3 dnl See if there's a working, system-supplied version of the getline function.
4 dnl We can't just do AC_REPLACE_FUNCS(getline) because some systems
5 dnl have a function by that name in -linet that doesn't have anything
6 dnl to do with the function we need.
7 AC_DEFUN(AM_FUNC_GETLINE,
9 am_getline_needs_run_time_check=no
10 am_cv_func_working_getline=yes
11 AC_CHECK_FUNC(getline,
12 dnl Found it in some library. Verify that it works.
13 am_getline_needs_run_time_check=yes,
14 am_cv_func_working_getline=no)
15 if test $am_getline_needs_run_time_check = yes; then
16 AC_CHECK_HEADERS(string.h)
17 AC_CACHE_CHECK([for working getline function], am_cv_func_working_getline,
18 [echo fooN |tr -d '\012'|tr N '\012' > conftestdata
21 # include <sys/types.h>
26 { /* Based on a test program from Karl Heuer. */
30 FILE *in = fopen ("./conftestdata", "r");
33 len = getline (&line, &siz, in);
34 exit ((len == 4 && line && strcmp (line, "foo\n") == 0) ? 0 : 1);
36 ], am_cv_func_working_getline=yes dnl The library version works.
37 , am_cv_func_working_getline=no dnl The library version does NOT work.
38 , am_cv_func_working_getline=no dnl We're cross compiling.
42 if test $am_cv_func_working_getline = no; then
43 LIBOBJS="$LIBOBJS getline.o"