diff options
| -rw-r--r-- | sofort/cfgtest/cfgtest.sh | 551 |
1 files changed, 551 insertions, 0 deletions
diff --git a/sofort/cfgtest/cfgtest.sh b/sofort/cfgtest/cfgtest.sh new file mode 100644 index 0000000..ab5d2ab --- /dev/null +++ b/sofort/cfgtest/cfgtest.sh @@ -0,0 +1,551 @@ +# 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=$(${mb_make} -n -f "$mb_pwd/Makefile.tmp" .cflags-host) + mb_cfgtest_cflags="${mb_cfgtest_cflags#*: }" + + mb_cfgtest_ldflags="$mb_ldflags_cmdline" + mb_cfgtest_ldflags="$mb_cfgtest_ldflags $mb_ldflags_debug" + mb_cfgtest_ldflags="$mb_cfgtest_ldflags $mb_ldflags_common" + mb_cfgtest_ldflags="$mb_cfgtest_ldflags $mb_ldflags_strict" + mb_cfgtest_ldflags="$mb_cfgtest_ldflags $mb_ldflags_config" + mb_cfgtest_ldflags="$mb_cfgtest_ldflags $mb_ldflags_sysroot" + mb_cfgtest_ldflags="$mb_cfgtest_ldflags $mb_ldflags_path" + mb_cfgtest_ldflags="$mb_cfgtest_ldflags $mb_ldflags_last" + + cfgtest_comment 'host-specific tests' +} + + +cfgtest_native_section() +{ + mb_cfgtest_cc="$mb_native_cc" + mb_cfgtest_cfgtype='native' + mb_cfgtest_cflags=$(${mb_make} -n -f "$mb_pwd/Makefile.tmp" .cflags-native) + mb_cfgtest_cflags="${mb_cfgtest_cflags#*: }" + mb_cfgtest_ldflags="$mb_native_ldflags" + + cfgtest_comment 'native system tests' +} + + +cfgtest_prolog() +{ + cfgtest_line_dots='.......................' + cfgtest_line_dots="${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}" "${2}" + + if [ "${1}" = 'snippet' ] && [ -f = 'a.out' ]; then + rm -f 'a.out' + fi + + if [ "${1}" = 'snippet' ] && [ "${2}" = '(error)' ]; then + printf '\n\ncfgtest: the %s compiler %s %s.\n' \ + "$mb_cfgtest_cfgtype" \ + 'failed to compile the above code' \ + "${1}" >&3 + printf '%s\n' '------------------------' >&3 + return 1 + fi + + if [ "${2}" = '-----' ]; then + printf '\n\ncfgtest: %s %s is missing or cannot be found.\n' "${1}" "${3}" >&3 + printf '%s\n' '------------------------' >&3 + return 1 + elif [ "${1}" = 'size-of-type' ] && [ "${2}" = '(error)' ]; then + printf '\n\ncfgtest: could not determine size of type `%s.\n' "${3}'" >&3 + printf '%s\n' '------------------------' >&3 + return 1 + elif [ "${2}" = '(error)' ]; then + printf '\n\ncfgtest: %s `%s is not defined or cannot be used.\n' "${1}" "${3}'" >&3 + printf '%s\n' '------------------------' >&3 + return 1 + fi +} + + +cfgtest_entity_size_prolog() +{ + cfgtest_line_dots='.......................' + cfgtest_line_dots="${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=$mb_cfgtest_makevar_saved +} + + +cfgtest_common_init() +{ + # cfgtest variables + if [ "${1:-}" = 'asm' ]; then + cfgtest_fmt='%s -c -xc - -o a.out' + elif [ "${1:-}" = 'lib' ]; then + cfgtest_fmt='%s -xc - -o a.out' + else + cfgtest_fmt='%s -S -xc - -o -' + fi + + if [ "${1:-}" = 'lib' ]; then + cfgtest_cmd=$(printf "$cfgtest_fmt %s %s %s" \ + "$mb_cfgtest_cc" \ + "$mb_cfgtest_cflags" \ + "$mb_cfgtest_ldflags" \ + "$cfgtest_libs") + else + cfgtest_cmd=$(printf "$cfgtest_fmt %s" \ + "$mb_cfgtest_cc" \ + "$mb_cfgtest_cflags") + fi + + if [ -z "$mb_cfgtest_headers" ] || [ "${1:-}" = 'lib' ]; then + cfgtest_inc= + cfgtest_src="$cfgtest_code_snippet" + else + cfgtest_inc=$(printf '#include <%s>\n' $mb_cfgtest_headers) + cfgtest_src=$(printf '%s\n_\n' "$cfgtest_inc" \ + | m4 -D_="$cfgtest_code_snippet") + fi + + # config.log + printf "$cfgtest_fmt" "$mb_cfgtest_cc" >&3 + + for cfgtest_cflag in $mb_cfgtest_cflags; do + printf ' \\\n\t%s' "$cfgtest_cflag" >&3 + done + + if [ "${1:-}" = 'lib' ]; then + for cfgtest_lib in $cfgtest_libs; do + printf ' \\\n\t%s' "$cfgtest_lib" >&3 + done + fi + + printf ' \\\n' >&3 + printf '<< _SRCEOF\n%s\n' "$cfgtest_src" >&3 + printf '_SRCEOF \n\n\n' >&3 +} + + +cfgtest_header_presence() +{ + #init + cfgtest_prolog 'header' "${1}" + + cfgtest_code_snippet=$(printf '#include <%s>\n' "${1}") + + cfgtest_common_init + + # execute + printf '%s' "$cfgtest_src" \ + | eval $(printf '%s' "$cfgtest_cmd") \ + > /dev/null 2>&3 \ + || cfgtest_epilog 'header' '-----' "<${1}>" \ + || return + + # result + mb_internal_str=$(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() +{ + #init + cfgtest_prolog 'header absence' "${1}" + + cfgtest_code_snippet=$(printf '#include <%s>\n' "${1}") + + cfgtest_common_init + + # execute + printf '%s' "$cfgtest_src" \ + | eval $(printf '%s' "$cfgtest_cmd") \ + > /dev/null 2>&3 \ + && printf 'cfgtest: %s header <%s>: no error.' \ + "$mb_cfgtest_cfgtype" "${1}" >&3 \ + && cfgtest_epilog 'header' "${1}" \ + && return + + # result + mb_internal_str=$(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" "${1}" >&3 + printf '%s\n' '------------------------' >&3 + + cfgtest_epilog 'header' '-----' +} + + +cfgtest_interface_presence() +{ + # init + cfgtest_prolog 'interface' "${1}" + + cfgtest_code_snippet=$(printf 'void * addr = &%s;\n' "${1}") + + cfgtest_common_init + + # execute + printf '%s' "$cfgtest_src" \ + | eval $(printf '%s' "$cfgtest_cmd") \ + > /dev/null 2>&3 \ + || cfgtest_epilog 'interface' '(error)' "${1}" \ + || return + + # result + mb_internal_str=$(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() +{ + # init + cfgtest_prolog 'decl' "${1}" + + cfgtest_code_snippet=$(printf 'void * any = (void *)(%s);' "${1}") + + cfgtest_common_init + + # execute + printf '%s' "$cfgtest_src" \ + | eval $(printf '%s' "$cfgtest_cmd") \ + > /dev/null 2>&3 \ + || cfgtest_epilog 'decl' '(error)' "${1}" \ + || return + + # does the argument solely consist of the macro or enum member name? + mb_internal_str=$(printf '%s' "$@" | tr -d '[a-z][A-Z][0-9][_]') + + if [ -n "$mb_internal_str" ]; then + cfgtest_epilog 'decl' '(defined)' + return 0 + fi + + # result + 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_size='' + mb_internal_test='char x[(sizeof(%s) == %s) ? 1 : -1];' + + for mb_internal_guess in 8 4 2 1 16 32 64 128; do + if [ -z $mb_internal_size ]; then + printf '# guess %s ===>\n' "$mb_internal_guess" >&3 + + mb_internal_type="$@" + + cfgtest_code_snippet=$(printf "$mb_internal_test" \ + "$mb_internal_type" "$mb_internal_guess") + + cfgtest_common_init + + printf '%s' "$cfgtest_src" \ + | eval $(printf '%s' "$cfgtest_cmd") \ + > /dev/null 2>&3 \ + && mb_internal_size=$mb_internal_guess + + printf '\n' >&3 + 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_asm() +{ + # init + cfgtest_prolog 'support of code snippet' '<...>' + + cfgtest_code_snippet="$@" + + cfgtest_common_init 'asm' + + # execute + cfgtest_ret=1 + + printf '%s' "$cfgtest_src" \ + | eval $(printf '%s' "$cfgtest_cmd") \ + > /dev/null 2>&3 \ + || cfgtest_epilog 'snippet' '(error)' \ + || return + + # result + cfgtest_ret=0 + + printf 'cfgtest: %s compiler: above code snippet compiled successfully.\n\n' \ + "$mb_cfgtest_cfgtype" >&3 + + cfgtest_epilog 'snippet' '(ok)' + + return 0 +} + + +cfgtest_library_presence() +{ + # init + 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' "${1#*-l}" + else + cfgtest_prolog 'lib module' '(see config.log)' + fi + + cfgtest_code_snippet='int main(void){return 0;}' + + cfgtest_common_init 'lib' + + # execute + printf '%s' "$cfgtest_src" \ + | eval $(printf '%s' "$cfgtest_cmd") \ + > /dev/null 2>&3 \ + || cfgtest_epilog 'library' '-----' "$@" \ + || return 1 + + # result + printf 'cfgtest: `%s'"'"' was accepted by the linker driver.\n' \ + "$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 +} |