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# cfgtest.sh: sofort's config test framework,
# for use from within a project's custom cfgdefs.sh.
# this file is covered by COPYING.SOFORT.
# in the common scenario, host-specific tests are preceded
# by a single invocation of cfgtest_host_section, whereas
# native (build) system tests are preceded by the invocation
# of cfgtest_native_section.
# cfgdefs fraework variables:
# mb_cfgtest_cc: the compiler used for the current test
# mb_cfgtest_cflags: the compiler flags used for the current test
# mb_cfgtest_cfgtype: the type of the current test (host/native)
# mb_cfgtest_makevar: the make variable affected by the current test
# mb_cfgtest_headers: headers for ad-hoc inclusion with the current test
cfgtest_newline()
{
printf '\n' >> $mb_pwd/cfgdefs.mk
}
cfgtest_comment()
{
mb_internal_str='#'
for mb_internal_arg ; do
mb_internal_str="$mb_internal_str $mb_internal_arg"
done
printf '%s\n' "$mb_internal_str" >> $mb_pwd/cfgdefs.mk
}
cfgtest_host_section()
{
mb_cfgtest_cc="$ccenv_host_cc"
mb_cfgtest_cfgtype='host'
mb_cfgtest_cflags=$(make -s -f "$mb_pwd/Makefile.tmp" .cflags-host)
cfgtest_comment 'host-specific tests'
}
cfgtest_native_section()
{
mb_cfgtest_cc="$mb_native_cc"
mb_cfgtest_cfgtype='native'
mb_cfgtest_cflags=$(make -s -f "$mb_pwd/Makefile.tmp" .cflags-native)
cfgtest_comment 'native system tests'
}
cfgtest_prolog()
{
cfgtest_line_dots='.......................'
cfgtest_line_dots="${cfgtest_line_dots}${cfgtest_line_dots}"
cfgtest_tool_desc=" == trying ${mb_cfgtest_cfgtype} ${1}: ${2}"
cfgtest_tool_dlen="${#cfgtest_line_dots}"
printf '\n%s\n' '________________________' >&3
printf "cfgtest: probing for ${mb_cfgtest_cfgtype} ${1}: ${2}\n\n" >&3
printf "%${cfgtest_tool_dlen}.${cfgtest_tool_dlen}s" \
"${cfgtest_tool_desc} ${mb_line_dots}"
}
cfgtest_epilog()
{
cfgtest_line_dots='.......................'
cfgtest_tool_dlen="$((${#cfgtest_line_dots} - ${#2}))"
printf "%${cfgtest_tool_dlen}.${cfgtest_tool_dlen}s %s.\n" \
"${cfgtest_line_dots}" "${2}"
if [ "${2}" = '-----' ]; then
printf '\n\ncfgtest: %s is missing or cannot be found.\n' "${1}" >&3
printf '%s\n' '------------------------' >&3
return 1
elif [ "${1}" = 'size-of-type' ] && [ "${2}" = '(error)' ]; then
printf '\n\ncfgtest: could not determine size of type.\n' >&3
printf '%s\n' '------------------------' >&3
return 1
elif [ "${2}" = '(error)' ]; then
printf '\n\ncfgtest: %s is not defined or cannot be used.\n' "${1}" >&3
printf '%s\n' '------------------------' >&3
return 1
fi
}
cfgtest_entity_size_prolog()
{
cfgtest_line_dots='.......................'
cfgtest_line_dots="${cfgtest_line_dots}${cfgtest_line_dots}"
cfgtest_tool_desc=" == checking size of ${mb_cfgtest_cfgtype} type: ${@}"
cfgtest_tool_dlen="${#cfgtest_line_dots}"
printf '\n%s\n' '________________________' >&3
printf "cfgtest: checking size of ${mb_cfgtest_cfgtype} type: ${@}\n\n" >&3
printf "%${cfgtest_tool_dlen}.${cfgtest_tool_dlen}s" \
"${cfgtest_tool_desc} ${mb_line_dots}"
}
cfgtest_makevar_append()
{
mb_internal_str='+='
for mb_internal_arg ; do
if ! [ -z "$mb_internal_arg" ]; then
mb_internal_str="$mb_internal_str $mb_internal_arg"
fi
done
printf '%-24s%s\n' "$mb_cfgtest_makevar" "$mb_internal_str" \
>> $mb_pwd/cfgdefs.mk
unset cfgtest_internal_unit_test
}
cfgtest_cflags_append()
{
if [ $mb_cfgtest_cfgtype = 'host' ]; then
mb_internal_makevar='CFLAGS_CONFIG'
else
mb_internal_makevar='NATIVE_CFLAGS'
fi
mb_cfgtest_makevar_saved=$mb_cfgtest_makevar
mb_cfgtest_makevar=$mb_internal_makevar
cfgtest_makevar_append "$@"
mb_cfgtest_makevar=$mb_cfgtest_makevar_saved
}
cfgtest_ldflags_append()
{
if [ $mb_cfgtest_cfgtype = 'host' ]; then
mb_internal_makevar='LDFLAGS_CONFIG'
else
mb_internal_makevar='NATIVE_LDFLAGS'
fi
mb_cfgtest_makevar_saved=$mb_cfgtest_makevar
mb_cfgtest_makevar=$mb_internal_makevar
cfgtest_makevar_append "$@"
mb_cfgtest_makevar=$mb_cfgtest_makevar_saved
}
cfgtest_header_presence()
{
cfgtest_prolog 'header' "${1}"
printf '%s -E -xc - \\\n' "$mb_cfgtest_cc" >&3
for cfgtest_cflag in $mb_cfgtest_cflags; do
printf '\t%s \\\n' "$cfgtest_cflag" >&3
done
printf '\t%s\n\n' '--include='"${1}" >&3
cfgtest_cmd=$(printf '%s -E -xc - %s %s' \
"$mb_cfgtest_cc" "$mb_cfgtest_cflags" \
'--include='"${1}")
$(printf '%s' "$cfgtest_cmd") \
< /dev/null \
> /dev/null 2>&3 \
|| cfgtest_epilog 'header' '-----' \
|| return
mb_internal_str=$(printf '%s%s' '-DHAVE_' "${1}" \
| sed -e 's/\./_/g' -e 's@/@_@g' \
| tr "[:lower:]" "[:upper:]")
if [ -z ${cfgtest_internal_unit_test:-} ]; then
cfgtest_cflags_append "$mb_internal_str"
else
cfgtest_makevar_append "$mb_internal_str"
fi
printf 'cfgtest: %s header <%s> was found and may be included.\n' \
"$mb_cfgtest_cfgtype" "${1}" >&3
printf '%s\n' '------------------------' >&3
cfgtest_epilog 'header' "${1}"
}
cfgtest_header_absence()
{
cfgtest_prolog 'header absence' "${1}"
printf '%s -E -xc - \\\n' "$mb_cfgtest_cc" >&3
for cfgtest_cflag in $mb_cfgtest_cflags; do
printf '\t%s \\\n' "$cfgtest_cflag" >&3
done
printf '\t%s\n\n' '--include='"${1}" >&3
cfgtest_cmd=$(printf '%s -E -xc - %s %s' \
"$mb_cfgtest_cc" "$mb_cfgtest_cflags" \
'--include='"${1}")
$(printf '%s' "$cfgtest_cmd") \
< /dev/null \
> /dev/null 2>&3 \
&& cfgtest_epilog 'header' "${1}" \
&& return
mb_internal_str=$(printf '%s%s' '-DHAVE_NO_' "$@" \
| sed -e 's/\./_/g' -e 's@/@_@g' \
| tr "[:lower:]" "[:upper:]")
if [ -z ${cfgtest_internal_unit_test:-} ]; then
cfgtest_cflags_append "$mb_internal_str"
else
cfgtest_makevar_append "$mb_internal_str"
fi
printf 'cfgtest: %s header <%s> may not be included.\n' \
"$mb_cfgtest_cfgtype" "${1}" >&3
printf '%s\n' '------------------------' >&3
cfgtest_epilog 'header' '-----'
}
cfgtest_interface_presence()
{
cfgtest_prolog 'interface' "${1}"
mb_internal_cflags=
for mb_header in $mb_cfgtest_headers; do
mb_internal_cflags="$mb_internal_cflags --include=$mb_header"
done
cfgtest_code_snippet=$(printf 'void * addr = &%s;' "${1}")
printf 'printf %s "%s" \\\n' "'%s'" "$cfgtest_code_snippet" >&3
printf '| %s -S -xc - -o -' "$mb_cfgtest_cc" >&3
for cfgtest_cflag in $mb_cfgtest_cflags; do
printf ' \\\n\t%s' "$cfgtest_cflag" >&3
done
for cfgtest_cflag in $mb_internal_cflags; do
printf ' \\\n\t%s' "$cfgtest_cflag" >&3
done
printf '\n\n' >&3
cfgtest_cmd=$(printf '%s -S -xc - -o - %s %s' \
"$mb_cfgtest_cc" "$mb_cfgtest_cflags" \
"$mb_internal_cflags")
printf '%s' "$cfgtest_code_snippet" \
| $(printf '%s' "$cfgtest_cmd") \
> /dev/null 2>&3 \
|| cfgtest_epilog 'interface' '(error)' \
|| return
mb_internal_str=$(printf '%s%s' '-DHAVE_' "$@" \
| sed -e 's/\./_/g' \
| tr "[:lower:]" "[:upper:]")
if [ -z ${cfgtest_internal_unit_test:-} ]; then
cfgtest_cflags_append "$mb_internal_str"
else
cfgtest_makevar_append "$mb_internal_str"
fi
printf 'cfgtest: %s interface `%s'"'"' is available.\n' \
"$mb_cfgtest_cfgtype" "${1}" >&3
printf '%s\n' '------------------------' >&3
cfgtest_epilog 'interface' "${1}"
return 0
}
cfgtest_decl_presence()
{
cfgtest_prolog 'decl' "${1}"
mb_internal_cflags=
for mb_header in $mb_cfgtest_headers; do
mb_internal_cflags="$mb_internal_cflags --include=$mb_header"
done
cfgtest_code_snippet=$(printf 'void * any = (void *)(%s);' "${1}")
printf 'printf %s "%s" \\\n' "'%s'" "$cfgtest_code_snippet" >&3
printf '| %s -S -xc - -o -' "$mb_cfgtest_cc" >&3
for cfgtest_cflag in $mb_cfgtest_cflags; do
printf ' \\\n\t%s' "$cfgtest_cflag" >&3
done
for cfgtest_cflag in $mb_internal_cflags; do
printf ' \\\n\t%s' "$cfgtest_cflag" >&3
done
printf '\n\n' >&3
cfgtest_cmd=$(printf '%s -S -xc - -o - %s %s' \
"$mb_cfgtest_cc" "$mb_cfgtest_cflags" \
"$mb_internal_cflags")
printf '%s' "$cfgtest_code_snippet" \
| $(printf '%s' "$cfgtest_cmd") \
> /dev/null 2>&3 \
|| cfgtest_epilog 'decl' '(error)' \
|| return
# does the argument solely consist of the macro or enum member name?
mb_internal_str=$(printf '%s' "$@" | tr -d '[a-z][A-Z][0-9][_]')
if [ -n "$mb_internal_str" ]; then
cfgtest_epilog 'decl' '(defined)'
return 0
fi
mb_internal_str=$(printf '%s%s' '-DHAVE_DECL_' "$@" \
| sed -e 's/\./_/g' \
| tr "[:lower:]" "[:upper:]")
if [ -z ${cfgtest_internal_unit_test:-} ]; then
cfgtest_cflags_append "$mb_internal_str"
else
cfgtest_makevar_append "$mb_internal_str"
fi
printf 'cfgtest: `%s'"'"' is defined for the %s system.\n' \
"${1}" "$mb_cfgtest_cfgtype" >&3
printf '%s\n' '------------------------' >&3
cfgtest_epilog 'decl' '(defined)'
return 0
}
cfgtest_type_size()
{
cfgtest_entity_size_prolog "$@"
mb_internal_cflags=''
mb_internal_size=''
mb_internal_test='char x[(sizeof(%s) == %s) ? 1 : -1];'
for mb_header in $mb_cfgtest_headers; do
mb_internal_cflags="$mb_internal_cflags --include=$mb_header"
done
for mb_internal_guess in 8 4 2 1 16 32 64 128; do
if [ -z $mb_internal_size ]; then
mb_internal_type="$@"
mb_internal_str=$(printf "$mb_internal_test" \
"$mb_internal_type" \
"$mb_internal_guess")
printf '%s' "$mb_internal_str" \
| $mb_cfgtest_cc -S -xc - -o - \
$mb_cfgtest_cflags \
$mb_internal_cflags \
> /dev/null 2>/dev/null \
&& mb_internal_size=$mb_internal_guess
fi
done
# unrecognized type, or type size not within range
if [ -z $mb_internal_size ]; then
cfgtest_epilog 'size-of-type' '(error)'
return 1
fi
# -DSIZEOF_TYPE=SIZE
mb_internal_str=$(printf '%s%s=%s' '-DSIZEOF_' \
"$mb_internal_type" \
"$mb_internal_size" \
| sed -e 's/\ /_/g' -e 's/*/P/g' \
| tr "[:lower:]" "[:upper:]")
if [ -z ${cfgtest_internal_unit_test:-} ]; then
cfgtest_cflags_append "$mb_internal_str"
else
cfgtest_makevar_append "$mb_internal_str"
fi
printf 'cfgtest: size of type `%s'"'"' determined to be %s\n' \
"${@}" "$mb_internal_size" >&3
printf '%s\n' '------------------------' >&3
cfgtest_epilog 'size-of-type' "$mb_internal_size"
return 0
}
cfgtest_code_snippet()
{
mb_internal_cflags=''
mb_internal_test="$@"
for mb_header in $mb_cfgtest_headers; do
mb_internal_cflags="$mb_internal_cflags --include=$mb_header"
done
printf '%s' "$mb_internal_test" \
| $mb_cfgtest_cc -S -xc - -o - \
$mb_cfgtest_cflags \
$mb_internal_cflags \
> /dev/null 2>/dev/null \
|| return 1
return 0
}
cfgtest_code_snippet_asm()
{
mb_internal_cflags=''
mb_internal_test="$@"
cfgtest_tmp=$(mktemp ./tmp_XXXXXXXXXXXXXXXX)
cfgtest_ret=1
for mb_header in $mb_cfgtest_headers; do
mb_internal_cflags="$mb_internal_cflags --include=$mb_header"
done
printf '%s' "$mb_internal_test" \
| $mb_cfgtest_cc -c -xc - \
-o $cfgtest_tmp \
$mb_cfgtest_cflags \
$mb_internal_cflags \
> /dev/null 2>/dev/null \
&& cfgtest_ret=0
rm -f "$cfgtest_tmp"
unset cfgtest_tmp
return $cfgtest_ret
}
cfgtest_library_presence()
{
cfgtest_libs=
cfgtest_spc=
for cfgtest_lib in ${@}; do
cfgtest_libs="$cfgtest_libs$cfgtest_spc$cfgtest_lib"
cfgtest_spc=' '
done
if [ "${1}" = "$cfgtest_libs" ]; then
cfgtest_prolog 'library' "${1#*-l}"
else
cfgtest_prolog 'lib module' '(see config.log)'
fi
cfgtest_code_snippet='int main(void){return 0;}'
printf 'printf %s "%s" \\\n' "'%s'" "$cfgtest_code_snippet" >&3
printf '| %s -o a.out -xc -' "$mb_cfgtest_cc" >&3
for cfgtest_cflag in $mb_cfgtest_cflags; do
printf ' \\\n\t%s' "$cfgtest_cflag" >&3
done
for cfgtest_lib in ${@}; do
printf ' \\\n\t%s' "$cfgtest_lib" >&3
done
printf '\n\n' >&3
cfgtest_cmd=$(printf '%s -o a.out -xc - %s' \
"$mb_cfgtest_cc" "$mb_cfgtest_cflags")
cfgtest_cmd="$cfgtest_cmd -L${mb_libdir} $cfgtest_libs"
printf '%s' "$cfgtest_code_snippet" \
| $(printf '%s' "$cfgtest_cmd") \
> /dev/null 2>&3 \
|| cfgtest_epilog 'library' '-----' \
|| return 1
rm -f a.out
printf 'cfgtest: `%s'"'"' was accepted by the linker driver.\n' \
"$cfgtest_libs" >&3
printf '%s\n' '------------------------' >&3
cfgtest_epilog 'library' '(present)'
return 0
}
cfgtest_unit_header_presence()
{
cfgtest_internal_unit_test='unit_test'
cfgtest_header_presence "$@" || return 1
return 0
}
cfgtest_unit_header_absence()
{
cfgtest_internal_unit_test='unit_test'
cfgtest_header_absence "$@" || return 1
return 0
}
cfgtest_unit_interface_presence()
{
cfgtest_internal_unit_test='unit_test'
cfgtest_interface_presence "$@" || return 1
return 0
}
cfgtest_unit_decl_presence()
{
cfgtest_internal_unit_test='unit_test'
cfgtest_decl_presence "$@" || return 1
return 0
}
cfgtest_unit_type_size()
{
cfgtest_internal_unit_test='unit_test'
cfgtest_type_size "$@" || return 1
return 0
}
|