadb}: {h}{**                  -version} \
              {h}{                     version} \
      plugins/{c}{**            -{$pvio_win32}} \
   libmariadb/{c}{*  -ma_tls -ma_client_plugin} \
   libmariadb/{c}{            ma_client_plugin} \
              $imp_libs

tclass = $c.target.class
tsys   = $c.target.system

windows = ($tclass == 'windows')

msvc_runtime = ($tsys == 'win32-msvc')

lib{mariadb}: win-iconv/{h c}{*          } \
                plugins/{  c}{$pvio_win32}: include = $windows

# The upstream package, by default, builds without SSL on POSIX systems, and
# with bundled SSL on Windows. However, it fails to build against MinGW API
# that doesn't implement some "bleeding edge" features used, like the
# SecPkgContext_CipherInfo type. So we only enable SSL for VC.
#
# @@ TODO: need to enable SSL by default on POSIX.
#
with_ssl = $msvc_runtime

lib{mariadb}: libmariadb/{  c}{ma_tls} \
       libmariadb/secure/{h c}{*     }: include = $with_ssl

# Symbol exporting on Windows is done via the .def file.
#
lib{mariadb}: libmariadb/def{mariadbclient}: include = $windows

libmariadb/def{mariadbclient}: libmariadb/in{mariadbclient_win32}
{
  mariadb_deinitialize_ssl = ($with_ssl ? 'mariadb_deinitialize_ssl' : '')
}

# Include the generated version header into the distribution (so that we don't
# pick up an installed one) and don't remove it when cleaning in src (so that
# clean results in a state identical to distributed).
#
# @@ We should probably allow to configure MARIADB_UNIX_ADDR (used as a last
#    resort) via configuration variable config.libmariadb.unix_addr. Note that
#    it is set differently for the upstream package and the major Linux
#    distributions:
#
#    Debian/Ubuntu:  /var/run/mysqld/mysqld.sock
#    Fedora/RHEL:    /var/lib/mysql/mysql.sock
#    Source package: /tmp/mysql.sock
#
h{version}: in{version} $src_root/manifest
{
  dist  = true
  clean = ($src_root != $out_root)

  in.symbol = '@'

  PROTOCOL_VERSION = $protocol_version
  MARIADB_CLIENT_VERSION = $version.project
  MARIADB_BASE_VERSION = "mariadb-$version.major.$version.minor"

  MARIADB_VERSION_ID =                                                   \
    "\(10000 * $version.major + 100 * $version.minor + $version.patch\)"

  MYSQL_VERSION_ID = $MARIADB_VERSION_ID
  MARIADB_PORT = 3306
  MARIADB_UNIX_ADDR = ($windows ? '': /tmp/mysql.sock)
  CPACK_PACKAGE_VERSION = "$client_major.$client_minor.$client_patch"

  MARIADB_PACKAGE_VERSION_ID =                                        \
    "\(10000 * $client_major + 100 * $client_minor + $client_patch\)"

  CMAKE_SYSTEM_NAME = $tsys
  CMAKE_SYSTEM_PROCESSOR = $c.target.cpu

  PLUGINDIR = ($install.root != [null]                                         \
               ? $regex.replace($install.resolve($install.lib)/mariadb/plugin, \
                                '\\',                                          \
                                '/')                                           \
               : '')

  default_charset = ''
  CC_SOURCE_REVISION = ''
}

libmariadb/c{ma_client_plugin}: libmariadb/in{ma_client_plugin}
{
  in.symbol = '@'
  in.substitution = lax

  EXTERNAL_PLUGINS = ''
  BUILTIN_PLUGINS = ''
}

for p: 'pvio_socket' 'native_password_client' 'old_password_client' \
       ($windows ? 'pvio_npipe' 'pvio_shmem' : )
{
  libmariadb/c{ma_client_plugin}:
  {
    EXTERNAL_PLUGINS = "$EXTERNAL_PLUGINS
extern struct st_mysql_client_plugin $(p)_plugin;"

    BUILTIN_PLUGINS = "$BUILTIN_PLUGINS
\(struct st_mysql_client_plugin *\)&$(p)_plugin,"
  }
}

# Build options.
#
# We have dropped the macro definitions that are not used in the package code:
#
#   -DHAVE_AUTH_CLEARTEXT=1 -DHAVE_AUTH_DIALOG=1 -DHAVE_AUTH_NATIVE=1
#   -DHAVE_AUTH_OLDPASSWORD=1 -DHAVE_AURORA=1 -DHAVE_REPLICATION=1
#   -DHAVE_TRACE_EXAMPLE=1
#
# Here are VC-specific macros dropped:
#
#   /D sha256_password_EXPORTS /D HAVE_NPIPE=1 /D HAVE_SHMEM=1
#   /D HAVE_AUTH_SHA256PW=1 /D HAVE_AUTH_GSSAPI=1
#   /D HAVE_AUTH_GSSAPI_DYNAMIC=1 /D HAVE_DIALOG_DYNAMIC=1
#   /D HAVE_SHA256PW_DYNAMIC=1 /D HAVE_CLEARTEXT_DYNAMIC=1 /D _WINDLL
#
# Note that we add "-I$src_root" for the headers auto-generating machinery to
# work properly.
#
# Also note that we add -DLIBICONV_PLUG not to let the GNU's libiconv header to
# rename iconv*() functions to libiconv*(). Not doing so breaks the linkage
# against non-GNU libc, implementing iconv API, if GNU libiconv is installed in
# the system and its header is picked up instead of the system one.
#
mariadb_poptions = "-I$out_root" "-I$src_root" "-I$src_base"              \
                   -DHAVE_SOCKET=1 -DHAVE_COMPRESS -DENABLED_LOCAL_INFILE \
                   -DLIBMARIADB -DTHREAD -DLIBICONV_PLUG -DDBUG_OFF

switch $tclass
{
  case 'linux'
    mariadb_poptions += -D_GNU_SOURCE

  case 'windows'
  {
    # Note that the original package defines the WIN32 macro for VC only,
    # relying on the fact that MinGW GCC defines it by default. However, the
    # macro disappears from the default ones if to compile with -std=c9x (as
    # we do). So we define it for both VC and MinGW GCC.
    #
    c.poptions += -DWIN32 -D_WINDOWS -D_MBCS

    # Using CancelIoEx() in mysql/plugins/pvio/pvio_socket.c requires at least
    # Windows Vista/Server 2008 (_WIN32_WINNT >= 0x0600). Note that Windows
    # Kits (used by VC) default _WIN32_WINNT to the most current version.
    #
    c.poptions += -D_WIN32_WINNT=0x0600

    # Declaration visibility attribute is not supported.
    #
    c.poptions += -DNO_VIZ

    if $with_ssl
      mariadb_poptions += -DHAVE_SCHANNEL -DHAVE_TLS
  }
}

# Note that the bundled win-iconv header is included as a quoted (relative)
# path, so no need for -I option.
#
   plugins/ c.poptions =+ $mariadb_poptions
libmariadb/ c.poptions =+ $mariadb_poptions

switch $c.class
{
  case 'gcc'
  {
    # Disable warnings that pop up with -Wall -Wextra. Upstream doesn't seem
    # to care about these and it is not easy to disable specific warnings in a
    # way that works across compilers/version (some -Wno-* options are only
    # recognized in newer versions). There are still some warnings left that
    # appear for certain platforms/compilers. We pass them through but disable
    # treating them as errors.
    #
    c.coptions += -Wno-all -Wno-extra -Wno-error

    # Disable the Clang targeting MSVC warnings.
    #
    if ($c.id == 'clang' && $msvc_runtime)
      c.coptions += -Wno-deprecated-declarations
  }
  case 'msvc'
  {
    # Disable warnings that pop up with /W3.
    #
    c.coptions += /wd4996 /wd4267
  }
}

switch $tclass, $tsys
{
  case 'windows', 'mingw32'
    cc.libs += -lws2_32 -lshlwapi -ladvapi32 -lversion # @@ secur32

  case 'windows'
    cc.libs += ws2_32.lib shlwapi.lib advapi32.lib version.lib

  case 'linux'
  {
    # The upstream package also passes the cmake-generated mariadbclient.def
    # version script file. The symbols it contains are hard-coded into
    # libmariadb/libmariadb/CMakeList.txt. We drop the file for now.
    #
    # Make sure all symbols are resolvable.
    #
    c.loptions += -Wl,--no-undefined

    # Drop the redundant linkage of libnsl.
    #
    # The upstream package looks for gethostbyname_r() in libnsl and links it
    # even though it doesn't export the symbol (that actually is not even used
    # in libmariadb).
    #
    # Note that glibc 2.26 deprecates libnsl and doesn't install it by
    # default, so its linkage just fails.
    #
    c.libs += -lpthread -lm -ldl # -lnsl
  }

  case 'bsd'
    c.libs += -lpthread -lm

  case 'macos'
  {
    c.loptions += -compatibility_version "$abi_version.0.0" \
                  -current_version "$abi_version.0.0"

    c.libs += -lpthread -lm -ldl -liconv
  }

  default
    c.libs += -lpthread -lm -ldl
}

# Export options.
#
# The library clients must include the API header as <mysql/mysql.h>.
#
lib{mariadb}: cc.export.poptions = "-I$out_root" "-I$src_root"

# See bootstrap.build for details.
#
if $version.pre_release
  lib{mariadb}: bin.lib.version = @"-$version.project_id"
else
  lib{mariadb}: bin.lib.version = @"-$abi_version"

# Let's install the bare minimum of headers: mysql.h, errmsg.h, mysqld_error.h
# and headers they recursively include.
#
# Note that we don't install dyncol and client plugin API headers. Including
# them wouldn't work out of the box anyway, as they include prerequisite
# headers without mysql/ prefix. These headers don't look important as seems
# to be broken anyway for the upstream package (they reference non-installed
# headers and non-exported functions).
#
h{*}: install = false

# @@ Fix once LHS pair generation is implemented.
#
for h: mysql errmsg mysqld_error mariadb_version mariadb_com ma_list \
       mariadb_ctype mariadb_stmt
  h{$h}@./: install = include/mysql/

# Install into the mysql/ subdirectory of, say, /usr/include.
#
h{version}: install = include/mysql/