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| author | Steve Langasek <steve.langasek@canonical.com> | 2020-08-11 14:54:35 -0700 |
|---|---|---|
| committer | Steve Langasek <steve.langasek@canonical.com> | 2020-08-11 15:00:33 -0700 |
| commit | 239d9c3181694bda5a0531ac579612c46c3b4e6d (patch) | |
| tree | 43c04725cde922627215f4c32665ea832dd456d1 /libpam/include/pam_cc_compat.h | |
| parent | aa2142277bf5fb4a884c6119180e41258817705b (diff) | |
| parent | f6d08ed47a3da3c08345bce2ca366e961c52ad7c (diff) | |
| download | pam-239d9c3181694bda5a0531ac579612c46c3b4e6d.tar.gz pam-239d9c3181694bda5a0531ac579612c46c3b4e6d.tar.bz2 pam-239d9c3181694bda5a0531ac579612c46c3b4e6d.zip | |
Merge upstream version 1.4.0
Diffstat (limited to 'libpam/include/pam_cc_compat.h')
| -rw-r--r-- | libpam/include/pam_cc_compat.h | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/libpam/include/pam_cc_compat.h b/libpam/include/pam_cc_compat.h new file mode 100644 index 00000000..69190368 --- /dev/null +++ b/libpam/include/pam_cc_compat.h @@ -0,0 +1,66 @@ +/* + * Copyright (c) 2020 Dmitry V. Levin <ldv@altlinux.org> + */ + +#ifndef PAM_CC_COMPAT_H +#define PAM_CC_COMPAT_H + +#include "config.h" +#include <security/_pam_types.h> + +#if defined __clang__ && defined __clang_major__ && defined __clang_minor__ +# define PAM_CLANG_PREREQ(maj, min) \ + ((__clang_major__ << 16) + __clang_minor__ >= ((maj) << 16) + (min)) +#else +# define PAM_CLANG_PREREQ(maj, min) 0 +#endif + +#if PAM_GNUC_PREREQ(2, 7) +# define PAM_ATTRIBUTE_ALIGNED(arg) __attribute__((__aligned__(arg))) +#else +# define PAM_ATTRIBUTE_ALIGNED(arg) /* empty */ +#endif + +#if PAM_GNUC_PREREQ(4, 6) +# define DIAG_PUSH_IGNORE_CAST_QUAL \ + _Pragma("GCC diagnostic push"); \ + _Pragma("GCC diagnostic ignored \"-Wcast-qual\"") +# define DIAG_POP_IGNORE_CAST_QUAL \ + _Pragma("GCC diagnostic pop") +# define DIAG_PUSH_IGNORE_CAST_ALIGN \ + _Pragma("GCC diagnostic push"); \ + _Pragma("GCC diagnostic ignored \"-Wcast-align\"") +# define DIAG_POP_IGNORE_CAST_ALIGN \ + _Pragma("GCC diagnostic pop") +#elif PAM_CLANG_PREREQ(2, 6) +# define DIAG_PUSH_IGNORE_CAST_QUAL \ + _Pragma("clang diagnostic push"); \ + _Pragma("clang diagnostic ignored \"-Wcast-qual\"") +# define DIAG_POP_IGNORE_CAST_QUAL \ + _Pragma("clang diagnostic pop") +# define DIAG_PUSH_IGNORE_CAST_ALIGN \ + _Pragma("clang diagnostic push"); \ + _Pragma("clang diagnostic ignored \"-Wcast-align\"") +# define DIAG_POP_IGNORE_CAST_ALIGN \ + _Pragma("clang diagnostic pop") +#else +# define DIAG_PUSH_IGNORE_CAST_QUAL /* empty */ +# define DIAG_POP_IGNORE_CAST_QUAL /* empty */ +# define DIAG_PUSH_IGNORE_CAST_ALIGN /* empty */ +# define DIAG_POP_IGNORE_CAST_ALIGN /* empty */ +#endif + +/* + * Evaluates to + * 1, if the given two types are known to be the same + * 0, otherwise. + */ +#if PAM_GNUC_PREREQ(3, 0) +# define PAM_IS_SAME_TYPE(x_, y_) \ + __builtin_types_compatible_p(__typeof__(x_), __typeof__(y_)) +#else +/* Cannot tell whether these types are the same. */ +# define PAM_IS_SAME_TYPE(x_, y_) 0 +#endif + +#endif /* PAM_CC_COMPAT_H */ |