distributable:
  url: https://www.eecis.udel.edu/~ntp/ntp_spool/ntp4/ntp-4.2/ntp-4.2.8p17.tar.gz
  strip-components: 1

versions:
  # FIXME: X.Y.ZpA; needed in the url
  - 4.2.8.17

dependencies:
  openssl.org: ^3

build:
  dependencies:
    perl.org: ^5
  script:
    # fixes: `#! /ntpbuild/bin/perl -w`
    - run: sed -i 's_^#!.*perl_#!{{deps.perl.org.prefix}}/bin/perl_' nl.pl
      working-directory: ntpdc
    - ./configure
      --disable-debug
      --disable-dependency-tracking
      --disable-silent-rules
      --prefix={{prefix}}
      --with-openssl-libdir={{deps.openssl.org.prefix}}/lib
      --with-openssl-incdir={{deps.openssl.org.prefix}}/include
      --with-net-snmp-config=no
    - run: LDADD_LIBNTP="-undefined dynamic_lookup $LDADD_LIBNTP"
      if: darwin
    - make install LDADD_LIBNTP="$LDADD_LIBNTP"
  env:
    LDADD_LIBNTP: -lresolv
    linux:
      # conftest.c:166:16: error: incompatible pointer to integer conversion passing 'void *' to parameter of type 'pthread_t' (aka 'unsigned long') [-Wint-conversion]
      CFLAGS: $CFLAGS -Wno-int-conversion

provides:
  darwin:
    - bin/ntpq
    - bin/sntp
    - bin/ntp-keygen
    - sbin/ntp-wait
    - sbin/ntpd
    - sbin/ntpdate
    - sbin/ntpdc
    - sbin/ntptime
    - sbin/ntptrace
    - sbin/update-leap
  linux:
    - bin/ntpq
    - bin/sntp
    - bin/ntp-keygen
    - bin/ntp-wait
    - bin/ntpd
    - bin/ntpdate
    - bin/ntpdc
    - bin/ntptime
    - bin/ntptrace
    - bin/update-leap

test: |
  if ! ntpdate -bq pool.ntp.org; then
    (ntpdate -bq pool.ntp.org 2>&1 || true) | grep 'no server suitable for synchronization found'
  fi