diff options
Diffstat (limited to 'support')
| -rwxr-xr-x | support/scripts/br2-external | 115 |
1 files changed, 75 insertions, 40 deletions
diff --git a/support/scripts/br2-external b/support/scripts/br2-external index 281a0847b..d634e693c 100755 --- a/support/scripts/br2-external +++ b/support/scripts/br2-external @@ -1,9 +1,9 @@ #!/bin/bash set -e -# The name and location of the br2-external tree, once validated. -declare BR2_NAME -declare BR2_EXT +# The names and locations of the br2-external trees, once validated. +declare -a BR2_EXT_NAMES +declare -A BR2_EXT_PATHS # URL to manual for help in converting old br2-external trees. # Escape '#' so that make does not consider it a comment. @@ -26,13 +26,6 @@ main() { # Forget options; keep only positional args shift $((OPTIND-1)) - # Accept 0 or 1 br2-external tree. - if [ ${#} -gt 1 ]; then - error "only zero or one br2-external tree allowed.\n" - fi - - br2_ext="${1}" - case "${ofmt}" in mk|kconfig) ;; @@ -44,13 +37,14 @@ main() { exec >"${ofile}" - do_validate "${br2_ext}" + do_validate ${@//:/ } do_${ofmt} } -# Validates the br2-external tree passed as argument. Makes it cannonical -# and store it in global variable BR2_EXT. +# Validates the br2-external trees passed as arguments. Makes each of +# them canonical and store them in the global arrays BR2_EXT_NAMES +# and BR2_EXT_PATHS. # # Note: since this script is always first called from Makefile context # to generate the Makefile fragment before it is called to generate the @@ -59,14 +53,22 @@ main() { # snippet means that there were no error. # do_validate() { - local br2_ext="${1}" - local br2_name n + local br2_ext - # No br2-external tree is valid - if [ -z "${br2_ext}" ]; then + if [ ${#} -eq 0 ]; then + # No br2-external tree is valid return fi + for br2_ext in "${@}"; do + do_validate_one "${br2_ext}" + done +} + +do_validate_one() { + local br2_ext="${1}" + local br2_name n + if [ ! -d "${br2_ext}" ]; then error "'%s': no such file or directory\n" "${br2_ext}" fi @@ -88,6 +90,10 @@ do_validate() { error "'%s': name '%s' contains invalid chars: '%s'\n" \ "${br2_ext}" "${br2_name//\$/\$\$}" "${n//\$/\$\$}" fi + if [ -n "${BR2_EXT_PATHS["${br2_name}"]}" ]; then + error "'%s': name '%s' is already used in '%s'\n" \ + "${br2_ext}" "${br2_name}" "${BR2_EXT_PATHS["${br2_name}"]}" + fi if [ ! -f "${br2_ext}/external.mk" ]; then error "'%s/external.mk': no such file or directory\n" "${br2_ext}" fi @@ -95,51 +101,80 @@ do_validate() { error "'%s/Config.in': no such file or directory\n" "${br2_ext}" fi - BR2_NAME="${br2_name}" - BR2_EXT="$(cd "${br2_ext}"; pwd -P )" + # Register this br2-external tree + BR2_EXT_NAMES+=( "${br2_name}" ) + BR2_EXT_PATHS["${br2_name}"]="${br2_ext}" } # Generate the .mk snippet that defines makefile variables # for the br2-external tree do_mk() { + local br2_name br2_ext + printf '#\n# Automatically generated file; DO NOT EDIT.\n#\n' printf '\n' - printf 'BR2_EXTERNAL ?= %s\n' "${BR2_EXT}" - printf 'BR2_EXTERNAL_NAME = \n' - printf 'BR2_EXTERNAL_MK =\n' + # We can't use ${BR2_EXT_NAMES[@]} directly: it is not guaranteed + # to be in the order paths were added (because it is an associative + # array). So we need to iterate on BR2_EXT_NAMES, which is sorted + # in the order names were added (because it is an indexed array). + printf 'BR2_EXTERNAL ?=' + for br2_name in "${BR2_EXT_NAMES[@]}"; do + printf ' %s' "${BR2_EXT_PATHS["${br2_name}"]}" + done printf '\n' - if [ -z "${BR2_NAME}" ]; then + printf 'BR2_EXTERNAL_NAMES = \n' + printf 'BR2_EXTERNAL_DIRS = \n' + printf 'BR2_EXTERNAL_MKS = \n' + + if [ ${#BR2_EXT_NAMES[@]} -eq 0 ]; then + printf '\n' printf '# No br2-external tree defined.\n' return fi - printf 'BR2_EXTERNAL_NAME = %s\n' "${BR2_NAME}" - printf 'BR2_EXTERNAL_MK = %s/external.mk\n' "${BR2_EXT}" - printf 'BR2_EXTERNAL_%s_PATH = %s\n' "${BR2_NAME}" "${BR2_EXT}" + for br2_name in "${BR2_EXT_NAMES[@]}"; do + br2_ext="${BR2_EXT_PATHS["${br2_name}"]}" + printf '\n' + printf 'BR2_EXTERNAL_NAMES += %s\n' "${br2_name}" + printf 'BR2_EXTERNAL_%s_PATH = %s\n' "${br2_name}" "${br2_ext}" + printf 'BR2_EXTERNAL_DIRS += %s\n' "${br2_ext}" + printf 'BR2_EXTERNAL_MKS += %s/external.mk\n' "${br2_ext}" + done } # Generate the kconfig snippet for the br2-external tree. do_kconfig() { + local br2_name br2_ext + printf '#\n# Automatically generated file; DO NOT EDIT.\n#\n' printf '\n' - if [ -z "${BR2_NAME}" ]; then + if [ ${#BR2_EXT_NAMES[@]} -eq 0 ]; then printf '# No br2-external tree defined.\n' return fi - printf 'menu "User-provided options"\n' - printf '\n' - printf 'comment "%s (in %s)"\n' "${BR2_NAME}" "${BR2_EXT}" - printf '\n' - printf 'config BR2_EXTERNAL_%s_PATH\n' "${BR2_NAME}" - printf '\tstring\n' - printf '\tdefault "%s"\n' "${BR2_EXT}" - printf '\n' - printf 'source "$BR2_EXTERNAL_%s_PATH/Config.in"\n' "${BR2_NAME}" + printf 'menu "External options"\n' printf '\n' + + for br2_name in "${BR2_EXT_NAMES[@]}"; do + br2_ext="${BR2_EXT_PATHS["${br2_name}"]}" + if [ ${#BR2_EXT_NAMES[@]} -gt 1 ]; then + printf 'menu "%s"\n' "${br2_name}" + fi + printf 'comment "%s (in %s)"\n' "${br2_name}" "${br2_ext}" + printf 'config BR2_EXTERNAL_%s_PATH\n' "${br2_name}" + printf '\tstring\n' + printf '\tdefault "%s"\n' "${br2_ext}" + printf 'source "%s/Config.in"\n' "${br2_ext}" + if [ ${#BR2_EXT_NAMES[@]} -gt 1 ]; then + printf 'endmenu # %s\n' "${br2_name}" + fi + printf '\n' + done + printf "endmenu # User-provided options\n" } @@ -149,12 +184,12 @@ help() { ${my_name} <-m|-k> -o FILE PATH With -m, ${my_name} generates the makefile fragment that defines - variables related to the br2-external tree passed as positional - argument. + variables related to the br2-external trees passed as positional + arguments. With -k, ${my_name} generates the kconfig snippet to include the - configuration options specified in the br2-external tree passed - as positional argument. + configuration options specified in the br2-external trees passed + as positional arguments. Using -k and -m together is not possible. The last one wins. |