Tweak configure.in in preparation for arch and OS ports -- we now have

variables VG_ARCH, VG_OS and VG_PLATFORM (which equals ${VG_ARCH}-${VG_OS}).
Also added a check for the platform (arch/OS) combination.

git-svn-id: svn://svn.valgrind.org/valgrind/trunk@2600

diff --git a/configure.in b/configure.in
index 04cb3345f418af150259fd3cf73426866cdfa2b9..30c215b7dcad005cf20004ede20d43c591d402ed 100644 (file)
--- a/configure.in
+++ b/configure.in
@@ -65,10 +65,12 @@ esac
 AC_CANONICAL_HOST
 
 AC_MSG_CHECKING([for a supported CPU])
+AC_SUBST(VG_ARCH)
 
 case "${host_cpu}" in
      i?86) 
        AC_MSG_RESULT([ok (${host_cpu})])
+        VG_ARCH="x86"
         ;;
 
      *) 
@@ -78,12 +80,12 @@ case "${host_cpu}" in
 esac
 
 AC_MSG_CHECKING([for a supported OS])
-AC_SUBST(VG_PLATFORM)
+AC_SUBST(VG_OS)
 
 case "${host_os}" in
      *linux*)
        AC_MSG_RESULT([ok (${host_os})])
-        VG_PLATFORM="x86-linux"
+        VG_OS="linux"
 
         # Ok, this is linux. Check the kernel version
         AC_MSG_CHECKING([for the kernel version])
@@ -116,8 +118,7 @@ case "${host_os}" in
 
      *freebsd*)
         AC_MSG_RESULT([ok (${host_os})])
-        VG_PLATFORM="x86-freebsd"
-
+        VG_OS="freebsd"
         ;;
 
      *) 
@@ -126,6 +127,22 @@ case "${host_os}" in
        ;;
 esac
 
+AC_MSG_CHECKING([for a supported CPU/OS combination])
+AC_SUBST(VG_PLATFORM)
+
+VG_PLATFORM="$VG_ARCH-$VG_OS"
+
+case $VG_PLATFORM in
+    x86-linux)
+        AC_MSG_RESULT([ok (${host_cpu}-${host_os})])
+        ;;
+
+    *)
+        AC_MSG_RESULT([no (${host_cpu}-${host_os})])
+        AC_MSG_ERROR([Valgrind is platform specific. Sorry. Please consider doin
+g a port.])
+        ;;
+esac
 
 AC_SUBST(DEFAULT_SUPP)