From 9d2842a58a294b1938708253af8adee23d1de95c Mon Sep 17 00:00:00 2001
From: Lucio Andrés Illanes Albornoz <lucio@lucioillanes.de>
Date: Mar 04 2020 19:31:39 +0000
Subject: subr/build_init.subr:build_init(): call buildp_init_prereqs() after buildp_init_getopts().

subr/build_init.subr:buildp_init_prereqs(): split from buildp_init_env().
etc/README.md: updated.

---

diff --git a/etc/README.md b/etc/README.md
index 0b53a1a..fb0ad89 100644
--- a/etc/README.md
+++ b/etc/README.md
@@ -62,7 +62,7 @@ Install the build-time dependencies listed in section [2.1](#21-build-time-depen
 clone this repository, and run the following command line:
 
 ```shell
-./build.sh -a nt64 -b release -D minipix,zipdist -P -v
+./build.sh -a nt64 -b release -P -v
 ```
 
 By default, the build will take place within ``${HOME}/midipix/nt64/release``
@@ -128,10 +128,10 @@ following hardware at minimum:
 * 7200 RPM SATA 3.1 HDD
 * 6 GB RAM
 
-| Target architecture | Build type | Distribution kinds selected | Average build time | Disk space required | Peak RAM usage |
-| ------------------- | ---------- | --------------------------- | ------------------ | ------------------- | -------------- |
-| nt64                | debug      | (none)                      | 2 hours            | 57.60 GB            | ? GB           |
-| nt64                | release    | (none)                      | 1 hours 45 minutes | 35.16 GB            | 1.52 GB        |
+| Target architecture | Build type | Distribution kinds selected | Average build time | Disk space required |
+| ------------------- | ---------- | --------------------------- | ------------------ | ------------------- |
+| nt64                | debug      | (none)                      | 2 hours            | 57.60 GB            |
+| nt64                | release    | (none)                      | 1 hours 45 minutes | 35.16 GB            |
 
 Package archive files and/or Git repositories additionally consume at least
 1.70 GB.
diff --git a/subr/build_init.subr b/subr/build_init.subr
index b5867fb..7d52d9b 100644
--- a/subr/build_init.subr
+++ b/subr/build_init.subr
@@ -72,32 +72,14 @@ buildp_init_defaults() {
 };
 
 buildp_init_env() {
-	local _cmd="" _cmds_missing="" _fname="" _rc=0; _status="";
+	local _fname="" _rc=0; _status="";
 	if ! cd "$(dirname "${0}")" || ! umask 022; then
 		printf "Error: failed to setup environment.\n"; exit 1;
 	else	for _fname in $(find subr -name *.subr); do
 			if ! . "${_fname}"; then
 				printf "Error: failed to source \`%s'.\n" "${_fname}"; exit 1;
 			fi;
-		done;
-		for _cmd in	\
-				awk bunzip2 cat chmod cmake cp date find flock g++	\
-				gcc git grep gunzip gzip hostname install kill		\
-				ln lzip make mkdir mkfifo mv paste patch perl		\
-				pgrep pkill printf readlink rm sed seq sha256sum	\
-				sort stat tail tar test touch tr wget xz zip; do
-			if ! which "${_cmd}" >/dev/null 2>&1; then
-				_cmds_missing="${_cmds_missing:+${_cmds_missing} }${_cmd}";
-			fi;
-		done;
-		if [ -n "${_cmds_missing}" ]; then
-			_rc=1; _status="Error: missing prerequisite package(s): ${_cmds_missing}";
-		elif ! awk -V 2>/dev/null | grep -q "^GNU Awk "; then
-			_rc=1; _status="Error: awk(1) in \$PATH must be GNU Awk.";
-		elif ! sed --version 2>/dev/null | grep -q "^GNU sed "; then
-			_rc=1; _status="Error: sed(1) in \$PATH must be GNU sed.";
-		fi;
-	fi;
+		done; fi;
 	return "${_rc}";
 };
 
@@ -179,6 +161,28 @@ buildp_init_getopts() {
 	return "${_rc}";
 };
 
+buildp_init_prereqs() {
+	local _cmd="" _cmds_missing="" _rc=0; _status="";
+	for _cmd in	\
+			awk bunzip2 cat chmod cmake cp date find flock g++	\
+			gcc git grep gunzip gzip hostname install kill		\
+			ln lzip make mkdir mkfifo mv paste patch perl		\
+			pgrep pkill printf readlink rm sed seq sha256sum	\
+			sort stat tail tar test touch tr wget xz zip; do
+		if ! which "${_cmd}" >/dev/null 2>&1; then
+			_cmds_missing="${_cmds_missing:+${_cmds_missing} }${_cmd}";
+		fi;
+	done;
+	if [ -n "${_cmds_missing}" ]; then
+		_rc=1; _status="Error: missing prerequisite package(s): ${_cmds_missing}";
+	elif ! awk -V 2>/dev/null | grep -q "^GNU Awk "; then
+		_rc=1; _status="Error: awk(1) in \$PATH must be GNU Awk.";
+	elif ! sed --version 2>/dev/null | grep -q "^GNU sed "; then
+		_rc=1; _status="Error: sed(1) in \$PATH must be GNU sed.";
+	fi;
+	return "${_rc}";
+};
+
 buildp_init_vars() {
 	local _default_build_groups="" _fname="" _group="" _groups="" _rc=0; _status="";
 	if ! rtl_lmatch "${ARCH}" "nt32 nt64"; then
@@ -250,6 +254,7 @@ build_init() {
 	if ! buildp_init_env		\
 	|| ! buildp_init_defaults	\
 	|| ! buildp_init_getopts "${@}"	\
+	|| ! buildp_init_prereqs	\
 	|| ! buildp_init_vars		\
 	|| ! buildp_init_args		\
 	|| ! buildp_init_files; then