Freeciv

# gnulib-common.m4 serial 92

/* Define _GL_HAS_ATTRIBUTE only once, because on FreeBSD, with gcc < 5, if

<config.h> gets included once again after <sys/cdefs.h>, __has_attribute(x)

expands to 0 always, and redefining _GL_HAS_ATTRIBUTE would turn off all

attributes. */

#ifndef _GL_HAS_ATTRIBUTE

# if (defined __has_attribute \

&& (!defined __clang_minor__ \

|| (defined __apple_build_version__ \

? 7000000 <= __apple_build_version__ \

: 5 <= __clang_major__)))

# define _GL_HAS_ATTRIBUTE(attr) __has_attribute (__##attr##__)

# define _GL_HAS_ATTRIBUTE(attr) _GL_ATTR_##attr

# define _GL_ATTR_alloc_size _GL_GNUC_PREREQ (4, 3)

# define _GL_ATTR_always_inline _GL_GNUC_PREREQ (3, 2)

# define _GL_ATTR_artificial _GL_GNUC_PREREQ (4, 3)

# define _GL_ATTR_cold _GL_GNUC_PREREQ (4, 3)

# define _GL_ATTR_const _GL_GNUC_PREREQ (2, 95)

# define _GL_ATTR_deprecated _GL_GNUC_PREREQ (3, 1)

# define _GL_ATTR_diagnose_if 0

# define _GL_ATTR_error _GL_GNUC_PREREQ (4, 3)

# define _GL_ATTR_externally_visible _GL_GNUC_PREREQ (4, 1)

# define _GL_ATTR_fallthrough _GL_GNUC_PREREQ (7, 0)

# define _GL_ATTR_format _GL_GNUC_PREREQ (2, 7)

# define _GL_ATTR_leaf _GL_GNUC_PREREQ (4, 6)

# define _GL_ATTR_malloc _GL_GNUC_PREREQ (3, 0)

# ifdef _ICC

# define _GL_ATTR_may_alias 0

# else

# define _GL_ATTR_may_alias _GL_GNUC_PREREQ (3, 3)

# endif

# define _GL_ATTR_noinline _GL_GNUC_PREREQ (3, 1)

# define _GL_ATTR_nonnull _GL_GNUC_PREREQ (3, 3)

# define _GL_ATTR_nonstring _GL_GNUC_PREREQ (8, 0)

# define _GL_ATTR_nothrow _GL_GNUC_PREREQ (3, 3)

# define _GL_ATTR_packed _GL_GNUC_PREREQ (2, 7)

# define _GL_ATTR_pure _GL_GNUC_PREREQ (2, 96)

# define _GL_ATTR_returns_nonnull _GL_GNUC_PREREQ (4, 9)

# define _GL_ATTR_sentinel _GL_GNUC_PREREQ (4, 0)

# define _GL_ATTR_unused _GL_GNUC_PREREQ (2, 7)

# define _GL_ATTR_warn_unused_result _GL_GNUC_PREREQ (3, 4)