diff options
Diffstat (limited to 'sofort/cfgtest')
| -rw-r--r-- | sofort/cfgtest/cfgtest.sh | 332 |
1 files changed, 332 insertions, 0 deletions
diff --git a/sofort/cfgtest/cfgtest.sh b/sofort/cfgtest/cfgtest.sh new file mode 100644 index 0000000..b8821bb --- /dev/null +++ b/sofort/cfgtest/cfgtest.sh @@ -0,0 +1,332 @@ +# cfgtest.sh: sofort's config test framework, +# for use from within a project's custom cfgdefs.sh. + +# in the common scenario, target-specific tests are preceded +# by a single invocation of cfgtest_target_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 (target/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" >> $mb_pwd/cfgdefs.mk +} + + +cfgtest_target_section() +{ + mb_cfgtest_cc=$(make -s -f "$mb_pwd/Makefile.tmp" .display-cc) + mb_cfgtest_cflags=$(make -s -f "$mb_pwd/Makefile.tmp" .display-cflags) + mb_cfgtest_cfgtype='target' + + cfgtest_comment 'target-specific tests' +} + + +cfgtest_native_section() +{ + mb_cfgtest_cc="$mb_native_cc" + mb_cfgtest_cflags="$mb_native_cc_cflags" + mb_cfgtest_cfgtype='native' + + cfgtest_comment 'native system tests' +} + + +cfgtest_makevar_append() +{ + mb_internal_str='+=' + + for mb_internal_arg ; do + if ! [ -z "$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 [ $mb_cfgtest_cfgtype = 'target' ]; then + mb_internal_makevar='CFLAGS_CONFIG' + else + mb_internal_makevar='NATIVE_CC_CFLAGS' + fi + + mb_cfgtest_makevar_saved=$mb_cfgtest_makevar + mb_cfgtest_makevar=$mb_internal_makevar + + cfgtest_makevar_append "$@" + mb_cfgtest_makevar=$mb_cfgtest_makevar_saved +} + + +cfgtest_ldflags_append() +{ + if [ $mb_cfgtest_cfgtype = 'target' ]; then + mb_internal_makevar='LDFLAGS_CONFIG' + else + mb_internal_makevar='NATIVE_CC_LDFLAGS' + fi + + mb_cfgtest_makevar_saved=$mb_cfgtest_makevar + mb_cfgtest_makevar=$mb_internal_makevar + + cfgtest_makevar_append "$@" + mb_cfgtest_makevar=$mb_cfgtest_makevar_saved +} + + +cfgtest_header_presence() +{ + $mb_cfgtest_cc -E -xc - \ + $mb_cfgtest_cflags \ + --include="$@" \ + < /dev/null \ + > /dev/null 2>/dev/null \ + || return + + mb_internal_str=$(printf '%s%s' '-DHAVE_' "$@" \ + | 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 +} + + +cfgtest_header_absence() +{ + $mb_cfgtest_cc -E -xc - \ + $mb_cfgtest_cflags \ + --include="$@" \ + < /dev/null \ + > /dev/null 2>/dev/null \ + && 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 +} + + +cfgtest_interface_presence() +{ + mb_internal_cflags='' + + for mb_header in $mb_cfgtest_headers; do + mb_internal_cflags="$mb_internal_cflags --include=$mb_header" + done + + printf 'void * addr = &%s;' "$@" \ + | $mb_cfgtest_cc -S -xc - -o - \ + $mb_cfgtest_cflags \ + $mb_internal_cflags \ + > /dev/null 2>/dev/null \ + || return 1 + + mb_internal_str=$(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 + + return 0 +} + + +cfgtest_decl_presence() +{ + mb_internal_cflags='' + + for mb_header in $mb_cfgtest_headers; do + mb_internal_cflags="$mb_internal_cflags --include=$mb_header" + done + + printf 'void * any = (void *)%s;' "$@" \ + | $mb_cfgtest_cc -S -xc - -o - \ + $mb_cfgtest_cflags \ + $mb_internal_cflags \ + > /dev/null 2>/dev/null \ + || return 1 + + # does the argument solely consist of the macro or enum member name? + mb_internal_str=$(printf '%s' "$@" | tr -d '[a-z][A-Z][0-9][_]') + + if [ -n "$mb_internal_str" ]; then + 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 + + return 0 +} + + +cfgtest_type_size() +{ + 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 $mb_internal_size ]; then + return 1 + fi + + # -DSIZEOF_TYPE=SIZE + mb_internal_str=$(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 "$mb_internal_str" + fi + + return 0 +} + + +cfgtest_code_snippet() +{ + mb_internal_cflags='' + mb_internal_test="$@" + + 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_library_presence() +{ + printf 'int main(void){return 0;}' \ + | $mb_cfgtest_cc -o a.out -xc - \ + $mb_cfgtest_cflags \ + $@ \ + > /dev/null 2>/dev/null \ + || return 1 + + rm -f a.out + + return 0 +} + + +cfgtest_unit_header_presence() +{ + cfgtest_internal_unit_test='unit_test' + cfgtest_header_presence "$@" || 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 +} |