From: Thomas Petazzoni Date: Thu, 3 Aug 2017 21:30:27 +0000 (+0200) Subject: glibc: add patch fixing the build with binutils 2.29 X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=cf821efbd0b24690b52f379d4a9934a16073762e;p=buildroot.git glibc: add patch fixing the build with binutils 2.29 Fixes the following build failure, which occurs on all architectures: /tmp/cc6APNmN.s: Assembler messages: /tmp/cc6APNmN.s: Error: `loc1@GLIBC_2.17' can't be versioned to common symbol 'loc1' /tmp/cc6APNmN.s: Error: `loc2@GLIBC_2.17' can't be versioned to common symbol 'loc2' /tmp/cc6APNmN.s: Error: `locs@GLIBC_2.17' can't be versioned to common symbol 'locs' ../o-iterator.mk:9: recipe for target '/tmp/output/build/glibc-2.25/build/misc/regexp.os' failed Signed-off-by: Thomas Petazzoni Signed-off-by: Arnout Vandecappelle (Essensium/Mind) --- diff --git a/package/glibc/0005-fix-binutils-2-29-build.patch b/package/glibc/0005-fix-binutils-2-29-build.patch new file mode 100644 index 0000000000..47fcd2f84e --- /dev/null +++ b/package/glibc/0005-fix-binutils-2-29-build.patch @@ -0,0 +1,65 @@ +From: H.J. Lu +Date: Fri, 23 Jun 2017 21:38:46 +0000 (-0700) +Subject: Avoid .symver on common symbols [BZ #21666] +X-Git-Tag: glibc-2.26~241 +X-Git-Url: https://sourceware.org/git/gitweb.cgi?p=glibc.git;a=commitdiff_plain;h=388b4f1a02f3a801965028bbfcd48d905638b797 + +Avoid .symver on common symbols [BZ #21666] + +The .symver directive on common symbol just creates a new common symbol, +not an alias and the newer assembler with the bug fix for + +https://sourceware.org/bugzilla/show_bug.cgi?id=21661 + +will issue an error. Before the fix, we got + +$ readelf -sW libc.so | grep "loc[12s]" + 5109: 00000000003a0608 8 OBJECT LOCAL DEFAULT 36 loc1 + 5188: 00000000003a0610 8 OBJECT LOCAL DEFAULT 36 loc2 + 5455: 00000000003a0618 8 OBJECT LOCAL DEFAULT 36 locs + 6575: 00000000003a05f0 8 OBJECT GLOBAL DEFAULT 36 locs@GLIBC_2.2.5 + 7156: 00000000003a05f8 8 OBJECT GLOBAL DEFAULT 36 loc1@GLIBC_2.2.5 + 7312: 00000000003a0600 8 OBJECT GLOBAL DEFAULT 36 loc2@GLIBC_2.2.5 + +in libc.so. The versioned loc1, loc2 and locs have the wrong addresses. +After the fix, we got + +$ readelf -sW libc.so | grep "loc[12s]" + 6570: 000000000039e3b8 8 OBJECT GLOBAL DEFAULT 34 locs@GLIBC_2.2.5 + 7151: 000000000039e3c8 8 OBJECT GLOBAL DEFAULT 34 loc1@GLIBC_2.2.5 + 7307: 000000000039e3c0 8 OBJECT GLOBAL DEFAULT 34 loc2@GLIBC_2.2.5 + + [BZ #21666] + * misc/regexp.c (loc1): Add __attribute__ ((nocommon)); + (loc2): Likewise. + (locs): Likewise. + +Signed-off-by: Thomas Petazzoni +[Backported from upstream commit +388b4f1a02f3a801965028bbfcd48d905638b797, to fix the build with +binutils 2.29.] +--- +diff --git a/misc/regexp.c b/misc/regexp.c +index 19d76c0..eaea7c3 100644 +--- a/misc/regexp.c ++++ b/misc/regexp.c +@@ -29,14 +29,15 @@ + + #if SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_23) + +-/* Define the variables used for the interface. */ +-char *loc1; +-char *loc2; ++/* Define the variables used for the interface. Avoid .symver on common ++ symbol, which just creates a new common symbol, not an alias. */ ++char *loc1 __attribute__ ((nocommon)); ++char *loc2 __attribute__ ((nocommon)); + compat_symbol (libc, loc1, loc1, GLIBC_2_0); + compat_symbol (libc, loc2, loc2, GLIBC_2_0); + + /* Although we do not support the use we define this variable as well. */ +-char *locs; ++char *locs __attribute__ ((nocommon)); + compat_symbol (libc, locs, locs, GLIBC_2_0); + +