Summary: Keep the ccache work-around so as to not break Oracle internal JDK 8 builds.
Reviewed-by: erikj, kevinw

Reviewed-by: erikj, ihse

Reviewed-by: ihse, tbell

Reviewed-by: tbell, erikj

Summary: reapply JDK- 8187045 changes to flags.m4
Reviewed-by: tbell, erikj

Reviewed-by: ihse, kevinw

Reviewed-by: erikj, ihse

Reviewed-by: erikj, ihse, ddehaven, billyh

Reviewed-by: andrew

Reviewed-by: erikj, tbell

Reviewed-by: simonis, erikj, ihse

Reviewed-by: erikj, tbell, erikj, simonis
Contributed-by: volker.simonis@gmail.com, erik.joelsson@oracle.com

Reviewed-by: erikj, ihse

Reviewed-by: ihse, tbell

Reviewed-by: ihse, dholmes, tbell

Reviewed-by: ihse, mduigou, tbell

Reviewed-by: ihse, erikj, tbell

Reviewed-by: erikj, tbell, ihse

Reviewed-by: erikj, alanb, katleman

Reviewed-by: ihse, erikj, tbell

Reviewed-by: ihse, erikj

Reviewed-by: ihse, henryjen, erikj

Reviewed-by: ihse, erikj

Reviewed-by: ihse, tbell, mduigou, erikj

Reviewed-by: erikj, herrick

Reviewed-by: mduigou, tbell