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# sigc++
# Input: sigcxx_build_dep, sigcxx_pcname, sigcxx_libversion, sigcxx_api_version,
# install_includedir, project_source_root, sigc_res, python3,
# handle_built_files
# Output: source_h_files, built_h_files, sigcxx_own_dep, built_files_root,
# built_h_file_targets
source_cc_files = [
'connection.cc',
'signal_base.cc',
'trackable.cc',
'functors' / 'slot_base.cc',
]
sigc_h_files = [
'bind.h',
'bind_return.h',
'connection.h',
'reference_wrapper.h',
'retype_return.h',
'signal_base.h',
'slot.h',
'trackable.h',
'type_traits.h',
'visit_each.h',
]
adaptors_h_files = [
'adaptors' / 'adaptors.h',
'adaptors' / 'bound_argument.h',
]
functors_h_files = [
'functors' / 'functors.h',
'functors' / 'slot_base.h',
]
# .m4 files to build .h files from.
sigc_h_m4_files = [
'limit_reference.h',
'signal.h',
]
m4_template = files('macros' / 'template.macros.m4')
m4_include_dir = meson.current_source_dir() / 'macros'
source_h_files = sigc_h_files + adaptors_h_files + functors_h_files
built_h_files = sigc_h_m4_files
built_cc_files = []
# Force meson+ninja to generate source files before anything is compiled.
# Compilation must depend on these targets.
built_cc_file_targets = []
built_h_file_targets = []
subdir('adaptors')
subdir('adaptors/lambda')
subdir('functors')
install_headers('sigc++.h', subdir: sigcxx_pcname / 'sigc++')
install_headers(sigc_h_files, subdir: sigcxx_pcname / 'sigc++')
install_headers(adaptors_h_files, subdir: sigcxx_pcname / 'sigc++' / 'adaptors')
install_headers(functors_h_files, subdir: sigcxx_pcname / 'sigc++' / 'functors')
untracked_sigcxx = 'untracked' / 'sigc++'
src_untracked_sigcxx = project_source_root / untracked_sigcxx
extra_sigc_cppflags = []
extra_sigc_objects = []
# Make sure we are exporting the symbols from the DLL
if is_msvc
extra_sigc_cppflags += ['-DSIGC_BUILD', '-D_WINDLL']
endif
# Build the .rc file for Windows builds and link to it
if host_machine.system() == 'windows'
windows = import('windows')
sigc_res = windows.compile_resources(sigc_rc)
extra_sigc_objects += sigc_res
endif
if maintainer_mode
# Maintainer mode. Generate .h and .cc files from .m4 files in macros/ directory.
# .h and .cc files are also generated in subdirectories.
# docs/reference/meson.build needs this.
built_files_root = project_build_root
foreach file : sigc_h_m4_files
built_h_file_targets += custom_target(file,
input: 'macros' / file + '.m4',
output: file,
command: [
python3, handle_built_files, 'build_from_m4',
m4_include_dir,
'@INPUT@',
'@OUTPUT@',
],
depend_files: m4_template,
build_by_default: maintainer_mode,
install: false,
)
endforeach
extra_include_dirs = ['..']
sigcxx_library = library('sigc-' + sigcxx_api_version,
source_cc_files, built_cc_file_targets, built_h_file_targets,
extra_sigc_objects,
version: sigcxx_libversion,
darwin_versions: darwin_versions,
cpp_args: extra_sigc_cppflags,
implicit_include_directories: false,
include_directories: extra_include_dirs,
dependencies: sigcxx_build_dep,
install: true,
)
built_h_cc_dir = meson.current_build_dir()
else # not maintainer_mode
# Not maintainer mode. Compile built source code files in
# project_source_root/untracked/sigc++.
# docs/reference/meson.build needs this.
built_files_root = project_source_root / 'untracked'
# Two cases:
# 1. The source code comes from a tarball, where the built files
# are stored in project_source_root/untracked.
# There are no built files in the build tree.
# 2. Files have been built in the build tree. Then maintainer_mode has
# been changed from true to false. Files that are missing or not up to date
# in project_source_root/untracked are copied from the build tree.
# Try to copy built source code files to the source tree.
run_command(
python3, handle_built_files, 'copy_built_files',
meson.current_build_dir(),
src_untracked_sigcxx,
built_h_files + built_cc_files,
)
untracked_built_cc_files = []
foreach file : built_cc_files
untracked_built_cc_files += '..' / 'untracked' / 'sigc++' / file
endforeach
extra_include_dirs = [ '..', '..' / 'untracked' ]
sigcxx_library = library('sigc-' + sigcxx_api_version,
source_cc_files, untracked_built_cc_files,
extra_sigc_objects,
version: sigcxx_libversion,
darwin_versions: darwin_versions,
cpp_args: extra_sigc_cppflags,
implicit_include_directories: false,
include_directories: extra_include_dirs,
dependencies: sigcxx_build_dep,
install: true,
)
built_h_cc_dir = src_untracked_sigcxx
endif
# Install built .h files.
meson.add_install_script(
python3.path(), handle_built_files, 'install_built_h_files',
built_h_cc_dir,
install_includedir / sigcxx_pcname / 'sigc++', # subdir below {prefix}
built_h_files,
)
if not meson.is_subproject()
# Distribute built files.
# (add_dist_script() is not allowed in a subproject)
meson.add_dist_script(
python3.path(), handle_built_files, 'dist_built_files',
built_h_cc_dir,
untracked_sigcxx,
built_h_files + built_cc_files,
)
endif
# This is used when building example programs and test programs.
# It's also a part of sigcxx_dep, when libsigc++ is a subproject.
sigcxx_own_dep = declare_dependency(
sources: built_h_file_targets,
link_with: sigcxx_library,
include_directories: extra_include_dirs,
dependencies: sigcxx_build_dep
)
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