Eradicate AC_TRY_COMPILE.

* aclang.m4 (AC_PROG_CC_STDC, AC_C_BIGENDIAN, AC_C_INLINE,
AC_C_CONST, AC_C_VOLATILE, AC_F77_NAME_MANGLING): Use
`AC_COMPILE_IFELSE'.
* acspecific.m4 (AC_DECL_SYS_SIGLIST, _AC_CHECK_HEADER_DIRENT,
AC_HEADER_SYS_WAIT, AC_HEADER_TIME, AC_TYPE_SIGNAL,
AC_FUNC_GETLOADAVG, AC_FUNC_SELECT_ARGTYPES, AC_STRUCT_TM,
AC_CYGWIN, AC_MINGW32, AC_EMXOS2): Likewise.
* tests/semantics.m4 (C keywords): Check that AC_C_CONST,
AC_C_VOLATILE, and AC_C_INLINE function properly with GCC.

diff --git a/ChangeLog b/ChangeLog
index af7162713a75499e964e64bc9add21d7f53d1803..06b4376e2304652bd05f2d2d68dc607cf2b13000 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,17 @@
+2000-05-11  Akim Demaille  <akim@epita.fr>
+
+       Eradicate AC_TRY_COMPILE.
+
+       * aclang.m4 (AC_PROG_CC_STDC, AC_C_BIGENDIAN, AC_C_INLINE,
+       AC_C_CONST, AC_C_VOLATILE, AC_F77_NAME_MANGLING): Use
+       `AC_COMPILE_IFELSE'.
+       * acspecific.m4 (AC_DECL_SYS_SIGLIST, _AC_CHECK_HEADER_DIRENT,
+       AC_HEADER_SYS_WAIT, AC_HEADER_TIME, AC_TYPE_SIGNAL,
+       AC_FUNC_GETLOADAVG, AC_FUNC_SELECT_ARGTYPES, AC_STRUCT_TM,
+       AC_CYGWIN, AC_MINGW32, AC_EMXOS2): Likewise.
+       * tests/semantics.m4 (C keywords): Check that AC_C_CONST,
+       AC_C_VOLATILE, and AC_C_INLINE function properly with GCC.
+
 2000-05-11  Akim Demaille  <akim@epita.fr>
 
        Replace AC_LANG_SAVE/AC_LANG_RESTORE with AC_LANG_PUSH/AC_LANG_POP.

diff --git a/acgeneral.m4 b/acgeneral.m4
index 545dabb36bc949fce40024ed08a7addb28572b9f..6ddaccad065bbdf1e039324ff163d60d0db51e91 100644 (file)
--- a/acgeneral.m4
+++ b/acgeneral.m4
@@ -2865,9 +2865,8 @@ rm -f conftest*[]dnl
 
 
 # AC_TRY_COMPILE(INCLUDES, FUNCTION-BODY,
-#              [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
+#                [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
 # --------------------------------------------------------
-# FIXME: Should INCLUDES be defaulted here?
 AC_DEFUN([AC_TRY_COMPILE],
 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[$1]], [[$2]])], [$3], [$4])])
 

diff --git a/aclang.m4 b/aclang.m4
index 6250fd69c863a986da31e4b1ebbe5d49b89cefa6..80836a7ba7c5672d58a8899e9f92e88c7417a377 100644 (file)
--- a/aclang.m4
+++ b/aclang.m4
@@ -859,8 +859,9 @@ ac_save_CC=$CC
 for ac_arg in "" -qlanglvl=ansi -std1 -Ae "-Aa -D_HPUX_SOURCE" "-Xc -D__EXTENSIONS__"
 do
   CC="$ac_save_CC $ac_arg"
-  AC_TRY_COMPILE(
-[#include <stdarg.h>
+  AC_COMPILE_IFELSE(
+[AC_LANG_PROGRAM(
+[[#include <stdarg.h>
 #include <stdio.h>
 #include <sys/types.h>
 #include <sys/stat.h>
@@ -887,9 +888,9 @@ struct s1 {int (*f) (int a);};
 struct s2 {int (*f) (double a);};
 int pairnames (int, char **, FILE *(*)(struct buf *, struct stat *, int), int, int);
 int argc;
-char **argv;],
-[return f (e, argv, 0) != argv[0]  ||  f (e, argv, 1) != argv[1];],
-[ac_cv_prog_cc_stdc=$ac_arg; break])
+char **argv;]],
+[[return f (e, argv, 0) != argv[0]  ||  f (e, argv, 1) != argv[1];]])],
+                     [ac_cv_prog_cc_stdc=$ac_arg; break])
 done
 CC=$ac_save_CC
 ])
@@ -986,20 +987,21 @@ AC_DEFUN(AC_C_BIGENDIAN,
 [AC_CACHE_CHECK(whether byte ordering is bigendian, ac_cv_c_bigendian,
 [ac_cv_c_bigendian=unknown
 # See if sys/param.h defines the BYTE_ORDER macro.
-AC_TRY_COMPILE([#include <sys/types.h>
+AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <sys/types.h>
 #include <sys/param.h>
 ],
 [#if !BYTE_ORDER || !BIG_ENDIAN || !LITTLE_ENDIAN
  bogus endian macros
 #endif
-],
+])],
 [# It does; now see whether it defined to BIG_ENDIAN or not.
-AC_TRY_COMPILE([#include <sys/types.h>
+AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <sys/types.h>
 #include <sys/param.h>
 ], [#if BYTE_ORDER != BIG_ENDIAN
  not big endian
 #endif
-], ac_cv_c_bigendian=yes, ac_cv_c_bigendian=no)])
+])],               [ac_cv_c_bigendian=yes],
+                   [ac_cv_c_bigendian=no])])
 if test $ac_cv_c_bigendian = unknown; then
 AC_TRY_RUN(
 [int
@@ -1033,12 +1035,12 @@ AC_DEFUN(AC_C_INLINE,
 AC_CACHE_CHECK([for inline], ac_cv_c_inline,
 [ac_cv_c_inline=no
 for ac_kw in inline __inline__ __inline; do
-  AC_TRY_COMPILE(,
+  AC_COMPILE_IFELSE([AC_LANG_SOURCE(
 [#ifndef __cplusplus
-  } $ac_kw int foo() {
+$ac_kw int foo () {return 0; }
 #endif
-],
-[ac_cv_c_inline=$ac_kw; break])
+])],
+                    [ac_cv_c_inline=$ac_kw; break])
 done
 ])
 case "$ac_cv_c_inline" in
@@ -1056,8 +1058,8 @@ esac
 AC_DEFUN(AC_C_CONST,
 [AC_REQUIRE([AC_PROG_CC_STDC])dnl
 AC_CACHE_CHECK([for an ANSI C-conforming const], ac_cv_c_const,
-[AC_TRY_COMPILE(,
-[/* FIXME: Include the comments suggested by Paul. */
+[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([],
+[[/* FIXME: Include the comments suggested by Paul. */
 #ifndef __cplusplus
   /* Ultrix mips cc rejects this.  */
   typedef int charset[2];
@@ -1103,8 +1105,9 @@ AC_CACHE_CHECK([for an ANSI C-conforming const], ac_cv_c_const,
     const int foo = 10;
   }
 #endif
-],
-                ac_cv_c_const=yes, ac_cv_c_const=no)])
+]])],
+                   [ac_cv_c_const=yes],
+                   [ac_cv_c_const=no])])
 if test $ac_cv_c_const = no; then
   AC_DEFINE(const,,
             [Define to empty if `const' does not conform to ANSI C.])
@@ -1123,10 +1126,11 @@ fi
 AC_DEFUN(AC_C_VOLATILE,
 [AC_REQUIRE([AC_PROG_CC_STDC])dnl
 AC_CACHE_CHECK([for working volatile], ac_cv_c_volatile,
-[AC_TRY_COMPILE(,[
+[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [
 volatile int x;
-int * volatile y;],
-ac_cv_c_volatile=yes, ac_cv_c_volatile=no)])
+int * volatile y;])],
+                   [ac_cv_c_volatile=yes],
+                   [ac_cv_c_volatile=no])])
 if test $ac_cv_c_volatile = no; then
   AC_DEFINE(volatile,,
             [Define to empty if the keyword `volatile' does not work.

diff --git a/acspecific.m4 b/acspecific.m4
index f14028da8d01b6479bfffa704cf29907c33e5993..3de2c5d26efdd7c17b38c829bc284a56e43fb789 100644 (file)
--- a/acspecific.m4
+++ b/acspecific.m4
@@ -319,14 +319,16 @@ AC_DEFUNCT(AC_RSH, [; replace it with equivalent code])
 AC_DEFUN(AC_DECL_SYS_SIGLIST,
 [AC_CACHE_CHECK([for sys_siglist declaration in signal.h or unistd.h],
   ac_cv_decl_sys_siglist,
-[AC_TRY_COMPILE([#include <sys/types.h>
+[AC_COMPILE_IFELSE(
+[AC_LANG_PROGRAM([#include <sys/types.h>
 #include <signal.h>
 /* NetBSD declares sys_siglist in unistd.h.  */
 #if HAVE_UNISTD_H
 # include <unistd.h>
 #endif
-], [char *msg = *(sys_siglist + 1);],
-  ac_cv_decl_sys_siglist=yes, ac_cv_decl_sys_siglist=no)])
+], [char *msg = *(sys_siglist + 1);])],
+                   [ac_cv_decl_sys_siglist=yes],
+                   [ac_cv_decl_sys_siglist=no])])
 if test $ac_cv_decl_sys_siglist = yes; then
   AC_DEFINE(SYS_SIGLIST_DECLARED, 1,
             [Define if `sys_siglist' is declared by <signal.h> or <unistd.h>.])
@@ -349,11 +351,12 @@ fi
 define([_AC_CHECK_HEADER_DIRENT],
 [AC_VAR_PUSHDEF([ac_Header], [ac_cv_header_dirent_$1])dnl
 AC_CACHE_CHECK([for $1 that defines DIR], ac_Header,
-[AC_TRY_COMPILE([#include <sys/types.h>
+[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <sys/types.h>
 #include <$1>
 ],
-                [DIR *dirp = 0;],
-AC_VAR_SET(ac_Header, yes), AC_VAR_SET(ac_Header, no))])
+                                    [DIR *dirp = 0;])],
+                   [AC_VAR_SET(ac_Header, yes)],
+                   [AC_VAR_SET(ac_Header, no)])])
 AC_SHELL_IFELSE([test AC_VAR_GET(ac_Header) = yes],
                 [$2], [$3])dnl
 AC_VAR_POPDEF([ac_Header])dnl
@@ -513,19 +516,21 @@ fi
 AC_DEFUN(AC_HEADER_SYS_WAIT,
 [AC_CACHE_CHECK([for sys/wait.h that is POSIX.1 compatible],
   ac_cv_header_sys_wait_h,
-[AC_TRY_COMPILE(
-[#include <sys/types.h>
+[AC_COMPILE_IFELSE(
+[AC_LANG_PROGRAM([#include <sys/types.h>
 #include <sys/wait.h>
 #ifndef WEXITSTATUS
 # define WEXITSTATUS(stat_val) ((unsigned)(stat_val) >> 8)
 #endif
 #ifndef WIFEXITED
 # define WIFEXITED(stat_val) (((stat_val) & 255) == 0)
-#endif],
+#endif
+],
 [  int s;
   wait (&s);
-  s = WIFEXITED (s) ? WEXITSTATUS (s) : 1;],
-ac_cv_header_sys_wait_h=yes, ac_cv_header_sys_wait_h=no)])
+  s = WIFEXITED (s) ? WEXITSTATUS (s) : 1;])],
+                 [ac_cv_header_sys_wait_h=yes],
+                 [ac_cv_header_sys_wait_h=no])])
 if test $ac_cv_header_sys_wait_h = yes; then
   AC_DEFINE(HAVE_SYS_WAIT_H, 1,
             [Define if you have <sys/wait.h> that is POSIX.1 compatible.])
@@ -538,11 +543,13 @@ fi
 AC_DEFUN(AC_HEADER_TIME,
 [AC_CACHE_CHECK([whether time.h and sys/time.h may both be included],
   ac_cv_header_time,
-[AC_TRY_COMPILE([#include <sys/types.h>
+[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <sys/types.h>
 #include <sys/time.h>
 #include <time.h>
 ],
-[struct tm *tp;], ac_cv_header_time=yes, ac_cv_header_time=no)])
+[struct tm *tp;])],
+                   [ac_cv_header_time=yes],
+                   [ac_cv_header_time=no])])
 if test $ac_cv_header_time = yes; then
   AC_DEFINE(TIME_WITH_SYS_TIME, 1,
             [Define if you can safely include both <sys/time.h> and <time.h>.])
@@ -659,7 +666,8 @@ AC_DEFUNCT(AC_LONG_64_BITS, [; instead use AC_CHECK_SIZEOF(long)])
 # Note that identifiers starting with SIG are reserved by ANSI C.
 AC_DEFUN(AC_TYPE_SIGNAL,
 [AC_CACHE_CHECK([return type of signal handlers], ac_cv_type_signal,
-[AC_TRY_COMPILE([#include <sys/types.h>
+[AC_COMPILE_IFELSE(
+[AC_LANG_PROGRAM([#include <sys/types.h>
 #include <signal.h>
 #ifdef signal
 # undef signal
@@ -670,7 +678,9 @@ extern "C" void (*signal (int, void (*)(int)))(int);
 void (*signal ()) ();
 #endif
 ],
-[int i;], ac_cv_type_signal=void, ac_cv_type_signal=int)])
+                 [int i;])],
+                   [ac_cv_type_signal=void],
+                   [ac_cv_type_signal=int])])
 AC_DEFINE_UNQUOTED(RETSIGTYPE, $ac_cv_type_signal,
                    [Define as the return type of signal handlers
                     (`int' or `void').])
@@ -916,10 +926,11 @@ else
   AC_CHECK_HEADER(nlist.h,
   [AC_DEFINE(NLIST_STRUCT, 1, [Define if you have <nlist.h>.])
   AC_CACHE_CHECK([for n_un in struct nlist], ac_cv_struct_nlist_n_un,
-  [AC_TRY_COMPILE([#include <nlist.h>
+  [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <nlist.h>
 ],
-                  [struct nlist n; n.n_un.n_name = 0;],
-                  ac_cv_struct_nlist_n_un=yes, ac_cv_struct_nlist_n_un=no)])
+                                      [struct nlist n; n.n_un.n_name = 0;])],
+                     [ac_cv_struct_nlist_n_un=yes],
+                     [ac_cv_struct_nlist_n_un=no])])
   if test $ac_cv_struct_nlist_n_un = yes; then
     AC_DEFINE(NLIST_NAME_UNION, 1,
               [Define if your `struct nlist' has an `n_un' member.])
@@ -1375,7 +1386,7 @@ AC_DEFUN(AC_FUNC_SELECT_ARGTYPES,
 [for ac_arg234 in 'fd_set *' 'int *' 'void *'; do
  for ac_arg1 in 'int' 'size_t' 'unsigned long' 'unsigned'; do
   for ac_arg5 in 'struct timeval *' 'const struct timeval *'; do
-   AC_TRY_COMPILE(
+   AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
 [#include <sys/types.h>
 #if HAVE_SYS_TIME_H
 # include <sys/time.h>
@@ -1386,8 +1397,8 @@ AC_DEFUN(AC_FUNC_SELECT_ARGTYPES,
 #if HAVE_SYS_SOCKET_H
 # include <sys/socket.h>
 #endif
-extern int select ($ac_arg1,$ac_arg234,$ac_arg234,$ac_arg234,$ac_arg5);],,
-    [ac_cv_func_select_args="$ac_arg1,$ac_arg234,$ac_arg5"; break 3])
+extern int select ($ac_arg1,$ac_arg234,$ac_arg234,$ac_arg234,$ac_arg5);])],
+              [ac_cv_func_select_args="$ac_arg1,$ac_arg234,$ac_arg5"; break 3])
   done
  done
 done
@@ -1717,11 +1728,12 @@ fi
 AC_DEFUN(AC_STRUCT_TM,
 [AC_CACHE_CHECK([whether struct tm is in sys/time.h or time.h],
   ac_cv_struct_tm,
-[AC_TRY_COMPILE([#include <sys/types.h>
+[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <sys/types.h>
 #include <time.h>
 ],
-[struct tm *tp; tp->tm_sec;],
-  ac_cv_struct_tm=time.h, ac_cv_struct_tm=sys/time.h)])
+                                    [struct tm *tp; tp->tm_sec;])],
+                   [ac_cv_struct_tm=time.h],
+                   [ac_cv_struct_tm=sys/time.h])])
 if test $ac_cv_struct_tm = sys/time.h; then
   AC_DEFINE(TM_IN_SYS_TIME, 1,
             [Define if your <sys/time.h> declares `struct tm'.])
@@ -2345,12 +2357,13 @@ AU_DEFUN(AC_CYGWIN32,
 # EXEEXT.
 AC_DEFUN(AC_CYGWIN,
 [AC_CACHE_CHECK(for Cygwin environment, ac_cv_cygwin,
-[AC_TRY_COMPILE(,
+[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([],
 [#ifndef __CYGWIN__
 # define __CYGWIN__ __CYGWIN32__
 #endif
-return __CYGWIN__;],
-ac_cv_cygwin=yes, ac_cv_cygwin=no)])
+return __CYGWIN__;])],
+                   [ac_cv_cygwin=yes],
+                   [ac_cv_cygwin=no])])
 CYGWIN=
 test "$ac_cv_cygwin" = yes && CYGWIN=yes])
 
@@ -2361,8 +2374,9 @@ test "$ac_cv_cygwin" = yes && CYGWIN=yes])
 # EXEEXT.
 AC_DEFUN(AC_MINGW32,
 [AC_CACHE_CHECK(for mingw32 environment, ac_cv_mingw32,
-[AC_TRY_COMPILE(,[return __MINGW32__;],
-ac_cv_mingw32=yes, ac_cv_mingw32=no)])
+[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [return __MINGW32__;])],
+                   [ac_cv_mingw32=yes],
+                   [ac_cv_mingw32=no])])
 MINGW32=
 test "$ac_cv_mingw32" = yes && MINGW32=yes])
 
@@ -2373,8 +2387,9 @@ test "$ac_cv_mingw32" = yes && MINGW32=yes])
 # for EXEEXT.
 AC_DEFUN(AC_EMXOS2,
 [AC_CACHE_CHECK(for EMX OS/2 environment, ac_cv_emxos2,
-[AC_TRY_COMPILE(,[return __EMX__;],
-ac_cv_emxos2=yes, ac_cv_emxos2=no)])
+[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [return __EMX__;])],
+                   [ac_cv_emxos2=yes],
+                   [ac_cv_emxos2=no])])
 EMXOS2=
 test "$ac_cv_emxos2" = yes && EMXOS2=yes])
 

diff --git a/lib/autoconf/c.m4 b/lib/autoconf/c.m4
index 6250fd69c863a986da31e4b1ebbe5d49b89cefa6..80836a7ba7c5672d58a8899e9f92e88c7417a377 100644 (file)
--- a/lib/autoconf/c.m4
+++ b/lib/autoconf/c.m4
@@ -859,8 +859,9 @@ ac_save_CC=$CC
 for ac_arg in "" -qlanglvl=ansi -std1 -Ae "-Aa -D_HPUX_SOURCE" "-Xc -D__EXTENSIONS__"
 do
   CC="$ac_save_CC $ac_arg"
-  AC_TRY_COMPILE(
-[#include <stdarg.h>
+  AC_COMPILE_IFELSE(
+[AC_LANG_PROGRAM(
+[[#include <stdarg.h>
 #include <stdio.h>
 #include <sys/types.h>
 #include <sys/stat.h>
@@ -887,9 +888,9 @@ struct s1 {int (*f) (int a);};
 struct s2 {int (*f) (double a);};
 int pairnames (int, char **, FILE *(*)(struct buf *, struct stat *, int), int, int);
 int argc;
-char **argv;],
-[return f (e, argv, 0) != argv[0]  ||  f (e, argv, 1) != argv[1];],
-[ac_cv_prog_cc_stdc=$ac_arg; break])
+char **argv;]],
+[[return f (e, argv, 0) != argv[0]  ||  f (e, argv, 1) != argv[1];]])],
+                     [ac_cv_prog_cc_stdc=$ac_arg; break])
 done
 CC=$ac_save_CC
 ])
@@ -986,20 +987,21 @@ AC_DEFUN(AC_C_BIGENDIAN,
 [AC_CACHE_CHECK(whether byte ordering is bigendian, ac_cv_c_bigendian,
 [ac_cv_c_bigendian=unknown
 # See if sys/param.h defines the BYTE_ORDER macro.
-AC_TRY_COMPILE([#include <sys/types.h>
+AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <sys/types.h>
 #include <sys/param.h>
 ],
 [#if !BYTE_ORDER || !BIG_ENDIAN || !LITTLE_ENDIAN
  bogus endian macros
 #endif
-],
+])],
 [# It does; now see whether it defined to BIG_ENDIAN or not.
-AC_TRY_COMPILE([#include <sys/types.h>
+AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <sys/types.h>
 #include <sys/param.h>
 ], [#if BYTE_ORDER != BIG_ENDIAN
  not big endian
 #endif
-], ac_cv_c_bigendian=yes, ac_cv_c_bigendian=no)])
+])],               [ac_cv_c_bigendian=yes],
+                   [ac_cv_c_bigendian=no])])
 if test $ac_cv_c_bigendian = unknown; then
 AC_TRY_RUN(
 [int
@@ -1033,12 +1035,12 @@ AC_DEFUN(AC_C_INLINE,
 AC_CACHE_CHECK([for inline], ac_cv_c_inline,
 [ac_cv_c_inline=no
 for ac_kw in inline __inline__ __inline; do
-  AC_TRY_COMPILE(,
+  AC_COMPILE_IFELSE([AC_LANG_SOURCE(
 [#ifndef __cplusplus
-  } $ac_kw int foo() {
+$ac_kw int foo () {return 0; }
 #endif
-],
-[ac_cv_c_inline=$ac_kw; break])
+])],
+                    [ac_cv_c_inline=$ac_kw; break])
 done
 ])
 case "$ac_cv_c_inline" in
@@ -1056,8 +1058,8 @@ esac
 AC_DEFUN(AC_C_CONST,
 [AC_REQUIRE([AC_PROG_CC_STDC])dnl
 AC_CACHE_CHECK([for an ANSI C-conforming const], ac_cv_c_const,
-[AC_TRY_COMPILE(,
-[/* FIXME: Include the comments suggested by Paul. */
+[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([],
+[[/* FIXME: Include the comments suggested by Paul. */
 #ifndef __cplusplus
   /* Ultrix mips cc rejects this.  */
   typedef int charset[2];
@@ -1103,8 +1105,9 @@ AC_CACHE_CHECK([for an ANSI C-conforming const], ac_cv_c_const,
     const int foo = 10;
   }
 #endif
-],
-                ac_cv_c_const=yes, ac_cv_c_const=no)])
+]])],
+                   [ac_cv_c_const=yes],
+                   [ac_cv_c_const=no])])
 if test $ac_cv_c_const = no; then
   AC_DEFINE(const,,
             [Define to empty if `const' does not conform to ANSI C.])
@@ -1123,10 +1126,11 @@ fi
 AC_DEFUN(AC_C_VOLATILE,
 [AC_REQUIRE([AC_PROG_CC_STDC])dnl
 AC_CACHE_CHECK([for working volatile], ac_cv_c_volatile,
-[AC_TRY_COMPILE(,[
+[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [
 volatile int x;
-int * volatile y;],
-ac_cv_c_volatile=yes, ac_cv_c_volatile=no)])
+int * volatile y;])],
+                   [ac_cv_c_volatile=yes],
+                   [ac_cv_c_volatile=no])])
 if test $ac_cv_c_volatile = no; then
   AC_DEFINE(volatile,,
             [Define to empty if the keyword `volatile' does not work.

diff --git a/lib/autoconf/fortran.m4 b/lib/autoconf/fortran.m4
index 6250fd69c863a986da31e4b1ebbe5d49b89cefa6..80836a7ba7c5672d58a8899e9f92e88c7417a377 100644 (file)
--- a/lib/autoconf/fortran.m4
+++ b/lib/autoconf/fortran.m4
@@ -859,8 +859,9 @@ ac_save_CC=$CC
 for ac_arg in "" -qlanglvl=ansi -std1 -Ae "-Aa -D_HPUX_SOURCE" "-Xc -D__EXTENSIONS__"
 do
   CC="$ac_save_CC $ac_arg"
-  AC_TRY_COMPILE(
-[#include <stdarg.h>
+  AC_COMPILE_IFELSE(
+[AC_LANG_PROGRAM(
+[[#include <stdarg.h>
 #include <stdio.h>
 #include <sys/types.h>
 #include <sys/stat.h>
@@ -887,9 +888,9 @@ struct s1 {int (*f) (int a);};
 struct s2 {int (*f) (double a);};
 int pairnames (int, char **, FILE *(*)(struct buf *, struct stat *, int), int, int);
 int argc;
-char **argv;],
-[return f (e, argv, 0) != argv[0]  ||  f (e, argv, 1) != argv[1];],
-[ac_cv_prog_cc_stdc=$ac_arg; break])
+char **argv;]],
+[[return f (e, argv, 0) != argv[0]  ||  f (e, argv, 1) != argv[1];]])],
+                     [ac_cv_prog_cc_stdc=$ac_arg; break])
 done
 CC=$ac_save_CC
 ])
@@ -986,20 +987,21 @@ AC_DEFUN(AC_C_BIGENDIAN,
 [AC_CACHE_CHECK(whether byte ordering is bigendian, ac_cv_c_bigendian,
 [ac_cv_c_bigendian=unknown
 # See if sys/param.h defines the BYTE_ORDER macro.
-AC_TRY_COMPILE([#include <sys/types.h>
+AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <sys/types.h>
 #include <sys/param.h>
 ],
 [#if !BYTE_ORDER || !BIG_ENDIAN || !LITTLE_ENDIAN
  bogus endian macros
 #endif
-],
+])],
 [# It does; now see whether it defined to BIG_ENDIAN or not.
-AC_TRY_COMPILE([#include <sys/types.h>
+AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <sys/types.h>
 #include <sys/param.h>
 ], [#if BYTE_ORDER != BIG_ENDIAN
  not big endian
 #endif
-], ac_cv_c_bigendian=yes, ac_cv_c_bigendian=no)])
+])],               [ac_cv_c_bigendian=yes],
+                   [ac_cv_c_bigendian=no])])
 if test $ac_cv_c_bigendian = unknown; then
 AC_TRY_RUN(
 [int
@@ -1033,12 +1035,12 @@ AC_DEFUN(AC_C_INLINE,
 AC_CACHE_CHECK([for inline], ac_cv_c_inline,
 [ac_cv_c_inline=no
 for ac_kw in inline __inline__ __inline; do
-  AC_TRY_COMPILE(,
+  AC_COMPILE_IFELSE([AC_LANG_SOURCE(
 [#ifndef __cplusplus
-  } $ac_kw int foo() {
+$ac_kw int foo () {return 0; }
 #endif
-],
-[ac_cv_c_inline=$ac_kw; break])
+])],
+                    [ac_cv_c_inline=$ac_kw; break])
 done
 ])
 case "$ac_cv_c_inline" in
@@ -1056,8 +1058,8 @@ esac
 AC_DEFUN(AC_C_CONST,
 [AC_REQUIRE([AC_PROG_CC_STDC])dnl
 AC_CACHE_CHECK([for an ANSI C-conforming const], ac_cv_c_const,
-[AC_TRY_COMPILE(,
-[/* FIXME: Include the comments suggested by Paul. */
+[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([],
+[[/* FIXME: Include the comments suggested by Paul. */
 #ifndef __cplusplus
   /* Ultrix mips cc rejects this.  */
   typedef int charset[2];
@@ -1103,8 +1105,9 @@ AC_CACHE_CHECK([for an ANSI C-conforming const], ac_cv_c_const,
     const int foo = 10;
   }
 #endif
-],
-                ac_cv_c_const=yes, ac_cv_c_const=no)])
+]])],
+                   [ac_cv_c_const=yes],
+                   [ac_cv_c_const=no])])
 if test $ac_cv_c_const = no; then
   AC_DEFINE(const,,
             [Define to empty if `const' does not conform to ANSI C.])
@@ -1123,10 +1126,11 @@ fi
 AC_DEFUN(AC_C_VOLATILE,
 [AC_REQUIRE([AC_PROG_CC_STDC])dnl
 AC_CACHE_CHECK([for working volatile], ac_cv_c_volatile,
-[AC_TRY_COMPILE(,[
+[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [
 volatile int x;
-int * volatile y;],
-ac_cv_c_volatile=yes, ac_cv_c_volatile=no)])
+int * volatile y;])],
+                   [ac_cv_c_volatile=yes],
+                   [ac_cv_c_volatile=no])])
 if test $ac_cv_c_volatile = no; then
   AC_DEFINE(volatile,,
             [Define to empty if the keyword `volatile' does not work.

diff --git a/lib/autoconf/general.m4 b/lib/autoconf/general.m4
index 545dabb36bc949fce40024ed08a7addb28572b9f..6ddaccad065bbdf1e039324ff163d60d0db51e91 100644 (file)
--- a/lib/autoconf/general.m4
+++ b/lib/autoconf/general.m4
@@ -2865,9 +2865,8 @@ rm -f conftest*[]dnl
 
 
 # AC_TRY_COMPILE(INCLUDES, FUNCTION-BODY,
-#              [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
+#                [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
 # --------------------------------------------------------
-# FIXME: Should INCLUDES be defaulted here?
 AC_DEFUN([AC_TRY_COMPILE],
 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[$1]], [[$2]])], [$3], [$4])])
 

diff --git a/lib/autoconf/lang.m4 b/lib/autoconf/lang.m4
index 6250fd69c863a986da31e4b1ebbe5d49b89cefa6..80836a7ba7c5672d58a8899e9f92e88c7417a377 100644 (file)
--- a/lib/autoconf/lang.m4
+++ b/lib/autoconf/lang.m4
@@ -859,8 +859,9 @@ ac_save_CC=$CC
 for ac_arg in "" -qlanglvl=ansi -std1 -Ae "-Aa -D_HPUX_SOURCE" "-Xc -D__EXTENSIONS__"
 do
   CC="$ac_save_CC $ac_arg"
-  AC_TRY_COMPILE(
-[#include <stdarg.h>
+  AC_COMPILE_IFELSE(
+[AC_LANG_PROGRAM(
+[[#include <stdarg.h>
 #include <stdio.h>
 #include <sys/types.h>
 #include <sys/stat.h>
@@ -887,9 +888,9 @@ struct s1 {int (*f) (int a);};
 struct s2 {int (*f) (double a);};
 int pairnames (int, char **, FILE *(*)(struct buf *, struct stat *, int), int, int);
 int argc;
-char **argv;],
-[return f (e, argv, 0) != argv[0]  ||  f (e, argv, 1) != argv[1];],
-[ac_cv_prog_cc_stdc=$ac_arg; break])
+char **argv;]],
+[[return f (e, argv, 0) != argv[0]  ||  f (e, argv, 1) != argv[1];]])],
+                     [ac_cv_prog_cc_stdc=$ac_arg; break])
 done
 CC=$ac_save_CC
 ])
@@ -986,20 +987,21 @@ AC_DEFUN(AC_C_BIGENDIAN,
 [AC_CACHE_CHECK(whether byte ordering is bigendian, ac_cv_c_bigendian,
 [ac_cv_c_bigendian=unknown
 # See if sys/param.h defines the BYTE_ORDER macro.
-AC_TRY_COMPILE([#include <sys/types.h>
+AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <sys/types.h>
 #include <sys/param.h>
 ],
 [#if !BYTE_ORDER || !BIG_ENDIAN || !LITTLE_ENDIAN
  bogus endian macros
 #endif
-],
+])],
 [# It does; now see whether it defined to BIG_ENDIAN or not.
-AC_TRY_COMPILE([#include <sys/types.h>
+AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <sys/types.h>
 #include <sys/param.h>
 ], [#if BYTE_ORDER != BIG_ENDIAN
  not big endian
 #endif
-], ac_cv_c_bigendian=yes, ac_cv_c_bigendian=no)])
+])],               [ac_cv_c_bigendian=yes],
+                   [ac_cv_c_bigendian=no])])
 if test $ac_cv_c_bigendian = unknown; then
 AC_TRY_RUN(
 [int
@@ -1033,12 +1035,12 @@ AC_DEFUN(AC_C_INLINE,
 AC_CACHE_CHECK([for inline], ac_cv_c_inline,
 [ac_cv_c_inline=no
 for ac_kw in inline __inline__ __inline; do
-  AC_TRY_COMPILE(,
+  AC_COMPILE_IFELSE([AC_LANG_SOURCE(
 [#ifndef __cplusplus
-  } $ac_kw int foo() {
+$ac_kw int foo () {return 0; }
 #endif
-],
-[ac_cv_c_inline=$ac_kw; break])
+])],
+                    [ac_cv_c_inline=$ac_kw; break])
 done
 ])
 case "$ac_cv_c_inline" in
@@ -1056,8 +1058,8 @@ esac
 AC_DEFUN(AC_C_CONST,
 [AC_REQUIRE([AC_PROG_CC_STDC])dnl
 AC_CACHE_CHECK([for an ANSI C-conforming const], ac_cv_c_const,
-[AC_TRY_COMPILE(,
-[/* FIXME: Include the comments suggested by Paul. */
+[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([],
+[[/* FIXME: Include the comments suggested by Paul. */
 #ifndef __cplusplus
   /* Ultrix mips cc rejects this.  */
   typedef int charset[2];
@@ -1103,8 +1105,9 @@ AC_CACHE_CHECK([for an ANSI C-conforming const], ac_cv_c_const,
     const int foo = 10;
   }
 #endif
-],
-                ac_cv_c_const=yes, ac_cv_c_const=no)])
+]])],
+                   [ac_cv_c_const=yes],
+                   [ac_cv_c_const=no])])
 if test $ac_cv_c_const = no; then
   AC_DEFINE(const,,
             [Define to empty if `const' does not conform to ANSI C.])
@@ -1123,10 +1126,11 @@ fi
 AC_DEFUN(AC_C_VOLATILE,
 [AC_REQUIRE([AC_PROG_CC_STDC])dnl
 AC_CACHE_CHECK([for working volatile], ac_cv_c_volatile,
-[AC_TRY_COMPILE(,[
+[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [
 volatile int x;
-int * volatile y;],
-ac_cv_c_volatile=yes, ac_cv_c_volatile=no)])
+int * volatile y;])],
+                   [ac_cv_c_volatile=yes],
+                   [ac_cv_c_volatile=no])])
 if test $ac_cv_c_volatile = no; then
   AC_DEFINE(volatile,,
             [Define to empty if the keyword `volatile' does not work.

diff --git a/lib/autoconf/specific.m4 b/lib/autoconf/specific.m4
index f14028da8d01b6479bfffa704cf29907c33e5993..3de2c5d26efdd7c17b38c829bc284a56e43fb789 100644 (file)
--- a/lib/autoconf/specific.m4
+++ b/lib/autoconf/specific.m4
@@ -319,14 +319,16 @@ AC_DEFUNCT(AC_RSH, [; replace it with equivalent code])
 AC_DEFUN(AC_DECL_SYS_SIGLIST,
 [AC_CACHE_CHECK([for sys_siglist declaration in signal.h or unistd.h],
   ac_cv_decl_sys_siglist,
-[AC_TRY_COMPILE([#include <sys/types.h>
+[AC_COMPILE_IFELSE(
+[AC_LANG_PROGRAM([#include <sys/types.h>
 #include <signal.h>
 /* NetBSD declares sys_siglist in unistd.h.  */
 #if HAVE_UNISTD_H
 # include <unistd.h>
 #endif
-], [char *msg = *(sys_siglist + 1);],
-  ac_cv_decl_sys_siglist=yes, ac_cv_decl_sys_siglist=no)])
+], [char *msg = *(sys_siglist + 1);])],
+                   [ac_cv_decl_sys_siglist=yes],
+                   [ac_cv_decl_sys_siglist=no])])
 if test $ac_cv_decl_sys_siglist = yes; then
   AC_DEFINE(SYS_SIGLIST_DECLARED, 1,
             [Define if `sys_siglist' is declared by <signal.h> or <unistd.h>.])
@@ -349,11 +351,12 @@ fi
 define([_AC_CHECK_HEADER_DIRENT],
 [AC_VAR_PUSHDEF([ac_Header], [ac_cv_header_dirent_$1])dnl
 AC_CACHE_CHECK([for $1 that defines DIR], ac_Header,
-[AC_TRY_COMPILE([#include <sys/types.h>
+[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <sys/types.h>
 #include <$1>
 ],
-                [DIR *dirp = 0;],
-AC_VAR_SET(ac_Header, yes), AC_VAR_SET(ac_Header, no))])
+                                    [DIR *dirp = 0;])],
+                   [AC_VAR_SET(ac_Header, yes)],
+                   [AC_VAR_SET(ac_Header, no)])])
 AC_SHELL_IFELSE([test AC_VAR_GET(ac_Header) = yes],
                 [$2], [$3])dnl
 AC_VAR_POPDEF([ac_Header])dnl
@@ -513,19 +516,21 @@ fi
 AC_DEFUN(AC_HEADER_SYS_WAIT,
 [AC_CACHE_CHECK([for sys/wait.h that is POSIX.1 compatible],
   ac_cv_header_sys_wait_h,
-[AC_TRY_COMPILE(
-[#include <sys/types.h>
+[AC_COMPILE_IFELSE(
+[AC_LANG_PROGRAM([#include <sys/types.h>
 #include <sys/wait.h>
 #ifndef WEXITSTATUS
 # define WEXITSTATUS(stat_val) ((unsigned)(stat_val) >> 8)
 #endif
 #ifndef WIFEXITED
 # define WIFEXITED(stat_val) (((stat_val) & 255) == 0)
-#endif],
+#endif
+],
 [  int s;
   wait (&s);
-  s = WIFEXITED (s) ? WEXITSTATUS (s) : 1;],
-ac_cv_header_sys_wait_h=yes, ac_cv_header_sys_wait_h=no)])
+  s = WIFEXITED (s) ? WEXITSTATUS (s) : 1;])],
+                 [ac_cv_header_sys_wait_h=yes],
+                 [ac_cv_header_sys_wait_h=no])])
 if test $ac_cv_header_sys_wait_h = yes; then
   AC_DEFINE(HAVE_SYS_WAIT_H, 1,
             [Define if you have <sys/wait.h> that is POSIX.1 compatible.])
@@ -538,11 +543,13 @@ fi
 AC_DEFUN(AC_HEADER_TIME,
 [AC_CACHE_CHECK([whether time.h and sys/time.h may both be included],
   ac_cv_header_time,
-[AC_TRY_COMPILE([#include <sys/types.h>
+[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <sys/types.h>
 #include <sys/time.h>
 #include <time.h>
 ],
-[struct tm *tp;], ac_cv_header_time=yes, ac_cv_header_time=no)])
+[struct tm *tp;])],
+                   [ac_cv_header_time=yes],
+                   [ac_cv_header_time=no])])
 if test $ac_cv_header_time = yes; then
   AC_DEFINE(TIME_WITH_SYS_TIME, 1,
             [Define if you can safely include both <sys/time.h> and <time.h>.])
@@ -659,7 +666,8 @@ AC_DEFUNCT(AC_LONG_64_BITS, [; instead use AC_CHECK_SIZEOF(long)])
 # Note that identifiers starting with SIG are reserved by ANSI C.
 AC_DEFUN(AC_TYPE_SIGNAL,
 [AC_CACHE_CHECK([return type of signal handlers], ac_cv_type_signal,
-[AC_TRY_COMPILE([#include <sys/types.h>
+[AC_COMPILE_IFELSE(
+[AC_LANG_PROGRAM([#include <sys/types.h>
 #include <signal.h>
 #ifdef signal
 # undef signal
@@ -670,7 +678,9 @@ extern "C" void (*signal (int, void (*)(int)))(int);
 void (*signal ()) ();
 #endif
 ],
-[int i;], ac_cv_type_signal=void, ac_cv_type_signal=int)])
+                 [int i;])],
+                   [ac_cv_type_signal=void],
+                   [ac_cv_type_signal=int])])
 AC_DEFINE_UNQUOTED(RETSIGTYPE, $ac_cv_type_signal,
                    [Define as the return type of signal handlers
                     (`int' or `void').])
@@ -916,10 +926,11 @@ else
   AC_CHECK_HEADER(nlist.h,
   [AC_DEFINE(NLIST_STRUCT, 1, [Define if you have <nlist.h>.])
   AC_CACHE_CHECK([for n_un in struct nlist], ac_cv_struct_nlist_n_un,
-  [AC_TRY_COMPILE([#include <nlist.h>
+  [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <nlist.h>
 ],
-                  [struct nlist n; n.n_un.n_name = 0;],
-                  ac_cv_struct_nlist_n_un=yes, ac_cv_struct_nlist_n_un=no)])
+                                      [struct nlist n; n.n_un.n_name = 0;])],
+                     [ac_cv_struct_nlist_n_un=yes],
+                     [ac_cv_struct_nlist_n_un=no])])
   if test $ac_cv_struct_nlist_n_un = yes; then
     AC_DEFINE(NLIST_NAME_UNION, 1,
               [Define if your `struct nlist' has an `n_un' member.])
@@ -1375,7 +1386,7 @@ AC_DEFUN(AC_FUNC_SELECT_ARGTYPES,
 [for ac_arg234 in 'fd_set *' 'int *' 'void *'; do
  for ac_arg1 in 'int' 'size_t' 'unsigned long' 'unsigned'; do
   for ac_arg5 in 'struct timeval *' 'const struct timeval *'; do
-   AC_TRY_COMPILE(
+   AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
 [#include <sys/types.h>
 #if HAVE_SYS_TIME_H
 # include <sys/time.h>
@@ -1386,8 +1397,8 @@ AC_DEFUN(AC_FUNC_SELECT_ARGTYPES,
 #if HAVE_SYS_SOCKET_H
 # include <sys/socket.h>
 #endif
-extern int select ($ac_arg1,$ac_arg234,$ac_arg234,$ac_arg234,$ac_arg5);],,
-    [ac_cv_func_select_args="$ac_arg1,$ac_arg234,$ac_arg5"; break 3])
+extern int select ($ac_arg1,$ac_arg234,$ac_arg234,$ac_arg234,$ac_arg5);])],
+              [ac_cv_func_select_args="$ac_arg1,$ac_arg234,$ac_arg5"; break 3])
   done
  done
 done
@@ -1717,11 +1728,12 @@ fi
 AC_DEFUN(AC_STRUCT_TM,
 [AC_CACHE_CHECK([whether struct tm is in sys/time.h or time.h],
   ac_cv_struct_tm,
-[AC_TRY_COMPILE([#include <sys/types.h>
+[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <sys/types.h>
 #include <time.h>
 ],
-[struct tm *tp; tp->tm_sec;],
-  ac_cv_struct_tm=time.h, ac_cv_struct_tm=sys/time.h)])
+                                    [struct tm *tp; tp->tm_sec;])],
+                   [ac_cv_struct_tm=time.h],
+                   [ac_cv_struct_tm=sys/time.h])])
 if test $ac_cv_struct_tm = sys/time.h; then
   AC_DEFINE(TM_IN_SYS_TIME, 1,
             [Define if your <sys/time.h> declares `struct tm'.])
@@ -2345,12 +2357,13 @@ AU_DEFUN(AC_CYGWIN32,
 # EXEEXT.
 AC_DEFUN(AC_CYGWIN,
 [AC_CACHE_CHECK(for Cygwin environment, ac_cv_cygwin,
-[AC_TRY_COMPILE(,
+[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([],
 [#ifndef __CYGWIN__
 # define __CYGWIN__ __CYGWIN32__
 #endif
-return __CYGWIN__;],
-ac_cv_cygwin=yes, ac_cv_cygwin=no)])
+return __CYGWIN__;])],
+                   [ac_cv_cygwin=yes],
+                   [ac_cv_cygwin=no])])
 CYGWIN=
 test "$ac_cv_cygwin" = yes && CYGWIN=yes])
 
@@ -2361,8 +2374,9 @@ test "$ac_cv_cygwin" = yes && CYGWIN=yes])
 # EXEEXT.
 AC_DEFUN(AC_MINGW32,
 [AC_CACHE_CHECK(for mingw32 environment, ac_cv_mingw32,
-[AC_TRY_COMPILE(,[return __MINGW32__;],
-ac_cv_mingw32=yes, ac_cv_mingw32=no)])
+[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [return __MINGW32__;])],
+                   [ac_cv_mingw32=yes],
+                   [ac_cv_mingw32=no])])
 MINGW32=
 test "$ac_cv_mingw32" = yes && MINGW32=yes])
 
@@ -2373,8 +2387,9 @@ test "$ac_cv_mingw32" = yes && MINGW32=yes])
 # for EXEEXT.
 AC_DEFUN(AC_EMXOS2,
 [AC_CACHE_CHECK(for EMX OS/2 environment, ac_cv_emxos2,
-[AC_TRY_COMPILE(,[return __EMX__;],
-ac_cv_emxos2=yes, ac_cv_emxos2=no)])
+[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [return __EMX__;])],
+                   [ac_cv_emxos2=yes],
+                   [ac_cv_emxos2=no])])
 EMXOS2=
 test "$ac_cv_emxos2" = yes && EMXOS2=yes])
 

diff --git a/tests/semantics.m4 b/tests/semantics.m4
index e875783167713cd5d9a1f17cfaca68154f62e274..3db282b20e09f9d97cfead0ba4d1a941b9c9c2c3 100644 (file)
--- a/tests/semantics.m4
+++ b/tests/semantics.m4
@@ -15,6 +15,12 @@ AC_TRY_LINK_FUNC(Be_doomed_if_your_libc_has_a_function_named_like_this,
                  exit 1)])
 
 
+
+## -------------------------------- ##
+## Members of the AC_CHECK family.  ##
+## -------------------------------- ##
+
+
 # AC_CHECK_LIB
 # ------------
 # Well, I can't imagine a system where `cos' is neither in libc, nor
@@ -266,3 +272,23 @@ AT_CHECK([../autoconf -m .. -l $at_srcdir], 0,, ignore)
 AT_CHECK([./configure], 0, ignore)
 
 AT_CLEANUP(path config.log config.cache configure)
+
+
+
+
+## ----------------- ##
+## Specific macros.  ##
+## ----------------- ##
+
+
+# AC_C_CONST
+# ----------
+# GCC supports `const', `volatile', and `inline'.
+AT_TEST_MACRO(C keywords,
+[[AC_PROG_CC
+AC_C_CONST
+AC_C_INLINE
+AC_C_VOLATILE
+case "$GCC,$ac_cv_c_const,$ac_cv_c_inline,$ac_cv_c_volatile" in
+ yes,*no*) exit 1;;
+esac]])