38 lines
976 B
Bash
38 lines
976 B
Bash
#!/bin/sh
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dir="$(dirname "$0")"
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. "$dir"/cflags
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tmp=$(mktemp -d)
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hide_unnecessary_symbols() {
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[ ! -d "$tmp" ] && echo "W: couldn't find tmp dir" && return
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gcc_syms="$tmp/gcc_exports.sym"
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clang_syms="$tmp/clang_exports.list"
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code="$tmp/main.c"
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echo "int main() { return 0; }" >> "$code"
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exports='ezpp ezpp_ errstr oppai_'
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( printf '{global:'
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for e in $exports; do
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printf '%s;' "$e"
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done
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printf 'local:*;};' ) | sed 's/_;/_*;/g' >"$gcc_syms"
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echo "$exports" | tr ' ' '\n' | sed s/_$/_*/g > "$clang_syms"
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for flags in "-Wl,--version-script=$gcc_syms" \
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"-Wl,-exported_symbols_list,$clang_syms"
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do
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if "$cc" $flags "$code" -o /dev/null >/dev/null 2>&1; then
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ldflags="$ldflags $flags"
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return
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fi
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done
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echo "W: can't figure out how to hide unnecessary symbols"
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}
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hide_unnecessary_symbols
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$cc -shared $cflags -DOPPAI_EXPORT \
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"$@" oppai.c $ldflags -fpic -o liboppai.so
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[ -d "$tmp" ] && rm -rf "$tmp"
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