mirror of
https://github.com/dankamongmen/notcurses
synced 2025-03-09 17:19:03 -04:00
Support USE_CPP=off for building without a C++ compiler #1720
This commit is contained in:
nick black
nick black
parent
9970238514
commit
dd9da7766b
@ -3,13 +3,7 @@ cmake_minimum_required(VERSION 3.14.0)
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project(notcurses VERSION 2.4.3
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DESCRIPTION "Blingful UI for modern terminal emulators"
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HOMEPAGE_URL "https://nick-black.com/dankwiki/index.php/notcurses"
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LANGUAGES C CXX)
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set(CMAKE_CXX_EXTENSIONS OFF)
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set(CMAKE_C_STANDARD 11)
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set(CMAKE_C_VISIBILITY_PRESET hidden)
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set(CMAKE_CXX_STANDARD 17)
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set(CMAKE_CXX_VISIBILITY_PRESET hidden)
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LANGUAGES C)
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include(CTest)
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include(GNUInstallDirs)
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include(CMakeDependentOption)
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@ -19,9 +13,10 @@ include(FeatureSummary)
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# BUILD_TESTING is defined by CTest
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option(DFSG_BUILD "DFSG build (no non-free media/code)" OFF)
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option(USE_COVERAGE "Assess code coverage with llvm-cov/lcov" OFF)
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option(USE_CPP "Build C++ code" ON)
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cmake_dependent_option(
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USE_DOCTEST "Build notcurses-tester with doctest" ON
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"${BUILD_TESTING}" OFF
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"BUILD_TESTING;USE_CPP" OFF
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)
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option(USE_DOXYGEN "Build HTML cross reference with doxygen" OFF)
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option(USE_GPM "Enable libgpm console mouse support" OFF)
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@ -42,27 +37,45 @@ set(USE_OIIO OFF)
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if(${USE_MULTIMEDIA} STREQUAL "ffmpeg")
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set(USE_FFMPEG ON)
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elseif(${USE_MULTIMEDIA} STREQUAL "oiio")
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if(NOT ${USE_CPP})
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message(FATAL_ERROR "USE_CPP must be on to use OpenImageIO.")
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endif()
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set(USE_OIIO ON)
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elseif(NOT ${USE_MULTIMEDIA} STREQUAL "none")
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message(FATAL_ERROR "USE_MULTIMEDIA must be one of 'oiio', 'ffmpeg', 'none' (was '${USE_MULTIMEDIA}')")
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message(FATAL_ERROR "USE_MULTIMEDIA must be one of 'oiio', 'ffmpeg', 'none' (was '${USE_MULTIMEDIA}').")
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endif()
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# 3.14.0 introduced NAME_WLE
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cmake_minimum_required(VERSION 3.14.0)
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if(${USE_CPP})
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enable_language(CXX)
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endif()
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if(${USE_CPP})
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set(CMAKE_CXX_EXTENSIONS OFF)
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set(CMAKE_CXX_STANDARD 17)
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set(CMAKE_CXX_VISIBILITY_PRESET hidden)
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string(APPEND CMAKE_CXX_FLAGS_DEBUG " -Og")
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endif()
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set(CMAKE_C_STANDARD 11)
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set(CMAKE_C_VISIBILITY_PRESET hidden)
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message(STATUS "Requested multimedia engine: ${USE_MULTIMEDIA}")
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message(STATUS "Requested build mode: ${CMAKE_BUILD_TYPE}")
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string(APPEND CMAKE_C_FLAGS_DEBUG " -Og")
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string(APPEND CMAKE_CXX_FLAGS_DEBUG " -Og")
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if("${USE_COVERAGE}")
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if(${USE_COVERAGE})
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if(NOT "${CMAKE_C_COMPILER_ID}" MATCHES "(Apple)?[Cc]lang")
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message(FATAL_ERROR "USE_COVERAGE was on but CC isn't clang")
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endif()
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# FIXME requires clang11+
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string(APPEND CMAKE_C_FLAGS_DEBUG " --coverage -fprofile-instr-generate -fcoverage-mapping")
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if(${USE_CPP})
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if(NOT "${CMAKE_CXX_COMPILER_ID}" MATCHES "(Apple)?[Cc]lang")
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message(FATAL_ERROR "USE_COVERAGE was on but CXX isn't clang++")
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endif()
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# FIXME requires clang11+
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string(APPEND CMAKE_C_FLAGS_DEBUG " --coverage -fprofile-instr-generate -fcoverage-mapping")
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string(APPEND CMAKE_CXX_FLAGS_DEBUG " --coverage -fprofile-instr-generate -fcoverage-mapping")
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endif()
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endif()
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# under msys2 (and all other operating systems) we want pkgconfig. when
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# building with visual studio, don't require it.
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@ -354,6 +367,7 @@ target_link_directories(notcurses-static PRIVATE ${OIIO_STATIC_LIBRARY_DIRS})
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endif()
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############################################################################
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if(${USE_CPP})
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# libnotcurses++ (C++ wrappers)
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set(NCPP_SOURCES
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src/libcpp/FDPlane.cc
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@ -458,6 +472,7 @@ file(GLOB NCPP_INTERNAL_HEADERS
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CONFIGURE_DEPENDS
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LIST_DIRECTORIES false
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${PROJECT_SOURCE_DIR}/include/ncpp/internal/*.hh)
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endif()
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export(PACKAGE notcurses)
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@ -483,6 +498,7 @@ foreach(f ${POCSRCS})
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PRIVATE "${TERMINFO_LIBRARY_DIRS}"
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)
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endforeach()
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if(${USE_CPP})
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file(GLOB POCPPSRCS CONFIGURE_DEPENDS src/pocpp/*.cpp)
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foreach(f ${POCPPSRCS})
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get_filename_component(fe "${f}" NAME_WE)
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@ -500,6 +516,7 @@ foreach(f ${POCPPSRCS})
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)
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endforeach()
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endif()
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endif()
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############################################################################
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# notcurses-demo
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@ -549,6 +566,7 @@ target_link_libraries(notcurses-info
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############################################################################
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# notcurses-input
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if(${USE_CPP})
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file(GLOB INPUTSRCS CONFIGURE_DEPENDS src/input/input.cpp)
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add_executable(notcurses-input ${INPUTSRCS})
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target_include_directories(notcurses-input
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@ -578,6 +596,7 @@ target_link_libraries(nctetris
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PRIVATE
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notcurses++
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)
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endif()
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############################################################################
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# ncneofetch
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@ -602,7 +621,8 @@ target_link_libraries(ncneofetch
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file(GLOB MANSOURCE1 CONFIGURE_DEPENDS doc/man/man1/*.md)
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file(GLOB MANSOURCE3 CONFIGURE_DEPENDS doc/man/man3/*.md)
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# all further binaries require multimedia support
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# all further binaries require multimedia and C++ support
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if(${USE_CPP})
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if(${USE_MULTIMEDIA} STREQUAL "none")
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list(FILTER MANSOURCE1 EXCLUDE REGEX "ncls.1.md")
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list(FILTER MANSOURCE1 EXCLUDE REGEX "ncplayer.1.md")
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@ -641,10 +661,12 @@ target_link_libraries(ncplayer
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notcurses++
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)
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endif()
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endif()
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############################################################################
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# testing
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if(${BUILD_TESTING})
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if(${USE_CPP})
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#set(CMAKE_CTEST_ARGUMENTS "-V")
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if(${USE_DOCTEST})
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file(GLOB TESTSRCS CONFIGURE_DEPENDS src/tests/*.cpp)
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@ -677,6 +699,7 @@ install(TARGETS notcurses-tester DESTINATION bin)
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else()
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list(FILTER MANSOURCE1 EXCLUDE REGEX "notcurses-tester.1.md")
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endif()
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endif()
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enable_testing()
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# the accursed Ubuntu buildd sets "TERM=unknown" for unfathomable reasons
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if(DEFINED ENV{TERM} AND NOT $ENV{TERM} STREQUAL "unknown" AND USE_POC)
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@ -684,6 +707,7 @@ add_test(
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NAME notcurses-info
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COMMAND notcurses-info
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)
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if(${USE_CPP})
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add_test(
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NAME ncpp_build
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COMMAND ncpp_build
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@ -692,6 +716,8 @@ add_test(
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NAME ncpp_build_exceptions
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COMMAND ncpp_build_exceptions
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)
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LIST(APPEND TESTBINS ncpp_build ncpp_build_exceptions)
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endif()
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add_test(
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NAME sgr-direct
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COMMAND sgr-direct
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@ -708,9 +734,9 @@ add_test(
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NAME rgbbg
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COMMAND rgbbg
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)
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LIST(APPEND TESTBINS notcurses-info sgr-direct sgr-full rgb rgbbg)
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set_tests_properties(
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notcurses-info ncpp_build ncpp_build_exceptions sgr-direct sgr-full rgb rgbbg
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PROPERTIES RUN_SERIAL TRUE
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${TESTBINS} PROPERTIES RUN_SERIAL TRUE
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)
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endif()
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else()
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@ -895,30 +921,34 @@ install(FILES ${MARKDOWN} DESTINATION ${CMAKE_INSTALL_DOCDIR})
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install(TARGETS notcurses-demo DESTINATION bin)
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install(TARGETS notcurses-info DESTINATION bin)
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install(TARGETS notcurses-input DESTINATION bin)
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install(TARGETS ncneofetch DESTINATION bin)
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if(${USE_CPP})
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install(TARGETS notcurses-input DESTINATION bin)
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install(TARGETS nctetris DESTINATION bin)
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if(NOT ${USE_MULTIMEDIA} STREQUAL "none")
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install(TARGETS ncls DESTINATION bin)
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install(TARGETS ncplayer DESTINATION bin)
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endif()
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install(TARGETS notcurses-core notcurses notcurses++
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LIBRARY
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DESTINATION ${CMAKE_INSTALL_LIBDIR}
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COMPONENT Libraries
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NAMELINK_COMPONENT Development
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)
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if(${USE_STATIC})
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install(
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TARGETS notcurses-core-static notcurses-static notcurses++-static
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LIBRARY
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DESTINATION ${CMAKE_INSTALL_LIBDIR}
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COMPONENT Libraries
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NAMELINK_COMPONENT Development
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)
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endif()
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LIST(APPEND INSTLIBS notcurses-core notcurses)
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if(${USE_STATIC})
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LIST(APPEND INSTLIBS notcurses-core-static notcurses-static)
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endif()
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if(${USE_CPP})
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LIST(APPEND INSTLIBS notcurses++)
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if(${USE_STATIC})
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LIST(APPEND INSTLIBS notcurses++-static)
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endif()
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endif()
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install(TARGETS ${INSTLIBS}
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LIBRARY
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DESTINATION ${CMAKE_INSTALL_LIBDIR}
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COMPONENT Libraries
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NAMELINK_COMPONENT Development
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)
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option(DUMMY_PYTHON "Build dummy python module used for compile check and Clangd" OFF)
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if(${DUMMY_PYTHON})
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set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
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@ -95,11 +95,14 @@ but must be `Debug` for use of `USE_COVERAGE`.
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* `DFSG_BUILD`: leave out all content considered non-free under the Debian Free
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Software Guidelines
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* `BUILD_TESTING`: build test targets
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* `USE_CPP`: build C++ code (requires a C++ compiler)
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* `USE_COVERAGE`: build coverage support (for developers, requires use of Clang)
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* `USE_DOCTEST`: build `notcurses-tester` with Doctest, requires `BUILD_TESTING`
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* `USE_DOCTEST=on` requires `USE_CPP=off`
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* `USE_DOXYGEN`: build interlinked HTML documentation with Doxygen
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* `USE_GPM`: build GPM console mouse support via libgpm
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* `USE_MULTIMEDIA`: `ffmpeg` for FFmpeg, `oiio` for OpenImageIO, `none` for none
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* `oiio` cannot be used with `USE_CPP=off`
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* `USE_PANDOC`: build man pages with pandoc
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* `USE_POC`: build small, uninstalled proof-of-concept binaries
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* `USE_QRCODEGEN`: build qrcode support via libqrcodegen
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2
NEWS.md
2
NEWS.md
@ -10,6 +10,8 @@ rearrangements of Notcurses.
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keybindings.
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* Helper function `ncwcsrtombs()` is now available for converting a
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`wchar_t *` to a heap-allocated UTF-8 `char *`.
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* Building without a C++ compiler is now supported using `-DUSE_CPP=off`. See
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the FAQs for restrictions.
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* 2.4.3 (2021-09-26)
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* `ncplane_erase_region()` has been made much more general, and can now
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@ -269,6 +269,15 @@ If things break or seem otherwise lackluster, **please** consult the
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more importantly, it will link against minimal Notcurses installations.
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</details>
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<details>
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<summary>We're paying by the electron, and have no C++ compiler. Can we still
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enjoy Notcurses goodness?</summary>
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Some of it! You won't be able to build several binaries, nor the NCPP C++
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wrappers, nor can you build with the OpenImageIO multimedia backend (OIIO
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ships C++ headers). You'll be able to build the main library, though, as
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well as `notcurses-demo` (and maybe a few other binaries).
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</details>
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<details>
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<summary>Does it work with hardware terminals?</summary>
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With the correct `TERM` value, many hardware terminals are supported. The VT100
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