[Boost-bugs] [Boost C++ Libraries] #12570: b2 ignores Iconv and disabled boost-locale lib, even though has_iconv.cpp passed

Subject: [Boost-bugs] [Boost C++ Libraries] #12570: b2 ignores Iconv and disabled boost-locale lib, even though has_iconv.cpp passed
From: Boost C++ Libraries (noreply_at_[hidden])
Date: 2016-10-31 13:59:58

#12570: b2 ignores Iconv and disabled boost-locale lib, even though has_iconv.cpp
passed
----------------------------+------------------------------
 Reporter:  hbadger@…       |       Type:  Bugs
   Status:  new             |  Milestone:  To Be Determined
Component:  Building Boost  |    Version:  Boost 1.62.0
 Severity:  Showstopper     |   Keywords:  icu iconv
----------------------------+------------------------------
 Building boost from sources git tag 1.62.0
 (4f2bdeb93a4be13ba0dc5e9f44920a2bf67191fc)
 I want to crossbuild it, on linux (ubuntu) host, for Mac OS X target.

 Goal:
 crossbuild the lib boost, with boost-locale

 Result: boost says that locale needs either ICU or iconv, and it does not
 build library for locale.

 Expected result: it would build the library for boost locale.

 Error messages:

 ...
     - iconv (libc)             : no
     - iconv (separate)         : no
 ...
 - Boost.Locale needs either iconv or ICU library to be built.
 ...
 ls stage/lib/
 libboost_atomic-mt-s.a   libboost_filesystem-mt-s.a
 libboost_program_options-mt-s.a   libboost_system-mt-s.a
 libboost_thread-mt-s.a
 libboost_atomic-mt-sd.a  libboost_filesystem-mt-sd.a
 libboost_program_options-mt-sd.a  libboost_system-mt-sd.a
 libboost_thread-mt-sd.a

 Environment:

 Crosscompiler and it's toolchain is built in
 /home/ubuntu/build/osxcross/target/bin/ and is proven to work (builds
 Mach-O executables, they work when copied ontop real Mac OS X).

 Mac SDK is available in /home/ubuntu/build/macsdk/MacOSX10.11.sdk/
 And it provides the iconv.h file ('''though I do not see any .a''' or
 other file for it - is that ok?)

 find /home/ubuntu/build/macsdk/MacOSX10.11.sdk/usr/include | grep iconv
 /home/ubuntu/build/macsdk/MacOSX10.11.sdk/usr/include/iconv.h


 Executed command (in place where I downloaded boost, with needed
 submodules)

 export WITH_ICONV="/home/ubuntu/build/macsdk/MacOSX10.11.sdk/usr/" &&  git
 clean -xdf ; git submodule foreach git clean -xdf; ./bootstrap.sh --with-
 icu &&   ./b2 headers  && export OSX_CPU_ARCH="core2" && export
 OSX_VERSION_MIN="10.8" &&  time   ./b2  --toolset=clang     --build-
 type=complete       --with-filesystem --with-system --with-program_options
 --with-thread --with-locale    cxxflags=-mmacosx-version-
 min=${OSX_VERSION_MIN} cxxflags=-march=${OSX_CPU_ARCH} target-os=darwin
 architecture=x86 address-model=64  --layout=tagged  link=static runtime-
 link=static  -sNO_BZIP2=1 --sNO_ZLIB=1
 --prefix=/home/ubuntu/build/boost/build-osx/   threading=multi
 boost.locale.icu=off boost.locale.std=off    boost.locale.iconv=on
 -sICONV_PATH="$WITH_ICONV"

 Running strace debug (strace b2), I can confirm that Boost does try to
 build the has_ionv.cpp program, and it seems to work fine. All invocations
 I seen return with 0 exit code.

 E.g:

 [pid 22980] execve("/home/ubuntu/build/osxcross/target/bin/x86_64-apple-
 darwin15-clang++", ["/home/ubuntu/build/osxcross/target/bin/x86_64-apple-
 darwin15-clang++", "-c", "-x", "c++", "-march=core2", "-mmacosx-version-
 min=10.8", "-O0", "-g", "-fno-inline", "-Wall", "-g", "-fPIC", "-m64",
 "-march=core2", "-mmacosx-version-min=10.8", "-DBOOST_ALL_NO_LIB=1",
 "-I.", "-I/home/ubuntu/build/macsdk/MacOSX10.11.sdk/usr/include", "-o",
 "bin.v2/libs/locale/build/clang-linux-3.8.0/debug/target-os-
 darwin/has_iconv_libc_ext.o", "libs/locale/src/../build/has_iconv.cpp"],
 [/* 22 vars */]) = 0

 Repeating this test manually also works, creates the .o file, and it is
 indeed in Mach-O format.

 No idea why then it still tells me that iconv was not enabled, and as
 result does not build locale.


 This bug disallows me from at all using Boost until fixed.

-- 
Ticket URL: <https://svn.boost.org/trac/boost/ticket/12570>
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