autotools: CONFIG_SHELL defaults

Do not hard-code default shell to /bin/bash even if CONFIG_SHELL is already
set to other shell, but keep /bin/bash as a default. This will fix a shadow
issue, where CONFIG_SHELL is exported to /bin/sh, but /bin/bash is used
even if it's not installed.

(From OE-Core rev: 019d9128af813cb87b702ae10aa630c79fc24c00)

Signed-off-by: Andrej Kozemcak <andrej.kozemcak@siemens.com>
Signed-off-by: Andrej Valek <andrej.valek@siemens.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/meta/classes/autotools.bbclass b/meta/classes/autotools.bbclass
index 70804b82b4..2ceb790b5c 100644
--- a/meta/classes/autotools.bbclass
+++ b/meta/classes/autotools.bbclass
@@ -90,7 +90,7 @@ oe_runconf () {
         cfgscript=`python3 -c "import os; print(os.path.relpath(os.path.dirname('${CONFIGURE_SCRIPT}'), '.'))"`/$cfgscript_name
         if [ -x "$cfgscript" ] ; then
                 bbnote "Running $cfgscript ${CONFIGUREOPTS} ${EXTRA_OECONF} $@"
-                if ! CONFIG_SHELL=/bin/bash ${CACHED_CONFIGUREVARS} $cfgscript ${CONFIGUREOPTS} ${EXTRA_OECONF} "$@"; then
+                if ! CONFIG_SHELL=${CONFIG_SHELL-/bin/bash} ${CACHED_CONFIGUREVARS} $cfgscript ${CONFIGUREOPTS} ${EXTRA_OECONF} "$@"; then
                         bbnote "The following config.log files may provide further information."
                         bbnote `find ${B} -ignore_readdir_race -type f -name config.log`
                         bbfatal_log "configure failed"