diff options
Diffstat (limited to 'sofort/cfgtest/cfgtest.sh')
| -rw-r--r-- | sofort/cfgtest/cfgtest.sh | 79 |
1 files changed, 67 insertions, 12 deletions
diff --git a/sofort/cfgtest/cfgtest.sh b/sofort/cfgtest/cfgtest.sh index debdb8c..7bb27a0 100644 --- a/sofort/cfgtest/cfgtest.sh +++ b/sofort/cfgtest/cfgtest.sh @@ -15,6 +15,7 @@ # 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 +# mb_cfgtest_attr: if supported, the compiler-specific attribute definition cfgtest_newline() @@ -131,6 +132,15 @@ cfgtest_epilog() return 1 fi + if [ "${1}" = 'attr' ] && [ "${2}" = '(error)' ]; then + printf '\n\ncfgtest: the %s compiler %s %s_ attribute.\n' \ + "$mb_cfgtest_cfgtype" \ + 'does not appear to support the _' \ + "${3}" >&3 + printf '%s\n' '------------------------' >&3 + return 1 + fi + if [ "${2}" = '-----' ] || [ "${2}" = '(missing)' ]; then printf '\n\ncfgtest: %s %s is missing or cannot be found.\n' "${1}" "${3}" >&3 printf '%s\n' '------------------------' >&3 @@ -246,6 +256,8 @@ cfgtest_common_init() fi elif [ "$cfgtest_type" = 'asm' ]; then cfgtest_fmt='%s -c -xc - -o a.out' + elif [ "$cfgtest_type" = 'attr' ]; then + cfgtest_fmt='%s -c -xc - -o a.out -Werror' elif [ "$cfgtest_type" = 'lib' ]; then cfgtest_fmt='%s -xc - -o a.out' elif [ "$cfgtest_type" = 'ldflag' ]; then @@ -330,11 +342,16 @@ cfgtest_header_presence() cfgtest_prolog 'header' "${1}" cfgtest_code_snippet=$(printf '#include <%s>\n' "${1}") + cfgtest_code_onedecl='int fn(void){return 0;}' + + cfgtest_code_snippet=$(printf '%s\n%s\n' \ + "$cfgtest_code_snippet" \ + "$cfgtest_code_onedecl") cfgtest_common_init # execute - printf '%s' "$cfgtest_src" \ + printf '%s\n' "$cfgtest_src" \ | eval $(printf '%s' "$cfgtest_cmd") \ > /dev/null 2>&3 \ || cfgtest_epilog 'header' '-----' "<${1}>" \ @@ -365,11 +382,16 @@ cfgtest_header_absence() cfgtest_prolog 'header absence' "${1}" cfgtest_code_snippet=$(printf '#include <%s>\n' "${1}") + cfgtest_code_onedecl='int fn(void){return 0;}' + + cfgtest_code_snippet=$(printf '%s\n%s\n' \ + "$cfgtest_code_snippet" \ + "$cfgtest_code_onedecl") cfgtest_common_init # execute - printf '%s' "$cfgtest_src" \ + printf '%s\n' "$cfgtest_src" \ | eval $(printf '%s' "$cfgtest_cmd") \ > /dev/null 2>&3 \ && printf 'cfgtest: %s header <%s>: no error.' \ @@ -401,12 +423,12 @@ cfgtest_interface_presence() # init cfgtest_prolog 'interface' "${1}" - cfgtest_code_snippet=$(printf 'void * addr = &%s;\n' "${1}") + cfgtest_code_snippet=$(printf 'void (*addr)() = (void (*)())&%s;\n' "${1}") cfgtest_common_init # execute - printf '%s' "$cfgtest_src" \ + printf '%s\n' "$cfgtest_src" \ | eval $(printf '%s' "$cfgtest_cmd") \ > /dev/null 2>&3 \ || cfgtest_epilog 'interface' '(error)' "${1}" \ @@ -443,7 +465,7 @@ cfgtest_decl_presence() cfgtest_common_init # execute - printf '%s' "$cfgtest_src" \ + printf '%s\n' "$cfgtest_src" \ | eval $(printf '%s' "$cfgtest_cmd") \ > /dev/null 2>&3 \ || cfgtest_epilog 'decl' '(error)' "${1}" \ @@ -496,7 +518,7 @@ cfgtest_type_size() cfgtest_common_init - printf '%s' "$cfgtest_src" \ + printf '%s\n' "$cfgtest_src" \ | eval $(printf '%s' "$cfgtest_cmd") \ > /dev/null 2>&3 \ && mb_internal_size=$mb_internal_guess @@ -534,6 +556,39 @@ cfgtest_type_size() } +cfgtest_attr_visibility() +{ + # init + cfgtest_prolog 'compiler visibility attr' "${1}" + + cfgtest_attr_syntax='__attribute__((__visibility__("'"${1}"'")))' + cfgtest_code_snippet="$cfgtest_attr_syntax"' int f_'"${1}"'(void);' + + cfgtest_common_init 'attr' + + # execute + cfgtest_ret=1 + + printf '%s\n' "$cfgtest_src" \ + | eval $(printf '%s' "$cfgtest_cmd") \ + > /dev/null 2>&3 \ + || cfgtest_epilog 'attr' '(error)' "${1}" \ + || return + + # result + mb_cfgtest_attr=$(printf '__attribute__\\(\\(__visibility__\\(\\"%s\\"\\)\\)\\)' "${1}") + + cfgtest_ret=0 + + printf 'cfgtest: %s compiler: above attribute is supported; see also ccenv/%s.mk.\n\n' \ + "$mb_cfgtest_cfgtype" "$mb_cfgtest_cfgtype" >&3 + + cfgtest_epilog 'attr' '(ok)' + + return 0 +} + + cfgtest_code_snippet_asm() { # init @@ -546,7 +601,7 @@ cfgtest_code_snippet_asm() # execute cfgtest_ret=1 - printf '%s' "$cfgtest_src" \ + printf '%s\n' "$cfgtest_src" \ | eval $(printf '%s' "$cfgtest_cmd") \ > /dev/null 2>&3 \ || cfgtest_epilog 'snippet' '(error)' \ @@ -579,7 +634,7 @@ cfgtest_macro_definition() # execute cfgtest_ret=1 - printf '%s' "$cfgtest_src" \ + printf '%s\n' "$cfgtest_src" \ | eval $(printf '%s' "$cfgtest_cmd") \ > /dev/null 2>&3 \ || cfgtest_epilog 'macro' '(error)' "${1}" \ @@ -627,7 +682,7 @@ cfgtest_library_presence() cfgtest_common_init 'lib' # execute - printf '%s' "$cfgtest_src" \ + printf '%s\n' "$cfgtest_src" \ | eval $(printf '%s' "$cfgtest_cmd") \ > /dev/null 2>&3 \ || cfgtest_epilog 'library' '-----' "$@" \ @@ -805,20 +860,20 @@ cfgtest_compiler_switch() ;; *) - cfgtest_code_snippet= + cfgtest_code_snippet='int fn(void){return 0;}' cfgtest_common_init 'switch' ;; esac # execute - printf '%s' "$cfgtest_src" \ + printf '%s\n' "$cfgtest_src" \ | eval $(printf '%s' "$cfgtest_cmd") \ > /dev/null 2>&3 \ || cfgtest_epilog 'switch' '(error)' "$@" \ || return 1 # result - printf 'cfgtest: the switch `%s was accepted by the compier.\n' \ + printf 'cfgtest: the switch `%s was accepted by the compiler.\n' \ "$cfgtest_switches'" >&3 printf '%s\n' '------------------------' >&3 |