Integrate:

[perl5.git] / hints / dec_osf.sh

diff --git a/hints/dec_osf.sh b/hints/dec_osf.sh
index 5b15fad..f08c318 100644 (file)
--- a/hints/dec_osf.sh
+++ b/hints/dec_osf.sh
@@ -303,9 +303,32 @@ cat > UU/usethreads.cbu <<'EOCBU'
 # after it has prompted the user for whether to use threads.
 case "$usethreads" in
 $define|true|[yY]*)
+       # In Tru64 V5 (at least V5.1A, V5.1B) gcc (at least 3.2.2)
+       # cannot be used to compile a threaded Perl.
+       cat > pthread.c <<EOF
+#include <pthread.h>
+extern int foo;        
+EOF
+       $cc -c pthread.c 2> pthread.err
+       if grep -q "unrecognized compiler" pthread.err; then
+           cat >&4 <<EOF
+***
+*** I'm sorry but your C compiler ($cc) cannot be used to
+*** compile Perl with threads.  The system C compiler should work.
+***
+
+Cannot continue, aborting.
+
+EOF
+           rm -f pthread.*
+           exit 1
+       fi
+       rm -f pthread.*
        # Threads interfaces changed with V4.0.
        case "$isgcc" in
-       gcc)    ccflags="-D_REENTRANT $ccflags" ;;
+       gcc)
+           ccflags="-D_REENTRANT $ccflags"
+           ;;
        *)  case "`uname -r`" in
            *[123].*)   ccflags="-threads $ccflags" ;;
            *)          ccflags="-pthread $ccflags" ;;