143 lines
3.8 KiB
Bash
143 lines
3.8 KiB
Bash
#!/usr/bin/env bash
|
|
#
|
|
|
|
_init() {
|
|
|
|
shopt -s extglob
|
|
|
|
## Minimum required versions for build dependencies
|
|
GIT_VERSION="1.0"
|
|
GO_VERSION="1.16"
|
|
OSX_VERSION="10.8"
|
|
KNAME=$(uname -s)
|
|
ARCH=$(uname -m)
|
|
case "${KNAME}" in
|
|
SunOS )
|
|
ARCH=$(isainfo -k)
|
|
;;
|
|
esac
|
|
}
|
|
|
|
## FIXME:
|
|
## In OSX, 'readlink -f' option does not exist, hence
|
|
## we have our own readlink -f behavior here.
|
|
## Once OSX has the option, below function is good enough.
|
|
##
|
|
## readlink() {
|
|
## return /bin/readlink -f "$1"
|
|
## }
|
|
##
|
|
readlink() {
|
|
TARGET_FILE=$1
|
|
|
|
cd `dirname $TARGET_FILE`
|
|
TARGET_FILE=`basename $TARGET_FILE`
|
|
|
|
# Iterate down a (possible) chain of symlinks
|
|
while [ -L "$TARGET_FILE" ]
|
|
do
|
|
TARGET_FILE=$(env readlink $TARGET_FILE)
|
|
cd `dirname $TARGET_FILE`
|
|
TARGET_FILE=`basename $TARGET_FILE`
|
|
done
|
|
|
|
# Compute the canonicalized name by finding the physical path
|
|
# for the directory we're in and appending the target file.
|
|
PHYS_DIR=`pwd -P`
|
|
RESULT=$PHYS_DIR/$TARGET_FILE
|
|
echo $RESULT
|
|
}
|
|
|
|
## FIXME:
|
|
## In OSX, 'sort -V' option does not exist, hence
|
|
## we have our own version compare function.
|
|
## Once OSX has the option, below function is good enough.
|
|
##
|
|
## check_minimum_version() {
|
|
## versions=($(echo -e "$1\n$2" | sort -V))
|
|
## return [ "$1" == "${versions[0]}" ]
|
|
## }
|
|
##
|
|
check_minimum_version() {
|
|
IFS='.' read -r -a varray1 <<< "$1"
|
|
IFS='.' read -r -a varray2 <<< "$2"
|
|
|
|
for i in "${!varray1[@]}"; do
|
|
if [[ ${varray1[i]} -lt ${varray2[i]} ]]; then
|
|
return 0
|
|
elif [[ ${varray1[i]} -gt ${varray2[i]} ]]; then
|
|
return 1
|
|
fi
|
|
done
|
|
|
|
return 0
|
|
}
|
|
|
|
assert_is_supported_arch() {
|
|
case "${ARCH}" in
|
|
x86_64 | amd64 | aarch64 | ppc64le | arm* | s390x )
|
|
return
|
|
;;
|
|
*)
|
|
echo "Arch '${ARCH}' is not supported. Supported Arch: [x86_64, amd64, aarch64, ppc64le, arm*, s390x]"
|
|
exit 1
|
|
esac
|
|
}
|
|
|
|
assert_is_supported_os() {
|
|
case "${KNAME}" in
|
|
Linux | FreeBSD | OpenBSD | NetBSD | DragonFly | SunOS )
|
|
return
|
|
;;
|
|
Darwin )
|
|
osx_host_version=$(env sw_vers -productVersion)
|
|
if ! check_minimum_version "${OSX_VERSION}" "${osx_host_version}"; then
|
|
echo "OSX version '${osx_host_version}' is not supported. Minimum supported version: ${OSX_VERSION}"
|
|
exit 1
|
|
fi
|
|
return
|
|
;;
|
|
*)
|
|
echo "OS '${KNAME}' is not supported. Supported OS: [Linux, FreeBSD, OpenBSD, NetBSD, Darwin, DragonFly]"
|
|
exit 1
|
|
esac
|
|
}
|
|
|
|
assert_check_golang_env() {
|
|
if ! which go >/dev/null 2>&1; then
|
|
echo "Cannot find go binary in your PATH configuration, please refer to Go installation document at https://golang.org/doc/install"
|
|
exit 1
|
|
fi
|
|
|
|
installed_go_version=$(go version | sed 's/^.* go\([0-9.]*\).*$/\1/')
|
|
if ! check_minimum_version "${GO_VERSION}" "${installed_go_version}"; then
|
|
echo "Go runtime version '${installed_go_version}' is unsupported. Minimum supported version: ${GO_VERSION} to compile."
|
|
exit 1
|
|
fi
|
|
}
|
|
|
|
assert_check_deps() {
|
|
# support unusual Git versions such as: 2.7.4 (Apple Git-66)
|
|
installed_git_version=$(git version | perl -ne '$_ =~ m/git version (.*?)( |$)/; print "$1\n";')
|
|
if ! check_minimum_version "${GIT_VERSION}" "${installed_git_version}"; then
|
|
echo "Git version '${installed_git_version}' is not supported. Minimum supported version: ${GIT_VERSION}"
|
|
exit 1
|
|
fi
|
|
}
|
|
|
|
main() {
|
|
## Check for supported arch
|
|
assert_is_supported_arch
|
|
|
|
## Check for supported os
|
|
assert_is_supported_os
|
|
|
|
## Check for Go environment
|
|
assert_check_golang_env
|
|
|
|
## Check for dependencies
|
|
assert_check_deps
|
|
}
|
|
|
|
_init && main "$@"
|