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| author | Jim Meyering <jim@meyering.net> | 2001-04-21 14:08:00 +0000 |
|---|---|---|
| committer | Jim Meyering <jim@meyering.net> | 2001-04-21 14:08:00 +0000 |
| commit | 9c52203523be21cb25579a08b392071c30e9f779 (patch) | |
| tree | a2c79331fc2127c05c6cdd568862a7a0ae23c0af /m4 | |
| parent | 7f9d95c41d1b778abfc11953684314923b0fa1d8 (diff) | |
| download | coreutils-9c52203523be21cb25579a08b392071c30e9f779.tar.xz | |
Check for chsize.
Link with ftruncate.o unconditionally if ftruncate is missing.
This was required when cross-compiling to i586-mingw32msvc.
Diffstat (limited to 'm4')
| -rw-r--r-- | m4/ftruncate.m4 | 23 |
1 files changed, 5 insertions, 18 deletions
diff --git a/m4/ftruncate.m4 b/m4/ftruncate.m4 index 1be562ed9..d158e25b8 100644 --- a/m4/ftruncate.m4 +++ b/m4/ftruncate.m4 @@ -1,27 +1,14 @@ -#serial 2 +#serial 3 -# See if we need to emulate a missing ftruncate function using fcntl. +# See if we need to emulate a missing ftruncate function using fcntl or chsize. AC_DEFUN(jm_FUNC_FTRUNCATE, [ AC_CHECK_FUNCS(ftruncate, , [ftruncate_missing=yes]) if test "$ftruncate_missing" = yes; then - AC_CHECK_HEADERS(unistd.h) - AC_MSG_CHECKING([fcntl emulation of ftruncate]) - AC_CACHE_VAL(fu_cv_sys_ftruncate_emulation, - [AC_TRY_LINK([ -#include <sys/types.h> -#include <fcntl.h>], [ -#if !defined(F_CHSIZE) && !defined(F_FREESP) - chsize(); -#endif - ], - fu_cv_sys_ftruncate_emulation=yes, - fu_cv_sys_ftruncate_emulation=no)]) - AC_MSG_RESULT($fu_cv_sys_ftruncate_emulation) - if test $fu_cv_sys_ftruncate_emulation = yes; then - AC_LIBOBJ(ftruncate) - fi + AC_CHECK_HEADERS([unistd.h]) + AC_CHECK_FUNCS([chsize]) + AC_LIBOBJ(ftruncate) fi ]) |