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Diffstat (limited to 'm4/check-decl.m4')
-rw-r--r-- | m4/check-decl.m4 | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/m4/check-decl.m4 b/m4/check-decl.m4 new file mode 100644 index 0000000..d520352 --- /dev/null +++ b/m4/check-decl.m4 @@ -0,0 +1,49 @@ +#serial 23 +# Check declarations for this package. + +dnl Copyright (C) 1997, 1998, 1999, 2000, 2001, 2003, 2004, 2005, 2006 +dnl Free Software Foundation, Inc. + +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + + +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([gl_CHECK_DECLS], +[ + AC_REQUIRE([AC_HEADER_TIME]) + + AC_CHECK_HEADERS_ONCE(grp.h pwd.h) + headers=' +#include <sys/types.h> + +#include <unistd.h> + +#if HAVE_GRP_H +# include <grp.h> +#endif + +#if HAVE_PWD_H +# include <pwd.h> +#endif +' + AC_CHECK_DECLS([ + getgrgid, + getpwuid, + ttyname], , , $headers) + + AC_CHECK_DECLS([isblank], [], [], [#include <ctype.h>]) + + AC_CHECK_DECLS_ONCE([free]) + AC_CHECK_DECLS_ONCE([getenv]) + AC_CHECK_DECLS_ONCE([geteuid]) + AC_CHECK_DECLS_ONCE([getlogin]) + AC_CHECK_DECLS_ONCE([getuid]) + AC_CHECK_DECLS_ONCE([lseek]) + AC_CHECK_DECLS_ONCE([malloc]) + AC_CHECK_DECLS_ONCE([memchr]) + AC_CHECK_DECLS_ONCE([realloc]) +]) |