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# file      : odb/buildfile
# copyright : Copyright (c) 2009-2019 Code Synthesis Tools CC
# license   : GNU GPL v3; see accompanying LICENSE file

define plugin: libs

plugin{*}:
{
  bin.lib.prefix = # No lib prefix.
  backlink = true  # Backlink in forwarded configs (next to exe).
}

# For now we use the .so extension everywhere except Windows (see
# plugin_path() in odb.cxx for details).
#
if ($cxx.target.class != 'windows')
  plugin{*}: extension = so

# By default install the plugin next to the driver.
#
# On Windows this is the only sane option where we want the plugin (odb.dll)
# to go into bin/ since failed that we won't be able to find libraries we
# depend on.
#
# On other platforms another option is to install into the GCC's plugin
# directory. This way the same driver can be used with multiple GCC versions
# and is something that distributions packagers sometimes want to do.
#
# So at some point we should also make it configurable, including support for
# installing into GCC's plugin directory.
#
# NOTE: see ODB_GCC_PLUGIN_DIR when adding this support.
#
plugin{*}: install = bin/

# Unless cross-compiling, pass the C++ compiler's recall path as the g++
# name. At some point we should also make it configurable.
#
# Note that we used to compare complete target triplets but that prooved too
# strict. For example, we may be running on x86_64-apple-darwin17.7.0 while
# the compiler is targeting x86_64-apple-darwin17.3.0.
#
if ($cxx.target.cpu    == $build.host.cpu && \
    $cxx.target.system == $build.host.system)
{
  gxx_name = $recall($cxx.path)
  gxx_name = $regex.replace($gxx_name, '\\', '\\\\') # Escape back slashes.
}
else
  gxx_name = g++

import libs  = libcutl%lib{cutl}
import libs += libstudxml%lib{studxml}

./: exe{odb} plugin{odb}

# We need to make driver depend on plugin but not link it so that when, for
# example, driver is imported, plugin is updated as well.
#
# We, however, don't want to install via the driver since the same driver
# build could be used with multiple plugin builds (e.g., for different GCC
# versions, which is something distribution packagers sometimes want to do).
# @@ For this we will have to wait for operation-specific values support.
#
exe{odb}: cxx{odb}
exe{odb}: libus{odb}: bin.whole = false
exe{odb}: plugin{odb}: include = adhoc

plugin{odb}: libus{odb}

# On Windows we have to link the import stub.
#
if ($cxx.target.system == 'mingw32')
  plugin{odb}: cxx.libs += $plugin_dir/cc1plus.exe.a
#
# On Mac OS we have to allow undefined symbols.
#
elif ($cxx.target.system == 'darwin')
  plugin{odb}: cxx.loptions += -undefined dynamic_lookup

libus{odb}: {hxx ixx txx cxx}{** -odb -options} {hxx ixx cxx}{options} $libs

# Build options.
#
cxx.poptions += "-I$plugin_dir/include" "-DODB_GXX_NAME=\"$gxx_name\""
cxx.poptions += -DODB_BUILD2 # @@ TMP while supporting other build systems.

# Generated options parser.
#
# @@ TMP: currently generated code is committed to allow building from git.
#
if $cli.configured
{
  cli.cxx{options}: cli{options}

  cli.options += --include-with-brackets --include-prefix odb \
--guard-prefix ODB --generate-file-scanner --generate-specifier \
--generate-modifier --generate-description --suppress-undocumented \
--cxx-prologue '#include <odb/option-parsers.hxx>'

  cli.cxx{*}:
  {
    # Include the generated cli files into the distribution and don't remove
    # them when cleaning in src (so that clean results in a state identical to
    # distributed).
    #
    dist  = true
    clean = ($src_root != $out_root)

    # We keep the generated code in the repository so copy it back to src in
    # case of a forwarded configuration.
    #
    backlink = overwrite
  }
}

# Don't install any of the plugin's headers.
#
{hxx ixx txx}{*}: install = false