From bb3e4dda5d85402fadcecc97589ea4e452c36c98 Mon Sep 17 00:00:00 2001 From: Richard Purdie Date: Tue, 29 Jun 2010 00:35:02 +0100 Subject: gcc: Add patch to allow disabling of libstdc++ linkage and hence fix gcc-runtime which was having broken configure tests due to the linker failures and assuming maths primitives were not in libm Signed-off-by: Richard Purdie --- meta/packages/gcc/gcc-4.3.3/optional_libstdc.patch | 23 ++++++++++++++++++++++ 1 file changed, 23 insertions(+) create mode 100644 meta/packages/gcc/gcc-4.3.3/optional_libstdc.patch (limited to 'meta/packages/gcc/gcc-4.3.3/optional_libstdc.patch') diff --git a/meta/packages/gcc/gcc-4.3.3/optional_libstdc.patch b/meta/packages/gcc/gcc-4.3.3/optional_libstdc.patch new file mode 100644 index 000000000..0f74353a1 --- /dev/null +++ b/meta/packages/gcc/gcc-4.3.3/optional_libstdc.patch @@ -0,0 +1,23 @@ +gcc-runtime builds libstdc++ separately from gcc-cross-*. Its configure tests using g++ +will not run correctly since my default the linker will try and link against libstdc++ +which shouldn't exist yet. We need an option to disable the automatically added -lstdc++ +option whilst leaving -lc, -lgcc and other automatic library dependencies. This patch +adds such an option which only disables the -lstdc++ linkage. + +A "standard" gcc build uses xgcc and hence avoids this. We should ask upstream how to +do this officially, the likely answer is don't build libstdc++ separately. + +RP 29/6/10 + +Index: gcc-4.3.3/gcc/cp/g++spec.c +=================================================================== +--- gcc-4.3.3.orig/gcc/cp/g++spec.c 2010-06-29 00:06:03.901695025 +0100 ++++ gcc-4.3.3/gcc/cp/g++spec.c 2010-06-29 00:06:58.800325439 +0100 +@@ -131,6 +131,7 @@ + if (argv[i][0] == '-') + { + if (strcmp (argv[i], "-nostdlib") == 0 ++ || strcmp (argv[i], "-nostdlib++") == 0 + || strcmp (argv[i], "-nodefaultlibs") == 0) + { + library = -1; -- cgit v1.2.3