Document some OpenIndiana particulars. [skip ci]

Author: infrastation

build.sh

@@ -51,17 +51,22 @@ clang-*/NetBSD-*)
     LIBPCAP_TAINTED=yes
     ;;
 clang-*/SunOS-5.11)
+    # (Solaris 11 and OpenIndiana)
     # pcap-bpf.c:1044:18: warning: implicit conversion loses integer precision:
     #   'uint64_t' (aka 'unsigned long') to 'u_int' (aka 'unsigned int')
     #   [-Wshorten-64-to-32]
     # pcap-bpf.c:1045:18: warning: implicit conversion loses integer precision:
     #   'uint64_t' (aka 'unsigned long') to 'u_int' (aka 'unsigned int')
     #   [-Wshorten-64-to-32]
-    # pcap-bpf.c:1843:22: warning: implicit conversion loses integer precision:
-    #   'long' to 'int' [-Wshorten-64-to-32]
     # fad-getad.c:266:52: warning: implicit conversion loses integer precision:
     #   'uint64_t'(aka 'unsigned long') to 'bpf_u_int32' (aka 'unsigned int')
     #   [-Wshorten-64-to-32]
+    # (Solaris 11)
+    # pcap-bpf.c:1843:22: warning: implicit conversion loses integer precision:
+    #   'long' to 'int' [-Wshorten-64-to-32]
+    # (OpenIndiana)
+    # rpcapd.c:393:18: warning: this function declaration is not a prototype
+    #   [-Wstrict-prototypes]
     [ "`uname -p`" = i386 ] && LIBPCAP_TAINTED=yes
     ;;
 suncc-5.1[45]/SunOS-5.11)

doc/README.solaris.md

@@ -1,7 +1,28 @@
-# Compiling libpcap on Solaris
+# Compiling libpcap on Solaris and related OSes
 
 * Autoconf works everywhere.
 * Neither Solaris lex nor Solaris yacc are suitable.
+* Neither OpenIndiana lex nor OpenIndiana yacc are suitable.
+* Solaris m4 and OpenIndiana m4 are suitable.
+
+## OpenIndiana 2021.04/AMD64
+
+* flex 2.6.4 and GNU Bison 3.7.6 work.
+* CMake 3.21.1 works.
+* GCC 7.5.0 and GCC 10.3.0 work, Clang 9.0.1 works.
+
+For reference, the tests were done using a system installed from
+`OI-hipster-text-20210430.iso` plus the following packages:
+```shell
+xargs -L1 pkg install <<ENDOFTEXT
+developer/build/autoconf
+developer/parser/bison
+developer/lexer/flex
+developer/build/cmake
+developer/gcc-10
+developer/clang-90
+ENDOFTEXT
+```
 
 ## Solaris 11/SPARC