INSTALL: ajout section "Prerequisites".

Makefile: make install fait make installopt automatiquement.
configure: test de rewinddir(), wait4().


git-svn-id: http://caml.inria.fr/svn/ocaml/trunk@902 f963ae5c-01c2-4b8c-9fe0-0dff7051ff02

INSTALL

@@ -1,3 +1,17 @@
+PREREQUISITES
+
+* Perl version 4 or 5 is required for building the Objective Caml
+  native-code compiler.
+
+* The GNU C compiler gcc is recommended, as the bytecode
+  interpreter takes advantage of gcc-specific features to enhance
+  performance. Versions 2.5.8, 2.6.3, 2.7.0 and 2.7.2 have all been
+  tested at some point and appear to work.
+
+* Under HP/UX, gcc, the GNU binutils, and GNU make are all required.
+  The native cc, as, and make have major problems.
+
+
 INSTALLATION INSTRUCTIONS
 
 1- Configure the system. From the top directory, do:
@@ -104,8 +118,6 @@ following commands (in the binary directory selected during autoconfiguration):
         ocamlcp          the bytecode compiler in profiling mode
 
 From the top directory, become superuser and do "make install".
-Also do "make installopt" to install the native-code compiler, if you
-have compiled it.
 
 6- Installation is complete. Time to clean up. From the toplevel
 directory, do "make realclean".

Makefile

@@ -183,6 +183,7 @@ install:
 	cd tools; $(MAKE) install
 	cd man; for i in *.m; do cp $$i $(MANDIR)/`basename $$i .m`.$(MANEXT); done
 	for i in $(OTHERLIBRARIES); do (cd otherlibs/$$i; $(MAKE) install); done
+	if test -f ocamlopt; then $(MAKE) installopt; else :; fi
 
 # Installation of the native-code compiler
 installopt:

configure

@@ -350,6 +350,11 @@ if sh hasgot -i dirent.h; then
   echo "#define HAS_DIRENT" >> s.h
 fi
 
+if sh hasgot rewinddir; then
+  echo "rewinddir() found."
+  echo "#define HAS_REWINDDIR" >> s.h
+fi
+
 if sh hasgot lockf; then
   echo "lockf() found."
   echo "#define HAS_LOCKF" >> s.h
@@ -416,14 +421,16 @@ if sh hasgot symlink readlink lstat;  then
   echo "#define HAS_SYMLINK" >> s.h
 fi
 
-if sh hasgot wait3;  then
-  echo "wait3() found."
-  echo "#define HAS_WAIT3" >> s.h
-fi
-
 if sh hasgot waitpid;  then
   echo "waitpid() found."
   echo "#define HAS_WAITPID" >> s.h
+  has_wait=yes
+fi
+
+if sh hasgot wait4;  then
+  echo "wait4() found."
+  echo "#define HAS_WAIT4" >> s.h
+  has_wait=yes
 fi
 
 if sh hasgot -i sys/param.h && sh runtest getgroups.c; then
@@ -494,8 +501,9 @@ echo "BIGNUM_ARCH=$bignum_arch" >> Makefile
 
 if test "$has_select" = "yes" \
 && test "$has_setitimer" = "yes" \
-&& test "$has_gettimeofday" = "yes"; then
-  echo "Threads library supported"
+&& test "$has_gettimeofday" = "yes" \
+&& test "$has_wait" = "yes"; then
+  echo "Threads library supported."
   otherlibraries="$otherlibraries threads"
 else
   echo "No threads library (missing system calls)"
@@ -547,7 +555,7 @@ done
 
 if test "$x11_include" = "not found" || test "$x11_link" = "not found"
 then
-  echo "X11 not found, the \"graph\" library will not be supported"
+  echo "X11 not found, the \"graph\" library will not be supported."
 else
   echo "X11_INCLUDES=$x11_include" >> Makefile
   echo "X11_LINK=$x11_link" >> Makefile
@@ -563,7 +571,7 @@ then
   echo "NDBM library found."
   otherlibraries="$otherlibraries dbm"
 else
-  echo "NDBM not found, the \"dbm\" library will not be supported"
+  echo "NDBM not found, the \"dbm\" library will not be supported."
 fi
 
 # Finish generated files