diff --git a/configure.ac b/configure.ac index 85fec77a..ecacb8ab 100644 --- a/configure.ac +++ b/configure.ac @@ -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 \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 \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