gdbsupport: re-indent ptrace.m4

[deliverable/binutils-gdb.git] / gdbsupport / ptrace.m4

diff --git a/gdbsupport/ptrace.m4 b/gdbsupport/ptrace.m4
index 0fcd855aa8fd44f9614b0aced6f7649af733060e..57ed80260ac01ffd7efaa2748424cb328d72d26d 100644 (file)
--- a/gdbsupport/ptrace.m4
+++ b/gdbsupport/ptrace.m4
@@ -34,45 +34,64 @@ gdb_ptrace_headers='
 
 # Check return type.  Varargs (used on GNU/Linux) conflict with the
 # empty argument list, so check for that explicitly.
-AC_CACHE_CHECK([return type of ptrace], gdb_cv_func_ptrace_ret,
-  AC_TRY_COMPILE($gdb_ptrace_headers,
-    [extern long ptrace (enum __ptrace_request, ...);],
-    gdb_cv_func_ptrace_ret='long',
-    AC_TRY_COMPILE($gdb_ptrace_headers,
-      [extern int ptrace ();],
-      gdb_cv_func_ptrace_ret='int',
-      gdb_cv_func_ptrace_ret='long')))
-AC_DEFINE_UNQUOTED(PTRACE_TYPE_RET, $gdb_cv_func_ptrace_ret,
-  [Define as the return type of ptrace.])
+AC_CACHE_CHECK(
+  [return type of ptrace],
+  [gdb_cv_func_ptrace_ret],
+  [AC_TRY_COMPILE(
+     [$gdb_ptrace_headers],
+     [extern long ptrace (enum __ptrace_request, ...);],
+     [gdb_cv_func_ptrace_ret='long'],
+     [AC_TRY_COMPILE(
+       [$gdb_ptrace_headers],
+       [extern int ptrace ();],
+       [gdb_cv_func_ptrace_ret='int'],
+       [gdb_cv_func_ptrace_ret='long']
+      )]
+   )]
+)
+
+AC_DEFINE_UNQUOTED(
+  [PTRACE_TYPE_RET],
+  [$gdb_cv_func_ptrace_ret],
+  [Define as the return type of ptrace.]
+)
+
 # Check argument types.
-AC_CACHE_CHECK([types of arguments for ptrace], gdb_cv_func_ptrace_args, [
-  AC_TRY_COMPILE($gdb_ptrace_headers,
-    [extern long ptrace (enum __ptrace_request, ...);],
-    [gdb_cv_func_ptrace_args='enum __ptrace_request,int,long,long'],[
-for gdb_arg1 in 'int' 'long'; do
- for gdb_arg2 in 'pid_t' 'int' 'long'; do
-  for gdb_arg3 in 'int *' 'caddr_t' 'int' 'long' 'void *'; do
-   for gdb_arg4 in 'int' 'long' 'void *'; do
-     AC_TRY_COMPILE($gdb_ptrace_headers, [
-extern $gdb_cv_func_ptrace_ret
-  ptrace ($gdb_arg1, $gdb_arg2, $gdb_arg3, $gdb_arg4);
-], [gdb_cv_func_ptrace_args="$gdb_arg1,$gdb_arg2,$gdb_arg3,$gdb_arg4";
-    break 4;])
-    for gdb_arg5 in 'int *' 'int' 'long'; do
-     AC_TRY_COMPILE($gdb_ptrace_headers, [
-extern $gdb_cv_func_ptrace_ret
-  ptrace ($gdb_arg1, $gdb_arg2, $gdb_arg3, $gdb_arg4, $gdb_arg5);
-], [
-gdb_cv_func_ptrace_args="$gdb_arg1,$gdb_arg2,$gdb_arg3,$gdb_arg4,$gdb_arg5";
-    break 5;])
-    done
-   done
-  done
- done
-done
-# Provide a safe default value.
-: ${gdb_cv_func_ptrace_args='int,int,long,long'}
-])])
+AC_CACHE_CHECK(
+  [types of arguments for ptrace],
+  [gdb_cv_func_ptrace_args],
+  [AC_TRY_COMPILE(
+     [$gdb_ptrace_headers],
+     [extern long ptrace (enum __ptrace_request, ...);],
+     [gdb_cv_func_ptrace_args='enum __ptrace_request,int,long,long'],
+     [for gdb_arg1 in 'int' 'long'; do
+       for gdb_arg2 in 'pid_t' 'int' 'long'; do
+         for gdb_arg3 in 'int *' 'caddr_t' 'int' 'long' 'void *'; do
+           for gdb_arg4 in 'int' 'long' 'void *'; do
+             AC_TRY_COMPILE(
+               [$gdb_ptrace_headers],
+               [extern $gdb_cv_func_ptrace_ret ptrace ($gdb_arg1, $gdb_arg2, $gdb_arg3, $gdb_arg4);],
+               [gdb_cv_func_ptrace_args="$gdb_arg1,$gdb_arg2,$gdb_arg3,$gdb_arg4";
+                break 4;]
+             )
+
+             for gdb_arg5 in 'int *' 'int' 'long'; do
+               AC_TRY_COMPILE(
+                 [$gdb_ptrace_headers],
+                 [extern $gdb_cv_func_ptrace_ret ptrace ($gdb_arg1, $gdb_arg2, $gdb_arg3, $gdb_arg4, $gdb_arg5);],
+                 [gdb_cv_func_ptrace_args="$gdb_arg1,$gdb_arg2,$gdb_arg3,$gdb_arg4,$gdb_arg5";
+                  break 5;]
+               )
+             done
+           done
+         done
+       done
+      done
+      # Provide a safe default value.
+      : ${gdb_cv_func_ptrace_args='int,int,long,long'}]
+   )]
+)
+
 ac_save_IFS=$IFS; IFS=','
 set dummy `echo "$gdb_cv_func_ptrace_args" | sed 's/\*/\*/g'`
 IFS=$ac_save_IFS