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daemon: Remove ‘defined’ in macro definition.

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Closes #6.

* nix/libstore/build.cc (CHROOT_ENABLED, CLONE_ENABLED): Wrap in #ifdefs.

Change-Id: I217e46fc2cac579a199fcd7c28ef5a8155a12750
Signed-off-by: Ludovic Courtès <ludo@gnu.org>
This commit is contained in:
Congcong Kuo 2025-05-25 22:22:50 +08:00 • committed by Ludovic Courtès
parent c28fea0aca
commit e3bd9a65cc
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1 changed files with 11 additions and 2 deletions
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13
nix/libstore/build.cc
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@ -55,8 +55,17 @@
#endif
#define CHROOT_ENABLED HAVE_CHROOT && HAVE_SYS_MOUNT_H && defined(MS_BIND) && defined(MS_PRIVATE)
#define CLONE_ENABLED defined(CLONE_NEWNS)
#if defined(MS_BIND) && defined(MS_PRIVATE)
#define CHROOT_ENABLED HAVE_CHROOT && HAVE_SYS_MOUNT_H
#else
#define CHROOT_ENABLED 0
#endif
#if defined(CLONE_NEWNS)
#define CLONE_ENABLED 1
#else
#define CLONE_ENABLED 0
#endif
#if defined(SYS_pivot_root)
#define pivot_root(new_root, put_old) (syscall(SYS_pivot_root, new_root,put_old))