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meson: cleanup glibc header checkers

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This commit is contained in:
Yu Watanabe
2025-03-01 01:05:05 +09:00
parent 883360f63a
commit b5337d1d52
1 changed files with 40 additions and 64 deletions
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104
meson.build
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@@ -565,85 +565,61 @@ long_max = cc.compute_int(
assert(long_max > 100000)
conf.set_quoted('LONG_MAX_STR', '@0@'.format(long_max))
decl_headers = '''
#include <dirent.h>
#include <sched.h>
#include <sys/mount.h>
'''
foreach decl : [
'struct mount_attr',
'struct dirent64',
'struct sched_attr',
]
foreach ident : [
['struct dirent64', '''##include <dirent.h>'''], # for musl, but only for compile time check, see dirent-util.h
['struct mount_attr', '''#include <sys/mount.h>'''], # since glibc-2.36
['struct sched_attr', '''#include <sched.h>'''], # since glibc-2.41
]
# We get -1 if the size cannot be determined
have = cc.sizeof(decl, prefix : decl_headers, args : '-D_GNU_SOURCE') > 0
have = cc.sizeof(ident[0], prefix : ident[1], args : '-D_GNU_SOURCE') > 0
if decl == 'struct mount_attr'
if ident[0] == 'struct mount_attr'
if have
want_linux_fs_h = false
else
have = cc.sizeof(decl,
prefix : decl_headers + '#include <linux/fs.h>',
have = cc.sizeof(ident[0],
prefix : ident[1] + '\n#include <linux/fs.h>',
args : '-D_GNU_SOURCE') > 0
want_linux_fs_h = have
endif
endif
conf.set10('HAVE_' + decl.underscorify().to_upper(), have)
conf.set10('HAVE_' + ident[0].underscorify().to_upper(), have)
endforeach
conf.set10('WANT_LINUX_FS_H', want_linux_fs_h)
foreach ident : [
['fchmodat2', '''#include <stdlib.h>
#include <fcntl.h>'''], # no known header declares fchmodat2
['pivot_root', '''#include <stdlib.h>
#include <unistd.h>'''], # no known header declares pivot_root
['ioprio_get', '''#include <sched.h>'''], # no known header declares ioprio_get
['ioprio_set', '''#include <sched.h>'''], # no known header declares ioprio_set
['sched_setattr', '''#include <sched.h>'''],
['kcmp', '''#include <linux/kcmp.h>'''],
['keyctl', '''#include <sys/types.h>
#include <keyutils.h>'''],
['bpf', '''#include <sys/syscall.h>
#include <unistd.h>'''],
['set_mempolicy', '''#include <stdlib.h>
#include <unistd.h>'''],
['get_mempolicy', '''#include <stdlib.h>
#include <unistd.h>'''],
['pidfd_send_signal', '''#include <stdlib.h>
#include <unistd.h>
#include <signal.h>
#include <sys/wait.h>
#include <sys/pidfd.h>'''],
['pidfd_open', '''#include <stdlib.h>
#include <unistd.h>
#include <signal.h>
#include <sys/wait.h>
#include <sys/pidfd.h>'''],
['rt_tgsigqueueinfo', '''#include <stdlib.h>
#include <unistd.h>
#include <signal.h>
#include <sys/wait.h>'''],
['mallinfo', '''#include <malloc.h>'''],
['mallinfo2', '''#include <malloc.h>'''],
['execveat', '''#include <unistd.h>'''],
['close_range', '''#include <unistd.h>'''],
['epoll_pwait2', '''#include <sys/epoll.h>'''],
['mount_setattr', '''#include <sys/mount.h>'''],
['move_mount', '''#include <sys/mount.h>'''],
['open_tree', '''#include <sys/mount.h>'''],
['fsopen', '''#include <sys/mount.h>'''],
['fsconfig', '''#include <sys/mount.h>'''],
['fsmount', '''#include <sys/mount.h>'''],
['getdents64', '''#include <dirent.h>'''],
['pidfd_spawn', '''#include <spawn.h>'''],
['strerrorname_np', '''#include <string.h>'''],
['quotactl_fd', '''#include <sys/quota.h>'''],
['setxattrat', '''#include <sys/xattr.h>'''], # no known header declares setxattrat
['removexattrat', '''#include <sys/xattr.h>'''], # no known header declares removexattrat
['set_mempolicy', '''#include <sys/syscall.h>'''], # declared at numaif.h provided by libnuma, which we do not use
['get_mempolicy', '''#include <sys/syscall.h>'''], # declared at numaif.h provided by libnuma, which we do not use
['getdents64', '''#include <dirent.h>'''], # since glibc-2.30, but check it for musl
['strerrorname_np', '''#include <string.h>'''], # since glibc-2.32
['mallinfo', '''#include <malloc.h>'''], # deprecated since glibc-2.33, but check it for musl
['mallinfo2', '''#include <malloc.h>'''], # since glibc-2.33
['execveat', '''#include <unistd.h>'''], # since glibc-2.34
['close_range', '''#include <unistd.h>'''], # since glibc-2.34
['epoll_pwait2', '''#include <sys/epoll.h>'''], # since glibc-2.35
['fsconfig', '''#include <sys/mount.h>'''], # since glibc-2.36
['fsmount', '''#include <sys/mount.h>'''], # since glibc-2.36
['fsopen', '''#include <sys/mount.h>'''], # since glibc-2.36
['mount_setattr', '''#include <sys/mount.h>'''], # since glibc-2.36
['move_mount', '''#include <sys/mount.h>'''], # since glibc-2.36
['open_tree', '''#include <sys/mount.h>'''], # since glibc-2.36
['pidfd_open', '''#include <sys/pidfd.h>'''], # since glibc-2.36
['pidfd_send_signal', '''#include <sys/pidfd.h>'''], # since glibc-2.36
['pidfd_spawn', '''#include <spawn.h>'''], # since glibc-2.39
['sched_setattr', '''#include <sched.h>'''], # since glibc-2.41
['ioprio_get', '''#include <sched.h>'''], # no known header declares ioprio_get
['ioprio_set', '''#include <sched.h>'''], # no known header declares ioprio_set
['rt_tgsigqueueinfo', '''#include <signal.h>'''], # no known header declares rt_tgsigqueueinfo
['quotactl_fd', '''#include <sys/quota.h>'''], # no known header declares quotactl_fd
['fchmodat2', '''#include <sys/stat.h>'''], # no known header declares fchmodat2
['bpf', '''#include <sys/syscall.h>'''], # no known header declares bpf
['kcmp', '''#include <sys/syscall.h>'''], # no known header declares kcmp
['keyctl', '''#include <sys/syscall.h>'''], # no known header declares keyctl
['pivot_root', '''#include <sys/syscall.h>'''], # no known header declares pivot_root
['setxattrat', '''#include <sys/xattr.h>'''], # no known header declares setxattrat
['removexattrat', '''#include <sys/xattr.h>'''], # no known header declares removexattrat
]
have = cc.has_function(ident[0], prefix : ident[1], args : '-D_GNU_SOURCE')