missed buildinfo.sh

source/doc/buildinfo.sh

+#!/bin/sh
+# $Id: buildinfo.sh 51449 2019-06-24 22:12:32Z karl $
+# Public domain. Report basics of current system; run from top-level
+# Makefile so any make overrides will be taken into account. (And from
+# Build.) buildenv.log with full environment dump is also created.
+
+do_config_status=true
+if test "x$1" = x--no-config-status; then
+  shift
+  do_config_status=false
+fi
+
+printf 'UNAME\t"%s"\n'    "`uname -a`"
+
+# /etc/issue often contains only placeholders, so don't bother with it.
+
+# Return version identification for $1, by calling it with --version.
+# gcc on Macs, when linked to cc, has a useless "Configured with:" as
+# the first line. Likely we'll need to generalize for other compilers.
+# We intentionally don't quote $1 in case CC was set to something like
+# "cc --someopt".
+compiler_version () {
+  $1 --version 2>&1 | grep -v '^Configured' | sed 1q
+}
+
+printf 'MAKE\t"%s"\n'     "${MAKE-make}"
+printf 'MAKE-v\t"%s"\n'   "`${MAKE-make} -v 2>&1 | sed 1q`"
+# BSD make does not give version info with -v, but the
+# first line of the usage message is sort of an identifier.
+
+# our configure defaults to using gcc and g++, so we will too.
+printf 'CC\t"%s"\n'       "${CC-gcc}"
+printf 'CFLAGS\t"%s"\n'   "${CFLAGS}"
+printf 'CC-v\t"%s"\n'     "`compiler_version ${CC-gcc}`"
+# 
+printf 'CXX\t"%s"\n'      "${CXX-g++}"
+printf 'CXXFLAGS\t"%s"\n' "${CXXFLAGS}"
+printf 'CXX-v\t"%s"\n'    "`compiler_version ${CXX-g++}`"
+#
+printf 'OBJCXX\t"%s"\n'      "${OBJCXX-cc}"
+printf 'OBJCXXFLAGS\t"%s"\n' "${OBJCXXFLAGS}"
+#
+printf 'LDFLAGS\t"%s"\n'  "${LDFLAGS}"
+
+# Some Linux-based systems provide this, but don't worry if not there.
+# Let's hope that other systems are sufficiently identified by uname,
+# don't feel like doing a big system-information hunt. But if we do:
+#   http://www.datadisk.co.uk/html_docs/misc/unix_commands.htm
+if test -n "`lsb_release -a 2>/dev/null`"; then
+  printf '\nLSB_RELEASE\n'
+  lsb_release -a 2>&1
+fi
+
+# the whole configure line and more, if requested.
+# (We want this from make, but not from Build.)
+$do_config_status \
+&& test -s config.status \
+&& (printf '\nCONFIG_STATUS\n'; ./config.status --version | sed -n '1,/^$/p')
+
+exit 0