71 lines
1.2 KiB
Text
71 lines
1.2 KiB
Text
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#!/bin/sh -e
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die() {
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echo "$0: trycompile: $*" >&2
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exit 99
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}
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ctype=$1
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linktype=$2
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code=$3
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case $ctype in
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cc)
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[ -n "$CC" ] || die 'must set $CC first.'
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useCC="$CC"
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useCF="$CFLAGS"
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useExt=".c"
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;;
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cxx)
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[ -n "$CXX" ] || die 'must set $CXX first.'
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useCC="$CXX"
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useCF="$CXXFLAGS"
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useExt=".cc"
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;;
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*)
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die "unknown compile type '$ctype'"
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;;
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esac
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case $linktype in
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link|run)
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[ -n "$LINK" ] || die 'must set $LINK first.'
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;;
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nolink)
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;;
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*)
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die "unknown link type '$linktype'"
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;;
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esac
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base="try.$$.tmp"
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out="$base.o"
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out2="$base.exe"
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src="$base$useExt"
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rm -f "$src" "$out" "$out2"
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set -x
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: "[trycompile]" "$@"
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main=
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[ -n "$RCC_NO_MAIN" ] || main="int main() { return 0; }"
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printf '%s' "
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$code
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$main
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" >"$src"
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NL="
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"
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IFS="$NL"
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set +e
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set -f
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# We intentionally want to split the variables here,
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# splitting on $NL, so we don't quote them.
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# 'set -f' prevents interpreting wildcards, which
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# we don't want to treat as special.
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(
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$useCC $CPPFLAGS $useCF -o "$out" -c "$src" || exit
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if [ "$linktype" = "link" -o "$linktype" = "run" ]; then
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$LINK $LDFLAGS -o "$out2" "$out" $LIBS || exit
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fi
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if [ "$linktype" = "run" ]; then
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$RUN "./$out2" || exit
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fi
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)
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rv=$?
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rm -f "$src" "$out" "$out2"
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exit "$rv"
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