RFR: 8278080: Add --with-cacerts-src='user cacerts folder' to enable determinsitic cacerts generation

[Erik Joelsson]

On Wed, 1 Dec 2021 18:30:06 GMT, Andrew Leonard <aleonard at openjdk.org> wrote:

> Addition of a configure option --with-cacerts-src='user cacerts folder' to allow developers to specify their own cacerts PEM folder for generation of the cacerts store using the deterministic openjdk GenerateCacerts tool.
> 
> Signed-off-by: Andrew Leonard <anleonar at redhat.com>

make/autoconf/jdk-options.m4 line 176:

> 174:       [specify alternative cacerts source folder containing certificates])])
> 175:   AC_MSG_CHECKING([for cacerts source])
> 176:   if test "x$with_cacerts_src" == x; then

Before this if block, please assign an empty value to CACERTS_SRC. Otherwise, if the user happens to have that variable set in the environment, that value will get recorded by configure, which is usually not something we want.

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PR: https://git.openjdk.java.net/jdk/pull/6647