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Tests/RunCMake/CXXModules: actually generate the source at build time

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This tests what is intended to be tested (sources that do not exist
until after the configure has run).
This commit is contained in:
Ben Boeckel
2023-08-07 17:45:40 -04:00
parent 4240e74858
commit 1e9ec93f48
2 changed files with 9 additions and 5 deletions
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2
Tests/RunCMake/CXXModules/examples/generated-stderr.txt
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@@ -1,4 +1,4 @@
CMake Warning \(dev\) at CMakeLists.txt:12 \(target_sources\):
CMake Warning \(dev\) at CMakeLists.txt:16 \(target_sources\):
CMake's C\+\+ module support is experimental. It is meant only for
experimentation and feedback to CMake developers.
This warning is for project developers. Use -Wno-dev to suppress it.

12
Tests/RunCMake/CXXModules/examples/generated/CMakeLists.txt
View File

@@ -3,10 +3,14 @@ project(cxx_modules_generated CXX)
include("${CMAKE_SOURCE_DIR}/../cxx-modules-rules.cmake")
configure_file(
"${CMAKE_CURRENT_SOURCE_DIR}/importable.cxx.in"
"${CMAKE_CURRENT_BINARY_DIR}/importable.cxx"
COPYONLY)
add_custom_command(
OUTPUT "${CMAKE_CURRENT_BINARY_DIR}/importable.cxx"
DEPENDS "${CMAKE_CURRENT_SOURCE_DIR}/importable.cxx.in"
COMMAND "${CMAKE_COMMAND}"
-E copy_if_different
"${CMAKE_CURRENT_SOURCE_DIR}/importable.cxx.in"
"${CMAKE_CURRENT_BINARY_DIR}/importable.cxx"
COMMENT "Copying 'importable.cxx'")
add_executable(generated)
target_sources(generated