kc3-lang/gnulib/m4/check-decl.m4
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Hash : a4635752
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Date : 1999-01-10T22:45:03
Use 3-arg form of AC_DEFINE instead of the AC_CHECK_FUNCS hack. Now, it's still a hack, but at least the comments in config.h.in are meaningful.
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m4/check-decl.m4
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#serial 5 dnl This is just a wrapper function to encapsulate this kludge. dnl Putting it in a separate file like this helps share it between dnl different packages. AC_DEFUN(jm_CHECK_DECLS, [ headers=' #include <stdio.h> #ifdef HAVE_STRING_H # if !STDC_HEADERS && HAVE_MEMORY_H # include <memory.h> # endif # include <string.h> #else # ifdef HAVE_STRINGS_H # include <strings.h> # endif #endif #ifdef HAVE_STDLIB_H # include <stdlib.h> #endif #ifdef HAVE_UNISTD_H # include <unistd.h> #endif ' if test x = y; then dnl This code is deliberately never run via ./configure. dnl FIXME: this is a gross hack to make autoheader put entries dnl for each of these symbols in the config.h.in. dnl Otherwise, I'd have to update acconfig.h every time I change dnl this list of functions. AC_DEFINE(HAVE_DECL_FREE, 1, [Define if this function is declared.]) AC_DEFINE(HAVE_DECL_LSEEK, 1, [Define if this function is declared.]) AC_DEFINE(HAVE_DECL_MALLOC, 1, [Define if this function is declared.]) AC_DEFINE(HAVE_DECL_MEMCHR, 1, [Define if this function is declared.]) AC_DEFINE(HAVE_DECL_REALLOC, 1, [Define if this function is declared.]) AC_DEFINE(HAVE_DECL_STPCPY, 1, [Define if this function is declared.]) AC_DEFINE(HAVE_DECL_STRSTR, 1, [Define if this function is declared.]) fi jm_CHECK_DECLARATIONS($headers, free lseek malloc \ memchr realloc stpcpy strstr) ])