From a1a0fa131768bcc52d87ee16d0d790d4f51b2237 Mon Sep 17 00:00:00 2001 From: André Draszik Date: Fri, 10 Jan 2020 16:52:53 +0000 Subject: site: set getcwd() behaviour for long paths for glibc / musl MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit In glibc, getcwd() handles long file names properly, on musl, getcwd() only works up to PATH_MAX directory depths. Configuring the autotools (gnulib) test result here allows coreutils to compile more optimised code for both platforms, rather than being pessimistic and re-implementing everything itself. The difference in behaviour is because both do the kernel getcwd syscall (which only supports up to PATH_MAX), but glibc implements fallbacks for longer paths, while musl doesn't. (From OE-Core rev: 525e33cf99983ee4bc3cf1822364123551aa7c83) Signed-off-by: André Draszik Signed-off-by: Richard Purdie --- meta/site/common-glibc | 1 + meta/site/common-musl | 1 + 2 files changed, 2 insertions(+) (limited to 'meta/site') diff --git a/meta/site/common-glibc b/meta/site/common-glibc index e5085f518f..1f6175ba93 100644 --- a/meta/site/common-glibc +++ b/meta/site/common-glibc @@ -30,6 +30,7 @@ ac_cv_func_mmap_fixed_mapped=${ac_cv_func_mmap_fixed_mapped=yes} # coreutils fu_cv_sys_stat_statfs2_bsize=${fu_cv_sys_stat_statfs2_bsize=yes} gl_cv_func_getcwd_null=${gl_cv_func_getcwd_null=yes} +gl_cv_func_getcwd_path_max=${gl_cv_func_getcwd_path_max=yes} gl_cv_func_working_mkstemp=${gl_cv_func_working_mkstemp=yes} # glib diff --git a/meta/site/common-musl b/meta/site/common-musl index 0c9d21e0b7..c8113755aa 100644 --- a/meta/site/common-musl +++ b/meta/site/common-musl @@ -35,6 +35,7 @@ bash_cv_sys_siglist=${bash_cv_sys_siglist=no} # coreutils fu_cv_sys_stat_statfs2_bsize=${fu_cv_sys_stat_statfs2_bsize=yes} gl_cv_func_getcwd_null=${gl_cv_func_getcwd_null=yes} +gl_cv_func_getcwd_path_max=${gl_cv_func_getcwd_path_max='no, but it is partly working'} gl_cv_func_gettimeofday_clobber=${gl_cv_func_gettimeofday_clobber=no} gl_cv_func_tzset_clobber=${gl_cv_func_tzset_clobber=no} gl_cv_func_gettimeofday_posix_signature=${gl_cv_func_gettimeofday_posix_signature=yes} -- cgit v1.2.3-54-g00ecf