diff options
Diffstat (limited to 'configure')
| -rwxr-xr-x | configure | 95 |
1 files changed, 61 insertions, 34 deletions
@@ -9,21 +9,45 @@ DATE=$(date +%Y%m%d) # - awk must be GNU awk # - makeinfo for building docs, even if discarded later on # - others obvious... :-/ +# +# Format of a pattern to check for, one per line: +# pattern := tool_test OR pattern|tool_test +# tool_test := tool/regexp +# tool := name of the tool OR absolute pathname to the tool +# regexp := valid grep(1) extended regular expression OR empty +# +# In case a pattern list is given (eg foo|bar|buz), then tests are performed +# from left to right, stopping at the first matching test (like the shell +# would parse 'foo || bar || buz' ). +# +# Examples: +# /bin/bash/^GNU bash, version 3\. +# will ensure that /bin/bash exists, and that $(/bin/bash --version) +# matches the regexp '^GNU bash, version 3\.' +# autoconf/(GNU Autoconf)|autoconf2.50/ +# will ensure that: +# - 'autoconf' is to be found in the PATH, and that $(autoconf +# --version) matches the regexp '(GNU Autoconf)' (which btw is +# the signature of autoconf >= 2.50), +# OR that: +# - 'autoconf2.50' is to be found in the PATH +# TOOLS_TO_CHECK=' /bin/bash/^GNU bash, version 3\. make/^GNU Make -gcc +gcc/ awk/^GNU Awk -sed -bison -flex -makeinfo -automake -libtool -patch -tar -gzip -bzip2 +sed/ +bison/ +flex/ +makeinfo/ +autoconf/(GNU Autoconf)|autoconf-2.50/|autoconf2.50/ +automake/ +libtool/ +patch/ +tar/ +gzip/ +bzip2/ ' PREFIX_DEFAULT=/usr/local @@ -46,30 +70,33 @@ do_error() { } # A small function to test for existence of various tools -# Usage: has_or_abort foobar -# -> foobar must exist in PATH or be an exiting fully qualified file name -# Usage: has_or_abort foobar/string -# -> foobar must exist in PATH or be an existing FQFN, and $(foobar --version) must contain 'string' +# Usage: has_or_abort test_pattern (see top of file, TOOLS_TO_CHECK, for +# complete pattern format) has_or_abort() { - tool="${1%/*}" - regexp="${1##*/}" - printf "Checking for '${tool}'... " - where=$(which "${tool}" 2>/dev/null || true) - if [ -z "${where}" ]; then - printf "not found!" - [ ${FORCE} -eq 0 ] && do_error " Bailing out..." - echo - else - printf "${where}" - if [ -n "${regexp}" ]; then - str=$(${tool} --version 2>&1 |egrep "${regexp}" |head -n 1) - if [ -z "${str}" ]; then - printf " failed: '${tool} --version' does not match regexp '${regexp}'." - [ ${FORCE} -eq 0 ] && do_error " Bailing out..." - fi - fi - echo - fi + { IFS="|"; for item in ${1}; do + tool="${item%/*}" + regexp="${item##*/}" + printf "Checking for '${tool}'... " + where=$(which "${tool}" 2>/dev/null || true) + if [ -z "${where}" ]; then + echo "not found" + where= + continue + else + if [ -n "${regexp}" ]; then + str=$(${tool} --version 2>&1 |grep -E "${regexp}" |head -n 1) + if [ -z "${str}" ]; then + echo "wrong version string" + where="" + continue + fi + fi + echo "${where}" + return 0 + fi + done; + } + [ ${FORCE} -eq 0 ] && do_error "Bailing out..." return 0 } |