X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=m4%2Fcheck-decl.m4;h=e482169dfcf76291001bf7f921e69353a4c31ca1;hb=682d4570b676292520ba94dab161c1a50f51540e;hp=58e869e7491578ec368d172447475b9207ecd59f;hpb=a46a42aee90161486ba200f9b027af24b3cd7bcd;p=gnulib.git diff --git a/m4/check-decl.m4 b/m4/check-decl.m4 index 58e869e74..e482169df 100644 --- a/m4/check-decl.m4 +++ b/m4/check-decl.m4 @@ -1,16 +1,45 @@ +#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 +#ifdef HAVE_STRING_H +# if !STDC_HEADERS && HAVE_MEMORY_H +# include +# endif +# include +#else +# ifdef HAVE_STRINGS_H +# include +# endif +#endif +#ifdef HAVE_STDLIB_H +# include +#endif +#ifdef HAVE_UNISTD_H +# include +#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_CHECK_FUNCS(DECL_FREE DECL_MALLOC DECL_MEMCHR DECL_REALLOC \ - DECL_STPCPY DECL_STRSTR) + 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(free malloc memchr realloc stpcpy strstr) + + jm_CHECK_DECLARATIONS($headers, free lseek malloc \ + memchr realloc stpcpy strstr) ])