1 dnl GAS_CHECK_DECL_NEEDED(name, typedefname, typedef, headers)
2 AC_DEFUN(GAS_CHECK_DECL_NEEDED,[
3 AC_MSG_CHECKING(whether declaration is required for $1)
4 AC_CACHE_VAL(gas_cv_decl_needed_$1,
10 ], gas_cv_decl_needed_$1=no, gas_cv_decl_needed_$1=yes))dnl
11 AC_MSG_RESULT($gas_cv_decl_needed_$1)
12 test $gas_cv_decl_needed_$1 = no || {
13 ifelse(index($1,[$]),-1,
14 [AC_DEFINE([NEED_DECLARATION_]translit($1, [a-z], [A-Z]))],
15 [gas_decl_name_upcase=`echo $1 | tr '[a-z]' '[A-Z]'`
16 AC_DEFINE_UNQUOTED(NEED_DECLARATION_$gas_decl_name_upcase)])
20 dnl Some non-ANSI preprocessors botch requoting inside strings. That's bad
21 dnl enough, but on some of those systems, the assert macro relies on requoting
23 dnl GAS_WORKING_ASSERT
24 AC_DEFUN(GAS_WORKING_ASSERT,
25 [AC_MSG_CHECKING([for working assert macro])
26 AC_CACHE_VAL(gas_cv_assert_ok,
27 AC_TRY_LINK([#include <assert.h>
28 #include <stdio.h>], [
29 /* check for requoting problems */
30 static int a, b, c, d;
32 assert (!strcmp(s, "foo bar baz quux"));
33 /* check for newline handling */
36 ], gas_cv_assert_ok=yes, gas_cv_assert_ok=no))dnl
37 AC_MSG_RESULT($gas_cv_assert_ok)
38 test $gas_cv_assert_ok = yes || AC_DEFINE(BROKEN_ASSERT)
41 dnl Since many Bourne shell implementations lack subroutines, use this
42 dnl hack to simplify the code in configure.in.
45 [_gas_uniq_list="[$]$1"
47 dnl Protect against empty input list.
48 for _gas_uniq_i in _gas_uniq_dummy [$]_gas_uniq_list ; do
49 case [$]_gas_uniq_i in
51 *) case " [$]_gas_uniq_newlist " in
52 *" [$]_gas_uniq_i "*) ;;
53 *) _gas_uniq_newlist="[$]_gas_uniq_newlist [$]_gas_uniq_i" ;;
57 $1=[$]_gas_uniq_newlist
60 # Check to see if we're running under Cygwin32, without using
61 # AC_CANONICAL_*. If so, set output variable CYGWIN32 to "yes".
62 # Otherwise set it to "no".
65 [AC_CACHE_CHECK(for Cygwin32 environment, am_cv_cygwin32,
66 [AC_TRY_COMPILE(,[int main () { return __CYGWIN32__; }],
67 am_cv_cygwin32=yes, am_cv_cygwin32=no)
70 test "$am_cv_cygwin32" = yes && CYGWIN32=yes])
71 # Check to see if we're running under Win32, without using
72 # AC_CANONICAL_*. If so, set output variable EXEEXT to ".exe".
73 # Otherwise set it to "".
75 dnl This knows we add .exe if we're building in the Cygwin32
76 dnl environment. But if we're not, then it compiles a test program
77 dnl to see if there is a suffix for executables.
79 dnl AC_REQUIRE([AC_PROG_CC])AC_REQUIRE([CY_CYGWIN32])
80 AC_MSG_CHECKING([for executable suffix])
81 [AC_CACHE_VAL(am_cv_exeext,
82 [if test "$CYGWIN32" = yes; then
85 cat > am_c_test.c << 'EOF'
87 /* Nothing needed here */
90 ${CC-cc} -o am_c_test $CFLAGS $CPPFLAGS $LDFLAGS am_c_test.c $LIBS 1>&5
91 am_cv_exeext=`ls am_c_test.* | grep -v am_c_test.c | sed -e s/am_c_test//`
93 test x"${am_cv_exeext}" = x && am_cv_exeext=no
96 test x"${am_cv_exeext}" != xno && EXEEXT=${am_cv_exeext}
97 AC_MSG_RESULT(${am_cv_exeext})