diff options
Diffstat (limited to 'm4')
| -rw-r--r-- | m4/jm-macros.m4 | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/m4/jm-macros.m4 b/m4/jm-macros.m4 index 7716e6411..3c8372c6c 100644 --- a/m4/jm-macros.m4 +++ b/m4/jm-macros.m4 @@ -81,7 +81,6 @@ AC_DEFUN([jm_MACROS], AC_CHECK_FUNCS( \ endgrent \ endpwent \ - fdatasync \ ftruncate \ gethrtime \ hasmntopt \ @@ -111,6 +110,15 @@ AC_DEFUN([jm_MACROS], AC_REQUIRE([GL_FUNC_GETCWD_PATH_MAX]) AC_REQUIRE([GL_FUNC_READDIR]) + # for dd.c and shred.c + fetish_saved_libs=$LIBS + AC_SEARCH_LIBS([fdatasync], [rt posix4], + [test "$ac_cv_search_fdatasync" = "none required" || + LIB_FDATASYNC=$ac_cv_search_fdatasync]) + AC_SUBST([LIB_FDATASYNC]) + AC_CHECK_FUNCS(fdatasync) + LIBS=$fetish_saved_libs + # See if linking `seq' requires -lm. # It does on nearly every system. The single exception (so far) is # BeOS which has all the math functions in the normal runtime library |