orbea / zippy / sofort
Forked from zippy/sofort 2 years ago
e5f78a
cfgtest.sh: added cfgtest_type_size(), cfgtest_unit_type_size().
Authored and Committed by 
midipix
6 years ago
sofort/cfgtest.sh
CHANGED
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@@ -208,6 +208,55 @@ cfgtest_decl_presence()
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}
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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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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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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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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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fi
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done
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# unrecognized type, or type size not within range
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if [ -z $mb_internal_size ]; then
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return 1
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fi
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# -DSIZEOF_TYPE=SIZE
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mb_internal_str=$(printf '%s%s=%s' '-DSIZEOF_' \
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"$mb_internal_type" \
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"$mb_internal_size" \
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| sed -e 's/\ /_/g' -e 's/*/P/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 "$mb_internal_str"
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fi
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return 0
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}
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cfgtest_library_presence()
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{
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printf 'int main(void){return 0;}' \
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@@ -253,3 +302,11 @@ cfgtest_unit_decl_presence()
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cfgtest_decl_presence "$@" || return 1
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return 0
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}
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cfgtest_unit_type_size()
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{
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cfgtest_internal_unit_test='unit_test'
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cfgtest_type_size "$@" || return 1
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return 0
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}
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