Meson: Network libraries and functions

diff --git a/meson/net-libs/meson.build b/meson/net-libs/meson.build
new file mode 100644 (file)
index 0000000..9736d33
--- /dev/null
+++ b/meson/net-libs/meson.build
@@ -0,0 +1,37 @@
+# Network Libraries ----------------------------------------------------------------------
+# Inputs: deps conf
+
+variants = [
+  ['inet_aton', 'resolv'],
+  ['gethostbyname', 'nsl'],
+  ['socket', 'socket'],
+  ['gethostent', 'nsl'],
+]
+foreach variant: variants
+  func_name = variant[0]
+  lib_name = variant[1]
+
+  found = cxx.has_function(func_name)
+  if not found
+    lib = cxx.find_library(lib_name, required: true)
+    if not cxx.has_function(func_name, dependencies: lib)
+      error('Cannot find function ' + func_name)
+    endif
+    deps += lib
+    found = lib.name() + ' ' + lib.version()
+  endif
+
+  # summary(func_name, found, bool_yn: true, section: 'Network Functions')
+endforeach
+
+variants = ['recvmmsg', 'sendmmsg', 'accept4']
+foreach variant: variants
+  found = cxx.has_function(variant)
+  define = 'HAVE_' + variant.to_upper()
+  conf.set10(define, found, description: 'Whether we have ' + variant)
+  # summary(variant, found, bool_yn: true, section: 'Network Functions')
+endforeach
+
+declared = cxx.has_header_symbol('ifaddrs.h', 'getifaddrs')
+conf.set10('HAVE_GETIFADDRS', declared, description: 'Whether we have getifaddrs')
+# summary('getifaddrs', declared, bool_yn: true, section: 'Network Functions')