Implements extended -r syntax.

build.sh:buildp_ast(): only reset package build step state if ${ARG_RESET_PKG} is 1.
etc/{build.usage,README.md}: updated.
etc/build.usage.short, subr/build_init.subr: implement short help screen.
midipix.env: correctly escape multi-line variable assignment expressions.
subr.rtl/rtl_list.subr: updated.
subr.rtl/rtl_state.subr:rtl_state_set(): correctly implement invalidation.
subr.rtl/rtl_state.subr:rtl_state_test(): honour `LAST'.
subr/build_init.subr:buildp_init_getopts(): implements --reset-pkg.
subr/build_init.subr:buildp_{expand_restart_{at,recursive},process_restart_spec}(): initial implementation.
subr/ex_pkg_{dispatch,env}.subr: updated.
subr/ex_pkg_exec.subr:ex_pkg_exec(): honour `ALL' and `LAST'.
vars/gcc.vars: updated.

1 files changed, 22 insertions, 22 deletions

diff --git a/vars/gcc.vars b/vars/gcc.vars
index 50794c93..6aa9cb39 100644
--- a/vars/gcc.vars
+++ b/vars/gcc.vars
@@ -10,7 +10,7 @@
 pkgp_gcc_build_dir() { PKG_BUILD_DIR="${1}-${2}-${PKG_TARGET}"; };
 pkgp_gcc_state_set() {
 	printf "step unknown %s %s\n" "${PKG_NAME}" "${1}" >&3;
-	ex_pkg_state_set "${PKG_NAME}" ${1} -${2};
+	ex_pkg_state_set "${PKG_NAME}" "${1}" "${2}";
 };
 
 pkgp_gcc_configure() {
@@ -41,7 +41,7 @@ pkgp_gcc_configure() {
 			--with-fpmath=sse; then
 		return 1;
 	else
-		pkgp_gcc_state_set "configure" -"build";
+		pkgp_gcc_state_set "configure" "build";
 	fi;
 };
 
@@ -130,14 +130,14 @@ pkgp_gcc_stage1_all() {
 				"cbb-gcc-${PKG_VERSION}=${PKG_GITROOT}/cbb/cbb-gcc-${PKG_VERSION}"; then
 			return 1;
 		else
-			pkgp_gcc_state_set "fetch" -"patch";
+			pkgp_gcc_state_set "fetch" "patch";
 		fi;
 	fi;
 	if ! ex_pkg_state_test "${PKG_NAME}" patch "${_restart_at}"; then
 		if [ -e "${MIDIPIX_BUILD_PWD}/patches/${PKG_NAME}.local.patch" ]; then
 			patch -b -d "${PKG_BASE_DIR}" -p0 < "${MIDIPIX_BUILD_PWD}/patches/${PKG_NAME}.local.patch" || return 1;
 		fi;
-		pkgp_gcc_state_set "patch" -"configure";
+		pkgp_gcc_state_set "patch" "configure";
 	fi;
 	pkgp_gcc_setup_vars; pkgp_gcc_setup_env;
 	if ! ex_pkg_state_test "${PKG_NAME}" configure "${_restart_at}"; then
@@ -179,11 +179,11 @@ pkgp_gcc_stage1_all() {
 	fi;
 	if ! ex_pkg_state_test "${PKG_NAME}" build "${_restart_at}"; then
 		make ${PKG_MAKEFLAGS_BUILD} "all-gcc" || return 1;
-		pkgp_gcc_state_set "build" -"install_subdirs";
+		pkgp_gcc_state_set "build" "install_subdirs";
 	fi;
 	if ! ex_pkg_state_test "${PKG_NAME}" install_subdirs "${_restart_at}"; then
 		pkg_install_subdirs || return 1;
-		pkgp_gcc_state_set "install_subdirs" -"install_make";
+		pkgp_gcc_state_set "install_subdirs" "install_make";
 	fi;
 	if ! ex_pkg_state_test "${PKG_NAME}" install_make "${_restart_at}"; then
 		case "${PKG_NAME}" in
@@ -203,12 +203,12 @@ pkgp_gcc_stage1_all() {
 					return 1;
 				fi; ;;
 			esac;
-			pkgp_gcc_state_set "install_make" -"install";
+			pkgp_gcc_state_set "install_make" "install";
 		fi;
 	fi;
 	if ! ex_pkg_state_test "${PKG_NAME}" install "${_restart_at}"; then
 		pkg_install || return 1;
-		pkgp_gcc_state_set "install" -"finish";
+		pkgp_gcc_state_set "install" "finish";
 	fi;
 };
 
@@ -227,14 +227,14 @@ pkg_gcc_full_all() {
 				"cbb-gcc-${PKG_VERSION}=${PKG_GITROOT}/cbb/cbb-gcc-${PKG_VERSION}"; then
 			return 1;
 		else
-			pkgp_gcc_state_set "fetch" -"patch";
+			pkgp_gcc_state_set "fetch" "patch";
 		fi;
 	fi;
 	if ! ex_pkg_state_test "${PKG_NAME}" patch "${_restart_at}"; then
 		if [ -e "${MIDIPIX_BUILD_PWD}/patches/${PKG_NAME}.local.patch" ]; then
 			patch -b -d "${PKG_BASE_DIR}" -p0 < "${MIDIPIX_BUILD_PWD}/patches/${PKG_NAME}.local.patch" || return 1;
 		fi;
-		pkgp_gcc_state_set "patch" -"configure";
+		pkgp_gcc_state_set "patch" "configure";
 	fi;
 	pkgp_gcc_setup_vars; pkgp_gcc_setup_env;
 	if ! ex_pkg_state_test "${PKG_NAME}" configure "${_restart_at}"; then
@@ -264,16 +264,16 @@ pkg_gcc_full_all() {
 		|| ! make ${PKG_MAKEFLAGS_BUILD} "all-target-libgfortran"\
 		|| ! make ${PKG_MAKEFLAGS_BUILD} "all"; then
 			return 1;
-		else	pkgp_gcc_state_set "build" -"install_subdirs";
+		else	pkgp_gcc_state_set "build" "install_subdirs";
 		fi;
 	fi;
 	if ! ex_pkg_state_test "${PKG_NAME}" install_subdirs "${_restart_at}"; then
 		pkg_install_subdirs || return 1;
-		pkgp_gcc_state_set "install_subdirs" -"install_make";
+		pkgp_gcc_state_set "install_subdirs" "install_make";
 	fi;
 	if ! ex_pkg_state_test "${PKG_NAME}" install_make "${_restart_at}"; then
 		make ${PKG_MAKEFLAGS_BUILD} "prefix=${PKG_DESTDIR}" "install" || return 1;
-		pkgp_gcc_state_set "install_make" -"install";
+		pkgp_gcc_state_set "install_make" "install";
 	fi;
 	if ! ex_pkg_state_test "${PKG_NAME}" install "${_restart_at}"; then
 		pkg_install || return 1; pkgp_gcc_state_set "install" "finish";
@@ -288,15 +288,15 @@ pkg_gcc_full_host_all() {
 		return 1;
 	else	if ! ex_pkg_state_test "${PKG_NAME}" build "${_restart_at}"; then
 			make ${PKG_MAKEFLAGS_BUILD} || return 1;
-			pkgp_gcc_state_set "build" -"install_subdirs";
+			pkgp_gcc_state_set "build" "install_subdirs";
 		fi;
 		if ! ex_pkg_state_test "${PKG_NAME}" install_subdirs "${_restart_at}"; then
 			pkg_install_subdirs || return 1;
-			pkgp_gcc_state_set "install_subdirs" -"install_make";
+			pkgp_gcc_state_set "install_subdirs" "install_make";
 		fi;
 		if ! ex_pkg_state_test "${PKG_NAME}" install_make "${_restart_at}"; then
 			make ${PKG_MAKEFLAGS_BUILD} "prefix=${PKG_DESTDIR}" "install" || return 1;
-			pkgp_gcc_state_set "install_make" -"install";
+			pkgp_gcc_state_set "install_make" "install";
 		fi;
 		if ! ex_pkg_state_test "${PKG_NAME}" install "${_restart_at}"; then
 			pkg_install || return 1;
@@ -313,15 +313,15 @@ pkg_gcc_libstdcpp_v3_host_all() {
 		return 1;
 	else	if ! ex_pkg_state_test "${PKG_NAME}" build "${_restart_at}"; then
 			make ${PKG_MAKEFLAGS_BUILD} "all-target-libstdc++-v3" || return 1;
-			pkgp_gcc_state_set "build" -"install_subdirs";
+			pkgp_gcc_state_set "build" "install_subdirs";
 		fi;
 		if ! ex_pkg_state_test "${PKG_NAME}" install_subdirs "${_restart_at}"; then
 			pkg_install_subdirs || return 1;
-			pkgp_gcc_state_set "install_subdirs" -"install_make";
+			pkgp_gcc_state_set "install_subdirs" "install_make";
 		fi;
 		if ! ex_pkg_state_test "${PKG_NAME}" install_make "${_restart_at}"; then
 			make ${PKG_MAKEFLAGS_BUILD} "prefix=${PKG_DESTDIR}" "install-target-libstdc++-v3" || return 1;
-			pkgp_gcc_state_set "install_make" -"install";
+			pkgp_gcc_state_set "install_make" "install";
 		fi;
 		if ! ex_pkg_state_test "${PKG_NAME}" install "${_restart_at}"; then
 			pkg_install || return 1;
@@ -338,15 +338,15 @@ pkg_gcc_runtime_host_all() {
 		return 1;
 	else	if ! ex_pkg_state_test "${PKG_NAME}" build "${_restart_at}"; then
 			make ${PKG_MAKEFLAGS_BUILD} "all-target-libgcc" ${_vis_hide} || return 1;
-			pkgp_gcc_state_set "build" -"install_subdirs";
+			pkgp_gcc_state_set "build" "install_subdirs";
 		fi;
 		if ! ex_pkg_state_test "${PKG_NAME}" install_subdirs "${_restart_at}"; then
 			pkg_install_subdirs || return 1;
-			pkgp_gcc_state_set "install_subdirs" -"install_make";
+			pkgp_gcc_state_set "install_subdirs" "install_make";
 		fi;
 		if ! ex_pkg_state_test "${PKG_NAME}" install_make "${_restart_at}"; then
 			make ${PKG_MAKEFLAGS_BUILD} "prefix=${PKG_DESTDIR}" "install-target-libgcc" || return 1;
-			pkgp_gcc_state_set "install_make" -"install";
+			pkgp_gcc_state_set "install_make" "install";
 		fi;
 		if ! ex_pkg_state_test "${PKG_NAME}" install "${_restart_at}"; then
 			pkg_install || return 1;