[oe-commits] [openembedded-core] 06/11: bintuils: Fix relocation of ld.so.conf in nativesdk builds

[git at git.openembedded.org]

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rpurdie pushed a commit to branch master-next
in repository openembedded-core.

commit bff30f010b1a5b114ecd53f62f35df3fcf3921ec
Author: Richard Purdie <richard.purdie at linuxfoundation.org>
AuthorDate: Fri Jan 17 17:21:39 2020 +0000

    bintuils: Fix relocation of ld.so.conf in nativesdk builds
    
    Signed-off-by: Richard Purdie <richard.purdie at linuxfoundation.org>
---
 .../binutils/binutils/nativesdk-relocation.patch   | 80 ++++++++++++++++++++++
 meta/recipes-devtools/binutils/binutils_2.33.bb    |  2 +
 2 files changed, 82 insertions(+)

diff --git a/meta/recipes-devtools/binutils/binutils/nativesdk-relocation.patch b/meta/recipes-devtools/binutils/binutils/nativesdk-relocation.patch
new file mode 100644
index 0000000..408f7d1
--- /dev/null
+++ b/meta/recipes-devtools/binutils/binutils/nativesdk-relocation.patch
@@ -0,0 +1,80 @@
+We need binutils to look at our ld.so.conf file within the SDK to ensure 
+we search the SDK's libdirs as well as those from the host system.
+
+We therefore pass in the directory to the code using a define, then add
+it to a section we relocate in a similar way to the way we relocate the
+gcc internal paths. This ensures that ld works correctly in our buildtools
+tarball.
+
+Standard sysroot relocation doesn't work since we're not in a sysroot, 
+we want to use both the host system and SDK libs.
+
+Signed-off-by: Richard Purdie <richard.purdie at linuxfoundation.org>
+2020/1/17
+Upstream-Status: Inappropriate [OE specific tweak]
+
+Index: git/ld/Makefile.am
+===================================================================
+--- git.orig/ld/Makefile.am
++++ git/ld/Makefile.am
+@@ -36,7 +36,8 @@ am__skipyacc =
+ 
+ ELF_CLFAGS=-DELF_LIST_OPTIONS=@elf_list_options@ \
+ 	   -DELF_SHLIB_LIST_OPTIONS=@elf_shlib_list_options@ \
+-	   -DELF_PLT_UNWIND_LIST_OPTIONS=@elf_plt_unwind_list_options@
++	   -DELF_PLT_UNWIND_LIST_OPTIONS=@elf_plt_unwind_list_options@ \
++           -DSYSCONFDIR="\"$(sysconfdir)\""
+ WARN_CFLAGS = @WARN_CFLAGS@
+ NO_WERROR = @NO_WERROR@
+ AM_CFLAGS = $(WARN_CFLAGS) $(ELF_CLFAGS)
+Index: git/ld/Makefile.in
+===================================================================
+--- git.orig/ld/Makefile.in
++++ git/ld/Makefile.in
+@@ -546,7 +546,8 @@ am__skiplex =
+ am__skipyacc = 
+ ELF_CLFAGS = -DELF_LIST_OPTIONS=@elf_list_options@ \
+ 	   -DELF_SHLIB_LIST_OPTIONS=@elf_shlib_list_options@ \
+-	   -DELF_PLT_UNWIND_LIST_OPTIONS=@elf_plt_unwind_list_options@
++	   -DELF_PLT_UNWIND_LIST_OPTIONS=@elf_plt_unwind_list_options@ \
++           -DSYSCONFDIR="\"$(sysconfdir)\""
+ 
+ AM_CFLAGS = $(WARN_CFLAGS) $(ELF_CLFAGS)
+ @ENABLE_PLUGINS_FALSE at PLUGIN_C = 
+Index: git/ld/emultempl/elf32.em
+===================================================================
+--- git.orig/ld/emultempl/elf32.em
++++ git/ld/emultempl/elf32.em
+@@ -1024,7 +1024,7 @@ gld${EMULATION_NAME}_check_ld_so_conf (c
+ 
+       info.path = NULL;
+       info.len = info.alloc = 0;
+-      tmppath = concat (ld_sysroot, "${prefix}/etc/ld.so.conf",
++      tmppath = concat (ld_sysconfdir, "/ld.so.conf",
+ 			(const char *) NULL);
+       if (!gld${EMULATION_NAME}_parse_ld_so_conf (&info, tmppath))
+ 	{
+Index: git/ld/ldmain.c
+===================================================================
+--- git.orig/ld/ldmain.c
++++ git/ld/ldmain.c
+@@ -68,6 +68,7 @@ char *program_name;
+ 
+ /* The prefix for system library directories.  */
+ const char *ld_sysroot;
++char ld_sysconfdir[4096] __attribute__ ((section (".gccrelocprefix"))) = SYSCONFDIR;
+ 
+ /* The canonical representation of ld_sysroot.  */
+ char *ld_canon_sysroot;
+Index: git/ld/ldmain.h
+===================================================================
+--- git.orig/ld/ldmain.h
++++ git/ld/ldmain.h
+@@ -23,6 +23,7 @@
+ 
+ extern char *program_name;
+ extern const char *ld_sysroot;
++extern char ld_sysconfdir[4096];
+ extern char *ld_canon_sysroot;
+ extern int ld_canon_sysroot_len;
+ extern FILE *saved_script_handle;
diff --git a/meta/recipes-devtools/binutils/binutils_2.33.bb b/meta/recipes-devtools/binutils/binutils_2.33.bb
index 8931591..c2833b8 100644
--- a/meta/recipes-devtools/binutils/binutils_2.33.bb
+++ b/meta/recipes-devtools/binutils/binutils_2.33.bb
@@ -51,5 +51,7 @@ do_install_class-native () {
 PACKAGE_BEFORE_PN += "libbfd"
 FILES_libbfd = "${libdir}/libbfd-*.so"
 
+SRC_URI_append_class-nativesdk =  "file://nativesdk-relocation.patch"
+
 BBCLASSEXTEND = "native nativesdk"
 

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