Orthanc/OrthancFramework/Resources/CMake/LibIconvConfiguration.cmake
2025-06-23 19:07:37 +05:30

113 lines
3.7 KiB
CMake

# Orthanc - A Lightweight, RESTful DICOM Store
# Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
# Department, University Hospital of Liege, Belgium
# Copyright (C) 2017-2023 Osimis S.A., Belgium
# Copyright (C) 2024-2025 Orthanc Team SRL, Belgium
# Copyright (C) 2021-2025 Sebastien Jodogne, ICTEAM UCLouvain, Belgium
#
# This program is free software: you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public License
# as published by the Free Software Foundation, either version 3 of
# the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this program. If not, see
# <http://www.gnu.org/licenses/>.
message("Using libiconv")
if (STATIC_BUILD OR NOT USE_SYSTEM_LIBICONV)
set(LIBICONV_SOURCES_DIR ${CMAKE_BINARY_DIR}/libiconv-1.15)
set(LIBICONV_URL "https://orthanc.uclouvain.be/downloads/third-party-downloads/libiconv-1.15.tar.gz")
set(LIBICONV_MD5 "ace8b5f2db42f7b3b3057585e80d9808")
DownloadPackage(${LIBICONV_MD5} ${LIBICONV_URL} "${LIBICONV_SOURCES_DIR}")
# Disable the support of libiconv that is shipped by default with
# the C standard library on Linux. Setting this macro redirects
# calls from "iconv*()" to "libiconv*()" by defining macros in the
# C headers of "libiconv-1.15".
add_definitions(-DLIBICONV_PLUG=1)
# https://groups.google.com/d/msg/android-ndk/AS1nkxnk6m4/EQm09hD1tigJ
add_definitions(
-DBUILDING_LIBICONV=1
-DIN_LIBRARY=1
-DLIBDIR=""
-DICONV_CONST=
#-DENABLE_EXTRA=1
)
configure_file(
${LIBICONV_SOURCES_DIR}/srclib/localcharset.h
${LIBICONV_SOURCES_DIR}/include
COPYONLY)
set(HAVE_VISIBILITY 0)
set(ICONV_CONST ${ICONV_CONST})
set(USE_MBSTATE_T 1)
set(BROKEN_WCHAR_H 0)
set(EILSEQ)
set(HAVE_WCHAR_T 1)
configure_file(
${LIBICONV_SOURCES_DIR}/include/iconv.h.build.in
${LIBICONV_SOURCES_DIR}/include/iconv.h
)
unset(HAVE_VISIBILITY)
unset(ICONV_CONST)
unset(USE_MBSTATE_T)
unset(BROKEN_WCHAR_H)
unset(EILSEQ)
unset(HAVE_WCHAR_T)
if (NOT EXISTS ${LIBICONV_SOURCES_DIR}/include/config.h)
# Create an empty "config.h" for libiconv
file(WRITE ${LIBICONV_SOURCES_DIR}/include/config.h "")
endif()
include_directories(
${LIBICONV_SOURCES_DIR}/include
)
set(LIBICONV_SOURCES
${LIBICONV_SOURCES_DIR}/lib/iconv.c
${LIBICONV_SOURCES_DIR}/lib/relocatable.c
${LIBICONV_SOURCES_DIR}/libcharset/lib/localcharset.c
${LIBICONV_SOURCES_DIR}/libcharset/lib/relocatable.c
)
source_group(ThirdParty\\libiconv REGULAR_EXPRESSION ${LIBICONV_SOURCES_DIR}/.*)
if (CMAKE_SYSTEM_NAME STREQUAL "Windows")
add_definitions(-DHAVE_WORKING_O_NOFOLLOW=0)
else()
add_definitions(-DHAVE_WORKING_O_NOFOLLOW=1)
endif()
else()
CHECK_INCLUDE_FILE_CXX(iconv.h HAVE_ICONV_H)
if (NOT HAVE_ICONV_H)
message(FATAL_ERROR "Please install the libiconv-dev package")
endif()
# Check whether the support for libiconv is bundled within the
# standard C library
CHECK_FUNCTION_EXISTS(iconv_open HAVE_ICONV_LIB)
if (NOT HAVE_ICONV_LIB)
# No builtin support for libiconv, try and find an external library.
# Open question: Does this make sense on any platform?
CHECK_LIBRARY_EXISTS(iconv iconv_open "" HAVE_ICONV_LIB_2)
if (NOT HAVE_ICONV_LIB_2)
message(FATAL_ERROR "Please install the libiconv-dev package")
else()
link_libraries(iconv)
endif()
endif()
endif()