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# Import targets from the exported build tree.
include(${Import_BINARY_DIR}/../Export/ExportInterfaceBuildTree.cmake)
add_library(define_iface INTERFACE)
set_property(TARGET define_iface PROPERTY
INTERFACE_COMPILE_DEFINITIONS DEFINE_IFACE_DEFINE)
add_executable(headeronlytest_bld headeronlytest.cpp)
target_link_libraries(headeronlytest_bld bld_headeronly)
set_property(TARGET bld_sharediface APPEND PROPERTY INTERFACE_LINK_LIBRARIES define_iface)
add_executable(interfacetest_bld interfacetest.cpp)
target_link_libraries(interfacetest_bld bld_sharediface)
include(CheckCXXSourceCompiles)
macro(do_try_compile prefix)
set(CMAKE_REQUIRED_LIBRARIES ${prefix}headeronly)
check_cxx_source_compiles(
"
#include \"headeronly.h\"
#ifndef HEADERONLY_DEFINE
#error Expected HEADERONLY_DEFINE
#endif
int main(int,char**)
{
HeaderOnly ho;
return ho.foo();
}
" ${prefix}IFACE_TRY_COMPILE)
if(NOT ${prefix}IFACE_TRY_COMPILE)
message(SEND_ERROR "${prefix} try_compile with IMPORTED INTERFACE target failed!\n\n${OUTPUT}")
endif()
endmacro()
do_try_compile(bld_)
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