mirror of
https://github.com/Kitware/CMake.git
synced 2026-04-22 14:23:10 -05:00
Matthew Woehlke
56ae40cc59
Introduce a new signature for the project flavor of try_compile (and
try_run) which removes the `bindir` argument and adds a required PROJECT
tag. This is similar to the SOURCES flavor added by commit aa9220d3
(try_compile: Add keyword-dispatched signature, 2022-09-02).
219 lines
9.3 KiB
CMake
219 lines
9.3 KiB
CMake
cmake_minimum_required (VERSION 2.8.12)
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if(POLICY CMP0129)
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cmake_policy(SET CMP0129 NEW)
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endif()
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project(TryCompile)
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macro(EXPECT_PASS var out)
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if(NOT ${var})
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message(SEND_ERROR "Should pass failed ${out}")
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endif()
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endmacro()
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macro(EXPECT_FAIL var out)
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if(${var})
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message(SEND_ERROR "Should fail passed ${out}")
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endif()
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endmacro()
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macro(TEST_ASSERT value msg)
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if (NOT ${value})
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message (SEND_ERROR "Assertion failure:" ${msg} )
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endif ()
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endmacro()
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macro(TEST_FAIL value msg)
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if (${value})
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message (SEND_ERROR "Failing test succeeded:" ${msg} )
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endif ()
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endmacro()
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macro(TEST_EXPECT_EXACT command expected)
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if(NOT "x${result}" STREQUAL "x${expected}")
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message(SEND_ERROR "${CMAKE_CURRENT_LIST_LINE}: TEST \"${command}\" failed: \"${result}\" expected: \"${expected}\"")
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endif()
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endmacro()
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macro(TEST_EXPECT_CONTAINS command expected)
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if(NOT "${result}" MATCHES "${expected}")
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message(SEND_ERROR "${CMAKE_CURRENT_LIST_LINE}: TEST \"${command}\" failed: \"${result}\" expected: \"${expected}\"")
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endif()
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endmacro()
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if (APPLE)
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enable_language(OBJC)
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enable_language(OBJCXX)
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endif()
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# run old signature tests
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set(try_compile_bindir_or_SOURCES ${TryCompile_BINARY_DIR})
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set(try_compile_redundant_SOURCES SOURCES)
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set(try_compile_output_vars OUTPUT_VARIABLE TRY_OUT)
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set(try_compile_compile_output_var TRY_OUT)
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set(try_compile_run_output_var TRY_OUT)
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include(old_and_new_signature_tests.cmake)
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# run new signature tests
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set(try_compile_bindir_or_SOURCES SOURCES)
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set(try_compile_redundant_SOURCES "")
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set(try_compile_output_vars
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COMPILE_OUTPUT_VARIABLE COMPILE_OUT
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RUN_OUTPUT_VARIABLE RUN_OUTPUT)
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set(try_compile_compile_output_var COMPILE_OUT)
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set(try_compile_run_output_var RUN_OUTPUT)
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include(old_and_new_signature_tests.cmake)
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# try to compile a project (old signature)
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message("Testing try_compile project mode (old signature)")
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try_compile(TEST_INNER
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${TryCompile_BINARY_DIR}/CMakeFiles/Inner
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${TryCompile_SOURCE_DIR}/Inner
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TryCompileInner innerexe
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OUTPUT_VARIABLE output)
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TEST_ASSERT(TEST_INNER "try_compile project mode failed:\n${output}")
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# try to compile a project (new signature)
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message("Testing try_compile project mode (new signature)")
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try_compile(TEST_INNER
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PROJECT TryCompileInner
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SOURCE_DIR ${TryCompile_SOURCE_DIR}/Inner
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TARGET innerexe
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OUTPUT_VARIABLE output)
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TEST_ASSERT(TEST_INNER "try_compile project mode failed:\n${output}")
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add_executable(TryCompile pass.c)
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#######################################################################
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#
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# also test that the CHECK_C_SOURCE_COMPILES, CHECK_CXX_SOURCE_COMPILES
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# CHECK_C_SOURCE_RUNS and CHECK_CXX_SOURCE_RUNS macros work
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include(CheckCSourceCompiles)
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include(CheckCXXSourceCompiles)
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include(CheckCSourceRuns)
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include(CheckCXXSourceRuns)
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CHECK_C_SOURCE_COMPILES("I don't build" C_BUILD_SHOULD_FAIL)
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CHECK_C_SOURCE_COMPILES("int main() {return 0;}" C_BUILD_SHOULD_WORK)
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CHECK_C_SOURCE_RUNS("int main() {return 1;}" C_RUN_SHOULD_FAIL)
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CHECK_C_SOURCE_RUNS("int main() {return 0;}" C_RUN_SHOULD_WORK)
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TEST_FAIL(C_BUILD_SHOULD_FAIL "CHECK_C_SOURCE_COMPILES() succeeded, but should have failed")
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TEST_ASSERT(C_BUILD_SHOULD_WORK "CHECK_C_SOURCE_COMPILES() failed")
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TEST_FAIL(C_RUN_SHOULD_FAIL "CHECK_C_SOURCE_RUNS() succeeded, but should have failed")
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TEST_ASSERT(C_RUN_SHOULD_WORK "CHECK_C_SOURCE_RUNS() failed")
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CHECK_CXX_SOURCE_COMPILES("I don't build" CXX_BUILD_SHOULD_FAIL)
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CHECK_CXX_SOURCE_COMPILES("int main() {return 0;}" CXX_BUILD_SHOULD_WORK)
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CHECK_CXX_SOURCE_COMPILES("void l(char const (&x)[2]){}; int main() { l(\"\\\\n\"); return 0;}"
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CXX_BUILD_SHOULD_WORK_COMPLEX)
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CHECK_CXX_SOURCE_RUNS("int main() {return 2;}" CXX_RUN_SHOULD_FAIL)
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CHECK_CXX_SOURCE_RUNS("int main() {return 0;}" CXX_RUN_SHOULD_WORK)
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TEST_FAIL(CXX_BUILD_SHOULD_FAIL "CHECK_CXX_SOURCE_COMPILES() succeeded, but should have failed")
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TEST_ASSERT(CXX_BUILD_SHOULD_WORK "CHECK_CXX_SOURCE_COMPILES() failed")
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TEST_ASSERT(CXX_BUILD_SHOULD_WORK_COMPLEX "CHECK_CXX_SOURCE_COMPILES() failed")
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TEST_FAIL(CXX_RUN_SHOULD_FAIL "CHECK_CXX_SOURCE_RUNS() succeeded, but should have failed")
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TEST_ASSERT(CXX_RUN_SHOULD_WORK "CHECK_CXX_SOURCE_RUNS() failed")
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foreach(lang C CXX)
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if(NOT CMAKE_${lang}_COMPILER_ID STREQUAL "PathScale")
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set(${lang}_DD --)
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endif()
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endforeach()
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unset(C_BOGUS_FLAG CACHE)
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include(CheckCCompilerFlag)
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CHECK_C_COMPILER_FLAG(${C_DD}-_this_is_not_a_flag_ C_BOGUS_FLAG)
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TEST_FAIL(C_BOGUS_FLAG "CHECK_C_COMPILER_FLAG() succeeded, but should have failed")
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unset(C_BOGUS_FLAG CACHE)
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if(DEFINED C_BOGUS_FLAG)
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# Verify that CHECK_C_COMPILER_FLAG didn't construct a normal variable
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message(SEND_ERROR "CHECK_C_COMPILER_FLAG shouldn't construct C_BOGUS_FLAG as a normal variable")
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endif()
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unset(CXX_BOGUS_FLAG CACHE)
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include(CheckCXXCompilerFlag)
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CHECK_CXX_COMPILER_FLAG(${CXX_DD}-_this_is_not_a_flag_ CXX_BOGUS_FLAG)
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TEST_FAIL(CXX_BOGUS_FLAG "CHECK_CXX_COMPILER_FLAG() succeeded, but should have failed")
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unset(CXX_BOGUS_FLAG CACHE)
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if(DEFINED CXX_BOGUS_FLAG)
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# Verify that CHECK_C_COMPILER_FLAG didn't construct a normal variable
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message(SEND_ERROR "CHECK_CXX_COMPILER_FLAG shouldn't construct CXX_BOGUS_FLAG as a normal variable")
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endif()
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if(CMAKE_C_COMPILER_ID STREQUAL "GNU" OR CMAKE_C_COMPILER_ID STREQUAL "LCC")
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unset(C_STRICT_PROTOTYPES CACHE)
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CHECK_C_COMPILER_FLAG("-Werror;-Wstrict-prototypes" C_STRICT_PROTOTYPES)
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TEST_ASSERT(C_STRICT_PROTOTYPES "CHECK_C_COMPILER_FLAG failed -Werror -Wstrict-prototypes")
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endif()
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#########################################################################
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#
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# Test that the CHECK_OBJCC_SOURCE_COMPILES, CHECK_OBJCXX_SOURCE_COMPILES
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# CHECK_OBJC_SOURCE_RUNS and CHECK_OBJCXX_SOURCE_RUNS macros work
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if (APPLE)
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enable_language(OBJC)
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enable_language(OBJCXX)
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include(CheckOBJCSourceCompiles)
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include(CheckOBJCXXSourceCompiles)
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include(CheckOBJCSourceRuns)
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include(CheckOBJCXXSourceRuns)
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CHECK_OBJC_SOURCE_COMPILES("I don't build in Objective-C" OBJC_BUILD_SHOULD_FAIL)
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CHECK_OBJC_SOURCE_COMPILES("int main() { return 0; }" SIMPLE_OBJC_BUILD_SHOULD_WORK)
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TEST_FAIL(OBJC_BUILD_SHOULD_FAIL "CHECK_OBJC_SOURCE_COMPILES() succeeded, but should have failed")
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TEST_ASSERT(SIMPLE_OBJC_BUILD_SHOULD_WORK "CHECK_OBJC_SOURCE_COMPILES() failed, but should have succeeded")
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set(CMAKE_REQUIRED_LIBRARIES "-framework Foundation")
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CHECK_OBJC_SOURCE_COMPILES("#import <Foundation/Foundation.h>\nint main()\n{\nNSObject *foo;\nreturn 0;\n}\n" OBJC_BUILD_SHOULD_WORK)
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CHECK_OBJC_SOURCE_RUNS("int main() { return 2; }" SIMPLE_OBJC_RUN_SHOULD_FAIL)
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CHECK_OBJC_SOURCE_RUNS("int main() { return 0; }" SIMPLE_OBJC_RUN_SHOULD_WORK)
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CHECK_OBJC_SOURCE_RUNS("#import <Foundation/Foundation.h>\nint main()\n{\nNSObject *foo;\nreturn 2;\n}\n" OBJC_RUN_SHOULD_FAIL)
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CHECK_OBJC_SOURCE_RUNS("#import <Foundation/Foundation.h>\nint main()\n{\nNSObject *foo;\nreturn 0;\n}\n" OBJC_RUN_SHOULD_WORK)
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TEST_ASSERT(OBJC_BUILD_SHOULD_WORK "CHECK_OBJC_SOURCE_COMPILES() failed, but should have succeeded")
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TEST_FAIL(SIMPLE_OBJC_RUN_SHOULD_FAIL "CHECK_OBJC_SOURC_RUNS() succeeds, but should have failed")
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TEST_ASSERT(SIMPLE_OBJC_RUN_SHOULD_WORK "CHECK_OBJC_SOURCE_RUNS() failed, but should have succeeded")
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TEST_FAIL(OBJC_RUN_SHOULD_FAIL "CHECK_OBJC_SOURCE_RUNS() succeeds, but should have failed")
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TEST_ASSERT(OBJC_RUN_SHOULD_WORK "CHECK_OBJC_SOURCE_RUNS() failed, but should have succeeded")
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CHECK_OBJCXX_SOURCE_COMPILES("I don't build in Objective-C++" OBJCXX_BUILD_SHOULD_FAIL)
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CHECK_OBJCXX_SOURCE_COMPILES("int main() { return 0; }" SIMPLE_OBJCXX_BUILD_SHOULD_WORK)
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TEST_FAIL(OBJCXX_BUILD_SHOULD_FAIL "CHECK_OBJCXX_SOURCE_COMPILES() succeeded, but should have failed")
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TEST_ASSERT(SIMPLE_OBJCXX_BUILD_SHOULD_WORK "CHECK_OBJCXX_SOURCE_COMPILES() failed, but should have succeeded")
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CHECK_OBJCXX_SOURCE_COMPILES("#import <Foundation/Foundation.h>\n#include <iostream>\nint main()\n{\nNSObject *foo;\nstd::cout << \"Hello\" << std::endl;\nreturn 0;\n}\n" OBJCXX_BUILD_SHOULD_WORK)
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CHECK_OBJCXX_SOURCE_RUNS("int main() { return 2; }" SIMPLE_OBJCXX_RUN_SHOULD_FAIL)
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CHECK_OBJCXX_SOURCE_RUNS("int main() { return 0; }" SIMPLE_OBJCXX_RUN_SHOULD_WORK)
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CHECK_OBJCXX_SOURCE_RUNS("#import <Foundation/Foundation.h>\n#include <vector>\nint main()\n{\nNSObject *foo;\nstd::vector<int> bar;\nreturn 2;\n}\n" OBJCXX_RUN_SHOULD_FAIL)
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CHECK_OBJCXX_SOURCE_RUNS("#import <Foundation/Foundation.h>\n#include <vector>\nint main()\n{\nNSObject *foo;\nstd::vector<int> bar;\nreturn 0;\n}\n" OBJCXX_RUN_SHOULD_WORK)
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TEST_ASSERT(OBJCXX_BUILD_SHOULD_WORK "CHECK_OBJCXX_SOURCE_COMPILES() failed, but should have succeeded")
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TEST_FAIL(SIMPLE_OBJCXX_RUN_SHOULD_FAIL "CHECK_OBJCXX_SOURC_RUNS() succeeds, but should have failed")
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TEST_ASSERT(SIMPLE_OBJCXX_RUN_SHOULD_WORK "CHECK_OBJCXX_SOURCE_RUNS() failed, but should have succeeded")
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TEST_FAIL(OBJCXX_RUN_SHOULD_FAIL "CHECK_OBJCXX_SOURCE_RUNS() succeeds, but should have failed")
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TEST_ASSERT(OBJCXX_RUN_SHOULD_WORK "CHECK_OBJCXX_SOURCE_RUNS() failed, but should have succeeded")
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endif()
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#######################################################################
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#
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# also test that the check_prototype_definition macro works
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include(CheckPrototypeDefinition)
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check_prototype_definition(remove
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"int remove(const char *pathname)"
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"0"
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"stdio.h"
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TEST_REMOVE_PROTO)
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test_assert(TEST_REMOVE_PROTO "check_prototype_definition for remove() failed")
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