dnl GAS_CHECK_DECL_NEEDED(name, typedefname, typedef, headers) AC_DEFUN([GAS_CHECK_DECL_NEEDED],[ AC_MSG_CHECKING(whether declaration is required for $1) AC_CACHE_VAL(gas_cv_decl_needed_$1, AC_TRY_LINK([$4], [ typedef $3; $2 x; x = ($2) $1; ], gas_cv_decl_needed_$1=no, gas_cv_decl_needed_$1=yes))dnl AC_MSG_RESULT($gas_cv_decl_needed_$1) if test $gas_cv_decl_needed_$1 = yes; then AC_DEFINE([NEED_DECLARATION_]translit($1, [a-z], [A-Z]), 1, [Define if $1 is not declared in system header files.]) fi ])dnl dnl dnl Some non-ANSI preprocessors botch requoting inside strings. That's bad dnl enough, but on some of those systems, the assert macro relies on requoting dnl working properly! dnl GAS_WORKING_ASSERT AC_DEFUN([GAS_WORKING_ASSERT], [AC_MSG_CHECKING([for working assert macro]) AC_CACHE_VAL(gas_cv_assert_ok, AC_TRY_LINK([#include <assert.h> #include <string.h> #include <stdio.h>], [ /* check for requoting problems */ static int a, b, c, d; static char *s; assert (!strcmp(s, "foo bar baz quux")); /* check for newline handling */ assert (a == b || c == d); ], gas_cv_assert_ok=yes, gas_cv_assert_ok=no))dnl AC_MSG_RESULT($gas_cv_assert_ok) test $gas_cv_assert_ok = yes || AC_DEFINE(BROKEN_ASSERT, 1, [assert broken?]) ])dnl dnl dnl Since many Bourne shell implementations lack subroutines, use this dnl hack to simplify the code in configure.ac. dnl GAS_UNIQ(listvar) AC_DEFUN([GAS_UNIQ], [_gas_uniq_list="[$]$1" _gas_uniq_newlist="" dnl Protect against empty input list. for _gas_uniq_i in _gas_uniq_dummy [$]_gas_uniq_list ; do case [$]_gas_uniq_i in _gas_uniq_dummy) ;; *) case " [$]_gas_uniq_newlist " in *" [$]_gas_uniq_i "*) ;; *) _gas_uniq_newlist="[$]_gas_uniq_newlist [$]_gas_uniq_i" ;; esac ;; esac done $1=[$]_gas_uniq_newlist ])dnl dnl dnl Check for existence of member $2 in type $1 in time.h dnl AC_DEFUN([GAS_HAVE_TIME_TYPE_MEMBER], [AC_MSG_CHECKING([for $1.$2 in time.h]) AC_CACHE_VAL(gas_cv_have_time_type_member_$2, [AC_TRY_COMPILE([ #define _BSD_SOURCE 1 #include <time.h>], [$1 avar; void* aref = (void*) &avar.$2], gas_cv_have_time_type_member_$2=yes, gas_cv_have_time_type_member_$2=no )]) if test $gas_cv_have_time_type_member_$2 = yes; then AC_DEFINE([HAVE_]translit($2, [a-z], [A-Z]), 1, [Define if <time.h> has $1.$2.]) fi AC_MSG_RESULT($gas_cv_have_time_type_member_$2) ])dnl dnl dnl Check for existence of member $2.$3 in type $1 in sys/stat.h dnl AC_DEFUN([GAS_HAVE_SYS_STAT_TYPE_MEMBER], [AC_MSG_CHECKING([for $1.$2.$3 in sys/stat.h]) AC_CACHE_VAL(gas_cv_have_sys_stat_type_member_$2_$3, [AC_TRY_COMPILE([ #define _BSD_SOURCE 1 #include <sys/stat.h>], [$1 avar; void* aref = (void*) &avar.$2.$3], gas_cv_have_sys_stat_type_member_$2_$3=yes, gas_cv_have_sys_stat_type_member_$2_$3=no )]) if test $gas_cv_have_sys_stat_type_member_$2_$3 = yes; then AC_DEFINE([HAVE_]translit($2, [a-z], [A-Z])[_]translit($3, [a-z], [A-Z]), 1, [Define if <sys/stat.h> has $1.$2.$3]) fi AC_MSG_RESULT($gas_cv_have_sys_stat_type_member_$2_$3) ])dnl