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test: compile public C++20 headers independently #1167

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Merged
andiwand merged 1 commit into from
Oct 6, 2026
Merged

test: compile public C++20 headers independently #1167

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16 changes: 14 additions & 2 deletions test/CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -204,10 +204,22 @@ target_link_libraries(odr_test

gtest_add_tests(TARGET odr_test)

# Holds the public headers to C++20. Not a gtest: it compiles or it does not.
add_library(odr_public_headers_cpp20 OBJECT "public_headers_cpp20.cpp")
# Compile each installed public header independently as a C++20 consumer.
file(GLOB ODR_PUBLIC_HEADERS CONFIGURE_DEPENDS "${PROJECT_SOURCE_DIR}/src/odr/*.hpp")
set(ODR_PUBLIC_HEADER_TESTS)
foreach (header IN LISTS ODR_PUBLIC_HEADERS)
get_filename_component(name "${header}" NAME)
if (name STREQUAL "http_server.hpp" AND NOT ODR_WITH_HTTP_SERVER)
continue()
endif ()
set(source "${CMAKE_CURRENT_BINARY_DIR}/public_headers_cpp20/${name}.cpp")
file(GENERATE OUTPUT "${source}" CONTENT "#include <odr/${name}>\n")
list(APPEND ODR_PUBLIC_HEADER_TESTS "${source}")
endforeach ()
add_library(odr_public_headers_cpp20 OBJECT ${ODR_PUBLIC_HEADER_TESTS})
target_link_libraries(odr_public_headers_cpp20 PRIVATE odr)
set_target_properties(odr_public_headers_cpp20 PROPERTIES
UNITY_BUILD OFF
CXX_STANDARD 20
CXX_STANDARD_REQUIRED ON
CXX_EXTENSIONS OFF)
17 changes: 0 additions & 17 deletions test/public_headers_cpp20.cpp
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