From 3b8039fd51c6b2e292d44794ba273aca2c88b321 Mon Sep 17 00:00:00 2001 From: Eric Andersen Date: Sun, 3 Oct 2004 07:53:52 +0000 Subject: This patch from Mike Frysinger, extended from an earlier patch from Peter S. Mazinger implements the changes suggested by me on the uclibc list. On Tuesday 28 September 2004 02:24 pm, Erik Andersen wrote: > What I think should be done is > > *) Someone that cares about USE_CACHE should fix that option > up to be sure it works, and give it a proper config entry > in extra/Configs/Config.in, and rename it to something > more appropriate such as LDSO_CACHE_SUPPORT. > > *) When LDSO_CACHE_SUPPORT=n, UCLIBC_RUNTIME_PREFIX /usr/X11R6/lib > should be included in the default library search path in > dl-elf.c, ldd, and ldconfig. > > *) When LDSO_CACHE_SUPPORT=y, UCLIBC_RUNTIME_PREFIX /usr/X11R6/lib > should be excluded from the default library search path in > dl-elf.c, ldd, and ldconfig, and those wishing to include > X11 stuff should add that into /etc/ld.so.conf and re-run > ldconfig. > > *) At present, LDSO_CONF and LDSO_CACHE use the same names > and same structure as glibc. This precludes > LDSO_CACHE_SUPPORT being uses in any sane fashion on a > dial glibc and uClibc system. Just as it was necessary > for use to use a different name for 'libuClibc' rather > than 'libc', and 'ld-uClibc.so.0' rather than > 'ld-linux.so.2' it seems that these configuration files > really ought to be given different names. > --- extra/Configs/Config.in | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+) (limited to 'extra/Configs/Config.in') diff --git a/extra/Configs/Config.in b/extra/Configs/Config.in index d0933722e..51caa36ce 100644 --- a/extra/Configs/Config.in +++ b/extra/Configs/Config.in @@ -200,6 +200,7 @@ config FORCE_SHAREABLE_TEXT_SEGMENTS config UCLIBC_PIE_SUPPORT bool "Support ET_DYN in shared library loader" + depends on BUILD_UCLIBC_LDSO select FORCE_SHAREABLE_TEXT_SEGMENTS default n help @@ -223,6 +224,30 @@ config LDSO_LDD_SUPPORT application to function. Disabling this option will makes uClibc's shared library loader a little bit smaller. Most people will answer Y. +config LDSO_CACHE_SUPPORT + bool "Enable shared library loader cache" + depends on BUILD_UCLIBC_LDSO + default y + help + Enable this to make use of /etc/ld.so.conf, the shared library loader + cache configuration file to support for non-standard library paths. + After updating this file, it is necessary to run 'ldconfig' to update + the /etc/ld.so.cache shared library loader cache file. + +config LDSO_BASE_FILENAME + string "Shared library loader cache naming prefix" + depends on LDSO_CACHE_SUPPORT + default "ld.so" + help + If you wish to support both uClibc and glibc on the same system, it + is necessary to set this to something other than "ld.so" to avoid + conflicts with glibc, which also uses "ld.so". This prevents both + libraries from using the same /etc/ld.so.cache file. If you wish to + support both uClibc and glibc on the same system then you should set + this to "ld-uClibc.so". + + Most people will leave this set to the default of "ld.so". + config UCLIBC_CTOR_DTOR bool "Support global constructors and destructors" default y -- cgit v1.2.3