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Remove some bashisms from configure.ac

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"configure.ac" is used to generate "configure", which is supposed to be
run with /bin/sh (as suggested by the shebang line of "configure"). As a
result it is a good idea to remove any /bin/sh-incompatible syntax from
configure.ac. Otherwise, systems that do not use Bash as their /bin/sh
are unable to run "configure" due to syntax errors.
This commit is contained in:
Mateusz Piotrowski 2018-12-30 02:32:29 +01:00
parent ff342fc0c2
commit e8b0efdcc9
1 changed files with 11 additions and 6 deletions
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17
configure.ac
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@ -214,9 +214,11 @@ AC_SUBST(ENABLE_S3, [$enable_s3])
AC_LANG_POP(C++)
if test -n "$enable_s3"; then
declare -a aws_version_tokens=($(printf '#include <aws/core/VersionConfig.h>\nAWS_SDK_VERSION_STRING' | $CPP $CPPFLAGS - | grep -v '^#.*' | sed 's/"//g' | tr '.' ' '))
AC_DEFINE_UNQUOTED([AWS_VERSION_MAJOR], ${aws_version_tokens@<:@0@:>@}, [Major version of aws-sdk-cpp.])
AC_DEFINE_UNQUOTED([AWS_VERSION_MINOR], ${aws_version_tokens@<:@1@:>@}, [Minor version of aws-sdk-cpp.])
aws_version_tokens="$(printf '#include <aws/core/VersionConfig.h>\nAWS_SDK_VERSION_STRING' | $CPP $CPPFLAGS - | grep -v '^#.*' | sed 's/"//g' | tr '.' ' ')"
aws_major_version="$(awk -v ver="${aws_version_tokens}" '{print $1}')"
aws_minor_version="$(awk -v ver="${aws_version_tokens}" '{print $2}')"
AC_DEFINE_UNQUOTED([AWS_VERSION_MAJOR], ${aws_major_version}, [Major version of aws-sdk-cpp.])
AC_DEFINE_UNQUOTED([AWS_VERSION_MINOR], ${aws_minor_version}, [Minor version of aws-sdk-cpp.])
fi
@ -279,9 +281,12 @@ AC_SUBST(sandbox_shell)
test "$prefix" = NONE && prefix=$ac_default_prefix
test "$exec_prefix" = NONE && exec_prefix='${prefix}'
for name in $ac_subst_vars; do
declare $name="$(eval echo "${!name}")"
declare $name="$(eval echo "${!name}")"
declare $name="$(eval echo "${!name}")"
for _ in 1 2 3; do
if printf '%s' "${name}" | egrep '^[_[:alpha:]][_[:alnum:]]*$'
then
eval "${name}"="$(eval echo "\${${name}}")"
fi
done
done
rm -f Makefile.config