Hi there, I'm attempting to build libunwind on my mac os X - but am getting hit with a few different compiler errors (just the first three - there are more - mostly related to the elf dependency):------------------------------------/usr/include/ucontext.h:43:2: error: The deprecated ucontext routines require _XOPEN_SOURCE to be defined#error The deprecated ucontext routines require _XOPEN_SOURCE to be defined ^In file included from mi/init.c:26:In file included from ../include/libunwind_i.h:52:In file included from ../include/libunwind.h:25:../include/libunwind-x86_64.h:121:9: error: unknown type name 'ucontext_t'typedef ucontext_t unw_tdep_context_t; ^In file included from mi/init.c:26:../include/libunwind_i.h:66:3: error: Could not locate <elf.h># error Could not locate <elf.h>------------------------------------ I tried running the configure command for the intel compiler:----------./configure CC=icc CFLAGS="-g -O3 -ip" CXX=icc CCAS=gcc CCASFLAGS=-g LDFLAGS="-L$PWD/src/.libs" ---------- as mentioned in the readme - but then I just get:----------checking whether the C compiler works... noconfigure: error: in `/Users/Cassidy/P4/van-perf01-lnx/source/libunwind':configure: error: C compiler cannot create executables---------- I checked the config.log - but couldn't make heads nor tails of it:--------------------------------------It was created by libunwind configure 1.1, which wasgenerated by GNU Autoconf 2.69. Invocation command line was $ ./configure CC=icc CFLAGS=-g -O3 -ip CXX=icc CCAS=gcc CCASFLAGS=-g LDFLAGS=-L/Users/Cassidy/source/libunwind/src/.libs ## --------- #### Platform. #### --------- ## hostname = uname -m = x86_64uname -r = 14.5.0uname -s = Darwinuname -v = Darwin Kernel Version 14.5.0: Wed Jul 29 02:26:53 PDT 2015; root:xnu-2782.40.9~1/RELEASE_X86_64 /usr/bin/uname -p = i386/bin/uname -X = unknown /bin/arch = unknown/usr/bin/arch -k = unknown/usr/convex/getsysinfo = unknown/usr/bin/hostinfo = Mach kernel version: Darwin Kernel Version 14.5.0: Wed Jul 29 02:26:53 PDT 2015; root:xnu-2782.40.9~1/RELEASE_X86_64Kernel configured for up to 8 processors.4 processors are physically available.8 processors are logically available.Processor type: x86_64h (Intel x86-64h Haswell) [SNIP] configure: exit 77 --------------------------------------
If you know of anything to point me in the right direction - I'd appreciate it. In case it is useful (for background info - what I'm trying to accomplish) - I'm building a lib for android. I was hoping to use the native libunwind using the build settings:APP_STL := c++_staticAPP_ABI := armeabi armeabi-v7a x86 I actually don't need to use the c++_static STL - but it was the only one that seemed to allow me to link against libunwind. This works fine except for the x86 platform. Oddly enough - when I looked at the code in sources/cxx-stl/llvm-libc++abi/libcxxabi/ I noticed that there is support for x86. But, even if I include the needed header file for my x86 platform - by adding the following to my Android.mk's LOCAL_C_INCLUDES:/opt/android-ndk-r10e/sources/cxx-stl/llvm-libc++abi/libcxxabi/include I (not surprisingly) get a linker error about the various function definitions. Anyway, not sure if this background information is useful - but if there is a simpler approach - please feel free to suggest it. Thanks,Tim
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