diff options
Diffstat (limited to 'comm/third_party/libgpg-error/src/gpgrt-config.in')
| -rw-r--r-- | comm/third_party/libgpg-error/src/gpgrt-config.in | 646 |
1 files changed, 646 insertions, 0 deletions
diff --git a/comm/third_party/libgpg-error/src/gpgrt-config.in b/comm/third_party/libgpg-error/src/gpgrt-config.in new file mode 100644 index 0000000000..0fe14e8bf2 --- /dev/null +++ b/comm/third_party/libgpg-error/src/gpgrt-config.in @@ -0,0 +1,646 @@ +#!@INSTALLSHELLPATH@ +# Copyright (C) 2018, 2021 g10 Code GmbH +# +# This file is free software; as a special exception the author gives +# unlimited permission to copy and/or distribute it, with or without +# modifications, as long as this notice is preserved. +# +# This file is distributed in the hope that it will be useful, but +# WITHOUT ANY WARRANTY, to the extent permitted by law; without even the +# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. +# SPDX-License-Identifier: FSFULLR + +#### start of functions for this script + +# +# Bourne shell functions for config file in pkg-config style, so that +# we can share such a config file between pkg-config and script +# + +# +# get_var: Get the variable value of NAME +# +# Variables are recorded in the shell variables named "VAR_<NAME>" +# +get_var () { + ___name=$1 + + eval echo \$VAR_$___name +} + +# +# get_attr: Get the attribute value of KEY +# +# Attributes are recorded in the shell variables named "ATTR_<KEY>" +# +get_attr () { + ___name=$1 + + eval echo \$ATTR_$___name +} + +# variant of get_attr for list (separated by ',') +get_attr_l () { + (IFS=', '; for x in "$(get_attr $1)"; do echo $x; done) +} + +# Remove ${varname} part in the beginning of a string. +remove_var_expr () { + ___varname=$1 + shift + + expr "$*" : "\${$___varname}\\(.*\\)" +} + +# Given a string, substitute variables. +substitute_vars () { + __string="$1" + __varname="" + __result="" + + while [ -n "$__string" ]; do + case "$__string" in + \$\$*) + __result="$__result\$" + __string="${__string#\$\$}" + ;; + \${*}*) + __varname="${__string#\$\{}" + __varname="${__varname%%\}*}" + __result="$__result$(get_var $__varname)" + __string=$(remove_var_expr $__varname $__string) + ;; + *) + __result="$__result$(printf %c "$__string")" + __string="${__string#$(printf %c "$__string")}" + ;; + esac + done + + echo "$__result" +} + +# +# Read a config from stdin +# +# Variables: +# For VAR=VALUE, value is stored in the shell variable VAR_*. +# +# Attributes: +# For KEY: VALUE, value is stored in the shell variable ATTR_*. +# +read_config_from_stdin () { + _filename=$1 + _line="" + _varname="" + _value="" + _key="" + _reading_attrs="" + + while read _line; do + if [ -z "$_line" ]; then + _reading_attrs=yes + continue + elif [ -z "$_reading_attrs" ]; then + case "$_line" in + *=*) + _varname="${_line%%=*}" + _value="${_line#*=}" + VAR_list="$VAR_list${VAR_list:+ }VAR_$_varname" + read VAR_$_varname <<EOF1 +$(substitute_vars "$_value") +EOF1 + continue + ;; + *) _reading_attrs=yes ;; + esac + fi + if [ -n "$_reading_attrs" ]; then + case "$_line" in + *:\ *) + _key="${_line%%:\ *}" + _value="${_line#*:\ }" + if expr "$_key" : ".*\..*" >/dev/null; then + _key="${_key%.*}_${_key#*.}" + fi + ATTR_list="$ATTR_list${ATTR_list:+ }ATTR_$_key" + read ATTR_$_key <<EOF2 +$(substitute_vars "$_value") +EOF2 + ;; + *:|*:\ ) ;; + *) + echo "Error reading $_filename: $_line" 1>&2 + exit 1 + ;; + esac + fi + done +} + + +find_file_in_path () { + _f=$1 + _p=$2 + _saved_IFS="$IFS" + _arg="" + IFS=":" # On Windows it should be ";"??? + + for _arg in $_p; do + if [ -r $_arg/$_f ]; then + RESULT="$_arg/$_f" + IFS="$_saved_IFS" + return 0 + fi + done + IFS="$_saved_IFS" + RESULT="" + return 1 +} + +read_config_file () { + if ! find_file_in_path $1.pc $2; then + if [ -z "$want_exists" ]; then + echo "Can't find $1.pc" 1>&2 + fi + exit 1 + fi + read_config_from_stdin $RESULT < $RESULT +} + +cleanup_vars_attrs () { + eval unset $VAR_list VAR_list + eval unset $ATTR_list ATTR_list +} + +not_listed_yet () { + ___m=$1 + ___arg="" + shift + + for ___arg; do + if [ $___m = $___arg ]; then + return 1 + fi + done + + return 0 +} + +list_only_once () { + __result="" + __arg="" + + for __arg; do + if not_listed_yet $__arg $__result; then + __result="$__result${__result:+ }$__arg" + fi + done + + echo $__result +} + +list_only_once_for_libs () { + __result="" + __rev_list="" + __arg="" + + # Scan the list and eliminate duplicates for non-"-lxxx" + # the resulted list is in reverse order + for __arg; do + case "$__arg" in + -l*) + # As-is + __rev_list="$__arg${__rev_list:+ }$__rev_list" + ;; + *) + if not_listed_yet $__arg $__rev_list; then + __rev_list="$__arg${__rev_list:+ }$__rev_list" + fi + ;; + esac + done + + # Scan again + for __arg in $__rev_list; do + case "$__arg" in + -l*) + if not_listed_yet $__arg $__result; then + __result="$__arg${__result:+ }$__result" + fi + ;; + *) + # As-is + __result="$__arg${__result:+ }$__result" + ;; + esac + done + + echo $__result +} + +arg1_is_same () { + [ "$1" = "=" -o "$1" = ">=" -o "$1" = "<=" ] +} + +arg1_is_less () { + [ "$1" = "!=" -o "$1" = "<" -o "$1" = "<=" ] +} + +arg1_is_great () { + [ "$1" = "!=" -o "$1" = ">" -o "$1" = ">=" ] +} + +# +# Evaluate comparison between versions in RPM way +# +eval_compare_version () { + ___str1="$1" + ___cmp="$2" + ___str2="$3" + ___char1="" + ___char2="" + ___chunk1="" + ___chunk2="" + + while [ -n "$___str1" -a -n "$___str2" ]; do + # Trim anything that's not alnum or tilde from the front + ___str1="$(expr "$___str1" : '[^0-9A-Za-z~]*\(.*\)')" + ___str2="$(expr "$___str2" : '[^0-9A-Za-z~]*\(.*\)')" + + # Get the first character + ___char1=${___str1%${___str1#?}} + ___char2=${___str2%${___str2#?}} + + if [ "$___char1" = ~ -o "$___char2" = ~ ]; then + if [ "$___char1" != ~ ]; then + arg1_is_great $___cmp + return + fi + if [ "$___char2" != ~ ]; then + arg1_is_less $___cmp + return + fi + ___str1=${___str1#~} + ___str2=${___str2#~} + continue + fi + + if [ -z "$___char1" -o -z "$___char2" ]; then + break + fi + + case "$___char1$___char2" in + [0-9][A-Za-z]) + arg1_is_great $___cmp + return + ;; + [A-Za-z][0-9]) + arg1_is_less $___cmp + return + ;; + [0-9][0-9]) + ___chunk1="$(expr "$___str1" : '\([0-9]*\)')" + ___chunk2="$(expr "$___str2" : '\([0-9]*\)')" + ;; + [A-Za-z][A-Za-z]) + ___chunk1="$(expr "$___str1" : '\([A-Za-z]*\)')" + ___chunk2="$(expr "$___str2" : '\([A-Za-z]*\)')" + ;; + esac + + # Compare chunks numerically if digits, or lexicographically + if expr "$___chunk1" "!=" "$___chunk2" >/dev/null; then + if expr "$___chunk1" ">" "$___chunk2" >/dev/null; then + arg1_is_great $___cmp + return + else + arg1_is_less $___cmp + return + fi + fi + + # Remove the chunk + ___str1="${___str1#$___chunk1}" + ___str2="${___str2#$___chunk2}" + done + + # Either STR1, STR2 or both is empty here + if [ -n "$___str1" ]; then + case "$___str1" in + ~*) arg1_is_less $___cmp ;; + *) arg1_is_great $___cmp ;; + esac + elif [ -n "$___str2" ]; then + case "$___str2" in + ~*) arg1_is_great $___cmp ;; + *) arg1_is_less $___cmp ;; + esac + else + arg1_is_same $___cmp + fi +} + +# +# Recursively solve package dependencies +# +# Result is in the PKG_LIST variable +# +all_required_config_files () { + all_list="" + new_list="" + p="" + pkg="" + cmp="" + + list=$* + while [ -n "$list" ]; do + for p in $list; do + if [ -z "$pkg" ]; then + pkg=$p + elif [ -z "$cmp" ]; then + case "$p" in + "="|"!="|"<"|">"|"<="|">=") cmp=$p ;; + *) + read_config_file $pkg $PKG_CONFIG_PATH + all_list="$all_list${all_list:+ }$pkg" + new_list="$new_list${new_list:+ }$(get_attr_l Requires)" + if [ -n "$enable_static" ]; then + new_list="$new_list${new_list:+ }$(get_attr_l Requires_private)" + fi + cleanup_vars_attrs + pkg=$p + ;; + esac + else + read_config_file $pkg $PKG_CONFIG_PATH + if ! eval_compare_version "$(get_attr Version)" $cmp $p; then + echo "Version mismatch for $pkg $cmp $p: $(get_attr Version)" 1>&2 + exit 1 + fi + all_list="$all_list${all_list:+ }$pkg" + new_list="$new_list${new_list:+ }$(get_attr_l Requires)" + if [ -n "$enable_static" ]; then + new_list="$new_list${new_list:+ }$(get_attr_l Requires_private)" + fi + cleanup_vars_attrs + pkg="" + cmp="" + fi + done + if [ -n "$cmp" ]; then + echo "No version after comparison operator ($cmp): $pkg" 1>&2 + exit 1 + elif [ -n "$pkg" ]; then + read_config_file $pkg $PKG_CONFIG_PATH + all_list="$all_list${all_list:+ }$pkg" + new_list="$new_list${new_list:+ }$(get_attr_l Requires)" + if [ -n "$enable_static" ]; then + new_list="$new_list${new_list:+ }$(get_attr_l Requires_private)" + fi + cleanup_vars_attrs + fi + + list="$new_list" + new_list="" + done + + PKG_LIST=$(list_only_once $all_list) +} + +# +# Modify -I or -L by PKG_CONFIG_SYSROOT_DIR variable +# +sysroot () { + _opt="$1" + _result="" + shift + + while [ $# -gt 0 ]; do + if [ $1 = $_opt ]; then + _result="$_result${_result:+ }$_opt" + shift + _result="$_result $PKG_CONFIG_SYSROOT_DIR$1" + elif expr "x$1" : "^x$_opt" >/dev/null; then + _result="$_result${_result:+ }$_opt$PKG_CONFIG_SYSROOT_DIR$(expr "x$1" : "^x$_opt\(.*\)")" + else + _result="$_result${_result:+ }$1" + fi + shift + done + echo "$_result" +} + +# Show usage +usage () { + cat <<EOF +Usage: gpgrt-config [--libdir=LIBDIR] [OPTIONS] MODULES +Options: + [--exists] + [--modversion] + [--libs] + [--cflags] + [--static] + [--variable=VARNAME] +EOF + exit $1 +} +#### end of functions for this script + +myname=${0##*/} +if [ $myname = gpgrt-config ]; then + default_module="gpg-error" +else + default_module=${myname%-config} +fi + +# First stage to process --libdir option + +libdir="" +while test $# -gt 0; do + case $1 in + --libdir=*) + libdir=${1#--libdir=} + shift + ;; + *) + break + ;; + esac +done + +if [ x"${PKG_CONFIG_LIBDIR:+set}" = xset -a -z "$PKG_CONFIG_LIBDIR" ]; then + # The variable set as empty, we use PKG_CONFIG_PATH in this case, + # ignoring --libdir option + if [ -z "$PKG_CONFIG_PATH" ]; then + echo "Please have valid PKG_CONFIG_PATH if PKG_CONFIG_LIBDIR is empty" 1>&2 + exit 1 + fi +else + if [ -n "$libdir" ]; then + # --libdir option is available, it overrides existing PKG_CONFIG_LIBDIR + PKG_CONFIG_LIBDIR=$libdir/pkgconfig + fi + if [ -z "$PKG_CONFIG_LIBDIR" ]; then + if [ -z "$PKG_CONFIG_PATH" ]; then + echo "Please use --libdir=LIBDIR option or set PKG_CONFIG_LIBDIR" 1>&2 + echo "Or set PKG_CONFIG_PATH" 1>&2 + exit 1 + fi + else + # PKG_CONFIG_LIBDIR is available here + # Modify PKG_CONFIG_PATH, prepending PKG_CONFIG_LIBDIR + PKG_CONFIG_PATH="$PKG_CONFIG_LIBDIR${PKG_CONFIG_PATH:+:}$PKG_CONFIG_PATH" + fi +fi +# PKG_CONFIG_PATH is ready here + +# + +if test $# -eq 0; then + usage 1 1>&2 +fi + + +# Second stage to do the main functionality + +module_list="" +want_var="" +want_attr="" +want_cflags="" +want_libs="" +want_exists="" +enable_static="" + +cflags="" +libs="" +mtcflags="" +mtlibs="" + +output="" + +mt="no" + +VAR_list=VAR_pc_sysrootdir +if [ -z "$PKG_CONFIG_SYSROOT_DIR" ]; then + VAR_pc_sysrootdir="/" +else + VAR_pc_sysrootdir="$PKG_CONFIG_SYSROOT_DIR" +fi + +while test $# -gt 0; do + case $1 in + #### pkg-config incompatible options: begin + --prefix) + # In future, use --variable=prefix instead. + want_var=prefix + ;; + --exec-prefix) + # In future, use --variable=exec_prefix instead. + want_var=exec_prefix + ;; + --version) + # In future, use --modversion instead. + want_attr=Version + ;; + --api-version) + # In future, use --variable=api_version instead. + want_var=api_version + ;; + --host) + # In future, use --variable=host instead. + want_var=host + ;; + --mt) + # In future, use --variable=mtcflags or --variable=mtlibs. + mt=yes + ;; + #### pkg-config incompatible options: end + --modversion) + want_attr=Version + ;; + --exists) + want_exists=yes + ;; + --cflags) + want_cflags=yes + ;; + --libs) + want_libs=yes + ;; + --static) + enable_static=yes + ;; + --variable=*) + want_var=${1#*=} + ;; + --help) + usage 0 + ;; + --*) + usage 1 1>&2 + ;; + *) + # Modules + module_list="$module_list${module_list:+ }$1" + ;; + esac + + shift +done + + +if [ -z "$module_list" ]; then + module_list=$default_module +elif expr "$module_list" : "=\|!=\|<\|>\|<=\|>=" >/dev/null; then + module_list="$default_module $module_list" +fi + +all_required_config_files $module_list + +for p in $PKG_LIST; do + read_config_file $p $PKG_CONFIG_PATH + # For want_var or want_attr, get it from the first package + if [ -n "$want_var" ]; then + output="$(get_var $want_var)" + break + elif [ -n "$want_attr" ]; then + output="$(get_attr $want_attr)" + break + else + cflags="$cflags${cflags:+ }$(get_attr Cflags)" + libs="$libs${libs:+ }$(get_attr Libs)" + if [ -n "$enable_static" ]; then + libs="$libs${libs:+ }$(get_attr Libs_private)" + fi + + if [ $p = "gpg-error" ]; then + mtcflags="$(get_var mtcflags)" + mtlibs="$(get_var mtlibs)" + fi + fi + cleanup_vars_attrs +done + +if [ -z "$want_var" -a -z "$want_attr" ]; then + if [ -n "$want_cflags" ]; then + output="$output${output:+ }$(sysroot -I $(list_only_once $cflags))" + # Backward compatibility to old gpg-error-config + if [ $mt = yes -a -n "$mtcflags" ]; then + output="$output${output:+ }$mtcflags" + fi + fi + if [ -n "$want_libs" ]; then + output="$output${output:+ }$(sysroot -L $(list_only_once_for_libs $libs))" + # Backward compatibility to old gpg-error-config + if [ $mt = yes -a -n "$mtlibs" ]; then + output="$output${output:+ }$mtlibs" + fi + fi +fi + +if [ -z "$want_exists" ]; then + echo "$output" +fi + +exit 0 |