Commit 617ee7c5 authored by Stephen Kelly's avatar Stephen Kelly
Browse files

Add a test for SYSTEM headers in INTERFACE libraries.

parent 7e4910fe
...@@ -17,3 +17,31 @@ target_include_directories(upstream SYSTEM PUBLIC ...@@ -17,3 +17,31 @@ target_include_directories(upstream SYSTEM PUBLIC
add_library(consumer consumer.cpp) add_library(consumer consumer.cpp)
target_link_libraries(consumer upstream) target_link_libraries(consumer upstream)
target_compile_options(consumer PRIVATE -Werror=unused-variable) target_compile_options(consumer PRIVATE -Werror=unused-variable)
add_library(iface IMPORTED INTERFACE)
set_property(TARGET iface PROPERTY INTERFACE_INCLUDE_DIRECTORIES "${CMAKE_CURRENT_SOURCE_DIR}/systemlib_header_only")
add_library(imported_consumer imported_consumer.cpp)
target_link_libraries(imported_consumer iface)
target_compile_options(imported_consumer PRIVATE -Werror=unused-variable)
macro(do_try_compile error_option)
set(TC_ARGS
IFACE_TRY_COMPILE_${error_option}
"${CMAKE_CURRENT_BINARY_DIR}/try_compile_iface" "${CMAKE_CURRENT_SOURCE_DIR}/imported_consumer.cpp"
LINK_LIBRARIES iface
)
if (${error_option} STREQUAL WITH_ERROR)
list(APPEND TC_ARGS COMPILE_DEFINITIONS -Werror=unused-variable)
endif()
try_compile(${TC_ARGS})
endmacro()
do_try_compile(NO_ERROR)
if (NOT IFACE_TRY_COMPILE_NO_ERROR)
message(SEND_ERROR "try_compile failed with imported target.")
endif()
do_try_compile(WITH_ERROR)
if (NOT IFACE_TRY_COMPILE_WITH_ERROR)
message(SEND_ERROR "try_compile failed with imported target with error option.")
endif()
#include "systemlib.h"
int main()
{
return systemlib();
}
#ifndef SYSTEMLIB_H
#define SYSTEMLIB_H
int systemlib()
{
return 0;
}
int unusedFunc()
{
int unused;
return systemlib();
}
#endif
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