[geany/geany] 10e9dd: autotools: Workaround a Ubuntu issue when installing in /usr/local/lib

[Colomban Wendling]

Branch:      refs/heads/master
Author:      Colomban Wendling <ban at herbesfolles.org>
Committer:   Colomban Wendling <ban at herbesfolles.org>
Date:        Sun, 05 Jul 2015 14:17:55 UTC
Commit:      10e9dd70899cf7bc28246d84dce8a6483ed85f80
             https://github.com/geany/geany/commit/10e9dd70899cf7bc28246d84dce8a6483ed85f80

Log Message:
-----------
autotools: Workaround a Ubuntu issue when installing in /usr/local/lib

Ubuntu's linker apparently has a bug when installing in /usr/local/lib,
as it is setup in such a way that makes libtool recognize it correctly
as a system path so doesn't add RPATH to our executable, but ld can't
find the library without an explicit ldconfig call (unlike when
installing in /usr/lib).

So, workaround this by explicitly calling ldconfig when installing in
/usr/local/lib -- and when our library is actually not found, to try
and avoid doing something unnecessary on working systems, like e.g.
Debian.


Modified Paths:
--------------
    src/Makefile.am

Modified: src/Makefile.am
13 lines changed, 13 insertions(+), 0 deletions(-)
===================================================================
@@ -179,3 +179,16 @@ signallist.i: $(glade_file) Makefile
 	) > $@ || { $(RM) $@ && exit 1; }
 
 CLEANFILES += signallist.i
+
+# Ubuntu ld has a bug so that libtool sees /usr/local/lib as a system path so
+# doesn't add RPATH, but ld requires explicit ldconfig there, unlike when
+# installing in /usr/lib.  So, workaround this by calling it explicitly when
+# installing in /usr/local/lib and libgeany is not found by the linker.
+fix-ubuntu-libdir:
+	if test "$(DESTDIR)$(libdir)" = /usr/local/lib && \
+	   LANG=C ldd "$(DESTDIR)$(bindir)/geany" | grep -q 'libgeany.*not found' \
+	; then \
+		ldconfig "$(DESTDIR)$(libdir)"; \
+	fi
+
+install-exec-hook: fix-ubuntu-libdir



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