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cmake_minimum_required(VERSION 3.15)
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project(PchReuseFrom C)
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if(CMAKE_C_COMPILE_OPTIONS_USE_PCH)
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add_definitions(-DHAVE_PCH_SUPPORT)
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endif()
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# Add this before the target from which we will reuse the PCH
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# to test that generators can handle reversed ordering.
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add_library(foo foo.c)
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target_include_directories(foo PUBLIC include)
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add_library(empty empty.c)
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target_precompile_headers(empty PRIVATE
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<stdio.h>
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<string.h>
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)
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target_include_directories(empty PUBLIC include)
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target_precompile_headers(foo REUSE_FROM empty)
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# should not cause problems if configured multiple times
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target_precompile_headers(foo REUSE_FROM empty)
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add_executable(foobar foobar.c)
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target_link_libraries(foobar foo )
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set_target_properties(foobar PROPERTIES PRECOMPILE_HEADERS_REUSE_FROM foo)
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enable_testing()
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add_test(NAME foobar COMMAND foobar)
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