# 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_stdin_input=${ccenv_host_stdin_input:-} mb_cfgtest_environment=${ccenv_host_cc_environment:-} mb_cfgtest_cflags=$(${mb_make} -n -f "$mb_pwd/Makefile.tmp" \ OS_DSO_EXRULES=default \ OS_SONAME=symlink \ OS_ARCHIVE_EXT='.a' \ .cflags-host) mb_cfgtest_cflags="${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 $mb_ldflags_last" } cfgtest_native_section() { mb_cfgtest_cc="$ccenv_native_cc" mb_cfgtest_cfgtype='native' mb_cfgtest_stdin_input=${ccenv_native_stdin_input:-} mb_cfgtest_environment=${ccenv_native_cc_environment:-} mb_cfgtest_cflags=$(${mb_make} -n -f "$mb_pwd/Makefile.tmp" \ OS_DSO_EXRULES=default \ OS_SONAME=symlink \ OS_ARCHIVE_EXT='.a' \ .cflags-native) mb_cfgtest_cflags="${mb_cfgtest_cflags#*: }" mb_cfgtest_ldflags="$mb_native_ldflags" } cfgtest_prolog() { cfgtest_line_dots='...........................' cfgtest_line_dots="${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}: ${2}\n\n" >&3 if [ "${cfgtest_silent:-}" != 'yes' ]; then printf "%${cfgtest_tool_dlen}.${cfgtest_tool_dlen}s" \ "${cfgtest_tool_desc} ${mb_line_dots}" fi } cfgtest_epilog() { cfgtest_line_dots='...............' cfgtest_tool_dlen="$((${#cfgtest_line_dots} - ${#2}))" if [ "${cfgtest_silent:-}" != 'yes' ]; then printf "%${cfgtest_tool_dlen}.${cfgtest_tool_dlen}s %s.\n" \ "${cfgtest_line_dots}" "${2}" fi if [ "${1}" = 'snippet' ] && [ -f 'a.out' ]; then rm -f 'a.out' fi if [ "$mb_cfgtest_stdin_input" = 'no' ]; then rm 'cfgtest_c3RyaWN0X21vZGUK.c' 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 [ "${1}" = 'switch' ] && [ "${2}" = '(error)' ]; then printf '\n\ncfgtest: the switch `%s is not supported by the %s compiler.\n' \ "${3}'" "$mb_cfgtest_cfgtype" >&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=$mb_cfgtest_makevar_saved } cfgtest_common_init() { # cfgtest variables cfgtest_type="${1:-}" if [ "$mb_cfgtest_stdin_input" = 'no' ]; then if [ "$cfgtest_type" = 'lib' ]; then cfgtest_fmt='%s cfgtest_c3RyaWN0X21vZGUK.c -o a.out' elif [ "$cfgtest_type" = 'ldflag' ]; then cfgtest_fmt='%s cfgtest_c3RyaWN0X21vZGUK.c -o a.out' else cfgtest_fmt='%s -c cfgtest_c3RyaWN0X21vZGUK.c -o a.out' fi elif [ "$cfgtest_type" = 'asm' ]; then cfgtest_fmt='%s -c -xc - -o a.out' elif [ "$cfgtest_type" = 'lib' ]; then cfgtest_fmt='%s -xc - -o a.out' elif [ "$cfgtest_type" = 'ldflag' ]; then cfgtest_fmt='%s -xc - -o a.out' else cfgtest_fmt='%s -S -xc - -o -' fi if [ "$cfgtest_type" = 'lib' ]; then cfgtest_cmd=$(printf "$cfgtest_fmt %s %s %s" \ "$mb_cfgtest_cc" \ "$mb_cfgtest_cflags" \ "$mb_cfgtest_ldflags" \ "$cfgtest_libs") elif [ "$cfgtest_type" = 'ldflag' ]; then cfgtest_cmd=$(printf "$cfgtest_fmt %s %s %s" \ "$mb_cfgtest_cc" \ "$mb_cfgtest_cflags" \ "$mb_cfgtest_ldflags" \ "$cfgtest_switches") elif [ "$cfgtest_type" = 'switch' ]; then cfgtest_cmd=$(printf "$cfgtest_fmt %s %s" \ "$mb_cfgtest_cc" \ "$mb_cfgtest_cflags" \ "$cfgtest_switches") else cfgtest_cmd=$(printf "$cfgtest_fmt %s" \ "$mb_cfgtest_cc" \ "$mb_cfgtest_cflags") fi if [ -z "$mb_cfgtest_headers" ] || [ "$cfgtest_type" = 'lib' ]; then cfgtest_inc= cfgtest_src="$cfgtest_code_snippet" elif [ "$cfgtest_type" = 'ldflag' ]; then cfgtest_inc= cfgtest_src= elif [ "$cfgtest_type" = 'switch' ]; then cfgtest_inc= cfgtest_src= else cfgtest_inc=$(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 $(printf '%s' "$mb_cfgtest_cflags"); do printf ' \\\n\t%s' "$cfgtest_cflag" >&3 done if [ "$cfgtest_type" = 'lib' ]; then for cfgtest_lib in $(printf '%s' "$cfgtest_libs"); do printf ' \\\n\t%s' "$cfgtest_lib" >&3 done elif [ "$cfgtest_type" = 'switch' ] || [ "$cfgtest_type" = 'ldflag' ]; then for cfgtest_switch in $(printf '%s' "$cfgtest_switches"); do printf ' \\\n\t%s' "$cfgtest_switch" >&3 done fi printf ' \\\n' >&3 printf '<< _SRCEOF\n%s\n' "$cfgtest_src" >&3 printf '_SRCEOF \n\n\n' >&3 if [ "$mb_cfgtest_stdin_input" = 'no' ]; then printf '%s' "$cfgtest_src" > 'cfgtest_c3RyaWN0X21vZGUK.c' cfgtest_src= fi } 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" "${1}" >&3 printf '%s\n' '------------------------' >&3 cfgtest_epilog 'header' '-----' "${1}" } 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_compiler_switch() { # init cfgtest_switches= cfgtest_spc= for cfgtest_switch in $(printf '%s' "${@}"); do cfgtest_switches="$cfgtest_switches$cfgtest_spc$cfgtest_switch" cfgtest_spc=' ' done if [ "${1}" = "$cfgtest_switches" ]; then cfgtest_prolog 'compiler switch' "$cfgtest_switches" else cfgtest_prolog 'compiler switch combination' "$cfgtest_switches" fi case "${1}" in -Wl,*) if [ "$mb_cfgtest_environment" = 'freestanding' ]; then cfgtest_switches="$cfgtest_switches -nostdlib -nostartfiles" if [ -z "ccenv_cc_underscore" ]; then cfgtest_code_snippet='int start(void){return 0;}' else cfgtest_code_snippet='int _start(void){return 0;}' fi else cfgtest_code_snippet='int main(void){return 0;}' fi cfgtest_common_init 'ldflag' ;; *) cfgtest_code_snippet= cfgtest_common_init 'switch' ;; esac # execute printf '%s' "$cfgtest_src" \ | eval $(printf '%s' "$cfgtest_cmd") \ > /dev/null 2>&3 \ || cfgtest_epilog 'switch' '(error)' "$@" \ || return 1 # result printf 'cfgtest: the switch `%s was accepted by the compier.\n' \ "$cfgtest_switches'" >&3 printf '%s\n' '------------------------' >&3 cfgtest_epilog 'switch' '(accepted)' 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 }