* config.guess: Combine mips-mips-riscos cases, and use cpp to

distinguish sysv/svr4/bsd variants.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@12159 138bc75d-0d04-0410-961f-82ee72b054a4

diff --git a/gcc/config.guess b/gcc/config.guess
index e725476..b9105a9 100755 (executable)
--- a/gcc/config.guess
+++ b/gcc/config.guess
@@ -116,11 +116,27 @@ case "${UNAME_MACHINE}:${UNAME_SYSTEM}:${UNAME_RELEASE}:${UNAME_VERSION}" in
     VAX*:ULTRIX*:*:*)
        echo vax-dec-ultrix${UNAME_RELEASE}
        exit 0 ;;
-    mips:*:4*:UMIPS)
-       echo mips-mips-riscos4sysv
-       exit 0 ;;
-    mips:*:5*:RISCos)
-       echo mips-mips-riscos${UNAME_RELEASE}
+    mips:*:*:UMIPS | mips:*:*:RISCos)
+       sed 's/^        //' << EOF >dummy.c
+       int main (argc, argv) int argc; char **argv; {
+       #if defined (host_mips) && defined (MIPSEB)
+       #if defined (SYSTYPE_SYSV)
+         printf ("mips-mips-riscos%ssysv\n", argv[1]); exit (0);
+       #endif
+       #if defined (SYSTYPE_SVR4)
+         printf ("mips-mips-riscos%ssvr4\n", argv[1]); exit (0);
+       #endif
+       #if defined (SYSTYPE_BSD43) || defined(SYSTYPE_BSD)
+         printf ("mips-mips-riscos%sbsd\n", argv[1]); exit (0);
+       #endif
+       #endif
+         exit (-1);
+       }
+EOF
+       ${CC-cc} dummy.c -o dummy && ./dummy "${UNAME_RELEASE}" \
+         && rm dummy.c dummy && exit 0
+       rm -f dummy.c dummy
+       echo mips-mips-riscos{UNAME_RELEASE}
        exit 0 ;;
     Night_Hawk:Power_UNIX:*:*)
        echo powerpc-harris-powerunix