Compiling libpcap on Solaris and related OSes

Autoconf works everywhere.
Neither Solaris lex nor Solaris yacc are suitable.
Neither illumos lex nor illumos yacc are suitable.
Solaris m4 and illumos m4 are suitable.

OmniOS r151050/AMD64

flex 2.6.4 and GNU Bison 3.8.2 work.
CMake 3.30.1 works.
GCC 13.2.0 and Clang 18.1.8 work.

OmniOS r151048/AMD64

flex 2.6.4 and GNU Bison 3.8.2 work.
CMake 3.28.3 works.
GCC 13.2.0 and Clang 17.0.6 work.

OmniOS r151046/AMD64

flex 2.6.4 and GNU Bison 3.8.2 work.
CMake 3.26.4 works.
GCC 12.2.0 and Clang 16.0.4 work.

OpenIndiana 2024.04/AMD64

flex 2.6.4 and GNU Bison 3.7.6 work.
CMake 3.30.2 works.
GCC 10.5.0, GCC 13.3.0 and Clang 18.1.8 work.

For reference, the tests were done using a system installed from OI-hipster-minimal-20240426.iso plus the build-essential package.

OpenIndiana 2023.10/AMD64

flex 2.6.4 and GNU Bison 3.7.6 work.
CMake 3.28.3 works.
GCC 13.2.0 and Clang 17.0.6 work.

For reference, the tests were done using a system installed from OI-hipster-minimal-20231027.iso plus the build-essential package.

Solaris 11.4.72.176.1/SPARC

flex 2.6.4 and GNU Bison 3.8.2 work.
CMake 3.24.0 works.
Sun C 5.15 works.
GCC 13.2.0 and Clang 13.0.1 work, but require setting PKG_CONFIG_PATH=/usr/lib/64/pkgconfig

Solaris 11.4.57.144.3/SPARC

flex 2.6.4 and GNU Bison 3.8.2 work.
CMake does not work.
GCC 12.2.0 and Clang 13.0.1 work.

Solaris 11.4.42.111.0/AMD64

flex 2.6.4 and GNU Bison 3.7.3 work.
CMake 3.21.0 works.
Clang 11.0, GCC 11.2 and Sun C 5.15 work.

Solaris 11.3/SPARC

flex 2.6.4 and GNU Bison 3.7.5 work.
CMake 3.14.3 works.
Sun C 5.13, Sun C 5.14 and Sun C 5.15 work; GCC 5.5.0 and GCC 7.3.0 work.

Solaris 10/SPARC

libpcap build fails with rpcapd enabled.
flex 2.6.4 and GNU Bison 3.7.5 work.
CMake 3.14.3 works.
Sun C 5.13 works, GCC 5.5.0 works.

Solaris 9

This version of this OS is not supported because the snprintf(3) implementation in its libc is not suitable.