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cmake: surface headers in Visual Studio solution #1222

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cmake: surface headers in Visual Studio solution #1222

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cmake: surface headers in Visual Studio solution
cnaples79 Oct 6, 2025
5146d31
cmake: fix interface header paths
cnaples79 Oct 7, 2025
d43635b
cmake: glob headers and surface solution docs
cnaples79 Oct 8, 2025
8fce2e7
cmake: avoid VS solution items property
cnaples79 Oct 8, 2025
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52 changes: 51 additions & 1 deletion CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -17,7 +17,57 @@ target_compile_features(GSL INTERFACE "cxx_std_14")
# Setup include directory
add_subdirectory(include)

target_sources(GSL INTERFACE $<BUILD_INTERFACE:${GSL_SOURCE_DIR}/GSL.natvis>)
set(GSL_HEADER_FILES
gsl/algorithm
gsl/assert
gsl/byte
gsl/gsl
gsl/narrow
gsl/pointers
gsl/span
gsl/span_ext
gsl/util
gsl/zstring
)

# Build/install interface lists ensure CMake is happy when exporting headers via
# INTERFACE sources. Absolute paths would be rejected by newer CMake versions
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@carsonRadtke carsonRadtke Oct 8, 2025

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nit: "Newer" may be true now but won't be true in the future. Any chance you know which version of CMake starts throwing the error?

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@cnaples79 cnaples79 Oct 8, 2025

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I believe it's 4.1.2, below that didn't throw for me.

# (discovered while testing with 4.1).
set(GSL_HEADER_INTERFACE_SOURCES)
foreach(header ${GSL_HEADER_FILES})
list(APPEND GSL_HEADER_INTERFACE_SOURCES
$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include/${header}>
$<INSTALL_INTERFACE:include/${header}>
)
endforeach()

target_sources(GSL INTERFACE
${GSL_HEADER_INTERFACE_SOURCES}
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@carsonRadtke carsonRadtke Oct 8, 2025

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suggestion: According to https://github.com/microsoft/GSL/pull/1112/files#r1190452831 this only affects VS solutions. Let's move it into your new if (CMAKE_GENERATOR MATCHES "Visual Studio") block and combine it with the other target_sources (which doesn't yet exist; see my comment about VS_SOLUTION_ITEMS).

$<BUILD_INTERFACE:${GSL_SOURCE_DIR}/GSL.natvis>
)

if (CMAKE_GENERATOR MATCHES "Visual Studio")
# Visual Studio still needs concrete file paths for solution grouping.
set(GSL_HEADER_ABSOLUTE_PATHS)
foreach(header ${GSL_HEADER_FILES})
list(APPEND GSL_HEADER_ABSOLUTE_PATHS ${GSL_SOURCE_DIR}/include/${header})
endforeach()
source_group(TREE ${GSL_SOURCE_DIR}/include PREFIX "Header Files" FILES ${GSL_HEADER_ABSOLUTE_PATHS})
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@carsonRadtke carsonRadtke Oct 8, 2025

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issue: Based on your PR description, it sounds like this should appear in the solution adjacent to "Solution Items"? I'm not seeing anything.

> cmake --version
> PS D:\GSL\build> cmake --version
cmake version 4.1.0
Image

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@cnaples79 cnaples79 Oct 8, 2025

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I added a source_group call, the docs should land in the solution items node now.


set(GSL_SOLUTION_FILES
${GSL_SOURCE_DIR}/.clang-format
${GSL_SOURCE_DIR}/.gitattributes
${GSL_SOURCE_DIR}/.gitignore
${GSL_SOURCE_DIR}/CMakeSettings.json
${GSL_SOURCE_DIR}/CONTRIBUTING.md
${GSL_SOURCE_DIR}/LICENSE
${GSL_SOURCE_DIR}/README.md
${GSL_SOURCE_DIR}/SECURITY.md
${GSL_SOURCE_DIR}/ThirdPartyNotices.txt
)

set_property(DIRECTORY APPEND PROPERTY VS_SOLUTION_ITEMS ${GSL_SOLUTION_FILES})
endif()

if (GSL_TEST)
enable_testing()
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