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2108ae671a
exiv2/meson.build
Eli Schwartz 2108ae671a meson: compile convert.cpp separately, with just iconv 
Compiling this file with all dependencies as part of the main library
causes it to have the include directories of all dependencies, but iconv
is a bit of a special case: it can have a libc builtin or an external
library version. The external library might be installed to the same
directory as other dependencies, for example on FreeBSD -- but if exiv2
is not supposed to be built with GNU libiconv, then it will expect to
see the libc builtin.

The leaky include directories means that iconv.h gets pulled in from the
GNU libiconv version instead, though, which then forces -liconv to be
necessary for no reason.

There are two general solutions to ensuring that everything links
correctly:

- expect exiv2 to be built with *global* -I/usr/local/include -L/usr/local/lib
  thus forcing the use of GNU libiconv

- carefully compiling the iconv support without any other dependencies

Let's do the latter since it allows for more choice and is easier to
enforce.
2023-03-24 16:19:25 -07:00

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Meson
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project(
'exiv2',
'cpp',
version: '1.0.0',
meson_version: '>=0.49.0',
default_options: ['warning_level=0', 'cpp_std=c++17'],
)
cargs = []
cpp = meson.get_compiler('cpp')
if host_machine.system() == 'windows' and get_option('default_library') != 'static'
cargs += '-DEXIV2API=__declspec(dllexport)'
elif cpp.has_function_attribute('visibility')
cargs += '-DEXIV2API=__attribute__((visibility("default")))'
else
cargs += '-DEXIV2API='
endif
if host_machine.system() == 'windows'
if cpp.get_argument_syntax() == 'gcc'
add_project_arguments('-D__USE_MINGW_ANSI_STDIO', '-D__MINGW_USE_VC2005_COMPAT', language: 'cpp')
else
add_project_arguments('-DNOMINMAX', language: 'cpp')
endif
endif
exiv_api = configuration_data()
exiv_conf = configure_file(output: 'exiv2lib_export.h', configuration: exiv_api)
cdata = configuration_data()
cdata.set('EXV_PACKAGE_NAME', meson.project_name())
ver = meson.project_version().split('.')
cdata.set('PROJECT_VERSION_MAJOR', ver[0])
cdata.set('PROJECT_VERSION_MINOR', ver[1])
cdata.set('PROJECT_VERSION_PATCH', ver[2])
cdata.set('PROJECT_VERSION_TWEAK', 9)
cdata.set('PROJECT_VERSION', '@0@.@1@'.format(meson.project_version(), cdata.get('PROJECT_VERSION_TWEAK')))
cdata.set('EXV_PACKAGE_VERSION', '@0@.@1@'.format(meson.project_version(), cdata.get('PROJECT_VERSION_TWEAK')))
cdata.set('EXV_PACKAGE_STRING', '@0@ @1@'.format(meson.project_name(), cdata.get('PROJECT_VERSION')))
cdata.set('EXV_HAVE_MMAP', cpp.has_function('mmap'))
cdata.set('EXV_HAVE_MUNMAP', cpp.has_function('munmap'))
cdata.set('EXV_HAVE_STRERROR_R', cpp.has_function('strerror_r'))
cdata.set('EXV_STRERROR_R_CHAR_P', not cpp.compiles('#include <string.h>\nint strerror_r(int,char*,size_t);int main(){}'))
cdata.set('EXV_ENABLE_BMFF', get_option('bmff'))
cdata.set('EXV_HAVE_LENSDATA', get_option('lensdata'))
cdata.set('EXV_ENABLE_VIDEO', get_option('video'))
deps = []
deps += cpp.find_library('ws2_32', required: host_machine.system() == 'windows')
deps += cpp.find_library('procstat', required: host_machine.system() == 'freebsd')
if cpp.get_argument_syntax() == 'gcc' and cpp.version().version_compare('<9')
if host_machine.system() == 'linux' and cpp.get_define('_LIBCPP_VERSION', prefix: '#include <new>') == ''
deps += cpp.find_library('stdc++fs')
elif cpp.get_id() == 'clang'
deps += cpp.find_library('c++fs')
endif
endif
brotli_dep = dependency('libbrotlidec', disabler: true, required: false)
if brotli_dep.found()
deps += brotli_dep
endif
curl_dep = dependency('libcurl', disabler: true, required: get_option('curl'))
if curl_dep.found()
deps += curl_dep
endif
expat_dep = dependency('expat', disabler: true, required: get_option('xmp'))
if expat_dep.found()
deps += expat_dep
endif
inih_dep = dependency('INIReader', disabler: true, required: get_option('inih'))
if inih_dep.found()
deps += inih_dep
endif
zlib_dep = dependency('zlib', disabler: true, required: get_option('png'))
if zlib_dep.found()
deps += zlib_dep
endif
if meson.version().version_compare('>= 0.60') and host_machine.system() != 'freebsd'
iconv_dep = dependency('iconv', required: get_option('iconv'))
else
iconv_dep = dependency('', required: false)
endif
if iconv_dep.found()
deps += iconv_dep
endif
if meson.version().version_compare('>= 0.60')
intl_dep = dependency('intl', required: get_option('nls'))
else
intl_dep = dependency('', required: false)
endif
if intl_dep.found()
add_project_arguments('-DEXV_LOCALEDIR="@0@"'.format(get_option('prefix') / get_option('localedir')), language: 'cpp')
deps += intl_dep
endif
cdata.set('EXV_ENABLE_INIH', inih_dep.found())
cdata.set('EXV_HAVE_XMP_TOOLKIT', expat_dep.found())
cdata.set('EXV_HAVE_BROTLI', brotli_dep.found())
cdata.set('EXV_HAVE_ICONV', iconv_dep.found())
cdata.set('EXV_HAVE_LIBZ', zlib_dep.found())
cdata.set('EXV_USE_CURL', curl_dep.found())
cdata.set('EXV_ENABLE_NLS', intl_dep.found())
cdata.set('EXV_ENABLE_WEBREADY', curl_dep.found())
cfile = configure_file(
input: 'cmake/config.h.cmake',
output: 'exv_conf.h',
format: 'cmake@',
configuration: cdata,
)
base_lib = files(
'src/asfvideo.cpp',
'src/basicio.cpp',
'src/bmffimage.cpp',
'src/bmpimage.cpp',
'src/cr2image.cpp',
'src/crwimage.cpp',
'src/datasets.cpp',
'src/easyaccess.cpp',
'src/epsimage.cpp',
'src/error.cpp',
'src/exif.cpp',
'src/futils.cpp',
'src/gifimage.cpp',
'src/http.cpp',
'src/image.cpp',
'src/iptc.cpp',
'src/jp2image.cpp',
'src/jpgimage.cpp',
'src/matroskavideo.cpp',
'src/metadatum.cpp',
'src/mrwimage.cpp',
'src/orfimage.cpp',
'src/pgfimage.cpp',
'src/photoshop.cpp',
'src/preview.cpp',
'src/properties.cpp',
'src/psdimage.cpp',
'src/quicktimevideo.cpp',
'src/rafimage.cpp',
'src/riffvideo.cpp',
'src/rw2image.cpp',
'src/tags.cpp',
'src/tgaimage.cpp',
'src/tiffimage.cpp',
'src/types.cpp',
'src/value.cpp',
'src/version.cpp',
'src/webpimage.cpp',
'src/xmp.cpp',
'src/xmpsidecar.cpp',
)
int_lib = files(
'src/canonmn_int.cpp',
'src/casiomn_int.cpp',
'src/cr2header_int.cpp',
'src/crwimage_int.cpp',
'src/fujimn_int.cpp',
'src/helper_functions.cpp',
'src/image_int.cpp',
'src/jp2image_int.cpp',
'src/makernote_int.cpp',
'src/minoltamn_int.cpp',
'src/nikonmn_int.cpp',
'src/olympusmn_int.cpp',
'src/orfimage_int.cpp',
'src/panasonicmn_int.cpp',
'src/pentaxmn_int.cpp',
'src/rw2image_int.cpp',
'src/samsungmn_int.cpp',
'src/sigmamn_int.cpp',
'src/sonymn_int.cpp',
'src/tags_int.cpp',
'src/tiffcomposite_int.cpp',
'src/tiffimage_int.cpp',
'src/tiffvisitor_int.cpp',
'src/utils.cpp',
)
headers = files(
'include/exiv2/basicio.hpp',
'include/exiv2/bmffimage.hpp',
'include/exiv2/bmpimage.hpp',
'include/exiv2/config.h',
'include/exiv2/convert.hpp',
'include/exiv2/cr2image.hpp',
'include/exiv2/crwimage.hpp',
'include/exiv2/datasets.hpp',
'include/exiv2/easyaccess.hpp',
'include/exiv2/epsimage.hpp',
'include/exiv2/error.hpp',
'include/exiv2/exif.hpp',
'include/exiv2/exiv2.hpp',
'include/exiv2/futils.hpp',
'include/exiv2/gifimage.hpp',
'include/exiv2/http.hpp',
'include/exiv2/image.hpp',
'include/exiv2/image_types.hpp',
'include/exiv2/iptc.hpp',
'include/exiv2/jp2image.hpp',
'include/exiv2/jpgimage.hpp',
'include/exiv2/metadatum.hpp',
'include/exiv2/mrwimage.hpp',
'include/exiv2/orfimage.hpp',
'include/exiv2/pgfimage.hpp',
'include/exiv2/photoshop.hpp',
'include/exiv2/pngimage.hpp',
'include/exiv2/preview.hpp',
'include/exiv2/properties.hpp',
'include/exiv2/psdimage.hpp',
'include/exiv2/rafimage.hpp',
'include/exiv2/rw2image.hpp',
'include/exiv2/slice.hpp',
'include/exiv2/tags.hpp',
'include/exiv2/tgaimage.hpp',
'include/exiv2/tiffimage.hpp',
'include/exiv2/types.hpp',
'include/exiv2/value.hpp',
'include/exiv2/version.hpp',
'include/exiv2/webpimage.hpp',
'include/exiv2/xmp_exiv2.hpp',
'include/exiv2/xmpsidecar.hpp',
)
headers += exiv_conf
headers += cfile
libinc = include_directories('include/exiv2')
xmp_lib = files()
if expat_dep.found()
libinc = include_directories('include/exiv2', 'xmpsdk/include')
xmp_lib = files(
'xmpsdk/src/ExpatAdapter.cpp',
'xmpsdk/src/MD5.cpp',
'xmpsdk/src/ParseRDF.cpp',
'xmpsdk/src/UnicodeConversions.cpp',
'xmpsdk/src/WXMPIterator.cpp',
'xmpsdk/src/WXMPMeta.cpp',
'xmpsdk/src/WXMPUtils.cpp',
'xmpsdk/src/XML_Node.cpp',
'xmpsdk/src/XMPCore_Impl.cpp',
'xmpsdk/src/XMPIterator.cpp',
'xmpsdk/src/XMPMeta-GetSet.cpp',
'xmpsdk/src/XMPMeta-Parse.cpp',
'xmpsdk/src/XMPMeta-Serialize.cpp',
'xmpsdk/src/XMPMeta.cpp',
'xmpsdk/src/XMPUtils-FileInfo.cpp',
'xmpsdk/src/XMPUtils.cpp',
)
endif
if zlib_dep.found()
base_lib += files('src/pngimage.cpp')
int_lib += files('src/pngchunk_int.cpp')
headers += files('include/exiv2/photoshop.hpp')
endif
install_man('man/man1/exiv2.1')
install_headers(
headers,
subdir: 'exiv2',
)
exiv2int = static_library(
'exiv2int',
int_lib,
cpp_args: '-DEXIV2API=',
dependencies: deps,
include_directories: libinc,
)
depinc = include_directories('.', 'include')
exiv2int_dep = declare_dependency(
include_directories: depinc,
link_with: exiv2int,
)
# This is compiled separately, because there are multiple sources for iconv
# (methods "builtin" and "system") and it's possible to have the include
# directory from one dependency leak over and force the system iconv to be used
# instead of the builtin one. This causes miscompilation.
convertlib = static_library(
'_convert',
'src/convert.cpp',
cpp_args: cargs,
gnu_symbol_visibility: 'hidden',
dependencies: iconv_dep,
include_directories: [depinc, libinc],
build_by_default: false,
)
exiv2 = library(
'exiv2',
base_lib,
xmp_lib,
cpp_args: cargs,
version: meson.project_version(),
gnu_symbol_visibility: 'hidden',
link_with: convertlib,
dependencies: [deps, exiv2int_dep],
include_directories: libinc,
install: true,
)
dllapi = '-DEXIV2API='
if host_machine.system() == 'windows' and get_option('default_library') != 'static'
dllapi = '-DEXIV2API=__declspec(dllimport)'
endif
exiv2_dep = declare_dependency(
compile_args: dllapi,
dependencies: intl_dep,
include_directories: depinc,
link_with: exiv2,
)
pkg = import('pkgconfig')
pkg.generate(
exiv2,
description: 'Exif/IPTC/Xmp C++ metadata library and tools plus ICC Profiles, Previews and more.',
url: 'https://exiv2.org',
)
exiv2inc = include_directories('include/exiv2', 'src')
exiv2_sources = files(
'app/actions.cpp',
'app/app_utils.cpp',
'app/exiv2.cpp',
'app/getopt.cpp',
)
if host_machine.system() == 'windows'
exiv2_sources += files('app/wmain.cpp')
endif
executable(
'exiv2',
exiv2_sources,
include_directories: exiv2inc,
dependencies: exiv2_dep,
install: true,
)
subdir('unitTests')
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