From 9906f949627b64f9fc36bc129bb37c8dd84dc27c Mon Sep 17 00:00:00 2001 From: Jonathan Liu Date: Mon, 9 Mar 2015 15:50:18 +1100 Subject: libunwind: backport patch to link against libgcc_s intead of libgcc Signed-off-by: Jonathan Liu Signed-off-by: Ross Burton --- ...-libunwind-to-libgcc_s-rather-than-libgcc.patch | 42 ++++++++++++++++++++++ 1 file changed, 42 insertions(+) create mode 100644 meta/recipes-support/libunwind/libunwind-1.1/Link-libunwind-to-libgcc_s-rather-than-libgcc.patch (limited to 'meta/recipes-support/libunwind/libunwind-1.1') diff --git a/meta/recipes-support/libunwind/libunwind-1.1/Link-libunwind-to-libgcc_s-rather-than-libgcc.patch b/meta/recipes-support/libunwind/libunwind-1.1/Link-libunwind-to-libgcc_s-rather-than-libgcc.patch new file mode 100644 index 0000000000..0e55c91b80 --- /dev/null +++ b/meta/recipes-support/libunwind/libunwind-1.1/Link-libunwind-to-libgcc_s-rather-than-libgcc.patch @@ -0,0 +1,42 @@ +From 508ca17a7be01d1cc960d9a07d0af4513948fb8d Mon Sep 17 00:00:00 2001 +From: Thierry Reding +Date: Fri, 27 Jun 2014 08:40:33 +0200 +Subject: [PATCH] Link libunwind to libgcc_s rather than libgcc + +For some architectures, -lgcc and -lgcc_s are not equivalent. On ARM for +example, libgcc_s.so.1 contains some symbols needed by libunwind which +are not present in libgcc. + +This causes the following link error when building the X.Org X server +with libunwind support: + + CCLD Xorg + /usr/lib/libunwind.so: undefined reference to `__aeabi_unwind_cpp_pr0' + /usr/lib/libunwind.so: undefined reference to `__aeabi_unwind_cpp_pr1' + +Linking against libgcc_s explicitly solves this problem. + +Upstream-Status: Backport + +Signed-off-by: Thierry Reding +Signed-off-by: Jonathan Liu +--- + configure.ac | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +diff --git a/configure.ac b/configure.ac +index cffe19b..3beb5f2 100644 +--- a/configure.ac ++++ b/configure.ac +@@ -258,7 +258,7 @@ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[#ifndef __INTEL_COMPILER + + if test x$GCC = xyes -a x$intel_compiler != xyes; then + CFLAGS="${CFLAGS} -fexceptions -Wall -Wsign-compare" +- LIBCRTS="-lgcc" ++ LIBCRTS="-lgcc_s" + fi + AC_MSG_RESULT([$intel_compiler]) + +-- +2.3.2 + -- cgit v1.2.3