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d3d056d27a
In other words, a linker shouldn't pull out an object file from an archive to resolve an existing undefined or a common symbol with a common symbol. This is needed by Gentoo's app-arch/dump-0.4.47 package.
47 lines
794 B
Bash
Executable File
47 lines
794 B
Bash
Executable File
#!/bin/bash
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set -e
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cd $(dirname $0)
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echo -n "Testing $(basename -s .sh $0) ... "
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t=$(pwd)/tmp/$(basename -s .sh $0)
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mkdir -p $t
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cat <<EOF | cc -fcommon -xc -c -o $t/a.o -
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#include <stdio.h>
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int foo;
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int bar;
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__attribute__((weak)) int two();
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int main() {
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printf("%d %d %d\n", foo, bar, two ? two() : -1);
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}
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EOF
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cat <<EOF | cc -fcommon -xc -c -o $t/b.o -
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int foo = 5;
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EOF
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cat <<EOF | cc -fcommon -xc -c -o $t/c.o -
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int bar;
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int two() { return 2; }
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EOF
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rm -f $t/d.a
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ar rcs $t/d.a $t/b.o $t/c.o
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clang -fuse-ld=`pwd`/../mold -o $t/exe $t/a.o $t/d.a
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$t/exe | grep -q '5 0 -1'
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cat <<EOF | cc -fcommon -xc -c -o $t/e.o -
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int bar = 0;
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int two() { return 2; }
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EOF
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rm -f $t/e.a
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ar rcs $t/e.a $t/b.o $t/e.o
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clang -fuse-ld=`pwd`/../mold -o $t/exe $t/a.o $t/e.a
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$t/exe | grep -q '5 0 2'
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echo OK
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