You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
127 lines
3.9 KiB
127 lines
3.9 KiB
cmake_minimum_required (VERSION 2.8.12)
|
|
if(POLICY CMP0129)
|
|
cmake_policy(SET CMP0129 NEW)
|
|
endif()
|
|
project(TryCompile)
|
|
|
|
macro(EXPECT_PASS var out)
|
|
if(NOT ${var})
|
|
message(SEND_ERROR "Should pass failed:\n${out}")
|
|
endif()
|
|
endmacro()
|
|
|
|
macro(EXPECT_FAIL var out)
|
|
if(${var})
|
|
message(SEND_ERROR "Should fail passed:\n${out}")
|
|
endif()
|
|
endmacro()
|
|
|
|
macro(EXPECT_COMPILED name var out)
|
|
if(NOT ${var})
|
|
message(SEND_ERROR "${name} failed compiling:\n${out}")
|
|
endif()
|
|
endmacro()
|
|
|
|
macro(EXPECT_RUN_RESULT name var expected)
|
|
if(NOT ${var} EQUAL ${expected})
|
|
message(SEND_ERROR " ${name} gave unexpected run result: ${${var}} expected: ${expected}")
|
|
endif()
|
|
endmacro()
|
|
|
|
macro(TEST_ASSERT value msg)
|
|
if (NOT ${value})
|
|
message (SEND_ERROR "Assertion failure:" ${msg} )
|
|
endif ()
|
|
endmacro()
|
|
|
|
# run old signature tests
|
|
set(try_compile_bindir_or_SOURCES ${TryCompile_BINARY_DIR})
|
|
set(try_compile_redundant_SOURCES SOURCES)
|
|
set(try_compile_output_vars OUTPUT_VARIABLE TRY_OUT)
|
|
set(try_compile_compile_output_var TRY_OUT)
|
|
set(try_compile_run_output_var TRY_OUT)
|
|
include(old_and_new_signature_tests.cmake)
|
|
|
|
# run new signature tests
|
|
set(try_compile_bindir_or_SOURCES SOURCES)
|
|
set(try_compile_redundant_SOURCES "")
|
|
set(try_compile_output_vars
|
|
COMPILE_OUTPUT_VARIABLE COMPILE_OUT
|
|
RUN_OUTPUT_VARIABLE RUN_OUTPUT)
|
|
set(try_compile_compile_output_var COMPILE_OUT)
|
|
set(try_compile_run_output_var RUN_OUTPUT)
|
|
include(old_and_new_signature_tests.cmake)
|
|
|
|
# try to compile an empty source specified directly
|
|
try_compile(SHOULD_FAIL_DUE_TO_EMPTY_SOURCE
|
|
SOURCE_FROM_CONTENT empty.c "")
|
|
if(SHOULD_FAIL_DUE_TO_EMPTY_SOURCE)
|
|
message(SEND_ERROR "Trying to compile an empty source succeeded?")
|
|
endif()
|
|
|
|
try_compile(SHOULD_FAIL_DUE_TO_EMPTY_SOURCE
|
|
SOURCE_FROM_VAR empty.c NAME_OF_A_VAR_THAT_IS_NOT_SET)
|
|
if(SHOULD_FAIL_DUE_TO_EMPTY_SOURCE)
|
|
message(SEND_ERROR "Trying to compile an empty source succeeded?")
|
|
endif()
|
|
|
|
# try to compile a copied source
|
|
try_compile(SHOULD_PASS
|
|
SOURCE_FROM_FILE pass.c ${TryCompile_SOURCE_DIR}/pass.c
|
|
OUTPUT_VARIABLE TRY_OUT)
|
|
EXPECT_COMPILED("SOURCE_FROM_FILE" SHOULD_PASS "${TRY_OUT}")
|
|
|
|
# try to run a source specified directly
|
|
set(TRY_RUN_MAIN_CODE
|
|
"extern int answer(); \n"
|
|
"int main() { return answer(); }\n")
|
|
set(TRY_RUN_EXT_CODE
|
|
"int answer() { return 42; }\n")
|
|
|
|
try_run(SHOULD_EXIT_WITH_ERROR SHOULD_COMPILE
|
|
SOURCE_FROM_CONTENT main.c "${TRY_RUN_MAIN_CODE}"
|
|
SOURCE_FROM_CONTENT answer.c "${TRY_RUN_EXT_CODE}"
|
|
COMPILE_OUTPUT_VARIABLE COMPILE_OUTPUT)
|
|
EXPECT_COMPILED("SOURCE_FROM_CONTENT" SHOULD_COMPILE "${COMPILE_OUTPUT}")
|
|
EXPECT_RUN_RESULT("SOURCE_FROM_CONTENT" SHOULD_EXIT_WITH_ERROR 42)
|
|
|
|
try_run(SHOULD_EXIT_WITH_ERROR SHOULD_COMPILE
|
|
SOURCE_FROM_VAR main.c TRY_RUN_MAIN_CODE
|
|
SOURCE_FROM_VAR answer.c TRY_RUN_EXT_CODE
|
|
COMPILE_OUTPUT_VARIABLE COMPILE_OUTPUT)
|
|
EXPECT_COMPILED("SOURCE_FROM_VAR" SHOULD_COMPILE "${COMPILE_OUTPUT}")
|
|
EXPECT_RUN_RESULT("SOURCE_FROM_VAR" SHOULD_EXIT_WITH_ERROR 42)
|
|
|
|
# try to compile a project (old signature)
|
|
message("Testing try_compile project mode (old signature)")
|
|
try_compile(TEST_INNER
|
|
${TryCompile_BINARY_DIR}/CMakeFiles/Inner
|
|
${TryCompile_SOURCE_DIR}/Inner
|
|
TryCompileInner innerexe
|
|
OUTPUT_VARIABLE output)
|
|
TEST_ASSERT(TEST_INNER "try_compile project mode failed:\n${output}")
|
|
|
|
# try to compile a project (new signature)
|
|
message("Testing try_compile project mode (new signature)")
|
|
try_compile(TEST_INNER
|
|
PROJECT TryCompileInner
|
|
SOURCE_DIR ${TryCompile_SOURCE_DIR}/Inner
|
|
TARGET innerexe
|
|
OUTPUT_VARIABLE output)
|
|
TEST_ASSERT(TEST_INNER "try_compile project mode failed:\n${output}")
|
|
|
|
add_executable(TryCompile pass.c)
|
|
|
|
#######################################################################
|
|
#
|
|
# also test that the check_prototype_definition macro works
|
|
|
|
include(CheckPrototypeDefinition)
|
|
|
|
check_prototype_definition(remove
|
|
"int remove(const char *pathname)"
|
|
"0"
|
|
"stdio.h"
|
|
TEST_REMOVE_PROTO)
|
|
test_assert(TEST_REMOVE_PROTO "check_prototype_definition for remove() failed")
|