Clang-3.8 @3.8.1_6 fails to build on Snow Leopard, Mac OS X 10.6.8, because 'arm/limits.h' cannot be found

[ballapete (Peter "Pete" Dyballa)]

[  9%] Building C object projects/compiler-rt/lib/builtins/CMakeFiles/clang_rt.soft_static_armv7m_macho_embedded.dir/adddf3.c.o
cd /opt/local/var/macports/build/_opt_local_var_macports_sources_nue.de.rsync.macports.org_macports_release_tarballs_ports_lang_llvm-3.8/clang-3.8/work/build/projects/compiler-rt/lib/builtins && /opt/local/bin/clang-mp-3.7  -D_DEBUG -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -I/opt/local/var/macports/build/_opt_local_var_macports_sources_nue.de.rsync.macports.org_macports_release_tarballs_ports_lang_llvm-3.8/clang-3.8/work/build/projects/compiler-rt/lib/builtins -I/opt/local/var/macports/build/_opt_local_var_macports_sources_nue.de.rsync.macports.org_macports_release_tarballs_ports_lang_llvm-3.8/clang-3.8/work/llvm-3.8.1.src/projects/compiler-rt/lib/builtins -I/opt/local/var/macports/build/_opt_local_var_macports_sources_nue.de.rsync.macports.org_macports_release_tarballs_ports_lang_llvm-3.8/clang-3.8/work/build/include -I/opt/local/var/macports/build/_opt_local_var_macports_sources_nue.de.rsync.macports.org_macports_release_tarballs_ports_lang_llvm-3.8/clang-3.8/work/llvm-3.8.1.src[  9%] Building C object projects/compiler-rt/lib/builtins/CMakeFiles/clang_rt.cc_kext_x86_64_osx.dir/addvsi3.c.o
/include  -g -arch armv7m    -isysroot /Developer/SDKs/MacOSX10.6.sdk -Oz -Wall -fomit-frame-pointer -ffreestanding -arch armv7m -static -mfloat-abi=soft -o CMakeFiles/clang_rt.soft_static_armv7m_macho_embedded.dir/adddf3.c.o   -c /opt/local/var/macports/build/_opt_local_var_macports_sources_nue.de.rsync.macports.org_macports_release_tarballs_ports_lang_llvm-3.8/clang-3.8/work/llvm-3.8.1.src/projects/compiler-rt/lib/builtins/adddf3.c
In file included from [  9%] Building CXX object lib/Support/CMakeFiles/LLVMSupport.dir/SmallVector.cpp.o
/opt/local/var/macports/build/_opt_local_var_macports_sources_nue.de.rsync.macports.org_macports_release_tarballs_ports_lang_llvm-3.8/clang-3.8/work/llvm-3.8.1.src/projects/compiler-rt/lib/builtins/arm/aeabi_drsub.c:11:
In file included from /opt/local/var/macports/build/_opt_local_var_macports_sources_nue.de.rsync.macports.org_macports_release_tarballs_ports_lang_llvm-3.8/clang-3.8/work/llvm-3.8.1.src/projects/compiler-rt/lib/builtins/arm/../fp_lib.h:26:
In file included from /opt/local/libexec/llvm-3.7/bin/../lib/clang/3.7.1/include/limits.h:37[  9%] Building C object projects/compiler-rt/lib/builtins/CMakeFiles/clang_rt.soft_static_armv6m_macho_embedded.dir/muldf3.c.o
[  9%] Building C object projects/compiler-rt/lib/builtins/CMakeFiles/clang_rt.soft_static_armv7em_macho_embedded.dir/truncdfsf2.c.o
:
In file included from /Developer/SDKs/MacOSX10.6.sdk/usr/include/limits.h:64:
/Developer/SDKs/MacOSX10.6.sdk/usr/include/machine/limits.h:10:10: fatal error: 'arm/limits.h' file not found
#include <arm/limits.h>
         ^
cd /opt/local/var/macports/build/_opt_local_var_macports_sources_nue.de.rsync.macports.org_macports_release_tarballs_ports_lang_llvm-3.8/clang-3.8/work/build/projects/compiler-rt/lib/builtins && /opt/local/bin/clang-mp-3.7  -DKERNEL_USE -D_DEBUG -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -I/opt/local/var/macports/build/_opt_local_var_macports_sources_nue.de.rsync.macports.org_macports_release_tarballs_ports_lang_llvm-3.8/clang-3.8/work/build/projects/compiler-rt/lib/builtins -I/opt/local/var/macports/build/_opt_local_var_macports_sources_nue.de.rsync.macports.org_macports_release_tarballs_ports_lang_llvm-3.8/clang-3.8/work/llvm-3.8.1.src/projects/compiler-rt/lib/builtins -I/opt/local/var/macports/build/_opt_local_var_macports_sources_nue.de.rsync.macports.org_macports_release_tarballs_ports_lang_llvm-3.8/clang-3.8/work/build/include -I/opt/local/var/macports/build/_opt_local_var_macports_sources_nue.de.rsync.macports.org_macports_release_tarballs_ports_lang_llvm-3.8/clang-3.8/work/llvm-3.8.1.src/include  -g -arch x86_64    -isysroot /Developer/SDKs/MacOSX10.6.sdk -mmacosx-version-min=10.5 -fPIC -O3 -fvisibility=hidden -DVISIBILITY_HIDDEN -Wall -fomit-frame-pointer -arch x86_64 -mkernel -o CMakeFiles/clang_rt.cc_kext_x86_64_osx.dir/addvsi3.c.o   -c /opt/local/var/macports/build/_opt_local_var_macports_sources_nue.de.rsync.macports.org_macports_release_tarballs_ports_lang_llvm-3.8/clang-3.8/work/llvm-3.8.1.src/projects/compiler-rt/lib/builtins/addvsi3.c

[ken-cunningham-webuse]

hmm. I can't build it either, but due to a similar but not identical error. I'm on 10.6.8 with libcxx.

:info:build [ 12%] Building C object projects/compiler-rt/lib/builtins/CMakeFiles/clang_rt.cc_kext_x86_64_osx.dir/absvti2.c.o
:info:build cd /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_lang_llvm-3.8/clang-3.8/work/build/projects/compiler-rt/lib/builtins && /opt/local/bin/clang-mp-3.7  -DKERNEL_USE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -I/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_lang_llvm-3.8/clang-3.8/work/build/projects/compiler-rt/lib/builtins -I/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_lang_llvm-3.8/clang-3.8/work/llvm-3.8.1.src/projects/compiler-rt/lib/builtins -I/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_lang_llvm-3.8/clang-3.8/work/build/include -I/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_lang_llvm-3.8/clang-3.8/work/llvm-3.8.1.src/include  -DNDEBUG -arch x86_64    -isysroot /Developer/SDKs/MacOSX10.6.sdk -mmacosx-version-min=10.5 -fPIC -O3 -fvisibility=hidden -DVISIBILITY_HIDDEN -Wall -fomit-frame-pointer -arch x86_64 -mkernel -o CMakeFiles/clang_rt.cc_kext_x86_64_osx.dir/absvti2.c.o   -c /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_lang_llvm-3.8/clang-3.8/work/llvm-3.8.1.src/projects/compiler-rt/lib/builtins/absvti2.c
:info:build In file included from /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_lang_llvm-3.8/clang-3.8/work/llvm-3.8.1.src/projects/compiler-rt/lib/builtins/comparetf2.c:41:
:info:build In file included from /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_lang_llvm-3.8/clang-3.8/work/llvm-3.8.1.src/projects/compiler-rt/lib/builtins/fp_lib.h:26:
:info:build In file included from /opt/local/libexec/llvm-3.7/bin/../lib/clang/3.7.1/include/limits.h:37:
:info:build In file included from /Developer/SDKs/MacOSX10.6.sdk/usr/include/limits.h:63:
:info:build /Developer/SDKs/MacOSX10.6.sdk/usr/include/sys/cdefs.h:507:4: error: Unknown architecture
:info:build #  error Unknown architecture
:info:build    ^
:info:build In file included from /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_lang_llvm-3.8/clang-3.8/work/llvm-3.8.1.src/projects/compiler-rt/lib/builtins/comparetf2.c:41:
:info:build In file included from /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_lang_llvm-3.8/clang-3.8/work/llvm-3.8.1.src/projects/compiler-rt/lib/builtins/fp_lib.h:26:
:info:build In file included from /opt/local/libexec/llvm-3.7/bin/../lib/clang/3.7.1/include/limits.h:37:
:info:build In file included from /Developer/SDKs/MacOSX10.6.sdk/usr/include/limits.h:64:
:info:build /Developer/SDKs/MacOSX10.6.sdk/usr/include/machine/limits.h:12:2: error: architecture not supported
:info:build #error architecture not supported
:info:build  ^
:info:build 2 errors generated.

I'll put the full log up as an attachment.

[ken-cunningham-webuse]

clang_3.8.1_6 build failure log on 10.6.8 with libcxx

[kencu (Ken)]

clang-3.8 appears to build properly on 10.6.8 now. Please reopen if this is still an issue for you.