diff options
Diffstat (limited to 'gas/configure.in')
| -rw-r--r-- | gas/configure.in | 79 |
1 files changed, 19 insertions, 60 deletions
diff --git a/gas/configure.in b/gas/configure.in index 29094f8..5f7a365 100644 --- a/gas/configure.in +++ b/gas/configure.in @@ -24,7 +24,7 @@ AC_CONFIG_HEADER(conf) dnl For recursion to work right, this must be an absolute pathname. AC_CONFIG_AUX_DIR(`cd $srcdir;pwd`/..) AC_CANONICAL_SYSTEM -AC_PROGRAM_TRANSFORM_NAME +AC_ARG_PROGRAM emulation=generic @@ -276,11 +276,6 @@ esac AC_SUBST(BFDLIB) AC_SUBST(ALL_OBJ_DEPS) -case "x${host}" in - x${target}) ;; - *) AC_DEFINE(CROSS_COMPILE);; -esac - AC_DEFINE_UNQUOTED(TARGET_ALIAS, "${target_alias}") AC_DEFINE_UNQUOTED(TARGET_CANONICAL, "${target}") AC_DEFINE_UNQUOTED(TARGET_CPU, "${target_cpu}") @@ -302,6 +297,17 @@ AC_PROG_INSTALL AC_CHECK_HEADERS(string.h stdlib.h memory.h strings.h unistd.h stdarg.h varargs.h errno.h sys/types.h) +# Put this here so that autoconf's "cross-compiling" message doesn't confuse +# people who are not cross-compiling but are compiling cross-assemblers. +AC_MSG_CHECKING(whether compiling a cross-assembler) +if test "${host}" = "${target}"; then + cross_gas=yes + AC_DEFINE(CROSS_COMPILE) +else + cross_gas=no +fi +AC_MSG_RESULT($cross_gas) + dnl ansidecl.h will deal with const dnl AC_CONST AC_FUNC_ALLOCA @@ -310,49 +316,12 @@ AC_C_INLINE # Some non-ANSI preprocessors botch requoting inside strings. That's bad # enough, but on some of those systems, the assert macro relies on requoting # working properly! -AC_MSG_CHECKING([for working assert macro]) -AC_CACHE_VAL(gas_cv_assert_ok, -AC_TRY_LINK([#include <assert.h> -#include <stdio.h>], [ -/* check for requoting problems */ -static int a, b, c, d; -static char *s; -assert (!strcmp(s, "foo bar baz quux")); -/* check for newline handling */ -assert (a == b - || c == d); -], gas_cv_assert_ok=yes, gas_cv_assert_ok=no))dnl -AC_MSG_RESULT($gas_cv_assert_ok) -test $gas_cv_assert_ok = yes || AC_DEFINE(BROKEN_ASSERT) +GAS_WORKING_ASSERT # On some systems, the system header files may not declare malloc, realloc, # and free. There are places where gas needs these functions to have been # declared -- such as when taking their addresses. -AC_MSG_CHECKING([whether a malloc declaration is required]) -AC_CACHE_VAL(gas_cv_malloc_decl_needed, -AC_TRY_LINK([ -#ifdef HAVE_MEMORY_H -#include <memory.h> -#endif -#ifdef HAVE_STRING_H -#include <string.h> -#endif -#ifdef HAVE_STDLIB_H -#include <stdlib.h> -#endif -#ifdef HAVE_UNISTD_H -#include <unistd.h> -#endif -], [ -char *(*f) (); -f = (char *(*)()) malloc; -], gas_cv_malloc_decl_needed=no, gas_cv_malloc_decl_needed=yes))dnl -AC_MSG_RESULT($gas_cv_malloc_decl_needed) -test $gas_cv_malloc_decl_needed = no || AC_DEFINE(NEED_MALLOC_DECLARATION) - -AC_MSG_CHECKING([whether a free declaration is required]) -AC_CACHE_VAL(gas_cv_free_decl_needed, -AC_TRY_LINK([ +gas_test_headers=" #ifdef HAVE_MEMORY_H #include <memory.h> #endif @@ -365,27 +334,17 @@ AC_TRY_LINK([ #ifdef HAVE_UNISTD_H #include <unistd.h> #endif -], [ -int (*f) (); -f = (int (*)()) free; -], gas_cv_free_decl_needed=no, gas_cv_free_decl_needed=yes)) -AC_MSG_RESULT($gas_cv_free_decl_needed) -test $gas_cv_free_decl_needed = no || AC_DEFINE(NEED_FREE_DECLARATION) +" +GAS_CHECK_DECL_NEEDED(malloc, f, char *(*f)(), $gas_test_headers) +GAS_CHECK_DECL_NEEDED(free, f, int f, $gas_test_headers) # Does errno.h declare errno, or do we have to add a separate declaration # for it? -AC_MSG_CHECKING([whether an errno declaration is required]) -AC_CACHE_VAL(gas_cv_errno_decl_needed, -AC_TRY_LINK([ +GAS_CHECK_DECL_NEEDED(errno, f, int f, [ #ifdef HAVE_ERRNO_H #include <errno.h> #endif -], [ -int x; -x = errno; -], gas_cv_errno_decl_needed=no, gas_cv_errno_decl_needed=yes)) -AC_MSG_RESULT($gas_cv_errno_decl_needed) -test $gas_cv_errno_decl_needed = no || AC_DEFINE(NEED_ERRNO_DECLARATION) +]) AC_CONFIG_SUBDIRS(testsuite) |