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Diffstat (limited to 'm4/ftruncate.m4')
-rw-r--r-- | m4/ftruncate.m4 | 18 |
1 files changed, 11 insertions, 7 deletions
diff --git a/m4/ftruncate.m4 b/m4/ftruncate.m4 index 0397a000c..ec593a96d 100644 --- a/m4/ftruncate.m4 +++ b/m4/ftruncate.m4 @@ -1,14 +1,18 @@ -#serial 4 +#serial 5 # 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_CHECK_FUNCS([chsize]) - AC_LIBOBJ(ftruncate) + AC_REPLACE_FUNCS(ftruncate) + if test $ac_cv_func_ftruncate = no; then + gl_PREREQ_FTRUNCATE fi ]) + +# Prerequisites of lib/ftruncate.c. +AC_DEFUN([gl_PREREQ_FTRUNCATE], +[ + AC_CHECK_HEADERS_ONCE(unistd.h) + AC_CHECK_FUNCS(chsize) +]) |