Changeset 10ae124c in rtems

Timestamp:

Apr 5, 2004, 6:12:14 AM (17 years ago)

Author:

Ralf Corsepius <ralf.corsepius@…>

Branches:

4.10, 4.11, 4.8, 4.9, 5, master

Children:

411b065

Parents:

7220366a

Message:

2004-04-05 Ralf Corsepius <ralf_corsepius@…>

• configure.ac: Add AC_CHECK_SIZEOF([CPU_CONTEXT]..). Add SIZEOF_CPU_CONTEXT to cpuopts.h. Add RTEMS_PROG_CCAS.
• acinclude.m4: Use unquoted "here" document to propagate $3 to cpuopts.tmp.

Location:

cpukit

Files:

• ChangeLog (modified) (1 diff)
• acinclude.m4 (modified) (1 diff)
• configure.ac (modified) (3 diffs)

cpukit/ChangeLog

@@ +1 @@
+2004-04-05      Ralf Corsepius <ralf_corsepius@rtems.org>
+
+        * configure.ac: Add AC_CHECK_SIZEOF([CPU_CONTEXT]..).
+        Add SIZEOF_CPU_CONTEXT to cpuopts.h.
+        Add RTEMS_PROG_CCAS.
+        * acinclude.m4: Use unquoted "here" document to propagate $3 to
+        cpuopts.tmp.
+
 2004-04-02      Ralf Corsepius <ralf_corsepius@rtems.org>
 

cpukit/acinclude.m4

@@ -4 +4 @@
 [
   if $2; then
-cat >>cpuopts.tmp <<\_ACEOF
+cat >>cpuopts.tmp <<_ACEOF
 
 /* $4 */

cpukit/configure.ac

@@ -33 +33 @@
 
 RTEMS_PROG_CC_FOR_TARGET([-ansi -fasm])
+RTEMS_PROG_CCAS
 RTEMS_CANONICALIZE_TOOLS
 AM_PROG_CC_C_O
@@ -90 +91 @@
 AC_CHECK_FUNCS([isascii fileno])
 
+AS_IF([test x"${RTEMS_CPU}" = x"unix"],[
+## The code fragment below had been used in tools/cpu/unix/gensize.c.
+## FIXME: 
+## * The pad very likely is not necessary.
+AC_CHECK_SIZEOF([CPU_CONTEXT],[],[
+#include <stdio.h>
+#include <setjmp.h>
+
+typedef struct {
+  jmp_buf     regs;
+  int         isr_level;
+  int         pad[4]; /* just in case */
+} CPU_CONTEXT;
+])
+])
+
 cat >>cpuopts.tmp <<\_ACEOF
 /* target cpu dependent options file */
@@ -146 +163 @@
   ["]_RTEMS_VERSION["],
   [RTEMS version string])
+
+RTEMS_CPUOPT([SIZEOF_CPU_CONTEXT],
+  [test x"$RTEMS_CPU" = x"unix"],
+  [$ac_cv_sizeof_CPU_CONTEXT],
+  [The size of a 'CPU_CONTEXT', as computed by sizeof])
 
 cat >>cpuopts.tmp <<\_ACEOF