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cmake_minimum_required (VERSION 2.6)
PROJECT(TryCompile)
MACRO(TEST_ASSERT value msg)
IF (NOT ${value})
MESSAGE (SEND_ERROR "Assertion failure:" ${msg} )
ENDIF (NOT ${value})
ENDMACRO(TEST_ASSERT)
MACRO(TEST_FAIL value msg)
IF (${value})
MESSAGE (SEND_ERROR "Failing test succeeded:" ${msg} )
ENDIF (${value})
ENDMACRO(TEST_FAIL)
MACRO(TEST_EXPECT_EXACT command expected)
IF(NOT "x${result}" STREQUAL "x${expected}")
MESSAGE(SEND_ERROR "${CMAKE_CURRENT_LIST_LINE}: TEST \"${command}\" failed: \"${result}\" expected: \"${expected}\"")
ENDIF(NOT "x${result}" STREQUAL "x${expected}")
ENDMACRO(TEST_EXPECT_EXACT command expected)
MACRO(TEST_EXPECT_CONTAINS command expected)
IF(NOT "${result}" MATCHES "${expected}")
MESSAGE(SEND_ERROR "${CMAKE_CURRENT_LIST_LINE}: TEST \"${command}\" failed: \"${result}\" expected: \"${expected}\"")
ENDIF(NOT "${result}" MATCHES "${expected}")
ENDMACRO(TEST_EXPECT_CONTAINS command expected)
# try to compile a file that should compile
# also check that COPY_FILE works
TRY_COMPILE(SHOULD_PASS
${TryCompile_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp
${TryCompile_SOURCE_DIR}/pass.c
OUTPUT_VARIABLE TRY_OUT
COPY_FILE ${TryCompile_BINARY_DIR}/CopyOfPass
)
IF(NOT SHOULD_PASS)
MESSAGE(SEND_ERROR "should pass failed ${TRY_OUT}")
ENDIF(NOT SHOULD_PASS)
IF(NOT EXISTS "${TryCompile_BINARY_DIR}/CopyOfPass")
MESSAGE(SEND_ERROR "COPY_FILE to \"${TryCompile_BINARY_DIR}/CopyOfPass\" failed")
ELSE(NOT EXISTS "${TryCompile_BINARY_DIR}/CopyOfPass")
FILE(REMOVE "${TryCompile_BINARY_DIR}/CopyOfPass")
ENDIF(NOT EXISTS "${TryCompile_BINARY_DIR}/CopyOfPass")
# try to compile a file that should not compile
TRY_COMPILE(SHOULD_FAIL
${TryCompile_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp
${TryCompile_SOURCE_DIR}/fail.c
OUTPUT_VARIABLE TRY_OUT)
IF(SHOULD_FAIL)
MESSAGE(SEND_ERROR "Should fail passed ${TRY_OUT}")
ENDIF(SHOULD_FAIL)
# try to compile a file that should compile
TRY_COMPILE(SHOULD_PASS
${TryCompile_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp
${TryCompile_SOURCE_DIR}/pass.c
OUTPUT_VARIABLE TRY_OUT)
IF(NOT SHOULD_PASS)
MESSAGE(SEND_ERROR "should pass failed ${TRY_OUT}")
ENDIF(NOT SHOULD_PASS)
# try to compile a file that should not compile
TRY_COMPILE(SHOULD_FAIL
${TryCompile_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp
${TryCompile_SOURCE_DIR}/fail.c
OUTPUT_VARIABLE TRY_OUT)
IF(SHOULD_FAIL)
MESSAGE(SEND_ERROR "Should fail passed ${TRY_OUT}")
ENDIF(SHOULD_FAIL)
IF(NOT SHOULD_FAIL)
IF(SHOULD_PASS)
MESSAGE("All Tests passed, ignore all previous output.")
ELSE(SHOULD_PASS)
MESSAGE("Test failed")
ENDIF(SHOULD_PASS)
ELSE(NOT SHOULD_FAIL)
MESSAGE("Test failed")
ENDIF(NOT SHOULD_FAIL)
TRY_COMPILE(CMAKE_ANSI_FOR_SCOPE
${TryCompile_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp
${CMAKE_ROOT}/Modules/TestForAnsiForScope.cxx OUTPUT_VARIABLE OUT)
IF (CMAKE_ANSI_FOR_SCOPE)
MESSAGE("Compiler supports ansi for")
ELSE(CMAKE_ANSI_FOR_SCOPE)
MESSAGE("Compiler does not support ansi for scope")
ENDIF(CMAKE_ANSI_FOR_SCOPE)
TRY_COMPILE(CMAKE_ANSI_FOR_SCOPE
${TryCompile_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp
${CMAKE_ROOT}/Modules/TestForAnsiForScope.cxx OUTPUT_VARIABLE OUT)
IF (CMAKE_ANSI_FOR_SCOPE)
MESSAGE("Compiler supports ansi for")
ELSE(CMAKE_ANSI_FOR_SCOPE)
MESSAGE("Compiler does not support ansi for scope")
ENDIF(CMAKE_ANSI_FOR_SCOPE)
MESSAGE("use the module now")
INCLUDE(${CMAKE_ROOT}/Modules/TestForANSIForScope.cmake)
IF (CMAKE_ANSI_FOR_SCOPE)
MESSAGE("Compiler supports ansi for")
ELSE(CMAKE_ANSI_FOR_SCOPE)
MESSAGE("Compiler does not support ansi for scope")
ENDIF(CMAKE_ANSI_FOR_SCOPE)
ADD_EXECUTABLE(TryCompile pass.c)
######################################
# now two tests for TRY_RUN
# try to run a file that should compile and run without error
# also check that OUTPUT_VARIABLE contains both the compile output
# and the run output
TRY_RUN(SHOULD_RUN SHOULD_COMPILE
${TryCompile_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp
${TryCompile_SOURCE_DIR}/exit_success.c
OUTPUT_VARIABLE TRY_OUT)
IF(NOT SHOULD_COMPILE)
MESSAGE(SEND_ERROR "exit_success failed compiling: ${TRY_OUT}")
ENDIF(NOT SHOULD_COMPILE)
IF(NOT "${SHOULD_RUN}" STREQUAL "0")
MESSAGE(SEND_ERROR "exit_success failed running with exit code ${SHOULD_RUN}")
ENDIF(NOT "${SHOULD_RUN}" STREQUAL "0")
# check the compile output for the filename
IF(NOT "${TRY_OUT}" MATCHES "exit_success")
MESSAGE(SEND_ERROR " TRY_OUT didn't contain \"exit_success\": \"${TRY_OUT}\"")
ENDIF(NOT "${TRY_OUT}" MATCHES "exit_success")
# check the run output
IF(NOT "${TRY_OUT}" MATCHES "hello world")
MESSAGE(SEND_ERROR " TRY_OUT didn't contain \"hello world\": \"${TRY_OUT}\"")
ENDIF(NOT "${TRY_OUT}" MATCHES "hello world")
# try to run a file that should compile and run, but return an error
TRY_RUN(SHOULD_EXIT_WITH_ERROR SHOULD_COMPILE
${TryCompile_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp
${TryCompile_SOURCE_DIR}/exit_with_error.c
COMPILE_OUTPUT_VARIABLE COMPILE_OUTPUT
RUN_OUTPUT_VARIABLE RUN_OUTPUT)
IF(NOT SHOULD_COMPILE)
MESSAGE(STATUS " exit_with_error failed compiling: ${COMPILE_OUTPUT}")
ENDIF(NOT SHOULD_COMPILE)
IF("${SHOULD_EXIT_WITH_ERROR}" STREQUAL "0")
MESSAGE(SEND_ERROR " exit_with_error passed with exit code ${SHOULD_EXIT_WITH_ERROR}")
ENDIF("${SHOULD_EXIT_WITH_ERROR}" STREQUAL "0")
# check the compile output, it should contain the filename
IF(NOT "${COMPILE_OUTPUT}" MATCHES "exit_with_error")
MESSAGE(SEND_ERROR " COMPILE_OUT didn't contain \"exit_with_error\": \"${COMPILE_OUTPUT}\"")
ENDIF(NOT "${COMPILE_OUTPUT}" MATCHES "exit_with_error")
#... but not the run time output
IF("${COMPILE_OUTPUT}" MATCHES "hello world")
MESSAGE(SEND_ERROR " COMPILE_OUT contains the run output: \"${COMPILE_OUTPUT}\"")
ENDIF("${COMPILE_OUTPUT}" MATCHES "hello world")
# check the run output, it should stdout
IF(NOT "${RUN_OUTPUT}" MATCHES "hello world")
MESSAGE(SEND_ERROR " RUN_OUTPUT didn't contain \"hello world\": \"${RUN_OUTPUT}\"")
ENDIF(NOT "${RUN_OUTPUT}" MATCHES "hello world")
#######################################################################
#
# also test that the CHECK_C_SOURCE_COMPILES, CHECK_CXX_SOURCE_COMPILES
# CHECK_C_SOURCE_RUNS and CHECK_CXX_SOURCE_RUNS macros work
INCLUDE(CheckCSourceCompiles)
INCLUDE(CheckCXXSourceCompiles)
INCLUDE(CheckCSourceRuns)
INCLUDE(CheckCXXSourceRuns)
CHECK_C_SOURCE_COMPILES("I dont build" C_BUILD_SHOULD_FAIL)
CHECK_C_SOURCE_COMPILES("int main() {return 0;}" C_BUILD_SHOULD_WORK)
CHECK_C_SOURCE_RUNS("int main() {return 1;}" C_RUN_SHOULD_FAIL)
CHECK_C_SOURCE_RUNS("int main() {return 0;}" C_RUN_SHOULD_WORK)
TEST_FAIL(C_BUILD_SHOULD_FAIL "CHECK_C_SOURCE_COMPILES() succeeded, but should have failed")
TEST_ASSERT(C_BUILD_SHOULD_WORK "CHECK_C_SOURCE_COMPILES() failed")
TEST_FAIL(C_RUN_SHOULD_FAIL "CHECK_C_SOURCE_RUNS() succeeded, but should have failed")
TEST_ASSERT(C_RUN_SHOULD_WORK "CHECK_C_SOURCE_RUNS() failed")
CHECK_CXX_SOURCE_COMPILES("I dont build" CXX_BUILD_SHOULD_FAIL)
CHECK_CXX_SOURCE_COMPILES("int main() {return 0;}" CXX_BUILD_SHOULD_WORK)
CHECK_CXX_SOURCE_RUNS("int main() {return 2;}" CXX_RUN_SHOULD_FAIL)
CHECK_CXX_SOURCE_RUNS("int main() {return 0;}" CXX_RUN_SHOULD_WORK)
TEST_FAIL(CXX_BUILD_SHOULD_FAIL "CHECK_CXX_SOURCE_COMPILES() succeeded, but should have failed")
TEST_ASSERT(CXX_BUILD_SHOULD_WORK "CHECK_CXX_SOURCE_COMPILES() failed")
TEST_FAIL(CXX_RUN_SHOULD_FAIL "CHECK_CXX_SOURCE_RUNS() succeeded, but should have failed")
TEST_ASSERT(CXX_RUN_SHOULD_WORK "CHECK_CXX_SOURCE_RUNS() failed")
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