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CMake/Tests/Module/WriteCompilerDetectionHeader/main.c

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Features: Fix C90 feature detection. This bug caused c_function_prototypes to not be recorded at configure time when compiling with -std=gnu99 or similar. In the case of feature recording, that was not a problem, because the logic in CMakeDetermineCompileFeatures.cmake currently assumes that a feature present for an earlier standard is present for a later standard. However, the detection strings are also used in WriteCompilerDetectionHeader, so the feature macro has been defined to '0' when using a later language dialect. Fix that by not checking the existence of the __STDC_VERSION__ macro at all when detecting C90 features.
2015-02-03 23:47:45 +03:00
#include "test_compiler_detection.h"
Revise C++ coding style using clang-format Run the `Utilities/Scripts/clang-format.bash` script to update all our C++ code to a new style defined by `.clang-format`. Use `clang-format` version 3.8. * If you reached this commit for a line in `git blame`, re-run the blame operation starting at the parent of this commit to see older history for the content. * See the parent commit for instructions to rebase a change across this style transition commit.
2016-05-16 17:34:04 +03:00
#if !defined(TEST_COMPILER_C_FUNCTION_PROTOTYPES) || \
!TEST_COMPILER_C_FUNCTION_PROTOTYPES
#error Expected TEST_COMPILER_C_FUNCTION_PROTOTYPES
Features: Fix C90 feature detection. This bug caused c_function_prototypes to not be recorded at configure time when compiling with -std=gnu99 or similar. In the case of feature recording, that was not a problem, because the logic in CMakeDetermineCompileFeatures.cmake currently assumes that a feature present for an earlier standard is present for a later standard. However, the detection strings are also used in WriteCompilerDetectionHeader, so the feature macro has been defined to '0' when using a later language dialect. Fix that by not checking the existence of the __STDC_VERSION__ macro at all when detecting C90 features.
2015-02-03 23:47:45 +03:00
#endif
#if !EXPECTED_COMPILER_C_FUNCTION_PROTOTYPES
Revise C++ coding style using clang-format Run the `Utilities/Scripts/clang-format.bash` script to update all our C++ code to a new style defined by `.clang-format`. Use `clang-format` version 3.8. * If you reached this commit for a line in `git blame`, re-run the blame operation starting at the parent of this commit to see older history for the content. * See the parent commit for instructions to rebase a change across this style transition commit.
2016-05-16 17:34:04 +03:00
#error Expected EXPECTED_COMPILER_C_FUNCTION_PROTOTYPES
Features: Fix C90 feature detection. This bug caused c_function_prototypes to not be recorded at configure time when compiling with -std=gnu99 or similar. In the case of feature recording, that was not a problem, because the logic in CMakeDetermineCompileFeatures.cmake currently assumes that a feature present for an earlier standard is present for a later standard. However, the detection strings are also used in WriteCompilerDetectionHeader, so the feature macro has been defined to '0' when using a later language dialect. Fix that by not checking the existence of the __STDC_VERSION__ macro at all when detecting C90 features.
2015-02-03 23:47:45 +03:00
#endif
#if !defined(TEST_COMPILER_C_RESTRICT) || !TEST_COMPILER_C_RESTRICT
Revise C++ coding style using clang-format Run the `Utilities/Scripts/clang-format.bash` script to update all our C++ code to a new style defined by `.clang-format`. Use `clang-format` version 3.8. * If you reached this commit for a line in `git blame`, re-run the blame operation starting at the parent of this commit to see older history for the content. * See the parent commit for instructions to rebase a change across this style transition commit.
2016-05-16 17:34:04 +03:00
#if EXPECTED_COMPILER_C_RESTRICT
#error Expected TEST_COMPILER_C_RESTRICT
#endif
Features: Fix C90 feature detection. This bug caused c_function_prototypes to not be recorded at configure time when compiling with -std=gnu99 or similar. In the case of feature recording, that was not a problem, because the logic in CMakeDetermineCompileFeatures.cmake currently assumes that a feature present for an earlier standard is present for a later standard. However, the detection strings are also used in WriteCompilerDetectionHeader, so the feature macro has been defined to '0' when using a later language dialect. Fix that by not checking the existence of the __STDC_VERSION__ macro at all when detecting C90 features.
2015-02-03 23:47:45 +03:00
#else
Revise C++ coding style using clang-format Run the `Utilities/Scripts/clang-format.bash` script to update all our C++ code to a new style defined by `.clang-format`. Use `clang-format` version 3.8. * If you reached this commit for a line in `git blame`, re-run the blame operation starting at the parent of this commit to see older history for the content. * See the parent commit for instructions to rebase a change across this style transition commit.
2016-05-16 17:34:04 +03:00
#if !EXPECTED_COMPILER_C_RESTRICT
#error Expect no TEST_COMPILER_C_RESTRICT
#endif
Features: Fix C90 feature detection. This bug caused c_function_prototypes to not be recorded at configure time when compiling with -std=gnu99 or similar. In the case of feature recording, that was not a problem, because the logic in CMakeDetermineCompileFeatures.cmake currently assumes that a feature present for an earlier standard is present for a later standard. However, the detection strings are also used in WriteCompilerDetectionHeader, so the feature macro has been defined to '0' when using a later language dialect. Fix that by not checking the existence of the __STDC_VERSION__ macro at all when detecting C90 features.
2015-02-03 23:47:45 +03:00
#endif
#ifdef TEST_COMPILER_CXX_STATIC_ASSERT
#error Expect no CXX features defined
#endif
int main()
{
return 0;
}