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distro: Patch libc to avoid accessing /etc/ld.so.cache and friends.

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* distro/packages/base.scm (glibc): Apply `glibc-no-ld-so-cache.patch'.
  (glibc-final): Inherit GLIBC's inputs.
* distro/packages/patches/glibc-no-ld-so-cache.patch: New file.
* Makefile.am (dist_patch_DATA): Add it.
This commit is contained in:
Ludovic Courtès 2012-11-12 23:58:01 +01:00
parent 0db342a590
commit 25608d640a
3 changed files with 59 additions and 1 deletions
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1
Makefile.am
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@ -75,6 +75,7 @@ patchdir = $(pkgdatadir)/patches
dist_patch_DATA = \
distro/packages/patches/binutils-ld-new-dtags.patch \
distro/packages/patches/diffutils-gets-undeclared.patch \
distro/packages/patches/glibc-no-ld-so-cache.patch \
distro/packages/patches/guile-1.8-cpp-4.5.patch \
distro/packages/patches/guile-default-utf8.patch \
distro/packages/patches/guile-relocatable.patch \

6
distro/packages/base.scm
View file

@ -511,6 +511,7 @@ (define-public glibc
(arguments
`(#:out-of-source? #t
#:patches (list (assoc-ref %build-inputs "patch/ld.so.cache"))
#:configure-flags
(list "--enable-add-ons"
"--sysconfdir=/etc"
@ -550,6 +551,8 @@ (define-public glibc
;; 4.7.1.
((" -lgcc_s") ""))))
%standard-phases)))
(inputs `(("patch/ld.so.cache"
,(search-patch "glibc-no-ld-so-cache.patch"))))
(synopsis "The GNU C Library")
(description
"Any Unix-like operating system needs a C library: the library which
@ -792,7 +795,8 @@ (define-public glibc-final
(propagated-inputs `(("linux-headers" ,linux-libre-headers-boot0)))
(inputs `( ;; A native GCC is needed to build `cross-rpcgen'.
("native-gcc" ,@(assoc-ref %boot0-inputs "gcc"))
,@%boot1-inputs)))))
,@%boot1-inputs
,@(package-inputs glibc)))))) ; patches
(define gcc-boot0-wrapped
;; Make the cross-tools GCC-BOOT0 and BINUTILS-BOOT0 available under the

53
distro/packages/patches/glibc-no-ld-so-cache.patch Normal file
View file

@ -0,0 +1,53 @@
Disable attempts to use the system-wide /etc/ld.so.cache. This is
required on LFS distros to avoid loading the distro's libc.so instead
of ours.
Patch from Nixpkgs. Idea by Eelco Dolstra, initial patch by Jack
Cummings, minor fixups by Shea Levy.
diff -Naur glibc-2.13-orig/elf/ldconfig.c glibc-2.13/elf/ldconfig.c
--- glibc-2.13-orig/elf/ldconfig.c 2011-01-17 23:34:07.000000000 -0500
+++ glibc-2.13/elf/ldconfig.c 2012-04-10 23:28:45.957492340 -0400
@@ -51,7 +51,7 @@
#endif
#ifndef LD_SO_CONF
-# define LD_SO_CONF SYSCONFDIR "/ld.so.conf"
+# define LD_SO_CONF PREFIX "/etc/ld.so.conf"
#endif
/* Get libc version number. */
--- glibc-2.16.0/elf/Makefile 2012-06-30 21:12:34.000000000 +0200
+++ glibc-2.16.0/elf/Makefile 2012-11-12 23:52:21.000000000 +0100
@@ -415,12 +415,12 @@ $(objpfx)ldconfig: $(ldconfig-modules:%=
$(objpfx)pldd: $(pldd-modules:%=$(objpfx)%.o)
-SYSCONF-FLAGS := -D'SYSCONFDIR="$(sysconfdir)"'
-CFLAGS-ldconfig.c = $(SYSCONF-FLAGS) -D'LIBDIR="$(libdir)"' \
+PREFIX-FLAGS := -D'PREFIX="$(sysconfdir)"'
+CFLAGS-ldconfig.c = $(PREFIX-FLAGS) -D'LIBDIR="$(libdir)"' \
-D'SLIBDIR="$(slibdir)"' -DIS_IN_ldconfig=1
-CFLAGS-dl-cache.c = $(SYSCONF-FLAGS)
-CFLAGS-cache.c = $(SYSCONF-FLAGS)
-CFLAGS-rtld.c = $(SYSCONF-FLAGS)
+CFLAGS-dl-cache.c = $(PREFIX-FLAGS)
+CFLAGS-cache.c = $(PREFIX-FLAGS)
+CFLAGS-rtld.c = $(PREFIX-FLAGS)
CPPFLAGS-.os += $(if $(filter $(@F),$(patsubst %,%.os,$(all-rtld-routines))),\
-DNOT_IN_libc=1 -DIS_IN_rtld=1 -DIN_LIB=rtld)
diff -Naur glibc-2.13-orig/sysdeps/generic/dl-cache.h glibc-2.13/sysdeps/generic/dl-cache.h
--- glibc-2.13-orig/sysdeps/generic/dl-cache.h 2011-01-17 23:34:07.000000000 -0500
+++ glibc-2.13/sysdeps/generic/dl-cache.h 2012-04-10 23:28:20.077488815 -0400
@@ -29,7 +29,7 @@
#endif
#ifndef LD_SO_CACHE
-# define LD_SO_CACHE SYSCONFDIR "/ld.so.cache"
+# define LD_SO_CACHE PREFIX "/etc/ld.so.cache"
#endif
#ifndef add_system_dir