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https://issues.apache.org/jira/browse/COUCHDB-562?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12980361#action_12980361
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Randall Leeds commented on COUCHDB-562:
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The PKG_CHECK_MODULES macro expands to a setting of JS_CFLAGS and JS_LIBS on
success only when they're not already specified. This makes for some hard to
follow logic, but it's correct AFAICT.
First we check the --with values, setting JS_CFLAGS and JS_LIBS, which
essentially bypasses the pkg-config success path, but I also short-circuit the
pkg-config fail path to not clobber JS_CFLAGS or JS_LIB_DIR if only one was
set, otherwise fill in the defaults.
JS_LIBS has to get modified again later because the naming of the library on
windows builds has changed a few times. That's where the AC_CHECK_LIB calls
come in for mozjs, js, and js3250 and is the reason I only set JS_LIB_DIR in
the default case and don't add the "-l" linker flag until later (unless
pkg-config got it for us, in which case you end up with -lmozjs twice, but
that's harmless).
> link couchjs with bound libmozjs
> --------------------------------
>
> Key: COUCHDB-562
> URL: https://issues.apache.org/jira/browse/COUCHDB-562
> Project: CouchDB
> Issue Type: Improvement
> Components: Build System
> Affects Versions: 0.11
> Environment: linux, ubuntu,debian
> Reporter: Meno Abels
> Fix For: 1.2
>
> Attachments: couchdb-562.patch, couchdb-562_2.patch,
> couchdb-mozjs-rpath.patch
>
>
> If you build the couchdb from the source with a prefix set and
> --with-js-[lib|include] option the resulting couchjs programm in
> <prefix>/lib/couchdb/bin/couchjs does not know where to find the specified
> libmozjs.so which was specified in with-js-lib. This causes that quite all
> test will fail.
> To fix this the rpath has to setup during the compile. I don't had a look
> where to do this.
> but a small shell wrapper fix it also
> #!/bin/sh
> LD_LIBRARY_PATH=... exec $0.orig $@
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