From 143f02e0ce81ec8886bbdfd73f139eadb910cfe3 Mon Sep 17 00:00:00 2001 From: Johannes Stezenbach Date: Thu, 29 Jul 2010 19:47:16 +0200 Subject: cc/gcc: add option to compile against static libstdc++, for gcc-4.4 and newer Idea and know-how taken from CodeSourcery build script. Normal build: $ ldd arm-unknown-linux-uclibcgnueabi-gcc linux-gate.so.1 => (0xb77f3000) libstdc++.so.6 => /usr/lib/libstdc++.so.6 (0xb76e8000) libc.so.6 => /lib/i686/cmov/libc.so.6 (0xb75a1000) libm.so.6 => /lib/i686/cmov/libm.so.6 (0xb757a000) /lib/ld-linux.so.2 (0xb77f4000) libgcc_s.so.1 => /lib/libgcc_s.so.1 (0xb755c000) CC_STATIC_LIBSTDCXX=y: $ ldd arm-unknown-linux-uclibcgnueabi-gcc linux-gate.so.1 => (0xb7843000) libc.so.6 => /lib/i686/cmov/libc.so.6 (0xb76e6000) /lib/ld-linux.so.2 (0xb7844000) I made CC_STATIC_LIBSTDCXX default=y since I think it is always desirable. Signed-off-by: Johannes Stezenbach --- config/cc/gcc.in.2 | 12 ++++++++++++ 1 file changed, 12 insertions(+) (limited to 'config/cc') diff --git a/config/cc/gcc.in.2 b/config/cc/gcc.in.2 index d6827697..cfef3f1b 100644 --- a/config/cc/gcc.in.2 +++ b/config/cc/gcc.in.2 @@ -7,6 +7,18 @@ config CC_GCC_ENABLE_TARGET_OPTSPACE This will compile crossgcc's libs with -Os. +config CC_STATIC_LIBSTDCXX + bool + prompt "Link libstdc++ statically into the gcc binary" + default y + depends on CC_GCC_4_4_or_later + help + Newer gcc versions use the PPL library which is C++ code. Statically + linking libstdc++ increases the likeliness that the gcc binary will + run on machines other than the one which it was built on, without + having to worry about distributing the matching version of libstdc++ + along with it. + comment "Misc. obscure options." config CC_CXA_ATEXIT -- cgit v1.2.3