[asterisk-bugs] [JIRA] (ASTERISK-27606) BuildSystem: declare -A assumes shell Bash.

[Alexander Traud (JIRA)]

Alexander Traud created ASTERISK-27606:
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             Summary: BuildSystem: declare -A assumes shell Bash.
                 Key: ASTERISK-27606
                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-27606
             Project: Asterisk
          Issue Type: Bug
      Security Level: None
          Components: Core/BuildSystem
    Affects Versions: 15.2.0, 13.19.0
         Environment: OpenBSD 6.2
FreeBSD 11.1
            Reporter: Alexander Traud
            Severity: Minor


Makefiles specify which shell they are going to start in the environment. That shell then executes the commands within the Makefile. Normally, this shell is _sh_, which is the default shell of the platform. Some scripts within Asterisk require the specific shell _bash_, for example the script {{./build_tools/download_externals}}. In that case, the header of the that script declares a shift to _bash_.

However, {{./Makefile.moddir_rules}} uses {{declare -A}}. The parameter A is not available in all shells, for example this fails in the latest OpenBSD 6.2 and FreeBSD 11.1. That part of the script is guarded by a check for the shell _bash_. However, when {{declare -A}} is executed, the default shell has not shifted to _bash_ yet. Therefore {{declare -A}} fails.

In case of OpenBSD, Asterisk continues with {{gmake install}} and simply does not install any external module. In FreeBSD, {{gmake install}} fails, one has to uninstall _bash_ via {{pkg delete bash}} as root.

*Steps to reproduce*, for example in FreeBSD 11.1
# pkg install gmake
# pkg install libedit jansson e2fsprogs-libuuid sqlite3 libxml2
# fetch --no-verify-peer http://downloads.asterisk.org/pub/telephony/asterisk/asterisk-13-current.tar.gz
# tar \-zxf asterisk\-*
# cd asterisk-*
# ./configure --without-pjproject-bundled
# gmake
# gmake install



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