diff options
Diffstat (limited to 'contrib/binutils/gas/aclocal.m4')
-rw-r--r-- | contrib/binutils/gas/aclocal.m4 | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/contrib/binutils/gas/aclocal.m4 b/contrib/binutils/gas/aclocal.m4 new file mode 100644 index 0000000..60f54e9 --- /dev/null +++ b/contrib/binutils/gas/aclocal.m4 @@ -0,0 +1,58 @@ +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) +test $gas_cv_decl_needed_$1 = no || { + ifelse(index($1,[$]),-1, + [AC_DEFINE([NEED_DECLARATION_]translit($1, [a-z], [A-Z]))], + [gas_decl_name_upcase=`echo $1 | tr '[a-z]' '[A-Z]'` + AC_DEFINE_UNQUOTED(NEED_DECLARATION_$gas_decl_name_upcase)]) +} +])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 <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 $gas_cv_assert_ok = yes || AC_DEFINE(BROKEN_ASSERT) +])dnl +dnl +dnl Since many Bourne shell implementations lack subroutines, use this +dnl hack to simplify the code in configure.in. +dnl GAS_UNIQ(listvar) +AC_DEFUN(GAS_UNIQ, +[_gas_uniq_list="[$]$1" +_gas_uniq_newlist="" +dnl Protect against empty input list. +for _gas_uniq_i in _gas_uniq_dummy [$]_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 |