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46 lines
1.5 KiB
Plaintext
46 lines
1.5 KiB
Plaintext
#serial 3
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dnl See if there's a working, system-supplied version of the getline function.
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dnl We can't just do AC_REPLACE_FUNCS(getline) because some systems
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dnl have a function by that name in -linet that doesn't have anything
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dnl to do with the function we need.
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AC_DEFUN(AM_FUNC_GETLINE,
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[dnl
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am_getline_needs_run_time_check=no
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AC_CHECK_FUNC(getline,
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dnl Found it in some library. Verify that it works.
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am_getline_needs_run_time_check=yes,
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am_cv_func_working_getline=no)
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if test $am_getline_needs_run_time_check = yes; then
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AC_CHECK_HEADERS(string.h)
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AC_CACHE_CHECK([for working getline function], am_cv_func_working_getline,
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[echo fooN |tr -d '\012'|tr N '\012' > conftest.data
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AC_TRY_RUN([
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# include <stdio.h>
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# include <sys/types.h>
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# if HAVE_STRING_H
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# include <string.h>
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# endif
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int main ()
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{ /* Based on a test program from Karl Heuer. */
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char *line = NULL;
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size_t siz = 0;
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int len;
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FILE *in = fopen ("./conftest.data", "r");
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if (!in)
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return 1;
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len = getline (&line, &siz, in);
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exit ((len == 4 && line && strcmp (line, "foo\n") == 0) ? 0 : 1);
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}
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], am_cv_func_working_getline=yes dnl The library version works.
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, am_cv_func_working_getline=no dnl The library version does NOT work.
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, am_cv_func_working_getline=no dnl We're cross compiling.
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)])
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fi
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if test $am_cv_func_working_getline = no; then
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LIBOBJS="$LIBOBJS getline.$ac_objext"
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AC_SUBST(LIBOBJS)dnl
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fi
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])
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