diff options
Diffstat (limited to 'config/acx.m4')
| -rw-r--r-- | config/acx.m4 | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/config/acx.m4 b/config/acx.m4 index b96d688bd..09bac1c6c 100644 --- a/config/acx.m4 +++ b/config/acx.m4 @@ -258,3 +258,27 @@ if test $gcc_cv_c__bool = yes; then fi ]) +dnl See if hard links work and if not, try to substitute $1 or simple copy. +AC_DEFUN([ACX_PROG_LN], +[AC_MSG_CHECKING(whether ln works) +AC_CACHE_VAL(acx_cv_prog_LN, +[rm -f conftestdata_t +echo >conftestdata_f +if ln conftestdata_f conftestdata_t 2>/dev/null +then + acx_cv_prog_LN=ln +else + acx_cv_prog_LN=no +fi +rm -f conftestdata_f conftestdata_t +])dnl +if test $acx_cv_prog_LN = no; then + LN="ifelse([$1],,cp,[$1])" + AC_MSG_RESULT([no, using $LN]) +else + LN="$acx_cv_prog_LN" + AC_MSG_RESULT(yes) +fi +AC_SUBST(LN)dnl +]) + |