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# cfgtest.sh: sofort's config test framework,
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# for use from within a project's custom cfgdefs.sh.
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# of cfgtest_native_section.
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# cfgdefs fraework variables:
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# mb_cfgtest_cc: the compiler used for the current test
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# mb_cfgtest_cflags: the compiler flags used for the current test
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# mb_cfgtest_cfgtype: the type of the current test (target/native)
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# mb_cfgtest_headers: headers for ad-hoc inclusion with the current test
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cfgtest_newline()
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{
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printf '\n' >> $mb_pwd/cfgdefs.mk
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}
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cfgtest_comment()
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{
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mb_internal_str='#'
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for mb_internal_arg ; do
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mb_internal_str="$mb_internal_str $mb_internal_arg"
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done
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printf '%s\n' "$mb_internal_str" >> $mb_pwd/cfgdefs.mk
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}
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cfgtest_target_section()
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{
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mb_cfgtest_cc=$(make -s -f "$mb_pwd/Makefile.tmp" .display-cc)
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mb_cfgtest_cflags=$(make -s -f "$mb_pwd/Makefile.tmp" .display-cflags)
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mb_cfgtest_cfgtype='target'
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cfgtest_comment 'target-specific tests'
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}
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cfgtest_native_section()
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{
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mb_cfgtest_cc="$mb_native_cc"
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mb_cfgtest_cflags="$mb_native_cflags"
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mb_cfgtest_cfgtype='native'
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cfgtest_comment 'native system tests'
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}
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cfgtest_makevar_append()
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{
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mb_internal_str='+='
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for mb_internal_arg ; do
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if ! [ -z "$mb_internal_arg" ]; then
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mb_internal_str="$mb_internal_str $mb_internal_arg"
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fi
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done
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printf '%-24s%s\n' "$mb_cfgtest_makevar" "$mb_internal_str" \
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>> $mb_pwd/cfgdefs.mk
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unset cfgtest_internal_unit_test
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}
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cfgtest_cflags_append()
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{
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if [ $mb_cfgtest_cfgtype = 'target' ]; then
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mb_internal_makevar='CFLAGS_CONFIG'
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else
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mb_internal_makevar='NATIVE_CFLAGS'
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fi
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mb_cfgtest_makevar_saved=$mb_cfgtest_makevar
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mb_cfgtest_makevar=$mb_internal_makevar
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cfgtest_makevar_append "$@"
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mb_cfgtest_makevar=$mb_cfgtest_makevar_saved
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}
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cfgtest_ldflags_append()
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{
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if [ $mb_cfgtest_cfgtype = 'target' ]; then
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mb_internal_makevar='LDFLAGS_CONFIG'
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else
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mb_internal_makevar='NATIVE_LDFLAGS'
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fi
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mb_cfgtest_makevar_saved=$mb_cfgtest_makevar
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mb_cfgtest_makevar=$mb_internal_makevar
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cfgtest_makevar_append "$@"
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mb_cfgtest_makevar=$mb_cfgtest_makevar_saved
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}
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cfgtest_header_presence()
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{
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$mb_cfgtest_cc -E -xc - \
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$mb_cfgtest_cflags \
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--include="$@" \
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< /dev/null \
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> /dev/null 2>/dev/null \
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|| return
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mb_internal_str=$(printf '%s%s' '-DHAVE_' "$@" \
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| sed -e 's/\./_/g' -e 's@/@_@g' \
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| tr "[:lower:]" "[:upper:]")
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if [ -z ${cfgtest_internal_unit_test:-} ]; then
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cfgtest_cflags_append "$mb_internal_str"
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else
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cfgtest_makevar_append "$mb_internal_str"
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fi
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}
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cfgtest_header_absence()
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{
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$mb_cfgtest_cc -E -xc - \
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$mb_cfgtest_cflags \
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--include="$@" \
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< /dev/null \
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> /dev/null 2>/dev/null \
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&& return
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mb_internal_str=$(printf '%s%s' '-DHAVE_NO_' "$@" \
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| sed -e 's/\./_/g' -e 's@/@_@g' \
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| tr "[:lower:]" "[:upper:]")
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if [ -z ${cfgtest_internal_unit_test:-} ]; then
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cfgtest_cflags_append "$mb_internal_str"
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else
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cfgtest_makevar_append "$mb_internal_str"
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fi
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}
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cfgtest_interface_presence()
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{
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mb_internal_cflags=''
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for mb_header in $mb_cfgtest_headers; do
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mb_internal_cflags="$mb_internal_cflags --include=$mb_header"
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done
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printf 'void * addr = &%;;' "$@" \
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| $mb_cfgtest_cc -S -xc - -o - \
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$mb_cfgtest_cflags \
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$mb_internal_cflags \
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> /dev/null 2>/dev/null \
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|| return 1
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mb_internal_str=$(printf '%s%s' '-DHAVE_' "$@" \
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| sed -e 's/\./_/g' \
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| tr "[:lower:]" "[:upper:]")
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3ae283 |
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if [ -z ${cfgtest_internal_unit_test:-} ]; then
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cfgtest_cflags_append "$mb_internal_str"
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else
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cfgtest_makevar_append "$mb_internal_str"
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fi
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return 0
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}
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cfgtest_decl_presence()
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{
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mb_internal_cflags=''
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for mb_header in $mb_cfgtest_headers; do
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mb_internal_cflags="$mb_internal_cflags --include=$mb_header"
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done
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printf 'void * any = (void *)%s;' "$@" \
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| $mb_cfgtest_cc -S -xc - -o - \
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$mb_cfgtest_cflags \
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$mb_internal_cflags \
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> /dev/null 2>/dev/null \
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|| return 1
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3ae283 |
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mb_internal_str=$(printf '%s' "$@" | tr -d '[a-z][A-Z][0-9][_]')
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3ae283 |
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if [ -n "$mb_internal_str" ]; then
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return 0
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3ae283 |
fi
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3ae283 |
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3ae283 |
mb_internal_str=$(printf '%s%s' '-DHAVE_DECL_' "$@" \
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| sed -e 's/\./_/g' \
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| tr "[:lower:]" "[:upper:]")
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3ae283 |
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if [ -z ${cfgtest_internal_unit_test:-} ]; then
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cfgtest_cflags_append "$mb_internal_str"
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else
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cfgtest_makevar_append "$mb_internal_str"
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3ae283 |
fi
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3ae283 |
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return 0
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3ae283 |
}
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3ae283 |
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cfgtest_type_size()
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{
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mb_internal_cflags=''
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mb_internal_size=''
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mb_internal_test='char x[(sizeof(%s) == %s) ? 1 : -1];'
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3ae283 |
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for mb_header in $mb_cfgtest_headers; do
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mb_internal_cflags="$mb_internal_cflags --include=$mb_header"
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3ae283 |
done
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for mb_internal_guess in 8 4 2 1 16 32 64 128; do
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if [ -z $mb_internal_size ]; then
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mb_internal_type="$@"
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3ae283 |
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3ae283 |
mb_internal_str=$(printf "$mb_internal_test" \
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"$mb_internal_type" \
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"$mb_internal_guess")
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printf '%s' "$mb_internal_str" \
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| $mb_cfgtest_cc -S -xc - -o - \
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$mb_cfgtest_cflags \
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$mb_internal_cflags \
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> /dev/null 2>/dev/null \
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&& mb_internal_size=$mb_internal_guess
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3ae283 |
fi
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3ae283 |
done
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3ae283 |
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3ae283 |
# unrecognized type, or type size not within range
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3ae283 |
if [ -z $mb_internal_size ]; then
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return 1
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3ae283 |
fi
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3ae283 |
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3ae283 |
# -DSIZEOF_TYPE=SIZE
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mb_internal_str=$(printf '%s%s=%s' '-DSIZEOF_' \
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"$mb_internal_type" \
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"$mb_internal_size" \
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3ae283 |
| sed -e 's/\ /_/g' -e 's/*/P/g' \
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3ae283 |
| tr "[:lower:]" "[:upper:]")
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3ae283 |
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if [ -z ${cfgtest_internal_unit_test:-} ]; then
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cfgtest_cflags_append "$mb_internal_str"
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3ae283 |
else
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3ae283 |
cfgtest_makevar_append "$mb_internal_str"
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3ae283 |
fi
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3ae283 |
return 0
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3ae283 |
}
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3ae283 |
cfgtest_code_snippet()
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{
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mb_internal_cflags=''
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3ae283 |
mb_internal_test="$@"
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for mb_header in $mb_cfgtest_headers; do
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mb_internal_cflags="$mb_internal_cflags --include=$mb_header"
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3ae283 |
done
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3ae283 |
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3ae283 |
printf '%s' "$mb_internal_test" \
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3ae283 |
| $mb_cfgtest_cc -S -xc - -o - \
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$mb_cfgtest_cflags \
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3ae283 |
$mb_internal_cflags \
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3ae283 |
> /dev/null 2>/dev/null \
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3ae283 |
|| return 1
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3ae283 |
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3ae283 |
return 0
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3ae283 |
}
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3ae283 |
cfgtest_library_presence()
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3ae283 |
{
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3ae283 |
printf 'int main(void){return 0;}' \
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3ae283 |
| $mb_cfgtest_cc -o a.out -xc - \
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3ae283 |
$mb_cfgtest_cflags \
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3ae283 |
$@ \
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3ae283 |
> /dev/null 2>/dev/null \
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3ae283 |
|| return 1
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3ae283 |
|
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3ae283 |
rm -f a.out
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3ae283 |
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3ae283 |
return 0
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|
3ae283 |
}
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3ae283 |
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3ae283 |
|
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3ae283 |
cfgtest_unit_header_presence()
|
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|
3ae283 |
{
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|
3ae283 |
cfgtest_internal_unit_test='unit_test'
|
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|
3ae283 |
cfgtest_header_presence "$@" || return 1
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|
3ae283 |
return 0
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|
3ae283 |
}
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3ae283 |
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|
3ae283 |
|
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3ae283 |
cfgtest_unit_header_absence()
|
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|
3ae283 |
{
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|
3ae283 |
cfgtest_internal_unit_test='unit_test'
|
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|
3ae283 |
cfgtest_header_absence "$@" || return 1
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|
3ae283 |
return 0
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|
3ae283 |
}
|
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|
3ae283 |
|
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|
3ae283 |
|
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|
3ae283 |
cfgtest_unit_interface_presence()
|
|
|
3ae283 |
{
|
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|
3ae283 |
cfgtest_internal_unit_test='unit_test'
|
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|
3ae283 |
cfgtest_interface_presence "$@" || return 1
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|
3ae283 |
return 0
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|
3ae283 |
}
|
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|
3ae283 |
|
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|
3ae283 |
|
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|
3ae283 |
cfgtest_unit_decl_presence()
|
|
|
3ae283 |
{
|
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|
3ae283 |
cfgtest_internal_unit_test='unit_test'
|
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|
3ae283 |
cfgtest_decl_presence "$@" || return 1
|
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|
3ae283 |
return 0
|
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|
3ae283 |
}
|
|
|
3ae283 |
|
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|
3ae283 |
|
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|
3ae283 |
cfgtest_unit_type_size()
|
|
|
3ae283 |
{
|
|
|
3ae283 |
cfgtest_internal_unit_test='unit_test'
|
|
|
3ae283 |
cfgtest_type_size "$@" || return 1
|
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|
3ae283 |
return 0
|
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|
3ae283 |
}
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