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Diffstat (limited to '')
| -rw-r--r-- | m4/os.m4 | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/m4/os.m4 b/m4/os.m4 new file mode 100644 index 0000000..21be3d8 --- /dev/null +++ b/m4/os.m4 @@ -0,0 +1,53 @@ +# +# lldp_CHECK_OS +# +# List of supported OS. +# +AC_DEFUN([lldp_DEFINE_OS], [dnl + case $host_os in + $1) + os="$2" + AC_DEFINE_UNQUOTED(HOST_OS_$3, 1, [Host operating system is $2]) + ;; + esac + AM_CONDITIONAL(HOST_OS_$3, test x"$os" = x"$2")dnl +]) + +AC_DEFUN([lldp_CHECK_OS], [ + AC_CANONICAL_HOST + AC_MSG_CHECKING([if host OS is supported]) + + lldp_DEFINE_OS(linux*, Linux, LINUX) + lldp_DEFINE_OS(freebsd*|kfreebsd*, FreeBSD, FREEBSD) + lldp_DEFINE_OS(dragonfly*, [DragonFly BSD], DRAGONFLY) + lldp_DEFINE_OS(openbsd*, OpenBSD, OPENBSD) + lldp_DEFINE_OS(netbsd*, NetBSD, NETBSD) + lldp_DEFINE_OS(darwin*, macOS, OSX) + lldp_DEFINE_OS(solaris*, Solaris, SOLARIS) + + if test x"$os" = x; then + AC_MSG_RESULT(no) + AC_MSG_ERROR([*** unsupported OS $host_os]) + fi + AC_MSG_RESULT([yes ($os)]) +]) + +# Enable some additional CFLAGS depending on the OS +AC_DEFUN([lldp_CFLAGS_OS], [ + # Most of what we want can be enabled nowadays with _GNU_SOURCE + AX_CFLAGS_GCC_OPTION([-D_GNU_SOURCE], [LLDP_CPPFLAGS]) dnl GNU systems (asprintf, ...) + + case $host_os in + solaris*) + AX_CFLAGS_GCC_OPTION([-D__EXTENSIONS__], [LLDP_CPPFLAGS]) dnl (CMSG_*) + AX_CFLAGS_GCC_OPTION([-D_XPG4_2], [LLDP_CPPFLAGS]) dnl (CMSG_*) + ;; + hpux*) + AX_CFLAGS_GCC_OPTION([-D_XOPEN_SOURCE=500], [LLDP_CPPFLAGS]) dnl HP-UX + AX_CFLAGS_GCC_OPTION([-D_XOPEN_SOURCE_EXTENDED], [LLDP_CPPFLAGS]) dnl HP-UX + ;; + netbsd*) + AX_CFLAGS_GCC_OPTION([-D_OPENBSD_SOURCE], [LLDP_CPPFLAGS]) dnl strtonum + ;; + esac +]) |