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Fix sys/xattr.h check

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I wrote the `configure.ac` wrong, and so we just got no builds
supporting ACLs.

Also, it needs to be more precise because Darwin puts other stuff in
that same header, evidently.
This commit is contained in:
John Ericson 2023-12-08 19:52:08 -05:00
parent 790cf13c26
commit e13fc0bbdb
2 changed files with 3 additions and 2 deletions
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3
configure.ac
View file

@ -289,7 +289,8 @@ esac
AC_SUBST(HAVE_SECCOMP, [$have_seccomp])
# Optional dependencies for better normalizing file system data
AC_CHECK_HEADERS[sys/xattr.h]
AC_CHECK_HEADERS([sys/xattr.h])
AC_CHECK_FUNCS([llistxattr lremovexattr])
# Look for aws-cpp-sdk-s3.
AC_LANG_PUSH(C++)

2
src/libstore/posix-fs-canonicalise.cc
View file

@ -78,7 +78,7 @@ static void canonicalisePathMetaData_(
if (!(S_ISREG(st.st_mode) || S_ISDIR(st.st_mode) || S_ISLNK(st.st_mode)))
throw Error("file '%1%' has an unsupported type", path);
#ifdef HAVE_SYS_XATTR_H
#if HAVE_SYS_XATTR_H && HAVE_LLISTXATTR && HAVE_LREMOVEXATTR
/* Remove extended attributes / ACLs. */
ssize_t eaSize = llistxattr(path.c_str(), nullptr, 0);