http://sourceware.org/bugzilla/show_bug.cgi?id=12451
Summary: --build-id regression
Product: binutils
Version: 2.22 (HEAD)
Status: NEW
Severity: normal
Priority: P2
Component: binutils
AssignedTo: [email protected]
ReportedBy: [email protected]
Apparently ld --build-id behavior changed recently, so it no longer checksums
symbol table sections.
A short testcase:
cat > A.java <<\EOF
class A
{
public static void main(String args[])
{
System.out.println("Hello World!");
}
}
EOF
sed s/A/B/ A.java > B.java
gcj -C A.java
gcj -C B.java
gcj -shared -fpic -o libAB.so A.class B.class
gcj -o A -fmain=A ./libAB.so -Wl,--build-id
gcj -o B -fmain=B ./libAB.so -Wl,--build-id
objdump -s -j .note.gnu.build-id A B
While with older linkers (e.g. 2.20.51.0.2) the build ids were different
between A and B, in CVS head as well as 2.21.51.0.5 the build ids are the same,
eventhough the binaries are different (although they have exactly the same code
sections, as they call different code they certainly aren't the same).
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