297 lines
10 KiB
CMake
297 lines
10 KiB
CMake
# this test creates a static library and an executable
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# the source to the library is then changed
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# and the build is done on the executable and if things
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# are working the executable should relink with the new
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# value. The subdir Project contains the CMakelists.txt
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# and source files for the test project.
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cmake_minimum_required (VERSION 2.6)
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project(BuildDepends)
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# This entire test takes place during the initial
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# configure step. It should not run again when the
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# project is built.
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set(CMAKE_SUPPRESS_REGENERATION 1)
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# Xcode needs some help with the fancy dependencies in this test.
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if("${CMAKE_GENERATOR}" MATCHES "Xcode")
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set(HELP_XCODE 1)
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endif()
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function(help_xcode_depends)
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if(HELP_XCODE)
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file(GLOB_RECURSE MACRO_OBJS
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${BuildDepends_BINARY_DIR}/Project/zot_macro_*.o*
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)
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if(MACRO_OBJS)
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message("Helping Xcode by removing objects [${MACRO_OBJS}]")
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file(REMOVE ${MACRO_OBJS})
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endif()
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endif()
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endfunction()
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if("${CMAKE_GENERATOR}" MATCHES "Ninja")
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set(HELP_NINJA 1) # TODO Why is this needed?
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endif()
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# The Intel compiler causes the MSVC linker to crash during
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# incremental linking, so avoid the /INCREMENTAL:YES flag.
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if(WIN32 AND "${CMAKE_CXX_COMPILER_ID}" MATCHES "Intel")
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set(_cmake_options "-DCMAKE_EXE_LINKER_FLAGS=")
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endif()
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if("${CMAKE_GENERATOR}" MATCHES "Make")
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set(TEST_LINK_DEPENDS ${BuildDepends_BINARY_DIR}/Project/linkdep.txt)
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file(WRITE ${TEST_LINK_DEPENDS} "1")
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endif()
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list(APPEND _cmake_options "-DTEST_LINK_DEPENDS=${TEST_LINK_DEPENDS}")
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list(APPEND _cmake_options "-DCMAKE_FORCE_DEPFILES=1")
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file(MAKE_DIRECTORY ${BuildDepends_BINARY_DIR}/Project)
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message("Creating Project/foo.cxx")
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write_file(${BuildDepends_BINARY_DIR}/Project/foo.cxx
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"const char* foo() { return \"foo\";}" )
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file(WRITE ${BuildDepends_BINARY_DIR}/Project/zot.hxx.in
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"static const char* zot = \"zot\";\n")
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file(WRITE ${BuildDepends_BINARY_DIR}/Project/dir/header.txt
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"#define HEADER_STRING \"ninja\"\n" )
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file(WRITE ${BuildDepends_BINARY_DIR}/Project/zot_custom.hxx.in
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"static const char* zot_custom = \"zot_custom\";\n")
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file(WRITE ${BuildDepends_BINARY_DIR}/Project/zot_macro_dir.hxx
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"static const char* zot_macro_dir = \"zot_macro_dir\";\n")
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file(WRITE ${BuildDepends_BINARY_DIR}/Project/zot_macro_tgt.hxx
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"static const char* zot_macro_tgt = \"zot_macro_tgt\";\n")
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file(WRITE ${BuildDepends_BINARY_DIR}/Project/link_depends_no_shared_lib.h
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"#define link_depends_no_shared_lib_value 1\n")
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file(WRITE ${BuildDepends_BINARY_DIR}/Project/link_depends_no_shared_exe.h
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"#define link_depends_no_shared_exe_value 0\n")
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set(link_depends_no_shared_check_txt ${BuildDepends_BINARY_DIR}/Project/link_depends_no_shared_check.txt)
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help_xcode_depends()
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message("Building project first time")
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try_compile(RESULT
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${BuildDepends_BINARY_DIR}/Project
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${BuildDepends_SOURCE_DIR}/Project
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testRebuild
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CMAKE_FLAGS ${_cmake_options}
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OUTPUT_VARIABLE OUTPUT)
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if(HELP_XCODE)
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try_compile(RESULT
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${BuildDepends_BINARY_DIR}/Project
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${BuildDepends_SOURCE_DIR}/Project
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testRebuild
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OUTPUT_VARIABLE OUTPUT)
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try_compile(RESULT
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${BuildDepends_BINARY_DIR}/Project
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${BuildDepends_SOURCE_DIR}/Project
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testRebuild
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OUTPUT_VARIABLE OUTPUT)
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endif()
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message("Output from first build:\n${OUTPUT}")
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if(NOT RESULT)
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message(SEND_ERROR "Could not build test project (1)!")
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endif()
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# find and save the ninjadep executable
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set(ninjadep ${BuildDepends_BINARY_DIR}/Project/ninjadep${CMAKE_EXECUTABLE_SUFFIX})
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if(EXISTS
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"${BuildDepends_BINARY_DIR}/Project/Debug/ninjadep${CMAKE_EXECUTABLE_SUFFIX}" )
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message("found debug")
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set(ninjadep
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"${BuildDepends_BINARY_DIR}/Project/Debug/ninjadep${CMAKE_EXECUTABLE_SUFFIX}")
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endif()
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message("Running ${ninjadep} ")
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execute_process(COMMAND ${ninjadep} OUTPUT_VARIABLE out RESULT_VARIABLE runResult)
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string(REGEX REPLACE "[\r\n]" " " out "${out}")
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message("Run result: ${runResult} Output: \"${out}\"")
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if("${out}" STREQUAL "HEADER_STRING: ninja ")
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message("Worked!")
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else()
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message(SEND_ERROR "Project did not rebuild properly. Output[${out}]\n"
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" expected [HEADER_STRING: ninja]")
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endif()
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set(bar ${BuildDepends_BINARY_DIR}/Project/bar${CMAKE_EXECUTABLE_SUFFIX})
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if(EXISTS
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"${BuildDepends_BINARY_DIR}/Project/Debug/bar${CMAKE_EXECUTABLE_SUFFIX}" )
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message("found debug")
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set(bar
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"${BuildDepends_BINARY_DIR}/Project/Debug/bar${CMAKE_EXECUTABLE_SUFFIX}")
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endif()
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set(zot ${BuildDepends_BINARY_DIR}/Project/zot${CMAKE_EXECUTABLE_SUFFIX})
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if(EXISTS
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"${BuildDepends_BINARY_DIR}/Project/Debug/zot${CMAKE_EXECUTABLE_SUFFIX}" )
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message("found debug")
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set(zot
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"${BuildDepends_BINARY_DIR}/Project/Debug/zot${CMAKE_EXECUTABLE_SUFFIX}")
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endif()
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message("Running ${bar} ")
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execute_process(COMMAND ${bar} OUTPUT_VARIABLE out RESULT_VARIABLE runResult)
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string(REGEX REPLACE "[\r\n]" " " out "${out}")
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message("Run result: ${runResult} Output: \"${out}\"")
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if("${out}" STREQUAL "foo ")
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message("Worked!")
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else()
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message(SEND_ERROR "Project did not initially build properly: ${out}")
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endif()
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message("Running ${zot} ")
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execute_process(COMMAND ${zot} OUTPUT_VARIABLE out RESULT_VARIABLE runResult)
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string(REGEX REPLACE "[\r\n]" " " out "${out}")
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message("Run result: ${runResult} Output: \"${out}\"")
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set(VALUE_UNCHANGED "[zot] [zot_custom] [zot_macro_dir] [zot_macro_tgt] ")
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if("${out}" STREQUAL "${VALUE_UNCHANGED}")
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message("Worked!")
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else()
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message(SEND_ERROR "Project did not initially build properly: ${out}")
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endif()
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if(EXISTS "${link_depends_no_shared_check_txt}")
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file(STRINGS "${link_depends_no_shared_check_txt}" link_depends_no_shared_check LIMIT_COUNT 1)
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if("${link_depends_no_shared_check}" STREQUAL "1")
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message(STATUS "link_depends_no_shared_exe is newer than link_depends_no_shared_lib as expected.")
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else()
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message(SEND_ERROR "Project did not initially build properly: "
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"link_depends_no_shared_exe is older than link_depends_no_shared_lib.")
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endif()
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else()
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message(SEND_ERROR "Project did not initially build properly: "
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"Targets link_depends_no_shared_lib and link_depends_no_shared_exe not both built.")
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endif()
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message("Waiting 3 seconds...")
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# any additional argument will cause ${bar} to wait forever
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execute_process(COMMAND ${bar} -infinite TIMEOUT 3 OUTPUT_VARIABLE out)
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message("Modifying Project/foo.cxx")
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write_file(${BuildDepends_BINARY_DIR}/Project/foo.cxx
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"const char* foo() { return \"foo changed\";}" )
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file(WRITE "${BuildDepends_BINARY_DIR}/Project/dir/header.txt"
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"#define HEADER_STRING \"ninja changed\"\n" )
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file(WRITE ${BuildDepends_BINARY_DIR}/Project/zot.hxx.in
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"static const char* zot = \"zot changed\";\n")
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file(WRITE ${BuildDepends_BINARY_DIR}/Project/zot_custom.hxx.in
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"static const char* zot_custom = \"zot_custom changed\";\n")
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file(WRITE ${BuildDepends_BINARY_DIR}/Project/zot_macro_dir.hxx
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"static const char* zot_macro_dir = \"zot_macro_dir changed\";\n")
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file(WRITE ${BuildDepends_BINARY_DIR}/Project/zot_macro_tgt.hxx
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"static const char* zot_macro_tgt = \"zot_macro_tgt changed\";\n")
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file(WRITE ${BuildDepends_BINARY_DIR}/Project/link_depends_no_shared_lib.h
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"#define link_depends_no_shared_lib_value 0\n")
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if(TEST_LINK_DEPENDS)
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file(WRITE ${TEST_LINK_DEPENDS} "2")
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endif()
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help_xcode_depends()
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message("Building project second time")
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try_compile(RESULT
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${BuildDepends_BINARY_DIR}/Project
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${BuildDepends_SOURCE_DIR}/Project
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testRebuild
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CMAKE_FLAGS ${_cmake_options}
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OUTPUT_VARIABLE OUTPUT)
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# Xcode is in serious need of help here
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if(HELP_XCODE OR HELP_NINJA)
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try_compile(RESULT
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${BuildDepends_BINARY_DIR}/Project
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${BuildDepends_SOURCE_DIR}/Project
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testRebuild
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OUTPUT_VARIABLE OUTPUT)
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try_compile(RESULT
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${BuildDepends_BINARY_DIR}/Project
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${BuildDepends_SOURCE_DIR}/Project
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testRebuild
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OUTPUT_VARIABLE OUTPUT)
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endif()
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message("Output from second build:\n${OUTPUT}")
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if(NOT RESULT)
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message(SEND_ERROR "Could not build test project (2)!")
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endif()
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if(EXISTS
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"${BuildDepends_BINARY_DIR}/Project/Debug/bar${CMAKE_EXECUTABLE_SUFFIX}" )
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message("found debug")
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endif()
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if(EXISTS
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"${BuildDepends_BINARY_DIR}/Project/Debug/zot${CMAKE_EXECUTABLE_SUFFIX}" )
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message("found debug")
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endif()
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message("Running ${ninjadep} ")
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execute_process(COMMAND ${ninjadep} OUTPUT_VARIABLE out RESULT_VARIABLE runResult)
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string(REGEX REPLACE "[\r\n]" " " out "${out}")
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message("Run result: ${runResult} Output: \"${out}\"")
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if("${out}" STREQUAL "HEADER_STRING: ninja changed ")
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message("Worked!")
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elseif(CMAKE_GENERATOR STREQUAL "Visual Studio 6")
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# Tolerate failure because VS 6 does not seem to recompile ninjadep.cpp
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# when the "dir/header.h" it includes changes.
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else()
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message(SEND_ERROR "Project did not rebuild properly. Output[${out}]\n"
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" expected [HEADER_STRING: ninja changed]")
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endif()
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message("Running ${bar} ")
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execute_process(COMMAND ${bar} OUTPUT_VARIABLE out RESULT_VARIABLE runResult)
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string(REGEX REPLACE "[\r\n]" " " out "${out}")
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message("Run result: ${runResult} Output: \"${out}\"")
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if("${out}" STREQUAL "foo changed ")
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message("Worked!")
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else()
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message(SEND_ERROR "Project did not rebuild properly!")
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endif()
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message("Running ${zot} ")
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execute_process(COMMAND ${zot} OUTPUT_VARIABLE out RESULT_VARIABLE runResult)
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string(REGEX REPLACE "[\r\n]" " " out "${out}")
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message("Run result: ${runResult} Output: \"${out}\"")
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set(VALUE_CHANGED
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"[zot changed] [zot_custom changed] [zot_macro_dir changed] [zot_macro_tgt changed] "
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)
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if("${out}" STREQUAL "${VALUE_CHANGED}")
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message("Worked!")
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else()
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message(SEND_ERROR "Project did not rebuild properly!")
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endif()
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if(TEST_LINK_DEPENDS)
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set(linkdep ${BuildDepends_BINARY_DIR}/Project/linkdep${CMAKE_EXECUTABLE_SUFFIX})
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if(${linkdep} IS_NEWER_THAN ${TEST_LINK_DEPENDS})
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message("LINK_DEPENDS worked")
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else()
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message(SEND_ERROR "LINK_DEPENDS failed. Executable
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${linkdep}
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is not newer than dependency
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${TEST_LINK_DEPENDS}
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")
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endif()
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endif()
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if(EXISTS "${link_depends_no_shared_check_txt}")
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file(STRINGS "${link_depends_no_shared_check_txt}" link_depends_no_shared_check LIMIT_COUNT 1)
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if("${link_depends_no_shared_check}" STREQUAL "0")
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message(STATUS "link_depends_no_shared_exe is older than link_depends_no_shared_lib as expected.")
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elseif(XCODE AND NOT XCODE_VERSION VERSION_LESS 5)
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message(STATUS "Known limitation: link_depends_no_shared_exe is newer than link_depends_no_shared_lib but we cannot stop Xcode ${XCODE_VERSION} from enforcing this dependency.")
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else()
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message(SEND_ERROR "Project did not rebuild properly: link_depends_no_shared_exe is newer than link_depends_no_shared_lib.")
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endif()
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else()
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message(SEND_ERROR "Project did not rebuild properly. "
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"Targets link_depends_no_shared_lib and link_depends_no_shared_exe not both built.")
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endif()
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