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C++20 module support #105

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C++20 module support #105

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fc52022
Install CXX_MODULES
anarthal Dec 22, 2024
3d6703b
Helper function for C++20 modules
anarthal Dec 22, 2024
ca5e12b
Warning suppression for MSVC
anarthal Dec 22, 2024
0f5e4ac
Install modules to datadir
anarthal Dec 30, 2024
f412580
Rename config macro to BOOST_USE_MODULES
anarthal Dec 30, 2024
17b3387
Remove common function for modules
anarthal Jan 10, 2025
6d4c13c
Install modules
anarthal Feb 26, 2026
cbbb162
Merge branch 'feature/cxx20-modules' of github.com:anarthal/boost-cma…
anarthal Feb 27, 2026
eef66a8
Merge branch 'develop' into feature/cxx20-modules
anarthal Mar 5, 2026
afbc1f8
Fix older cmake version
anarthal Mar 5, 2026
399ade9
Modules docs 1
anarthal Mar 5, 2026
f5763b8
Modules docs 2
anarthal Mar 5, 2026
29ef890
Running the test suite
anarthal Mar 5, 2026
0df3ae6
Compiled libs 1
anarthal Mar 7, 2026
b757c78
src headers
anarthal Mar 7, 2026
bece0c7
gcc15 workarounds
anarthal Mar 7, 2026
6acac98
Rephrasing
anarthal Mar 7, 2026
4aa1151
some links
anarthal Mar 7, 2026
13ce5d2
inlines
anarthal Mar 7, 2026
a5bf8c8
proper links
anarthal Mar 7, 2026
e29bc2a
expand on initializers
anarthal Mar 7, 2026
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7 changes: 7 additions & 0 deletions include/BoostInstall.cmake
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Original file line number Diff line number Diff line change
Expand Up @@ -337,13 +337,20 @@ function(boost_install_target)
string(APPEND CONFIG_INSTALL_DIR "-static")
endif()

# C++20 modules supported since CMake 3.28
set(__BOOST_INSTALL_FILE_SET_ARGS)
if(CMAKE_VERSION VERSION_GREATER_EQUAL 3.28)
set(__BOOST_INSTALL_FILE_SET_ARGS FILE_SET CXX_MODULES DESTINATION "${CMAKE_INSTALL_DATADIR}")
endif()

install(TARGETS ${LIB} EXPORT ${LIB}-targets
# explicit destination specification required for 3.13, 3.14 no longer needs it
RUNTIME DESTINATION "${CMAKE_INSTALL_BINDIR}"
LIBRARY DESTINATION "${CMAKE_INSTALL_LIBDIR}"
ARCHIVE DESTINATION "${CMAKE_INSTALL_LIBDIR}"
PRIVATE_HEADER DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}"
PUBLIC_HEADER DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}"
${__BOOST_INSTALL_FILE_SET_ARGS}
)

export(TARGETS ${LIB} NAMESPACE Boost:: FILE export/${LIB}-targets.cmake)
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3 changes: 3 additions & 0 deletions include/BoostRoot.cmake
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Expand Up @@ -303,6 +303,9 @@ macro(__boost_add_header_only lib)

endmacro()

# C++20 modules
option(BOOST_USE_MODULES "Build Boost as a collection of C++20 modules (unstable)" OFF)

#

file(GLOB __boost_libraries RELATIVE "${BOOST_SUPERPROJECT_SOURCE_DIR}/libs" "${BOOST_SUPERPROJECT_SOURCE_DIR}/libs/*/CMakeLists.txt" "${BOOST_SUPERPROJECT_SOURCE_DIR}/libs/numeric/*/CMakeLists.txt")
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