From 6f265407392a9740c45c935aedeaa16e808e6b07 Mon Sep 17 00:00:00 2001
From: midipix <writeonce@midipix.org>
Date: Fri, 3 Jan 2020 23:57:22 +0000
Subject: build system: config.log: initial implementation.

---
 configure | 34 ++++++++++++++++++++++++++++++++--
 1 file changed, 32 insertions(+), 2 deletions(-)

(limited to 'configure')

diff --git a/configure b/configure
index 607a974..1ce2ee8 100755
--- a/configure
+++ b/configure
@@ -52,6 +52,8 @@ output_step_prolog()
 	mb_line_dots="${mb_line_dots}${mb_line_dots}"
 	mb_step_desc="${mb_package} : ${1##*/} : ${2}() "
 	mb_step_dlen="$((${#mb_line_dots} - ${#mb_step_desc}))"
+
+	printf "configure step: ${2}()\n" >&3
 	printf "%s%${mb_step_dlen}.${mb_step_dlen}s " "${mb_step_desc}" "${mb_line_dots}"
 }
 
@@ -64,6 +66,8 @@ output_script_status()
 {
 	mb_step_name="${1##*/} : ${2}"
 	mb_step_desc="${mb_package} : ${mb_step_name}"
+
+	printf "configure info: ${2}\n" >&3
 	printf "%s\n" "${mb_step_desc}"
 }
 
@@ -87,6 +91,20 @@ verify_safe_path()
 	esac
 }
 
+init_log()
+{
+	exec 3> config.log
+
+	printf "This is config.log, generated by sofort's configure script.\n\n" >&3
+	printf '$ %s' "$mb_script" >&3
+
+	for arg in $mb_args; do
+		printf ' %s' "$arg" >&3
+	done
+
+	printf '\n\n' >&3
+}
+
 init_vars()
 {
 	mb_project_dir=$(cd -- "${mb_script%/*}/" ; pwd -P)
@@ -506,7 +524,7 @@ config_custom()
 	if [ _$mb_use_custom_cfgdefs = _yes ]; then
 		output_section_break
 		output_script_status ${mb_script} \
-			'invoking project-specific cfgdefs.sh ==>'
+			'invoking project-specific cfgdefs.sh'
 
 		eval . $mb_project_dir/project/config/cfgdefs.sh \
 			"$mb_custom_cfgdefs_args"
@@ -518,7 +536,7 @@ config_custom()
 	if [ _$mb_use_custom_usrdefs = _yes ]; then
 		output_section_break
 		output_script_status ${mb_scirpt} \
-			'invoking project-specific usrdefs.sh ==>'
+			'invoking project-specific usrdefs.sh'
 
 		. $mb_project_dir/project/usrdefs.sh
 		output_section_break
@@ -574,6 +592,8 @@ config_failure()
 		return 0
 	fi
 
+	printf 'configure info: exiting due to an error.\n' >&3
+
 	if [ -f Makefile ]; then
 		mb_error='failed to use the generated Makefile.'
 		printf '\n%s: error: %s\n' "${0}" "$mb_error" >&2
@@ -593,6 +613,16 @@ config_success()
 
 
 # one: init
+mb_args=
+mb_args_space=
+
+for arg ; do
+	mb_escaped_arg=\'$(printf '%s\n' "$arg" | sed -e "s/'/'\\\\''/g")\'
+	mb_args="$mb_args$mb_args_space$mb_escaped_arg"
+	mb_args_space=' '
+done
+
+init_log
 init_vars
 verify_build_directory
 
-- 
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